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en/application-dev/reference/apis/js-apis-commonEvent.md
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# CommonEvent # CommonEvent
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** The **CommonEvent** module provides common event capabilities, including the capabilities to publish, subscribe to, and unsubscribe from common events, as well obtaining and setting the common event result code and result data.
> **NOTE**
>
> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Common Event List
| Common Event Macro | Common Event Name | Subscriber Permissions | | Common Event Macro | Common Event Name | Subscriber Permission |
| ------------ | ------------------ | ---------------------- | | ------------ | ------------------ | ---------------------- |
| COMMON_EVENT_BOOT_COMPLETED | usual.event.BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED | | COMMON_EVENT_BOOT_COMPLETED | usual.event.BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED |
| COMMON_EVENT_LOCKED_BOOT_COMPLETED | usual.event.LOCKED_BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED | | COMMON_EVENT_LOCKED_BOOT_COMPLETED | usual.event.LOCKED_BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED |
...@@ -140,23 +143,29 @@ ...@@ -140,23 +143,29 @@
| COMMON_EVENT_USB_DEVICE_DETACHED | usual.event.hardware.usb.action.USB_DEVICE_DETACHED | - | | COMMON_EVENT_USB_DEVICE_DETACHED | usual.event.hardware.usb.action.USB_DEVICE_DETACHED | - |
| COMMON_EVENT_USB_ACCESSORY_ATTACHED | usual.event.hardware.usb.action.USB_ACCESSORY_ATTACHED | - | | COMMON_EVENT_USB_ACCESSORY_ATTACHED | usual.event.hardware.usb.action.USB_ACCESSORY_ATTACHED | - |
| COMMON_EVENT_USB_ACCESSORY_DETACHED | usual.event.hardware.usb.action.USB_ACCESSORY_DETACHED | - | | COMMON_EVENT_USB_ACCESSORY_DETACHED | usual.event.hardware.usb.action.USB_ACCESSORY_DETACHED | - |
| COMMON_EVENT_DISK_REMOVED | usual.event.data.DISK_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_REMOVED | usual.event.data.DISK_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_DISK_UNMOUNTED | usual.event.data.DISK_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_UNMOUNTED | usual.event.data.DISK_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_DISK_MOUNTED | usual.event.data.DISK_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_MOUNTED | usual.event.data.DISK_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_DISK_BAD_REMOVAL | usual.event.data.DISK_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_BAD_REMOVAL | usual.event.data.DISK_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_DISK_UNMOUNTABLE | usual.event.data.DISK_UNMOUNTABLE | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_UNMOUNTABLE | usual.event.data.DISK_UNMOUNTABLE | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_DISK_EJECT | usual.event.data.DISK_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_DISK_EJECT | usual.event.data.DISK_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_REMOVED | usual.event.data.VOLUME_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_VOLUME_REMOVED | usual.event.data.VOLUME_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_UNMOUNTED | usual.event.data.VOLUME_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_VOLUME_REMOVED<sup>9+<sup> | usual.event.data.VOLUME_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_MOUNTED | usual.event.data.VOLUME_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_VOLUME_UNMOUNTED<sup>9+<sup> | usual.event.data.VOLUME_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_BAD_REMOVAL | usual.event.data.VOLUME_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_VOLUME_MOUNTED<sup>9+<sup> | usual.event.data.VOLUME_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_EJECT | usual.event.data.VOLUME_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE| | COMMON_EVENT_VOLUME_BAD_REMOVAL<sup>9+<sup> | usual.event.data.VOLUME_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_EJECT<sup>9+<sup> | usual.event.data.VOLUME_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_UNMOUNTED | usual.event.data.VOLUME_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_MOUNTED | usual.event.data.VOLUME_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_BAD_REMOVAL | usual.event.data.VOLUME_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VOLUME_EJECT | usual.event.data.VOLUME_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE |
| COMMON_EVENT_VISIBLE_ACCOUNTS_UPDATED | usual.event.data.VISIBLE_ACCOUNTS_UPDATED | ohos.permission.GET_APP_ACCOUNTS | | COMMON_EVENT_VISIBLE_ACCOUNTS_UPDATED | usual.event.data.VISIBLE_ACCOUNTS_UPDATED | ohos.permission.GET_APP_ACCOUNTS |
| COMMON_EVENT_ACCOUNT_DELETED | usual.event.data.ACCOUNT_DELETED | ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS | | COMMON_EVENT_ACCOUNT_DELETED | usual.event.data.ACCOUNT_DELETED | ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS |
| COMMON_EVENT_FOUNDATION_READY | usual.event.data.FOUNDATION_READY | ohos.permission.RECEIVER_STARTUP_COMPLETED | | COMMON_EVENT_FOUNDATION_READY | usual.event.data.FOUNDATION_READY | ohos.permission.RECEIVER_STARTUP_COMPLETED |
| COMMON_EVENT_AIRPLANE_MODE_CHANGED | usual.event.AIRPLANE_MODE | - | | COMMON_EVENT_AIRPLANE_MODE_CHANGED | usual.event.AIRPLANE_MODE | - |
| COMMON_EVENT_SPLIT_SCREEN | usual.event.SPLIT_SCREEN | ohos.permission.RECEIVER_SPLIT_SCREEN | | COMMON_EVENT_SPLIT_SCREEN | usual.event.SPLIT_SCREEN | ohos.permission.RECEIVER_SPLIT_SCREEN |
## Modules to Import ## Modules to Import
```js ```js
...@@ -167,16 +176,16 @@ import CommonEvent from '@ohos.commonEvent'; ...@@ -167,16 +176,16 @@ import CommonEvent from '@ohos.commonEvent';
publish(event: string, callback: AsyncCallback\<void>): void publish(event: string, callback: AsyncCallback\<void>): void
Publishes a common event. This API uses a callback to return the result. Publishes a common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------- | -------------------- | ---- | ---------------------- | | -------- | -------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish.| | event | string | Yes | Name of the common event to publish.|
| callback | Read only | AsyncCallback\<void> | Yes | Callback used to return the result.| | callback | AsyncCallback\<void> | Yes | Callback used to return the result.|
**Example** **Example**
...@@ -200,17 +209,17 @@ CommonEvent.publish("event", PublishCallBack); ...@@ -200,17 +209,17 @@ CommonEvent.publish("event", PublishCallBack);
publish(event: string, options: CommonEventPublishData, callback: AsyncCallback\<void>): void publish(event: string, options: CommonEventPublishData, callback: AsyncCallback\<void>): void
Publishes a common event with given attributes. This API uses a callback to return the result. Publishes a common event with given attributes. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------- | ---------------------- | ---- | ---------------------- | | -------- | ---------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish. | | event | string | Yes | Name of the common event to publish. |
| options | Read only | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.| | options | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.|
| callback | Read only | AsyncCallback\<void> | Yes | Callback used to return the result. | | callback | AsyncCallback\<void> | Yes | Callback used to return the result. |
**Example** **Example**
...@@ -218,8 +227,8 @@ Publishes a common event with given attributes. This API uses a callback to retu ...@@ -218,8 +227,8 @@ Publishes a common event with given attributes. This API uses a callback to retu
```js ```js
// Attributes of a common event. // Attributes of a common event.
var options = { var options = {
code: 0, // Result code of the common event code: 0, // Result code of the common event.
data: "initial data";// Result data of the common event data: "initial data";// Result data of the common event.
isOrdered: true // The common event is an ordered one. isOrdered: true // The common event is an ordered one.
} }
...@@ -242,17 +251,19 @@ CommonEvent.publish("event", options, PublishCallBack); ...@@ -242,17 +251,19 @@ CommonEvent.publish("event", options, PublishCallBack);
publishAsUser(event: string, userId: number, callback: AsyncCallback\<void>): void publishAsUser(event: string, userId: number, callback: AsyncCallback\<void>): void
Publishes a common event to a specific user. This API uses a callback to return the result. Publishes a common event to a specific user. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**System API**: This is a system API and cannot be called by third-party applications.
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------- | -------------------- | ---- | ---------------------------------- | | -------- | -------------------- | ---- | ---------------------------------- |
| event | Read only | string | Yes | Name of the common event to publish. | | event | string | Yes | Name of the common event to publish. |
| userId | Read only | number | Yes | User ID.| | userId | number | Yes | User ID.|
| callback | Read only | AsyncCallback\<void> | Yes | Callback used to return the result. | | callback | AsyncCallback\<void> | Yes | Callback used to return the result. |
**Example** **Example**
...@@ -279,18 +290,20 @@ CommonEvent.publishAsUser("event", userId, PublishAsUserCallBack); ...@@ -279,18 +290,20 @@ CommonEvent.publishAsUser("event", userId, PublishAsUserCallBack);
publishAsUser(event: string, userId: number, options: CommonEventPublishData, callback: AsyncCallback\<void>): void publishAsUser(event: string, userId: number, options: CommonEventPublishData, callback: AsyncCallback\<void>): void
Publishes a common event with given attributes to a specific user. This API uses a callback to return the result. Publishes a common event with given attributes to a specific user. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**System API**: This is a system API and cannot be called by third-party applications.
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------- | ---------------------- | ---- | ---------------------- | | -------- | ---------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish. | | event | string | Yes | Name of the common event to publish. |
| userId | Read only| number | Yes| User ID.| | userId | number | Yes| User ID.|
| options | Read only | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.| | options | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.|
| callback | Read only | AsyncCallback\<void> | Yes | Callback used to return the result. | | callback | AsyncCallback\<void> | Yes | Callback used to return the result. |
**Example** **Example**
...@@ -298,8 +311,8 @@ Publishes a common event with given attributes to a specific user. This API uses ...@@ -298,8 +311,8 @@ Publishes a common event with given attributes to a specific user. This API uses
```js ```js
// Attributes of a common event. // Attributes of a common event.
var options = { var options = {
code: 0, // Result code of the common event code: 0, // Result code of the common event.
data: "initial data";// Result data of the common event data: "initial data",// Result data of the common event
} }
// Callback for common event publication // Callback for common event publication
...@@ -324,16 +337,16 @@ CommonEvent.publishAsUser("event", userId, options, PublishAsUserCallBack); ...@@ -324,16 +337,16 @@ CommonEvent.publishAsUser("event", userId, options, PublishAsUserCallBack);
createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallback\<CommonEventSubscriber>): void createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallback\<CommonEventSubscriber>): void
Creates a subscriber. This API uses a callback to return the result. Creates a subscriber. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| ------------- | -------- | ------------------------------------------------------------ | ---- | -------------------------- | | ------------- | ------------------------------------------------------------ | ---- | -------------------------- |
| subscribeInfo | Read only | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information. | | subscribeInfo | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information. |
| callback | Read only | AsyncCallback\<[CommonEventSubscriber](#commoneventsubscriber)> | Yes | Callback used to return the result.| | callback | AsyncCallback\<[CommonEventSubscriber](#commoneventsubscriber)> | Yes | Callback used to return the result.|
**Example** **Example**
...@@ -372,9 +385,9 @@ Creates a subscriber. This API uses a promise to return the result. ...@@ -372,9 +385,9 @@ Creates a subscriber. This API uses a promise to return the result.
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| ------------- | -------- | ----------------------------------------------------- | ---- | -------------- | | ------------- | ----------------------------------------------------- | ---- | -------------- |
| subscribeInfo | Read only | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information.| | subscribeInfo | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information.|
**Return value** **Return value**
| Type | Description | | Type | Description |
...@@ -406,16 +419,16 @@ CommonEvent.createSubscriber(subscribeInfo).then((commonEventSubscriber) => { ...@@ -406,16 +419,16 @@ CommonEvent.createSubscriber(subscribeInfo).then((commonEventSubscriber) => {
subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback\<CommonEventData>): void subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback\<CommonEventData>): void
Subscribes to common events. This API uses a callback to return the result. Subscribes to common events. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| ---------- | -------- | --------------------------------------------------- | ---- | -------------------------------- | | ---------- | ---------------------------------------------------- | ---- | -------------------------------- |
| subscriber | Read only | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. | | subscriber | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. |
| callback | Read only | AsyncCallback\<[CommonEventData](#commoneventdata)> | Yes | Callback used to return the result.| | callback | AsyncCallback\<[CommonEventData](#commoneventdata)> | Yes | Callback used to return the result.|
**Example** **Example**
...@@ -458,16 +471,16 @@ CommonEvent.createSubscriber(subscribeInfo, CreateSubscriberCallBack); ...@@ -458,16 +471,16 @@ CommonEvent.createSubscriber(subscribeInfo, CreateSubscriberCallBack);
unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback\<void>): void unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback\<void>): void
Unsubscribes from common events. This API uses a callback to return the result. Unsubscribes from common events. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
**Parameters** **Parameters**
| Name | Readable/Writable| Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| ---------- | -------- | ----------------------------------------------- | ---- | ------------------------ | | ---------- | ----------------------------------------------- | ---- | ------------------------ |
| subscriber | Read only | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. | | subscriber | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. |
| callback | Read only | AsyncCallback\<void> | No | Callback used to return the result.| | callback | AsyncCallback\<void> | No | Callback used to return the result.|
**Example** **Example**
...@@ -522,7 +535,7 @@ CommonEvent.unsubscribe(subscriber, UnsubscribeCallBack); ...@@ -522,7 +535,7 @@ CommonEvent.unsubscribe(subscriber, UnsubscribeCallBack);
getCode(callback: AsyncCallback\<number>): void getCode(callback: AsyncCallback\<number>): void
Obtains the result code of this common event. This API uses a callback to return the result. Obtains the result code of this common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -560,7 +573,7 @@ Obtains the result code of this common event. This API uses a promise to return ...@@ -560,7 +573,7 @@ Obtains the result code of this common event. This API uses a promise to return
| Type | Description | | Type | Description |
| ---------------- | -------------------- | | ---------------- | -------------------- |
| Promise\<number> | Promise used to return the result code.| | Promise\<number> | Promise used to return the result.|
**Example** **Example**
...@@ -578,7 +591,7 @@ subscriber.getCode().then((Code) => { ...@@ -578,7 +591,7 @@ subscriber.getCode().then((Code) => {
setCode(code: number, callback: AsyncCallback\<void>): void setCode(code: number, callback: AsyncCallback\<void>): void
Sets the result code for this common event. This API uses a callback to return the result. Sets the result code for this common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -623,7 +636,7 @@ Sets the result code for this common event. This API uses a promise to return th ...@@ -623,7 +636,7 @@ Sets the result code for this common event. This API uses a promise to return th
| Type | Description | | Type | Description |
| ---------------- | -------------------- | | ---------------- | -------------------- |
| Promise\<void> | Promise used to return the result code.| | Promise\<void> | Promise used to return the result.|
**Example** **Example**
...@@ -641,7 +654,7 @@ subscriber.setCode(1).then(() => { ...@@ -641,7 +654,7 @@ subscriber.setCode(1).then(() => {
getData(callback: AsyncCallback\<string>): void getData(callback: AsyncCallback\<string>): void
Obtains the result data of this common event. This API uses a callback to return the result. Obtains the result data of this common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -697,7 +710,7 @@ subscriber.getData().then((Data) => { ...@@ -697,7 +710,7 @@ subscriber.getData().then((Data) => {
setData(data: string, callback: AsyncCallback\<void>): void setData(data: string, callback: AsyncCallback\<void>): void
Sets the result data for this common event. This API uses a callback to return the result. Sets the result data for this common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -742,7 +755,7 @@ Sets the result data for this common event. This API uses a promise to return th ...@@ -742,7 +755,7 @@ Sets the result data for this common event. This API uses a promise to return th
| Type | Description | | Type | Description |
| ---------------- | -------------------- | | ---------------- | -------------------- |
| Promise\<void> | Promise used to return the result data.| | Promise\<void> | Promise used to return the result.|
**Example** **Example**
...@@ -760,7 +773,7 @@ subscriber.setData("publish_data_changed").then(() => { ...@@ -760,7 +773,7 @@ subscriber.setData("publish_data_changed").then(() => {
setCodeAndData(code: number, data: string, callback:AsyncCallback\<void>): void setCodeAndData(code: number, data: string, callback:AsyncCallback\<void>): void
Sets the result code and result data for this common event. This API uses a callback to return the result. Sets the result code and result data for this common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -825,7 +838,7 @@ subscriber.setCodeAndData(1, "publish_data_changed").then(() => { ...@@ -825,7 +838,7 @@ subscriber.setCodeAndData(1, "publish_data_changed").then(() => {
isOrderedCommonEvent(callback: AsyncCallback\<boolean>): void isOrderedCommonEvent(callback: AsyncCallback\<boolean>): void
Checks whether this common event is an ordered one. This API uses a callback to return the result. Checks whether this common event is an ordered one. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -881,7 +894,7 @@ subscriber.isOrderedCommonEvent().then((isOrdered) => { ...@@ -881,7 +894,7 @@ subscriber.isOrderedCommonEvent().then((isOrdered) => {
isStickyCommonEvent(callback: AsyncCallback\<boolean>): void isStickyCommonEvent(callback: AsyncCallback\<boolean>): void
Checks whether this common event is a sticky one. This API uses a callback to return the result. Checks whether this common event is a sticky one. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -937,7 +950,7 @@ subscriber.isStickyCommonEvent().then((isSticky) => { ...@@ -937,7 +950,7 @@ subscriber.isStickyCommonEvent().then((isSticky) => {
abortCommonEvent(callback: AsyncCallback\<void>): void abortCommonEvent(callback: AsyncCallback\<void>): void
Aborts this common event. After the abort, the common event is not sent to the next subscriber. This API takes effect only for ordered common events. It uses a callback to return the result. Aborts this common event. After the abort, the common event is not sent to the next subscriber. This API takes effect only for ordered common events. It uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -993,7 +1006,7 @@ subscriber.abortCommonEvent().then(() => { ...@@ -993,7 +1006,7 @@ subscriber.abortCommonEvent().then(() => {
clearAbortCommonEvent(callback: AsyncCallback\<void>): void clearAbortCommonEvent(callback: AsyncCallback\<void>): void
Clears the aborted state of this common event. This API takes effect only for ordered common events. It uses a callback to return the result. Clears the aborted state of this common event. This API takes effect only for ordered common events. It uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -1049,7 +1062,7 @@ subscriber.clearAbortCommonEvent().then(() => { ...@@ -1049,7 +1062,7 @@ subscriber.clearAbortCommonEvent().then(() => {
getAbortCommonEvent(callback: AsyncCallback\<boolean>): void getAbortCommonEvent(callback: AsyncCallback\<boolean>): void
Checks whether this common event is in the aborted state. This API takes effect only for ordered common events. It uses a callback to return the result. Checks whether this common event is in the aborted state. This API takes effect only for ordered common events. It uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -1105,7 +1118,7 @@ subscriber.getAbortCommonEvent().then((AbortCommonEvent) => { ...@@ -1105,7 +1118,7 @@ subscriber.getAbortCommonEvent().then((AbortCommonEvent) => {
getSubscribeInfo(callback: AsyncCallback\<CommonEventSubscribeInfo>): void getSubscribeInfo(callback: AsyncCallback\<CommonEventSubscribeInfo>): void
Obtains the subscriber information. This API uses a callback to return the result. Obtains the subscriber information. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
...@@ -1157,6 +1170,58 @@ subscriber.getSubscribeInfo().then((SubscribeInfo) => { ...@@ -1157,6 +1170,58 @@ subscriber.getSubscribeInfo().then((SubscribeInfo) => {
}); });
``` ```
### finishCommonEvent<sup>9+</sup>
finishCommonEvent(callback: AsyncCallback\<void\>): void
Finishes this ordered common event. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | -------------------------------- |
| callback | AsyncCallback\<void> | Yes | Callback returned after the ordered common event is finished.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
function finishCommonEventCallback() {
console.log('finishCommonEvent');
}
subscriber.finishCommonEvent(finishCommonEventCallback);
```
### finishCommonEvent<sup>9+</sup>
finishCommonEvent(): Promise\<void\>
Finishes this ordered common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\<void> | Promise used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.finishCommonEvent().then(() => {
console.log('finishCommonEvent');
}).catch(() => {
console.log('finishCommonEvent failed');
})
```
## CommonEventData ## CommonEventData
**System capability**: SystemCapability.Notification.CommonEvent **System capability**: SystemCapability.Notification.CommonEvent
......
en/application-dev/reference/arkui-ts/ts-animatorproperty.md
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# AnimatorProperty # Property Animator
You can create a property animator to animate the universal attributes of a component.
> **NOTE**<br> > **NOTE**
> This animation is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
When the universal attributes of a component change, you can create an **AnimatorProperty** for gradient to improve user experience.
| Name | Type | Default Value | Description |
| Name | Type | Default Value | Description | | ---------- | ---------------------------------------- | --------------- | ----------------------- |
| -------- | -------- | -------- | -------- | | duration | number | 1000 | Animation duration, in ms. The default duration is 1000 ms. |
| duration | number | 1000 | Animation duration, in ms. The default duration is 1000 ms. | | curve | [Curve](ts-appendix-enums.md#curve) | Curve.Linear | Animation curve. The default curve is linear. |
| curve | Curve | Curve.Linear | Animation curve. The default curve is linear. | | delay | number | 0 | Delay of animation playback, in ms. By default, the playback is not delayed. |
| delay | number | 0 | Delay of animation playback, in ms. By default, the playback is not delayed. | | iterations | number | 1 | Number of times that the animation is played. By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times. |
| iterations | number | 1 | Number of times that the animation is played. By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times. | | playMode | [PlayMode](ts-appendix-enums.md#playmode) | PlayMode.Normal | Animation playback mode. By default, the animation is played from the beginning after the playback is complete.|
| playMode | [PlayMode](ts-appendix-enums.md#playmode-enums) | PlayMode.Normal | Playback mode. By default, the animation is played from the beginning after the playback is complete. |
- Curve enums
| Name | Description |
| -------- | -------- |
| Linear | The animation speed keeps unchanged. |
| Ease | The animation starts at a low speed and then accelerates. It slows down before the animation ends. The cubic-bezier curve (0.25, 0.1, 0.25, 1.0) is used. |
| EaseIn | The animation starts at a low speed. The cubic-bezier curve (0.42, 0.0, 1.0, 1.0) is used. |
| EaseOut | The animation ends at a low speed. The cubic-bezier curve (0.0, 0.0, 0.58, 1.0) is used. |
| EaseInOut | The animation starts and ends at a low speed. The cubic-bezier curve (0.42, 0.0, 0.58, 1.0) is used. |
| FastOutSlowIn | The animation uses the standard cubic-bezier curve (0.4, 0.0, 0.2, 1.0). |
| LinearOutSlowIn | The animation uses the deceleration cubic-bezier curve (0.0, 0.0, 0.2, 1.0). |
| FastOutLinearIn | The animation uses the acceleration cubic-bezier curve (0.4, 0.0, 1.0, 1.0). |
| ExtremeDeceleration | The animation uses the extreme deceleration cubic-bezier curve (0.0, 0.0, 0.0, 1.0). |
| Sharp | The animation uses the sharp cubic-bezier curve (0.33, 0.0, 0.67, 1.0). |
| Rhythm | The animation uses the rhythm cubic-bezier curve (0.7, 0.0, 0.2, 1.0). |
| Smooth | The animation uses the smooth cubic-bezier curve (0.4, 0.0, 0.4, 1.0). |
| Friction | Damping curve. The cubic-bezier curve (0.2, 0.0, 0.2, 1.0) is used. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct AttrAnimationExample { struct AttrAnimationExample {
...@@ -65,8 +47,8 @@ struct AttrAnimationExample { ...@@ -65,8 +47,8 @@ struct AttrAnimationExample {
curve: Curve.EaseOut, // Animation curve curve: Curve.EaseOut, // Animation curve
delay: 500, // Animation delay delay: 500, // Animation delay
iterations: 1, // Number of playback times iterations: 1, // Number of playback times
playMode: PlayMode.Normal // Animation mode playMode: PlayMode.Normal // Animation playback mode
}) // Animation configuration for the width and height attributes of the Button component }) // Animation configuration for the width and height attributes of the <Button> component
}.width('100%').margin({ top: 5 }) }.width('100%').margin({ top: 5 })
} }
} }
......
en/application-dev/reference/arkui-ts/ts-appendix-enums.md
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# Built-in Enums # Built-in Enums
## Color
## Alignment Enums | Color | Value | Illustration |
| ------------------------ | -------- | ------------------------------------------------------------ |
| Black | 0x000000 | ![en-us_image_0000001219864153](figures/en-us_image_0000001219864153.png) |
| Blue | 0x0000ff | ![en-us_image_0000001174104404](figures/en-us_image_0000001174104404.png) |
| Brown | 0xa52a2a | ![en-us_image_0000001219744201](figures/en-us_image_0000001219744201.png) |
| Gray | 0x808080 | ![en-us_image_0000001174264376](figures/en-us_image_0000001174264376.png) |
| Green | 0x008000 | ![en-us_image_0000001174422914](figures/en-us_image_0000001174422914.png) |
| Orange | 0xffa500 | ![en-us_image_0000001219662661](figures/en-us_image_0000001219662661.png) |
| Pink | 0xffc0cb | ![en-us_image_0000001219662663](figures/en-us_image_0000001219662663.png) |
| Red | 0xff0000 | ![en-us_image_0000001219662665](figures/en-us_image_0000001219662665.png) |
| White | 0xffffff | ![en-us_image_0000001174582866](figures/en-us_image_0000001174582866.png) |
| Yellow | 0xffff00 | ![en-us_image_0000001174582864](figures/en-us_image_0000001174582864.png) |
| Grey | 0x808080 | ![en-us_image_0000001174264376](figures/en-us_image_0000001174264376.png) |
| Name | Description | ## ImageFit
| -------- | -------- |
| TopStart | Top start. |
| Top | Horizontally centered on the top. |
| TopEnd | Top end. |
| Start | Vertically centered start. |
| Center | Horizontally and vertically centered. |
| End | Vertically centered end. |
| BottomStart | Bottom start. |
| Bottom | Horizontally centered on the bottom. |
| BottomEnd | Bottom end. |
| Name | Description |
| --------- | ------------------------------------------------------------ |
| Contain | The image is scaled with its aspect ratio retained for the content to be completely displayed within the display boundaries. |
| Cover | The image is scaled with its aspect ratio retained for both sides to be greater than or equal to the display boundaries.|
| Auto | The image is scaled automatically to fit the display area. |
| Fill | The image is scaled to fill the display area, and its aspect ratio is not retained. |
| ScaleDown | The image is displayed with its aspect ratio retained, in a size smaller than or equal to the original size. |
| None | The original size is retained. |
## Axis Enums ## BorderStyle
| Name | Description | | Name | Description |
| -------- | -------- | | ------ | ----------------------------------------------- |
| Vertical | Vertical direction. | | Dotted | Dotted border. The radius of a dot is half of **borderWidth**.|
| Horizontal | Horizontal direction. | | Dashed | Dashed border. |
| Solid | Solid border. |
## LineJoinStyle
## ItemAlign Enums | Name | Description |
| ----- | -------------------- |
| Bevel | Bevel is used to connect paths.|
| Miter | Miter is used to connect paths.|
| Round | Round is used to connect paths.|
| Name | Description | ## TouchType
| -------- | -------- |
| Auto | The default configuration in the Flex container is used. |
| Start | The elements are in the Flex container, top-aligned in the cross-axis direction |
| Center | The elements are in the Flex container, centered in the cross-axis direction. |
| End | The elements are in the Flex container, bottom-aligned in the cross-axis direction. |
| Stretch | The elements are in the Flex container, stretched and padded in the cross-axis direction. If the size is not set, the elements are stretched to the container size. |
| Baseline | The elements are in the Flex container, text baseline aligned in the cross-axis direction. |
| Name | Description |
| ------ | ------------------------------ |
| Down | A finger is pressed. |
| Up | A finger is lifted. |
| Move | A finger moves on the screen in pressed state.|
| Cancel | A touch event is canceled. |
## LineCapStyle Enums ## MouseButton
| Name | Description | | Name | Description |
| -------- | -------- | | ------- | ---------------- |
| Butt | The ends of dividing lines are square. | | Left | Left button on the mouse. |
| Round | The ends of dividing lines are rounded. | | Right | Right button on the mouse. |
| Square | The ends of dividing lines are square. | | Middle | Middle button on the mouse. |
| Back | Back button on the left of the mouse.|
| Forward | Forward button on the left of the mouse.|
| None | No button. |
## MouseAction
## PlayMode Enums | Name | Description |
| ------- | -------------- |
| Press | The mouse button is pressed.|
| Release | The mouse button is released.|
| Move | The mouse cursor moves. |
| Hover | The mouse pointer is hovered on an element. |
| Name | Description | ## Curve
| -------- | -------- |
| Normal | The animation is played normally. |
| Reverse | The animation is played reversely. |
| Alternate | The animation is played normally for an odd number of times (1, 3, 5...) and reversely for an even number of times (2, 4, 6...). |
| AlternateReverse | The animation is played reversely for an odd number of times (1, 3, 5...) and normally for an even number of times (2, 4, 6...). |
| Name | Description |
| ------------------- | ------------------------------------------------------------ |
| Linear | The animation speed keeps unchanged. |
| Ease | The animation starts slowly, accelerates, and then slows down towards the end. The cubic-bezier curve (0.25, 0.1, 0.25, 1.0) is used.|
| EaseIn | The animation starts at a low speed and then picks up speed until the end. The cubic-bezier curve (0.42, 0.0, 1.0, 1.0) is used. |
| EaseOut | The animation ends at a low speed. The cubic-bezier curve (0.0, 0.0, 0.58, 1.0) is used. |
| EaseInOut | The animation starts and ends at a low speed. The cubic-bezier curve (0.42, 0.0, 0.58, 1.0) is used.|
| FastOutSlowIn | The animation uses the standard cubic-bezier curve (0.4, 0.0, 0.2, 1.0). |
| LinearOutSlowIn | The animation uses the deceleration cubic-bezier curve (0.0, 0.0, 0.2, 1.0). |
| FastOutLinearIn | The animation uses the acceleration cubic-bezier curve (0.4, 0.0, 1.0, 1.0). |
| ExtremeDeceleration | The animation uses the extreme deceleration cubic-bezier curve (0.0, 0.0, 0.0, 1.0). |
| Sharp | The animation uses the sharp cubic-bezier curve (0.33, 0.0, 0.67, 1.0). |
| Rhythm | The animation uses the rhythm cubic-bezier curve (0.7, 0.0, 0.2, 1.0). |
| Smooth | The animation uses the smooth cubic-bezier curve (0.4, 0.0, 0.4, 1.0). |
| Friction | The animation uses the friction cubic-bezier curve (0.2, 0.0, 0.2, 1.0). |
## ImageRepeat Enums ## AnimationStatus
| Name | Description | | Name | Description |
| -------- | -------- | | ------- | ------------------ |
| X | Images are repeatedly drawn only on the horizontal axis. | | Initial | The animation is in the initial state. |
| Y | Images are repeatedly drawn only on the vertical axis. | | Running | The animation is being played.|
| XY | Images are repeatedly drawn on both axes. | | Paused | The animation is paused.|
| NoRepeat | Images are not repeatedly drawn. | | Stopped | The animation is stopped.|
## FillMode
## TextDecorationType Enums | Name | Description |
| -------- | -------------------------------- |
| None | After the playback is complete, the animation restores to the initial state. |
| Forwards | After the playback is complete, the animation remains in the end state.|
| Backwards | The start attribute value is applied during the specified period and before the animation is played. |
| Both | Both the **Forwards** and **Backwards** modes are applied. |
| Name | Description | ## PlayMode
| -------- | -------- |
| Underline | Line under the text. |
| LineThrough | Line through the text. |
| Overline | Line over the text. |
| None | No decorative lines. |
| Name | Description |
| ---------------- | ------------------------------------------------------------ |
| Normal | The animation is played forwards. |
| Reverse | The animation is played backwards. |
| Alternate | The animation is played forwards for an odd number of times (1, 3, 5...) and backwards for an even number of times (2, 4, 6...).|
| AlternateReverse | The animation is played backwards for an odd number of times (1, 3, 5...) and forwards for an even number of times (2, 4, 6...).|
## TextCase Enums ## KeyType
| Name | Description | | Name| Description |
| -------- | -------- | | ---- | ---------- |
| Normal | Normal case. | | Down | The key is pressed.|
| LowerCase | All lowercase. | | Up | The key is released.|
| UpperCase | All uppercase. |
## KeySource
## BarState Enums | Name | Description |
| -------- | -------------------- |
| Unknown | Unknown input device. |
| Keyboard | The input device is a keyboard.|
| Name | Description | ## Edge
| -------- | -------- |
| Off | Hide. |
| On | Display. |
| Auto | Display on demand (displays when the screen is touched and disappears after 2s). |
## LayoutDirection Enums | Name | Description |
| -------- | ---------------------- |
| Top | Top edge in the vertical direction. |
| Center | Center position in the vertical direction. |
| Bottom | Bottom edge in the vertical direction. |
| Baseline | Text baseline position in the cross axis direction.|
| Start | Start position in the horizontal direction. |
| Middle | Center position in the horizontal direction. |
| End | End position in the horizontal direction. |
| Name | Description | ## Week
| ------------- | ------------------------------------------------------------ |
| Row | The child components are arranged in the same direction as the main axis runs along the rows. | | Name | Description |
| Column | The child components are arranged in the same direction as the main axis runs down the columns. | | -------- | ---------------------- |
| RowReverse | The child components are arranged opposite to the **Row** direction. | | Mon | Monday. |
| ColumnReverse | The child components are arranged opposite to the **Column** direction. | | Tue | Tuesday. |
| Wed | Wednesday. |
| Thur | Thursday. |
| Fri | Friday. |
| Sat | Saturday. |
| Sun | Sunday. |
## Direction
| Name| Description |
| ---- | ---------------------- |
| Ltr | Components are arranged from left to right. |
| Rtl | Components are arranged from right to left. |
| Auto | The default layout direction is used.|
## BarState
| Name| Description |
| ---- | -------------------------------- |
| Off | Not displayed. |
| On | Always displayed. |
| Auto | Displayed when the screen is touched and hidden after 2s.|
## EdgeEffect
| Name | Description |
| ------ | ------------------------------------------------------------ |
| Spring | Spring effect. When at one of the edges, the component can move beyond the bounds through touches, and produces a bounce effect when the user releases their finger.|
| Fade | Fade effect. When at one of the edges, the component produces a fade effect. |
| None | No effect when the component is at one of the edges. |
## Alignment
| Name | Description |
| ----------- | ---------------- |
| TopStart | Top start. |
| Top | Horizontally centered on the top. |
| TopEnd | Top end. |
| Start | Vertically centered start.|
| Center | Horizontally and vertically centered.|
| End | Vertically centered end. |
| BottomStart | Bottom start. |
| Bottom | Horizontally centered on the bottom. |
| BottomEnd | Bottom end. |
## TransitionType
| Name | Description |
| ------ | -------------------------------------------------- |
| All | The transition takes effect in all scenarios.|
| Insert | The transition takes effect when a component is inserted. |
| Delete | The transition takes effect when a component is deleted. |
## RelateType
| Name | Description |
| ------ | ------------------------------- |
| FILL | The current child component is scaled to fill the parent component. |
| FIT | The current child component is scaled to adapt to the parent component. |
## Visibility
| Name | Description |
| ------- | -------------------------------- |
| Hidden | The component is hidden, and a placeholder is used for it in the layout. |
| Visible | The component is visible. |
| None | The component is hidden. It is not involved in the layout, and no placeholder is used for it.|
## LineCapStyle
| Name | Description |
| ------ | -------------------- |
| Butt | The ends of dividing lines are butt.|
| Round | The ends of dividing lines are rounded. |
| Square | The ends of dividing lines are butt.|
## Axis
| Name | Description |
| ---------- | ------------ |
| Vertical | Vertical direction.|
| Horizontal | Horizontal direction.|
## HorizontalAlign
| Name | Description |
| ------ | ------------------------ |
| Start | Aligned with the start edge in the same direction as the language in use.|
| Center | Aligned with the center. This is the default alignment mode.|
| End | Aligned with the end edge in the same direction as the language in use. |
## FlexAlign
| Name | Description |
| ------------ | ------------------------------------------------------------ |
| Start | The child components are aligned with the start edge of the main axis. The first component is aligned with the main-start, and subsequent components are aligned with the previous one.|
| Center | The child components are aligned in the center of the main axis. The space between the first component and the main-start is the same as that between the last component and the main-end.|
| End | The child components are aligned with the end edge of the main axis. The last component is aligned with the main-end, and other components are aligned with the next one.|
| SpaceBetween | The child components are evenly distributed along the main axis. The space between any two adjacent components is the same. The first component is aligned with the main-start, the last component is aligned with the main-end, and the remaining components are distributed so that the space between any two adjacent components is the same.|
| SpaceAround | The child components are evenly distributed along the main axis. The space between any two adjacent components is the same. The space between the first component and main-start, and that between the last component and cross-main are both half the size of the space between two adjacent components.|
| SpaceEvenly | The child components are equally distributed along the main axis. The space between the first component and main-start, the space between the last component and main-end, and the space between two adjacent components are the same.|
## ItemAlign
| Name | Description |
| -------- | ------------------------------------------------------------ |
| Auto | The default configuration in the flex container is used. |
| Start | The elements are in the flex container, top-aligned in the cross-axis direction. |
| Center | The elements are in the flex container, centered in the cross-axis direction. |
| End | The elements are in the flex container, bottom-aligned in the cross-axis direction. |
| Stretch | The elements are in the flex container, stretched and padded in the cross-axis direction. If the size is not set, the elements are stretched to the container size.|
| Baseline | The elements are in the flex container, text baseline aligned in the cross-axis direction. |
## FlexDirection
| Name | Description |
| ------------- | ------------------------------ |
| Row | The child components are arranged in the same direction as the main axis runs along the rows.|
| RowReverse | The child components are arranged opposite to the **Row** direction. |
| Column | The child components are arranged in the same direction as the main axis runs down the columns.|
| ColumnReverse | The child components are arranged opposite to the **Column** direction. |
## FlexWrap
| Name | Description |
| ----------- | ------------------------------------------------- |
| NoWrap | The child components in the flex container are arranged in a single line, and they cannot overflow. |
| Wrap | The child components in the flex container are arranged in multiple lines, and they may overflow. |
| WrapReverse | The child components in the flex container are reversely arranged in multiple lines, and they may overflow. |
## VerticalAlign
| Name | Description |
| ------ | ------------------------ |
| Top | Top aligned. |
| Center | Center aligned. This is the default alignment mode.|
| Bottom | Bottom aligned. |
## ImageRepeat
| Name | Description |
| -------- | -------------------------- |
| X | The image is repeatedly drawn only along the horizontal axis.|
| Y | The image is repeatedly drawn only along the vertical axis.|
| XY | The image is repeatedly drawn along both axes. |
| NoRepeat | The image is not repeatedly drawn. |
## ImageSize
| Type | Description |
| ------- | ------------------------------------------------------------ |
| Cover | Default value. The image is scaled with its aspect ratio retained for both sides to be greater than or equal to the display boundaries.|
| Contain | The image is scaled with its aspect ratio retained for the content to be completely displayed within the display boundaries. |
| Auto | The original image aspect ratio is retained. |
## GradientDirection
| Name | Description |
| ----------- | ---------- |
| Left | The gradient direction is from right to left.|
| Top | The gradient direction is from bottom to top.|
| Right | The gradient direction is from left to right.|
| Bottom | The gradient direction is from top to bottom.|
| LeftTop | The gradient direction is upper left. |
| LeftBottom | The gradient direction is lower left. |
| RightTop | The gradient direction is upper right. |
| RightBottom | The gradient direction is lower right. |
| None | No gradient. |
## SharedTransitionEffectType
| Name | Description |
| ----------- | ---------- |
| Static | The element position remains unchanged on the target page, and transition opacity can be configured. Currently, this effect is only valid in redirecting to the target page.|
| Exchange | The element is relocated and scaled properly on the target page.|
## FontStyle
| Name | Description |
| ------ | ---------------- |
| Normal | Standard font style.|
| Italic | Italic font style.|
## FontWeight
| Name | Description |
| ------- | -------------- |
| Lighter | The font weight is lighter. |
| Normal | The font weight is normal.|
| Regular | The font weight is regular.|
| Medium | The font weight is medium.|
| Bold | The font weight is bold. |
| Bolder | The font weight is bolder. |
## TextAlign
| Name | Description |
| ------ | -------------- |
| Start | Aligned with the start.|
| Center | Horizontally centered.|
| End | Aligned with the end.|
## TextOverflow
| Name | Description |
| -------- | -------------------------------------- |
| Clip | Extra-long text is truncated. |
| Ellipsis | An ellipsis (...) is used to represent clipped text.|
| None | No truncation or ellipsis is used for extra-long text. |
## TextDecorationType
| Name | Description |
| ----------- | ------------------ |
| Underline | Line under the text. |
| LineThrough | Line through the text.|
| Overline | Line over the text. |
| None | No decorative lines.|
## TextCase
| Name | Description |
| --------- | -------------------- |
| Normal | The original case of the text is retained.|
| LowerCase | All letters in the text are in lowercase. |
| UpperCase | All letters in the text are in uppercase. |
## ResponseType<sup>8+</sup>
| Name | Description |
| ---------- | -------------------------- |
| LongPress | The menu is displayed when the component is long-pressed. |
| RightClick | The menu is displayed when the component is right-clicked.|
## HoverEffect<sup>8+</sup>
| Name | Description |
| --------- | ---------------------------- |
| Auto | Default hover effect.|
| Scale | Scale effect. |
| Highlight | Background fade-in and fade-out effect. |
| None | No effect. |
## Placement<sup>8+</sup>
| Name | Description |
| ------------- | ------------------------------------------------------------ |
| Left | The popup is on the left of the component, vertically aligned with the component on the left. |
| Right | The popup is on the right of the component, vertically aligned with the component on the right. |
| Top | The popup is at the top of the component, horizontally aligned with the component at the top. |
| Bottom | The popup is at the bottom of the component, horizontally aligned with the component at the bottom. |
| TopLeft | The popup is at the top of the component. |
| TopRight | The popup is at the top of the component. |
| BottomLeft | The popup is at the bottom of the component. |
| BottomRight | The popup is at the bottom of the component. |
en/application-dev/reference/arkui-ts/ts-basic-components-image.md
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...@@ -37,15 +37,14 @@ Obtains an image from the specified source for subsequent rendering and display. ...@@ -37,15 +37,14 @@ Obtains an image from the specified source for subsequent rendering and display.
| Name | Type | Mandatory | Default Value | Description | | Name | Type | Mandatory | Default Value | Description |
| ---- | ---------------------------------------- | ---- | ---- | ---------------------------------------- | | ---- | ---------------------------------------- | ---- | ---- | ---------------------------------------- |
| src | string \| [PixelMap](../apis/js-apis-image.md#pixelmap7) \| [Resource](/ts-types.md#resource-type) | Yes | - | Image source. Both local and online images are supported.<br>When using resources referenced using a relative path, for example, `Image("common/test.jpg")`, the **\<Image>** component cannot be called across bundles or modules. Therefore, you are advised to use `$r` to reference image resources that need to be used globally.<br>- The following image formats are supported: PNG, JPG, BMP, SVG, GIF.<br>\- Base64 strings are supported. \ The value format is `data:image/[png\|jpeg\|bmp\|webp];base64,[base64 data]`, where `[base64 data]` is a Base64 string.<br/>\- The value can also be a path starting with `dataability://`, which is used to access the image path provided by a Data ability.| | src | string \| [PixelMap](../apis/js-apis-image.md#pixelmap7) \| [Resource](ts-types.md#resource) | Yes | - | Image source. Both local and online images are supported.<br>When using resources referenced using a relative path, for example, `Image("common/test.jpg")`, the **\<Image>** component cannot be called across bundles or modules. Therefore, you are advised to use `$r` to reference image resources that need to be used globally.<br>- The following image formats are supported: PNG, JPG, BMP, SVG, GIF.<br>\- Base64 strings are supported. \ The value format is `data:image/[png\|jpeg\|bmp\|webp];base64,[base64 data]`, where `[base64 data]` is a Base64 string.<br/>\- The value can also be a path starting with `dataability://`, which is used to access the image path provided by a Data ability.|
## Attributes ## Attributes
In addition to the [universal attributes](ts-universal-attributes-size.md), the following attributes are supported.
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| --------------------- | ------------------------------------------------------- | ------------------------ | ------------------------------------------------------------ | | --------------------- | ------------------------------------------------------- | ------------------------ | ------------------------------------------------------------ |
| alt | string \| [Resource](ts-types.md#resource-type) | - | Placeholder image displayed during loading. Both local and Internet URIs are supported. | | alt | string \| [Resource](ts-types.md#resource) | - | Placeholder image displayed during loading. Both local and Internet URIs are supported. |
| objectFit | [ImageFit](ts-appendix-enums.md#imagefit) | Cover | Image scale type. | | objectFit | [ImageFit](ts-appendix-enums.md#imagefit) | Cover | Image scale type. |
| objectRepeat | [ImageRepeat](ts-appendix-enums.md#imagerepeat) | NoRepeat | Whether the image is repeated.<br>**NOTE**<br>This attribute is not applicable to SVG images. | | objectRepeat | [ImageRepeat](ts-appendix-enums.md#imagerepeat) | NoRepeat | Whether the image is repeated.<br>**NOTE**<br>This attribute is not applicable to SVG images. |
| interpolation | ImageInterpolation | None | Interpolation effect of the image. This attribute is intended to alleviate aliasing that occurs when a low-definition image is zoomed in.<br>**NOTE**<br>> This attribute is not applicable to SVG images.<br>> This attribute is not applicable to **PixelMap** objects. | | interpolation | ImageInterpolation | None | Interpolation effect of the image. This attribute is intended to alleviate aliasing that occurs when a low-definition image is zoomed in.<br>**NOTE**<br>> This attribute is not applicable to SVG images.<br>> This attribute is not applicable to **PixelMap** objects. |
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# ImageAnimator # ImageAnimator
The **\<ImageAnimator>** component enables images to be played frame by frame. The list of images to be played can be configured, and the duration of each image can be configured.
> **NOTE** > **NOTE**
>
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **\<ImageAnimator>** component enables images to be played frame by frame. The list of images to be played can be configured, and the duration of each image can be configured.
## Required Permissions ## Required Permissions
None None
...@@ -25,47 +25,33 @@ ImageAnimator() ...@@ -25,47 +25,33 @@ ImageAnimator()
## Attributes ## Attributes
| Name | Type | Default Value | Mandatory | Description | | Name| Type| Default Value| Mandatory| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
| images | Array&lt;{<br/>src:string,<br/>width?:Length,<br/>height?:Length,<br/>top?:Length,<br/>left?:Length,<br/>duration?:number<br/>}&gt; | [] | Yes | Image frame information. The information of each frame includes the image path, image size, image position, and image playback duration. The detailed description is as follows:<br/>**src**: image path. The image format can be SVG, PNG, or JPG.<br/>**width**: image width.<br/>**height**: image height.<br/>**top**: vertical coordinate of the image relative to the upper left corner of the component.<br/>**left**: horizontal coordinate of the image relative to the upper left corner of the component.<br/>**duration**: playback duration of the image, in ms. | | images | Array&lt;{<br/>src: string,<br/>width?: number \| string,<br/>height?: number \| string,<br/>top?: number \| string,<br/>left?: number \| string,<br/>duration?: number<br/>}&gt; | [] | Yes| Image frame information. The information of each frame includes the image path, image size, image position, and image playback duration. The detailed description is as follows:<br/>**src**: image path. The image format can be SVG, PNG, or JPG.<br/>**width**: image width.<br/>**height**: image height.<br/>**top**: vertical coordinate of the image relative to the upper left corner of the component.<br/>**left**: horizontal coordinate of the image relative to the upper left corner of the component.<br/>**duration**: playback duration of the image, in ms. |
| state | AnimationStatus | AnimationStatus.Initial | No | Playback status of the animation. The default status is **Initial**. | | state | [AnimationStatus](ts-appendix-enums.md#animationstatus) | Initial | No| Playback status of the animation. The default status is **Initial**.|
| duration | number | 1000 | No | Playback duration, in ms. The default duration is 1000 ms. When the duration is **0**, no image is played. The value change takes effect only at the beginning of the next cycle. When a separate duration is set in images, the setting of this attribute is invalid. | | duration | number | 1000 | No| Playback duration, in ms. The default duration is 1000 ms. When the duration is **0**, no image is played. The value change takes effect only at the beginning of the next cycle. When a separate duration is set in **images**, the setting of this attribute is invalid.|
| reverse | boolean | false | No | Playback sequence. The value **false** indicates that images are played from the first one to the last one, and **true** indicates that images are played from the last one to the first one. | | reverse | boolean | false | No| Playback sequence. The value **false** indicates that images are played from the first one to the last one, and **true** indicates that images are played from the last one to the first one.|
| fixedSize | boolean | true | No | Whether the image size is the same as the component size. **true**: The image size is the same as the component size. In this case, the width, height, top, and left attributes of the image are invalid. **false**: The width, height, top, and left attributes of each image must be set separately. | | fixedSize | boolean | true | No| Whether the image size is the same as the component size.<br> **true**: The image size is the same as the component size. In this case, the width, height, top, and left attributes of the image are invalid.<br> **false**: The width, height, top, and left attributes of each image must be set separately.|
| preDecode | number | 0 | No | Whether to enable pre-decoding. The default value **0** indicates that pre-decoding is disabled. If this attribute is set to **2**, two images following the currently playing frame will be cached in advance to improve performance. | | preDecode | number | 0 | No| Whether to enable pre-decoding. The default value **0** indicates that pre-decoding is disabled. The value **2** indicates that two images following the currently playing frame will be cached in advance to improve performance.|
| fillMode | FillMode | FillMode.Forwards | No | Status before and after the animation starts. For details about the options, see **FillMode**. | | fillMode | [FillMode](ts-appendix-enums.md#fillmode) | Forwards | No| Status before and after the animation starts. For details about the options, see **FillMode**.|
| iterations | number | 1 | No | By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times. | | iterations | number | 1 | No| Number of times that the animation is played. By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times.|
- AnimationStatus enums
| Name | Description |
| -------- | -------- |
| Initial | The animation is in the initial state. |
| Running | The animation is being played. |
| Paused | The animation is paused. |
| Stopped | The animation is stopped. |
- FillMode enums
| Name | Description |
| -------- | -------- |
| None | After the playback is complete, the animation restores to the initial state. |
| Forwards | After the playback is complete, the animation remains in the end state. |
## Events ## Events
| Name | Description | | Name| Description|
| -------- | -------- | | -------- | -------- |
| onStart() =&gt; void | Triggered when the animation starts to play. | | onStart(event: () =&gt; void) | Triggered when the animation starts to play.|
| onPause() =&gt; void | Triggered when the animation playback is paused. | | onPause(event: () =&gt; void) | Triggered when the animation playback is paused.|
| onRepeat() =&gt; void | Triggered when the animation playback is repeated. | | onRepeat(event: () =&gt; void) | Triggered when the animation playback is repeated.|
| onCancel() =&gt; void | Triggered when the animation playback is canceled. | | onCancel(event: () =&gt; void) | Triggered when the animation playback is canceled.|
| onFinish() =&gt; void | Triggered when the animation playback is complete. | | onFinish(event: () =&gt; void) | Triggered when the animation playback is complete.|
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct ImageAnimatorExample { struct ImageAnimatorExample {
...@@ -77,7 +63,7 @@ struct ImageAnimatorExample { ...@@ -77,7 +63,7 @@ struct ImageAnimatorExample {
Column({ space:5 }) { Column({ space:5 }) {
ImageAnimator() ImageAnimator()
.images([ .images([
{ {
// The comment folder is at the same level as the pages folder. // The comment folder is at the same level as the pages folder.
src: '/comment/bg1.jpg', src: '/comment/bg1.jpg',
duration: 500, duration: 500,
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# ScrollBar # ScrollBar
The **\<ScrollBar>** is used together with scrollable components, such as **\<List>**, **\<Grid>**, and **\<Scroll>**.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version. >
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
The **&lt;ScrollBar&gt;** is used together with scrollable components, such as **&lt;List&gt;**, **&lt;Grid&gt;**, and **&lt;Scroll&gt;**.
## Required Permissions ## Required Permissions
...@@ -20,38 +18,34 @@ This component can contain a single child component. ...@@ -20,38 +18,34 @@ This component can contain a single child component.
## APIs ## APIs
ScrollBar(value: ScrollBarOptions) ScrollBar(value: { scroller: Scroller, direction?: ScrollBarDirection, state?: BarState })
- ScrollBarOptions parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description |
| -------- | -------- | -------- | -------- | -------- |
| scroller | [Scroller](ts-container-scroll.md#scroller) | Yes | - | Scroller, which can be bound to and control scrollable components. |
| direction | ScrollBarDirection | No | ScrollBarDirection.Vertical | Scrollbar direction in which scrollable components scroll. |
| state | BarState | No | BarState.Auto | Scrollbar state. |
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** | Name| Type| Mandatory| Default Value| Description|
> The **&lt;ScrollBar&gt;** component defines the behavior style of the scrollable area, and its subnodes define the behavior style of the scrollbar. | -------- | -------- | -------- | -------- | -------- |
> | scroller | [Scroller](ts-container-scroll.md#scroller) | Yes| - | Scroller, which can be bound to scrollable components.|
> This component is bound to a scrollable component through **scroller**, and can be used to scroll the scrollable component only when their directions are the same. The **&lt;ScrollBar&gt;** component can be bound to only one scrollable component, and vice versa. | direction | ScrollBarDirection | No| ScrollBarDirection.Vertical | Scrollbar direction in which scrollable components scroll.|
| state | [BarState](ts-appendix-enums.md#barstate) | No| BarState.Auto | Scrollbar state.|
- ScrollBarDirection enums > **NOTE**
| Name | Description | >
| -------- | -------- | > The **<\ScrollBar>** component defines the behavior style of the scrollable area, and its subnodes define the behavior style of the scrollbar.
| Vertical | Vertical scrollbar. | >
| Horizontal | Horizontal scrollbar. |
- BarState enums > This component is bound to a scrollable component through **scroller**, and can be used to scroll the scrollable component only when their directions are the same. The **\<ScrollBar>** component can be bound to only one scrollable component, and vice versa.
| Name | Description |
| -------- | -------- |
| On | Always display. |
| Off | Hide. |
| Auto | Display on demand (displays when the screen is touched and disappears after 2s of inactivity). |
## ScrollBarDirection
| Name| Description|
| -------- | -------- |
| Vertical | Vertical scrollbar.|
| Horizontal | Horizontal scrollbar.|
## Example
## Example
``` ```ts
// xxx.ets
@Entry @Entry
@Component @Component
struct ScrollBarExample { struct ScrollBarExample {
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...@@ -19,60 +19,33 @@ This component can contain the [\<Span>](ts-basic-components-span.md) child comp ...@@ -19,60 +19,33 @@ This component can contain the [\<Span>](ts-basic-components-span.md) child comp
## APIs ## APIs
Text(content?: ResourceStr) Text(content?: string | Resource)
- Parameters **Parameters**
| Name| Type| Mandatory| Default Value| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| content | [ResourceStr](../../ui/ts-types.md) | No| '' | Text content. This parameter does not take effect when the child component **\<Span>** is contained.| | content | string \| [Resource](ts-types.md#resource) | No| Text content. The content and style set for the **\<Text>** component do not take effect when it contains the **\<Span>** child component.<br>Default value: ' ' |
## Attributes ## Attributes
| Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | Name| Type| Description|
| textAlign | TextAlign | TextAlign.Start | Text alignment mode of multiple lines of text.| | -------- | -------- | -------- |
| textOverflow | {overflow: TextOverflow} | {overflow: TextOverflow.Clip} | Display mode when the text is too long.<br>**NOTE**<br/>Text is truncated at the transition between words. To truncate text in the middle of a word, add **\u200B** between characters.<br>This attribute must be used with `maxLines` to take effect. | | textAlign | [TextAlign](ts-appendix-enums.md#textalign) | Text alignment mode of multiple lines of text.<br/>Default value: **TextAlign.Start** |
| maxLines | number | Infinity | Maximum number of lines in the text.<br>**NOTE**<br/><br>By default, text is automatically folded. If this parameter is specified, the text does not exceed the specified number of lines. If there is extra text, you can use `textOverflow` to specify the truncation mode.| | textOverflow | {overflow: [TextOverflow](ts-appendix-enums.md#textoverflow)} | Display mode when the text is too long.<br/>Default value: **{overflow:&nbsp;TextOverflow.Clip}**<br>**NOTE**<br/>Text is truncated at the transition between words. To truncate text in the middle of a word, add **\u200B** between characters. |
| lineHeight | string \| number \| [Resource](../../ui/ts-types.md) | - | Text line height. If the value is less than or equal to **0**, the line height is not limited and the font size is adaptive. If the value of the number type, the unit fp is used.| | maxLines | number | Maximum number of lines in the text.<br>Default value: **Infinity** |
| decoration | {<br/>type: TextDecorationType,<br/>color? [ResourceColor](../../ui/ts-types.md)<br/>} | {<br/>type: TextDecorationType.None,<br/>color£ºColor.Black<br/>} | Style and color of the text decorative line.| | lineHeight | string \| number \| [Resource](ts-types.md#resource) | Text line height. If the value is less than or equal to **0**, the line height is not limited and the font size is adaptive. If the value of the number type, the unit fp is used. |
| baselineOffset | [Length](../../ui/ts-types.md) | - | Offset of the text baseline.| | decoration | {<br>type: [TextDecorationType](ts-appendix-enums.md#textdecorationtype),<br>color?: [ResourceColor](ts-types.md#resourcecolor8)<br>} | Style and color of the text decorative line.<br/>Default value: **{<br/>type: TextDecorationType.None,<br/>color: Color.Black<br/>}** |
| textCase | TextCase | TextCase.Normal | Text case.| | baselineOffset | number \| string | Offset of the text baseline. |
| letterSpacing | number \| string | Letter spacing. |
TextAlign enums | minFontSize | number \| string \| [Resource](ts-types.md#resource) | Minimum font size. |
| Name| Description| | maxFontSize | number \| string \| [Resource](ts-types.md#resource) | Maximum font size. |
| -------- | -------- | | textCase | [TextCase](ts-appendix-enums.md#textcase) | Text case.<br/>Default value: **TextCase.Normal** |
| Center | The text is center-aligned.|
| Start | The text is aligned with the direction in which the text is written.| > **NOTE**
| End | The text is aligned with the opposite direction in which the text is written.|
## TextOverflow enums
| Name| Description|
| -------- | -------- |
| Clip | Extra text is truncated.|
| Ellipsis | An ellipsis (...) is used to represent clipped text.|
| None | No truncation or ellipsis is used for extra-long text.|
## TextDecorationType enums
| Name| Description|
| -------- | -------- |
| Underline | Line under the text.|
| LineThrough | Line through the text.|
| Overline | Line over the text.|
| None | No decorative lines.|
## TextCase enums
| Name | Description |
| --------- | -------------------- |
| Normal | The original case of the text is retained.|
| LowerCase | All letters in the text are in lowercase. |
| UpperCase | All letters in the text are in uppercase. |
> **NOTE**
> >
> If the **\<Text>** component contains both the text and the **\<Span>** child component, only the content in **\<Span>** is displayed. > The **\<Text>** component cannot contain both the text and the child component **\<Span>**. If both of them exist, only the content in **\<Span>** is displayed.
## Example ## Example
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# TextArea # TextArea
The **\<TextArea>** component provides multi-line text input and responds to certain input events.
> **NOTE** > **NOTE**
> >
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **\<TextArea>** component provides multi-line text input.
## Required Permissions ## Required Permissions
None None
...@@ -21,48 +19,42 @@ Not supported ...@@ -21,48 +19,42 @@ Not supported
## APIs ## APIs
TextArea(value?:{placeholder?: string, controller?: TextAreaController}) TextArea(value?:{placeholder?: ResourceStr, text?: ResourceStr, controller?: TextAreaController})
**Parameters**
- Parameters | Name | Type | Mandatory | Default Value | Description |
| Name | Type | Mandatory | Default Value | Description | | ----------------------- | ---------------------------------------- | ---- | ---- | -------------- |
| ----------------------- | ---------------------------------------- | --------- | ------------- | -------------------------------------- | | placeholder | [ResourceStr](ts-types.md#resourcestr8) | No | - | Text displayed when there is no input. |
| placeholder | string | No | - | Text displayed when there is no input. | | text | [ResourceStr](ts-types.md#resourcestr8) | No | - | Current text input. |
| controller<sup>8+</sup> | [TextAreaController](#textareacontroller8) | No | - | Text area controller. | | controller<sup>8+</sup> | [TextAreaController](#textareacontroller8) | No | - | Text area controller.|
## Attributes ## Attributes
In addition to universal attributes, the following attributes are supported. In addition to universal attributes, the following attributes are supported.
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| ------------------------ | ---------------------------------------- | ------------- | ---------------------------------------- | | ------------------------ | ---------------------------------------- | ----- | ---------------------------------------- |
| placeholderColor | Color | - | Placeholder text color. | | placeholderColor | [ResourceColor](ts-types.md#resourcecolor8) | - | Placeholder text color. |
| placeholderFont | {<br/>size?: number,<br/>weight?:number \| [FontWeight](ts-universal-attributes-text-style.md),<br/>family?: string,<br/>style?: [FontStyle](ts-universal-attributes-text-style.md)<br/>} | - | Placeholder text style.<br/>- **size**: font size. If the value is of the number type, the unit fp is used.<br/>- **weight**: font weight. For the number type, the value ranges from 100 to 900, at an interval of 100. The default value is **400**. A larger value indicates a larger font weight.<br/>- **family**: font family. Use commas (,) to separate multiple fonts, for example, **'Arial, sans-serif'**. The priority of the fonts is the sequence in which they are placed.<br/>- **style**: font style. | | placeholderFont | [Font](ts-types.md#font) | - | Placeholder text style.<br>- **size**: font size. If the value is of the number type, the unit is fp.<br>- **weight**: font weight. For the number type, the value ranges from 100 to 900, at an interval of 100. The default value is **400**. A larger value indicates a larger font weight.<br>- **family**: font family. Use commas (,) to separate multiple fonts, for example, **'Arial, sans-serif'**. The priority of the fonts is the sequence in which they are placed.<br>- **style**: font style.|
| textAlign | TextAlign | Start | Text horizontal alignment mode. | | textAlign | [TextAlign](ts-appendix-enums.md#textalign) | Start | Horizontal alignment of the text.<br/>Default value: **TextAlign.Start** |
| caretColor | Color | - | Color of the caret in the text box. | | caretColor | [ResourceColor](ts-types.md#resourcecolor8) | - | Color of the caret in the text box. |
| inputFilter<sup>8+</sup> | {<br/>value: [ResourceStr](../../ui/ts-types.md)<sup>8+</sup>,<br/>error?: (value:&nbsp;string)<br/>} | - | Regular expression for input filtering. Only inputs that comply with the regular expression can be displayed. Other inputs are ignored. The specified regular expression can match single characters, but not strings. Example: ^(? =.\*\d)(? =.\*[a-z])(? =.\*[A-Z]).{8,10}$. Strong passwords containing 8 to 10 characters cannot be filtered.<br/>- **value**: indicates the regular expression to set.<br/>- **error**: returns the ignored content when regular expression matching fails. | | inputFilter<sup>8+</sup> | {<br/>value:&nbsp;[ResourceStr](ts-types.md#resourcestr8)<sup>8+</sup>,<br/>error?:&nbsp;(value:&nbsp;string)&nbsp;=&gt;&nbsp;void<br/>} | - | Regular expression for input filtering. Only inputs that comply with the regular expression can be displayed. Other inputs are ignored. The specified regular expression can match single characters, but not strings. Example: ^(?=.\*\d)(?=.\*[a-z])(?=.\*[A-Z]).{8,10}$. Strong passwords containing 8 to 10 characters cannot be filtered.<br>- **value**: regular expression to set.<br>- **error**: ignored content to return when regular expression matching fails.|
| copyOption<sup>9+</sup> | boolean\|[CopyOption](ts-basic-components-text.md) | true | Whether copy and paste is allowed. |
- TextAlign enums
| Name | Description |
| ------ | ------------------------------- |
| Start | Aligns the header horizontally. |
| Center | Horizontal center alignment. |
| End | Align the tail horizontally. |
## Events ## Events
| Name | Description | | Name | Description |
| ---------------------------------------- | ---------------------------------------- | | ---------------------------------------- | ---------------------------------------- |
| onChange(callback: (value: string) =&gt; void) | Triggered when the input changes. | | onChange(callback: (value: string) =&gt; void) | Triggered when the input changes. |
| onCopy<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the copy button on the pasteboard, which displays when the text box is long pressed, is clicked.<br/>**value**: text to be copied. | | onCopy<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the copy button on the pasteboard, which displays when the text box is long pressed, is clicked.<br>**value**: text to be copied.|
| onCut<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the cut button on the pasteboard, which displays when the text box is long pressed, is clicked.<br/>**value**: text to be cut. | | onCut<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the cut button on the pasteboard, which displays when the text box is long pressed, is clicked.<br>**value**: text to be cut.|
| onPaste<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the paste button on the pasteboard, which displays when the text box is long pressed, is clicked.<br/>**value**: text to be pasted. | | onPaste<sup>8+</sup>(callback:(value: string) =&gt; void) | Triggered when the paste button on the pasteboard, which displays when the text box is long pressed, is clicked.<br>**value**: text to be pasted.|
## TextAreaController<sup>8+</sup> ## TextAreaController<sup>8+</sup>
Defines the controller for controlling the **&lt;TextArea&gt;** component. Defines the controller for controlling the **\<TextArea>** component.
### Objects to Import ### Objects to Import
...@@ -77,10 +69,11 @@ caretPosition(value: number): void ...@@ -77,10 +69,11 @@ caretPosition(value: number): void
Sets the position of the caret. Sets the position of the caret.
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description |
| ----- | ------ | --------- | ------------- | ------------------------------------------------------------ | | Name | Type | Mandatory | Default Value | Description |
| value | number | Yes | - | Length from the start of the text string to the position where the caret is located. | | ----- | ------ | ---- | ---- | ------------------- |
| value | number | Yes | - | Length from the start of the string to the position where the caret is located.|
## Example ## Example
...@@ -88,7 +81,6 @@ Sets the position of the caret. ...@@ -88,7 +81,6 @@ Sets the position of the caret.
### Multi-line Text Input ### Multi-line Text Input
```ts ```ts
// xxx.ets // xxx.ets
@Entry @Entry
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# Column # Column
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** The **\<Column>** component lays out child components vertically.
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **&lt;Column&gt;** component lays out child components vertically. > **NOTE**
>
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -20,34 +20,27 @@ This component can contain child components. ...@@ -20,34 +20,27 @@ This component can contain child components.
## APIs ## APIs
Column(value:{space?: Length}) Column(value?:{space?: string | number})
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description | | Name| Type| Mandatory| Default Value| Description|
| ----- | ------ | --------- | ------------- | ---------------------------------------- | | -------- | -------- | -------- | -------- | -------- |
| space | Length | No | 0 | Space between any two adjacent child components in the vertical layout. | | space | string\|numbe | No| 0 | Space between two adjacent child components in the vertical layout.|
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| --------------------------- | --------------------------------- | ---------------------- | ---------------------------------------- | | -------- | -------- | -------- | -------- |
| alignItems | HorizontalAlign | HorizontalAlign.Center | Alignment mode of child components in the horizontal direction. | | alignItems | [HorizontalAlign](ts-appendix-enums.md#horizontalalign) | HorizontalAlign.Center | Alignment mode of the child components in the horizontal direction.|
| justifyContent<sup>8+</sup> | [FlexAlign](ts-container-flex.md) | FlexAlign.Start | Alignment mode of child components in the vertical direction. | | justifyContent<sup>8+</sup> | [FlexAlign](ts-container-flex.md) | FlexAlign.Start | Alignment mode of the child components in the vertical direction.|
- HorizontalAlign enums
| Name | Description |
| ------ | ---------------------------------------- |
| Start | Aligned with the start edge in the same direction as the language in use. |
| Center | Center alignment. This is the default alignment mode. |
| End | Aligned with the end edge in the same direction as the language in use. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct ColumnExample { struct ColumnExample {
...@@ -76,6 +69,7 @@ struct ColumnExample { ...@@ -76,6 +69,7 @@ struct ColumnExample {
Column().width('30%').height(30).backgroundColor(0xAFEEEE) Column().width('30%').height(30).backgroundColor(0xAFEEEE)
Column().width('30%').height(30).backgroundColor(0x00FFFF) Column().width('30%').height(30).backgroundColor(0x00FFFF)
}.height('15%').border({ width: 1 }).justifyContent(FlexAlign.Center) }.height('15%').border({ width: 1 }).justifyContent(FlexAlign.Center)
Text('justifyContent(End)').fontSize(9).fontColor(0xCCCCCC).width('90%') Text('justifyContent(End)').fontSize(9).fontColor(0xCCCCCC).width('90%')
Column() { Column() {
Column().width('30%').height(30).backgroundColor(0xAFEEEE) Column().width('30%').height(30).backgroundColor(0xAFEEEE)
...@@ -86,4 +80,4 @@ struct ColumnExample { ...@@ -86,4 +80,4 @@ struct ColumnExample {
} }
``` ```
![](figures/Column.png) ![Column](figures/Column.png)
en/application-dev/reference/arkui-ts/ts-container-flex.md
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...@@ -3,8 +3,8 @@ ...@@ -3,8 +3,8 @@
The **\<Flex>** component allows for elastic layout of child components. The **\<Flex>** component allows for elastic layout of child components.
> **NOTE** > **NOTE**
> - This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> - The **\<Flex>** component adapts the layout of flex items to comply with the **flexShrink** and **flexGrow** settings. This may affect the performance. Therefore, you are advised to use **[Column](ts-container-column.md)** or **[Row](ts-container-row.md)** instead under scenarios where consistently high performance is required. > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -19,50 +19,24 @@ This component can contain child components. ...@@ -19,50 +19,24 @@ This component can contain child components.
## APIs ## APIs
Flex(options?: { direction?: FlexDirection, wrap?: FlexWrap, justifyContent?: FlexAlign, alignItems?: ItemAlign, alignContent?: FlexAlign }) Flex(value?: { direction?: FlexDirection, wrap?: FlexWrap, justifyContent?: FlexAlign, alignItems?: ItemAlign, alignContent?: FlexAlign })
Creates a standard **\<Flex>** component. Creates a standard **\<Flex>** component.
**Parameters** - Parameters
| Name | Type | Mandatory | Default Value | Description |
| Name | Type | Mandatory | Default Value | Description | | -------------- | ---------------------------------------- | ---- | ----------------- | ---------------------------------------- |
| -------------- | ---------------------------------------- | ---- | ----------------- | ---------------------------------------- | | direction | [FlexDirection](ts-appendix-enums.md#flexdirection) | No | FlexDirection.Row | Direction in which child components are arranged in the **\<Flex>** component, that is, the direction of the main axis. |
| direction | FlexDirection | No | FlexDirection.Row | Direction in which child components are arranged in the **\<Flex>** component, that is, the direction of the main axis. | | wrap | [FlexWrap](ts-appendix-enums.md#flexwrap) | No | FlexWrap.NoWrap | Whether the **\<Flex>** component has a single line or multiple lines. |
| wrap | FlexWrap | No | FlexWrap.NoWrap | Whether the **\<Flex>** component has a single line or multiple lines. | | justifyContent | [FlexAlign](ts-appendix-enums.md#flexalign) | No | FlexAlign.Start | Alignment mode of the child components in the **\<Flex>** component along the main axis. |
| justifyContent | FlexAlign | No | FlexAlign.Start | Alignment mode of the child components in the **\<Flex>** component along the main axis. | | alignItems | [ItemAlign](ts-appendix-enums.md#itemalign) | No | ItemAlign.Stretch | Alignment mode of the child components in the **\<Flex>** component along the cross axis. |
| alignItems | [ItemAlign](ts-appendix-enums.md#itemalign-enums)| No | ItemAlign.Stretch | Alignment mode of the child components in the **\<Flex>** component along the cross axis. | | alignContent | [FlexAlign](ts-appendix-enums.md#flexalign) | No | FlexAlign.Start | Alignment mode of the child components in a multi-line **<Flex>** component along the cross axis. This parameter is valid only when **wrap** is set to **Wrap** or **WrapReverse**.|
| alignContent | FlexAlign | No | FlexAlign.Start | Alignment mode of the child components in a multi-line **<Flex>** component along the cross axis. This parameter is valid only when **wrap** is set to **Wrap** or **WrapReverse**.|
## FlexDirection
| Name | Description |
| ------------- | ---------------- |
| Row | The child components are arranged in the same direction as the main axis runs along the rows. |
| RowReverse | The child components are arranged opposite to the **Row** direction. |
| Column | The child components are arranged in the same direction as the main axis runs down the columns. |
| ColumnReverse | The child components are arranged opposite to the **Column** direction.|
## FlexWrap enums
| Name | Description |
| ----------- | ------------------------------------------------- |
| NoWrap | The child components in the **\<Flex>** component are arranged in a single line, and they cannot overflow. |
| Wrap | The child components in the **\<Flex>** component are arranged in multiple lines, and they may overflow. |
| WrapReverse | The child components in the **\<Flex>** component are reversely arranged in multiple lines, and they may overflow.|
## FlexAlign enums
| Name | Description |
| ------------ | ------------------------------------------------------------ |
| Start | The child components are aligned with the start edge of the main axis. The first component is aligned with the main-start, and subsequent components are aligned with the previous one.|
| Center | The child components are aligned in the center of the main axis. The space between the first component and the main-start is the same as that between the last component and the main-end.|
| End | The child components are aligned with the end edge of the main axis. The last component is aligned with the main-end, and other components are aligned with the next one.|
| SpaceBetween | The child components are evenly distributed along the main axis. The space between any two adjacent components is the same. The first component is aligned with the main-start, the last component is aligned with the main-end, and the remaining components are distributed so that the space between any two adjacent components is the same. |
| SpaceAround | The child components are evenly distributed along the main axis. The space between any two adjacent components is the same. The space between the first component and main-start, and that between the last component and cross-main are both half the size of the space between two adjacent components. |
| SpaceEvenly | The child components are equally distributed along the main axis. The space between the first component and main-start, the space between the last component and main-end, and the space between two adjacent components are the same.|
## Example ## Example
``` ```ts
// Example 01 // xxx.ets
@Entry @Entry
@Component @Component
struct FlexExample1 { struct FlexExample1 {
...@@ -124,8 +98,8 @@ struct FlexExample1 { ...@@ -124,8 +98,8 @@ struct FlexExample1 {
![en-us_image_0000001256978365](figures/en-us_image_0000001256978365.gif) ![en-us_image_0000001256978365](figures/en-us_image_0000001256978365.gif)
``` ```ts
// Example 02 // xxx.ets
@Entry @Entry
@Component @Component
struct FlexExample2 { struct FlexExample2 {
...@@ -170,8 +144,8 @@ struct FlexExample2 { ...@@ -170,8 +144,8 @@ struct FlexExample2 {
![en-us_image_0000001211898500](figures/en-us_image_0000001211898500.png) ![en-us_image_0000001211898500](figures/en-us_image_0000001211898500.png)
``` ```ts
// Example 03 // xxx.ets
@Component @Component
struct JustifyContentFlex { struct JustifyContentFlex {
@Prop justifyContent : number @Prop justifyContent : number
...@@ -219,8 +193,8 @@ struct FlexExample3 { ...@@ -219,8 +193,8 @@ struct FlexExample3 {
![en-us_image_0000001212218462](figures/en-us_image_0000001212218462.gif) ![en-us_image_0000001212218462](figures/en-us_image_0000001212218462.gif)
``` ```ts
// Example 04 // xxx.ets
@Component @Component
struct AlignItemsFlex { struct AlignItemsFlex {
@Prop alignItems : number @Prop alignItems : number
...@@ -270,8 +244,8 @@ struct FlexExample4 { ...@@ -270,8 +244,8 @@ struct FlexExample4 {
![en-us_image_0000001212378426](figures/en-us_image_0000001212378426.gif) ![en-us_image_0000001212378426](figures/en-us_image_0000001212378426.gif)
``` ```ts
// Example 05 // xxx.ets
@Component @Component
struct AlignContentFlex { struct AlignContentFlex {
@Prop alignContent: number @Prop alignContent: number
......
en/application-dev/reference/arkui-ts/ts-container-row.md
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# Row # Row
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **<Row\>** component lays out child components horizontally. The **<Row\>** component lays out child components horizontally.
> **NOTE**
>
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -19,32 +20,26 @@ Supported ...@@ -19,32 +20,26 @@ Supported
## APIs ## APIs
Row(value:{space?: Length}) Row(value?:{space?: string&nbsp;|&nbsp;number})
- Parameters **Parameters**
| Name| Type| Mandatory| Default Value| Description| | Name| Type| Mandatory| Default Value| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
| space | Length | No| 0 | Space between two adjacent child components in the horizontal layout.| | space | string&nbsp;\|&nbsp;number | No| 0 | Space between two adjacent child components in the horizontal layout.|
## Attributes ## Attributes
| Name| Type| Default Value| Description| | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| alignItems | VerticalAlign | VerticalAlign.Center | Alignment mode of the child components in the vertical direction.| | alignItems | [VerticalAlign](ts-appendix-enums.md#verticalalign) | VerticalAlign.Center | Alignment mode of the child components in the vertical direction.|
| justifyContent8+ | [FlexAlign](ts-container-flex.md) | FlexAlign.Start | Alignment mode of the child components in the horizontal direction.| | justifyContent<sup>8+</sup> | [FlexAlign](ts-appendix-enums.md#flexalign) | FlexAlign.Start | Alignment mode of the child components in the horizontal direction.|
- VerticalAlign enums
| Name| Description|
| -------- | -------- |
| Top | Top aligned.|
| Center | Center aligned. This is the default alignment mode.|
| Bottom | Bottom aligned.|
## Example ## Example
``` ```ts
// xxx.ets
@Entry @Entry
@Component @Component
struct RowExample { struct RowExample {
...@@ -84,4 +79,4 @@ struct RowExample { ...@@ -84,4 +79,4 @@ struct RowExample {
} }
``` ```
![en_image_0000001174422908](figures/row.png) ![en-us_image_0000001174422908](figures/row.png)
en/application-dev/reference/arkui-ts/ts-container-scroll.md
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# Scroll # Scroll
> **NOTE** The **\<Scroll>** component scrolls the content when the layout size of a component exceeds the viewport of its parent component.
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **\<Scroll>** component scrolls the content when the layout size of a component exceeds the viewport of its parent component. > **NOTE**
> - This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
> - This component can produce a bounce effect only when there is more than one screen of content.
## Required Permissions ## Required Permissions
...@@ -28,24 +29,26 @@ Scroll(scroller?: Scroller) ...@@ -28,24 +29,26 @@ Scroll(scroller?: Scroller)
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| scrollable | ScrollDirection | ScrollDirection.Vertical | Scroll method. | | scrollable | ScrollDirection | ScrollDirection.Vertical | Scroll method. |
| scrollBar | [BarState](ts-appendix-enums.md#barstate-enums) | ScrollDirection.Auto | Scrollbar status. | | scrollBar | [BarState](ts-appendix-enums.md#barstate) | BarState.Off | Scrollbar status. |
| scrollBarColor | Color | - | Color of the scrollbar. | | scrollBarColor | string&nbsp;\|&nbsp;number&nbsp;\|&nbsp;Color | - | Color of the scrollbar. |
| scrollBarWidth | Length | - | Width of the scrollbar. | | scrollBarWidth | string&nbsp;\|&nbsp;number | - | Width of the scrollbar. |
| edgeEffect | [EdgeEffect](ts-appendix-enums.md#edgeeffect) | EdgeEffect.Spring | Scroll effect. For details, see **EdgeEffect**. |
- ScrollDirection ## ScrollDirection
| Name | Description | | Name | Description |
| -------- | -------- | | -------- | -------- |
| Horizontal | Only horizontal scrolling is supported. | | Horizontal | Only horizontal scrolling is supported. |
| Vertical | Only vertical scrolling is supported. | | Vertical | Only vertical scrolling is supported. |
| None | Scrolling is disabled. | | None | Scrolling is disabled. |
| Free | Both horizontal scrolling and vertical scrolling are supported. |
## Events ## Events
| Name | Description | | Name | Description |
| -------- | -------- | | -------- | -------- |
| onScroll(xOffset: number, yOffset: number) =&gt; void | Invoked when scrolling starts. It returns the horizontal and vertical offsets. | | onScroll(event: (xOffset: number, yOffset: number) => void) | Invoked when scrolling starts. It returns the horizontal and vertical offsets. |
| onScrollEdge(side: Edge) =&gt; void | Invoked when scrolling reaches the edge. | | onScrollEdge(event: (side: Edge) => void) | Invoked when scrolling reaches the edge. |
| onScrollEnd() =&gt; void | Invoked when scrolling stops. | | onScrollEnd(event: () => void) | Invoked when scrolling stops. |
## Scroller ## Scroller
...@@ -68,58 +71,46 @@ scrollTo(value: { xOffset: number | string, yOffset: number | string, animation? ...@@ -68,58 +71,46 @@ scrollTo(value: { xOffset: number | string, yOffset: number | string, animation?
Scrolls to the specified position. Scrolls to the specified position.
**Parameters**
- Parameters | Name | Type | Mandatory | Default Value | Description |
| Name | Type | Mandatory | Default Value | Description | | -------- | -------- | -------- | -------- | -------- |
| -------- | -------- | -------- | -------- | -------- | | xOffset | number&nbsp;\|&nbsp;string | Yes | - | Horizontal scrolling offset. |
| xOffset | Length | Yes | - | Horizontal scrolling offset. | | yOffset | number&nbsp;\|&nbsp;string | Yes | - | Vertical scrolling offset. |
| yOffset | Length | Yes | - | Vertical scrolling offset. | | animation | {<br/>duration:&nbsp;number,<br/>curve:&nbsp;[Curve](ts-animatorproperty.md)&nbsp;<br/>} | No | | Animation configuration, which includes the following:<br/>- **duration**: scrolling duration.<br/>- **curve**: scrolling curve. |
| animation | {<br/>duration: number,<br/>curve: Curve \|<br/>CubicBezier \|<br/>SpringCurve<br/>} | No | | Animation configuration, which includes the following:<br/>- **duration**: scrolling duration.<br/>- **curve**: scrolling curve. |
### scrollEdge ### scrollEdge
scrollEdge(value: Edge): void scrollEdge(value: [Edge](ts-appendix-enums.md#edge)): void
Scrolls to the edge of the container. Scrolls to the edge of the container.
- Parameters
| Name | Type | Mandatory | Default Value | Description |
| -------- | -------- | -------- | -------- | -------- |
| value | Edge | Yes | - | Edge position to scroll to. |
### scrollPage ### scrollPage
scrollPage(value: { next: boolean, direction?: Axis }): void scrollPage(value: { next: boolean, direction?: Axis }): void
Scrolls to the next or previous page. Scrolls to the next or previous page.
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description |
| -------- | -------- | -------- | -------- | -------- | | Name | Type | Mandatory | Default Value | Description |
| next | boolean | Yes | - | Whether to turn to the next page. The value **true** means to scroll to the next page, and the value **false** means to scroll to the previous page. | | -------- | -------- | -------- | -------- | -------- |
| next | boolean | Yes | - | Whether to turn to the next page. The value **true** means to scroll to the next page, and the value **false** means to scroll to the previous page. |
| direction | [Axis](ts-appendix-enums.md#axis) | No | - | Scrolling direction: horizontal or vertical. |
### currentOffset ### currentOffset
scroller.currentOffset(): Object currentOffset()
Obtains the scrolling offset. Obtains the scrolling offset.
### scrollToIndex
- Return value scrollToIndex(value: number): void
| Type | Description |
| -------- | -------- |
| {<br/>xOffset: number,<br/>yOffset: number<br/>} | **xOffset**: horizontal scrolling offset.<br/>**yOffset**: vertical scrolling offset. |
### scroller.scrollToIndex
scroller.scrollToIndex(value: number): void
Scrolls to the specified index. Scrolls to the specified index.
...@@ -140,7 +131,8 @@ Scrolls to the specified index. ...@@ -140,7 +131,8 @@ Scrolls to the specified index.
## Example ## Example
``` ```ts
// xxx.ets
@Entry @Entry
@Component @Component
struct ScrollExample { struct ScrollExample {
......
en/application-dev/reference/arkui-ts/ts-drawing-components-shape.md
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# Shape # Shape
The **\<Shape>** component is the parent component of the drawing components. The attributes described in this topic are universal attributes supported by all the drawing components.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **&lt;Shape&gt;** component is the parent component of the drawing components. The attributes described in this topic are universal attributes supported by all the drawing components. 1. Drawing components use **\<Shape>** as their parent to implement the effect similar to SVG.
1. The drawing components use **&lt;Shape&gt;** as the parent component to implement the effect similar to SVG. 2. The **\<Shape>** component is used independently to draw a specific shape.
2. The **&lt;Shape&gt;** component is used independently to draw a specific shape. > **NOTE**
>
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -21,47 +21,43 @@ None ...@@ -21,47 +21,43 @@ None
## Child Components ## Child Components
The **&lt;Shape&gt;** component can contain child components. This component can contain child components.
## APIs ## APIs
Shape(value:{target?: PixelMap}) Shape(value?: PixelMap)
- Parameters - Parameters
| Name | Type | Mandatory | Default Value | Description | | Name| Type| Mandatory| Default Value| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
| target | PixelMap | No | null | Shape to draw. You can draw a shape in the specified **PixelMap** object. If no object is specified, the shape is drawn in the current drawing target. | | value | PixelMap | No| - | Shape to draw. You can draw a shape in the specified **PixelMap** object. If no object is specified, the shape is drawn in the current drawing target.|
## Attributes ## Attributes
| Name | Type | Default Value | Mandatory | Description | In addition to the [universal attributes](ts-universal-attributes-size.md), the following attributes are supported.
| -------- | -------- | -------- | -------- | -------- |
| viewPort | {<br/>x: Length,<br/>y: Length,<br/>width: Length,<br/>height: Length<br/>} | - | Yes | View port of the shape. |
| fill | Color | Black | No | Fill color. |
| stroke | Color | - | No | Stroke color. |
| strokeDashArray | Array&lt;Length&gt; | [] | No | Stroke dash. |
| strokeDashOffset | Length | 0 | No | Offset of the start point for drawing the stroke. |
| strokeLineCap | LineCapStyle | LineCapStyle.Butt | No | Cap style of the stroke. |
| strokeLineJoin | LineJoinStyle | LineJoinStyle.Miter | No | Join style of the stroke. |
| strokeMiterLimit | number | 4 | No | Limit value when the sharp angle is drawn as a miter. |
| strokeOpacity | number | 1 | No | Stroke opacity. |
| strokeWidth | Length | 1 | No | Stroke width. |
| antiAlias | boolean | true | No | Whether anti-aliasing is enabled. |
- LineJoinStyle enums
| Name | Description |
| -------- | -------- |
| Bevel | Bevel is used to connect paths. |
| Miter | Miter is used to connect paths. |
| Round | Round is used to connect paths. |
| Name| Type| Default Value| Mandatory| Description|
| -------- | -------- | -------- | -------- | -------- |
| viewPort | {<br>x?: number \| string,<br>y?: number \| string,<br>width?: number \| string,<br>height?: number \| string<br>} | { x:0, y:0, width:0, height:0 } | No| View port of the shape.|
| fill | [ResourceColor](../../ui/ts-types.md) | Color.Black | No| Color of the fill area.|
| fillOpacity | number \| string \| [Resource](../../ui/ts-types.md#resource-type)| 1 | No| Opacity of the fill area.|
| stroke | [ResourceColor](../../ui/ts-types.md) | Color.Black | No| Stroke color.|
| strokeDashArray | Array&lt;Length&gt; | [] | No| Stroke dash.|
| strokeDashOffset | number \| string | 0 | No| Offset of the start point for drawing the stroke.|
| strokeLineCap | [LineCapStyle](ts-appendix-enums.md#linecapstyle) | LineCapStyle.Butt | No| Cap style of the stroke.|
| strokeLineJoin | [LineJoinStyle](ts-appendix-enums.md#linejoinstyle) | LineJoinStyle.Miter | No| Join style of the stroke.|
| strokeMiterLimit | number \| string | 4 | No| Limit value when the sharp angle is drawn as a miter.|
| strokeOpacity | number \| string \| [Resource](../../ui/ts-types.md#resource-type)| 1 | No| Stroke opacity.|
| strokeWidth | number \| string | 1 | No| Stroke width.|
| antiAlias | boolean | true | No| Whether anti-aliasing is enabled.|
| mesh<sup>8+</sup> | Array&lt;number&gt;,number,number | [],0,0 | No| Mesh effect. The first parameter is an array of lengths (column + 1) * (row + 1) * 2, which records the position of each vertex of the distorted bitmap. The second parameter is the number of columns in the mesh matrix. The third parameter is the number of rows in the mesh matrix.|
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct ShapeExample { struct ShapeExample {
...@@ -70,7 +66,7 @@ struct ShapeExample { ...@@ -70,7 +66,7 @@ struct ShapeExample {
Text('basic').fontSize(30).fontColor(0xCCCCCC).width(320) Text('basic').fontSize(30).fontColor(0xCCCCCC).width(320)
// Draw a 300 x 50 rectangle with strokes at (-2, -2). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, the join style is rounded, and anti-aliasing is enabled (default). // Draw a 300 x 50 rectangle with strokes at (-2, -2). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, the join style is rounded, and anti-aliasing is enabled (default).
// Draw a 300 x 50 ellipse with strokes at (-2, 58). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, the join style is rounded, and anti-aliasing is enabled (default). // Draw a 300 x 50 ellipse with strokes at (-2, 58). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, the join style is rounded, and anti-aliasing is enabled (default).
// Draw a 300 x 10 path at (-2, 118). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, and the join style is rounded, and anti-aliasing is enabled (default). // Draw a 300 x 10 path at (-2, 118). The fill color is 0x317Af7, the stroke color is black, the stroke width is 4, the stroke dash is 20, the offset is 10 to the left, the cap style is rounded, the join style is rounded, and anti-aliasing is enabled (default).
Shape() { Shape() {
Rect().width(300).height(50) Rect().width(300).height(50)
Ellipse().width(300).height(50).offset({ x: 0, y: 60 }) Ellipse().width(300).height(50).offset({ x: 0, y: 60 })
...@@ -90,7 +86,7 @@ struct ShapeExample { ...@@ -90,7 +86,7 @@ struct ShapeExample {
Shape() { Shape() {
Path().width(300).height(10).commands('M0 0 L900 0') Path().width(300).height(10).commands('M0 0 L900 0')
}.viewPort({ x: 0, y: -5, width: 300, height: 20 }).stroke(0xEE8443).strokeWidth(10).strokeDashArray([20]) }.viewPort({ x: 0, y: -5, width: 300, height: 20 }).stroke(0xEE8443).strokeWidth(10).strokeDashArray([20])
// Draw a 300 x 10 path at (0, -5). The fill color is 0xEE8443, the stroke width is 10, the stroke gap is 20, and the offset is 10 to the left. // Draw a 300 x 10 path at (0, -5). The fill color is 0xEE8443, the stroke width is 10, the stroke dash is 20, and the offset is 10 to the left.
Shape() { Shape() {
Path().width(300).height(10).commands('M0 0 L900 0') Path().width(300).height(10).commands('M0 0 L900 0')
} }
......
en/application-dev/reference/arkui-ts/ts-explicit-animation.md
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# Explicit Animation # Explicit Animation
You can create explicit animation with your custom settings.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This animation is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
| Name | Description |
| -------- | -------- | | API | Description |
| animateTo(value: [AnimationOptions](#animationoptions), event: ()=&gt; void) : void | Provides a transition animation when the status changes due to the closure code.<br/>**event** specifies the closure function that displays the dynamic effect. The system automatically inserts the transition animation if the status changes in the closure function. | | ------------------------------------------------------------ | ------------------------------------------------------------ |
| animateTo(value: [AnimationOptions](#animationoptions), event: ()=&gt; void) : void | Provides a transition animation when the status changes due to the closure code.<br>**event** specifies the closure function that displays the dynamic effect. The system automatically inserts the transition animation if the status changes in the closure function.|
## AnimationOptions ## AnimationOptions
- Attributes - Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| duration | number | 1000 | Animation duration, in ms. | | duration | number | 1000 | Animation duration, in ms.|
| tempo | number | 1.0 | Animation playback speed. A larger value indicates faster animation playback, and a smaller value indicates slower animation playback. The value **0** means that there is no animation. | | tempo | number | 1.0 | Animation playback speed. A larger value indicates faster animation playback, and a smaller value indicates slower animation playback. The value **0** means that there is no animation.|
| curve | Curve \| Curves | Linear | Animation curve. | | curve | Curve \| Curves | Linear | Animation curve.|
| delay | number | 0 | Delay of animation playback, in ms. By default, the playback is not delayed. | | delay | number | 0 | Delay of animation playback, in ms. By default, the playback is not delayed.|
| iterations | number | 1 | Number of times that the animation is played. By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times. | | iterations | number | 1 | Number of times that the animation is played. By default, the animation is played once. The value **-1** indicates that the animation is played for an unlimited number of times.|
| playMode | PlayMode | Normal | Animation playback mode. By default, the animation is played from the beginning after the playback is complete. | | playMode | [PlayMode](ts-appendix-enums.md#playmode) | Normal | Animation playback mode. By default, the animation is played from the beginning after the playback is complete.|
- APIs - APIs
| Name | Description | | Name| Description|
| -------- | -------- | | -------- | -------- |
| onFinish() =&gt; void | Callback invoked when the animation playback is complete. | | onFinish() =&gt; void | Callback invoked when the animation playback is complete.|
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct AnimateToExample { struct AnimateToExample {
...@@ -46,15 +49,15 @@ struct AnimateToExample { ...@@ -46,15 +49,15 @@ struct AnimateToExample {
.height(this.heightSize) .height(this.heightSize)
.backgroundColor(0x317aff) .backgroundColor(0x317aff)
.onClick((event: ClickEvent) => { .onClick((event: ClickEvent) => {
// Animation configuration for the width and height attributes of the Button component // Animation configuration for the width and height attributes of the <Button> component
if (this.flag) { if (this.flag) {
animateTo({ animateTo({
duration: 1000, // Animation duration duration: 1000, // Animation duration
tempo: 0.5, // Playback speed tempo: 0.5, // Playback speed
curve: Curve.EaseInOut, // Animation curve curve: Curve.EaseInOut, // Animation curve
delay: 200, // Animation delay delay: 200, // Animation delay
iterations: 1, // Number of playback times iterations: 1, // Number of playback times
playMode: PlayMode.Normal, // Animation mode playMode: PlayMode.Normal // Animation playback mode
onFinish: () => { onFinish: () => {
console.info('play end') console.info('play end')
} }
...@@ -64,11 +67,11 @@ struct AnimateToExample { ...@@ -64,11 +67,11 @@ struct AnimateToExample {
}) })
} else { } else {
animateTo({ animateTo({
duration: 200, // Animation duration duration: 200, // Animation duration
curve: Curve.Ease, // Animation curve curve: Curve.Ease, // Animation curve
delay: 200, // Animation delay delay: 200, // Animation delay
iterations: 1, // Number of playback times iterations: 1, // Number of playback times
playMode: PlayMode.Normal, // Animation mode playMode: PlayMode.Normal // Animation playback mode
onFinish: () => { onFinish: () => {
console.info('play end') console.info('play end')
} }
......
en/application-dev/reference/arkui-ts/ts-media-components-video.md
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# Video # Video
The **\<Video>** component provides a video player.
> **NOTE** > **NOTE**
> >
> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The **\<Video>** component provides a video player.
## Required Permissions ## Required Permissions
...@@ -26,31 +27,30 @@ Not supported ...@@ -26,31 +27,30 @@ Not supported
## APIs ## APIs
Video(value: VideoOptions) Video(value: {src?: string | Resource, currentProgressRate?: number | string | PlaybackSpeed, previewUri?: string | PixelMap | Resource, controller?: VideoController})
- VideoOptions attributes **Parameters**
| Name| Type| Mandatory| Default Value| Description| | Name| Type| Mandatory| Default Value| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
| src | string \| [Resource](../../ui/ts-types.md) | No| - | Path of the video source, which can be a local path or a URL.<br>The video resources can be stored in the **video** or **rawfile** folder under **resources**.<br>The path can include a **dataability://** prefix, which is used to access the video path provided by a Data ability. For details about the path, see [Data Ability Development](../../ability/fa-dataability.md).| | src | string \| [Resource](ts-types.md#resource) | No| - | Path of the video source, which can be a local path or a URL.<br>The video resources can be stored in the **video** or **rawfile** folder under **resources**.<br>The path can include a **dataability://** prefix, which is used to access the video path provided by a Data ability. For details about the path, see [Data Ability Development](../../ability/fa-dataability.md).|
| currentProgressRate | number \| PlaybackSpeed<sup>8+</sup> | No| 1.0 \| PlaybackSpeed.<br>Speed_Forward_1_00_X | Video playback speed.<br>**NOTE**<br>The value of the number type can only be **0.75**, **1.0**, **1.25**, **1.75**, or **2.0**. | | currentProgressRate | number \| PlaybackSpeed<sup>8+</sup> | No| 1.0 \| PlaybackSpeed.<br>Speed_Forward_1_00_X | Video playback speed.<br>**NOTE**<br>The value of the number type can only be **0.75**, **1.0**, **1.25**, **1.75**, or **2.0**. |
| previewUri | string \| PixelMap<sup>8+</sup> \| [Resource](../../ui/ts-types.md) | No| - | Path of the preview image.| | previewUri | string \| PixelMap<sup>8+</sup> \| [Resource](ts-types.md#resource) | No| - | Path of the preview image.|
| controller | [VideoController](#videocontroller) | No| - | Controller.| | controller | [VideoController](#videocontroller) | No| - | Controller.|
## PlaybackSpeed<sup>8+</sup>
- PlaybackSpeed<sup>8+</sup> | Name | Description |
| Name | Description | | -------------------- | --------------------- |
| -------------------- | --------------------- | | Speed_Forward_0_75_X | 0.75x playback speed. |
| Speed_Forward_0_75_X | 0.75x playback speed. | | Speed_Forward_1_00_X | 1x playback speed. |
| Speed_Forward_1_00_X | 1x playback speed. | | Speed_Forward_1_25_X | 1.25x playback speed. |
| Speed_Forward_1_25_X | 1.25x playback speed. | | Speed_Forward_1_75_X | 1.75x playback speed. |
| Speed_Forward_1_75_X | 1.75x playback speed. | | Speed_Forward_2_00_X | 2x playback speed. |
| Speed_Forward_2_00_X | 2x playback speed. |
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| --------- | ---------------------------------------- | ------------- | -------------------------------------------------- | | --------- | ---------------------------------------- | ------------- | -------------------------------------------------- |
| muted | boolean | false | Whether the video is muted. | | muted | boolean | false | Whether to mute the video. |
| autoPlay | boolean | false | Whether to enable auto play. | | autoPlay | boolean | false | Whether to enable auto play. |
| controls | boolean | true | Whether to display the video playback control bar. | | controls | boolean | true | Whether to display the video playback control bar. |
| objectFit | [ImageFit](ts-basic-components-image.md) | Cover | Video scale type. | | objectFit | [ImageFit](ts-basic-components-image.md) | Cover | Video scale type. |
...@@ -61,14 +61,14 @@ Video(value: VideoOptions) ...@@ -61,14 +61,14 @@ Video(value: VideoOptions)
| Name| Description| | Name| Description|
| -------- | -------- | | -------- | -------- |
| onStart() =&gt; void | Triggered when the video is played.| | onStart(event:() =&gt; void) | Triggered when the video is played.|
| onPause() =&gt; void | Triggered when the video playback is paused.| | onPause(event:() =&gt; void) | Triggered when the video playback is paused.|
| onFinish() =&gt; void | Triggered when the video playback is finished.| | onFinish(event:() =&gt; void) | Triggered when the video playback is finished.|
| onError() =&gt; void | Triggered when the video playback fails.| | onError(event:() =&gt; void) | Triggered when the video playback fails.|
| onPrepared(event?: { duration: number }) =&gt; void | Triggered when video preparation is complete. The video duration (in seconds) is obtained from **duration**.| | onPrepared(callback:(event?: { duration: number }) =&gt; void) | Triggered when video preparation is complete. The video duration (in seconds) is obtained from **duration**.|
| onSeeking(event?: { time: number }) =&gt; void | Triggered to report the time (in seconds) when the progress bar is being dragged.| | onSeeking(callback:(event?: { time: number }) =&gt; void) | Triggered to report the time (in seconds) when the progress bar is being dragged.|
| onSeeked(event?: { time: number }) =&gt; void | Triggered to report the playback time (in seconds) when the user finishes dragging the progress bar.| | onSeeked(callback:(event?: { time: number }) =&gt; void) | Triggered to report the playback time (in seconds) when the user finishes dragging the progress bar.|
| onUpdate(event?: { time: number }) =&gt; void | Triggered once per 250 ms when the playback progress changes. The unit of the current playback time is second.| | onUpdate(callback:(event?: { time: number }) =&gt; void) | Triggered once per 250 ms when the playback progress changes. The unit of the current playback time is second.|
## VideoController ## VideoController
...@@ -107,11 +107,11 @@ setCurrentTime(value: number) ...@@ -107,11 +107,11 @@ setCurrentTime(value: number)
Sets the video playback position. Sets the video playback position.
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description | | Name | Type | Mandatory | Default Value | Description |
| ----- | ------ | --------- | ------------- | ------------------------ | | ----- | ------ | --------- | ------------- | ------------------------ |
| value | number | Yes | - | Video playback position. | | value | number | Yes | - | Video playback position. |
### requestFullscreen ### requestFullscreen
...@@ -119,7 +119,7 @@ requestFullscreen(value: boolean) ...@@ -119,7 +119,7 @@ requestFullscreen(value: boolean)
Requests full-screen mode. Requests full-screen mode.
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description | | Name | Type | Mandatory | Default Value | Description |
| ----- | ------ | --------- | ------------- | -------------------------------------------- | | ----- | ------ | --------- | ------------- | -------------------------------------------- |
...@@ -137,21 +137,22 @@ setCurrentTime(value: number, seekMode: SeekMode) ...@@ -137,21 +137,22 @@ setCurrentTime(value: number, seekMode: SeekMode)
Sets the video playback position with the specified seek mode. Sets the video playback position with the specified seek mode.
- Parameters **Parameters**
| Name | Type | Mandatory | Default Value | Description |
| -------- | -------- | --------- | ------------- | ----------------------- |
| value | number | Yes | - | Video playback position. |
| seekMode | SeekMode | Yes | - | Seek mode. |
| Name | Type | Mandatory | Default Value | Description | ## SeekMode<sup>8+</sup>
| -------- | -------- | --------- | ------------- | ----------------------- |
| value | number | Yes | - | Video playback position. |
| seekMode | SeekMode | Yes | - | Seek mode. |
- SeekMode<sup>8+</sup> | Name | Description |
| ---------------- | ------------------------------------------------------------------------- |
| PreviousKeyframe | Seeks to the nearest previous keyframe. |
| NextKeyframe | Seeks to the nearest next keyframe. |
| ClosestKeyframe | Seeks to the nearest keyframe. |
| Accurate | Seeks to a specific frame, regardless of whether the frame is a keyframe. |
| Name | Description |
| ---------------- | ------------------------------------------------------------------------- |
| PreviousKeyframe | Seeks to the nearest previous keyframe. |
| NextKeyframe | Seeks to the nearest next keyframe. |
| ClosestKeyframe | Seeks to the nearest keyframe. |
| Accurate | Seeks to a specific frame, regardless of whether the frame is a keyframe. |
## Example ## Example
......
en/application-dev/reference/arkui-ts/ts-methods-menu.md
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# Menu # Menu
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version. >
> This method is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
## ContextMenu.close ## ContextMenu.close
close(): void close(): void
Closes the menu bound to this component through [bindContextMenu](./ts-universal-attributes-menu.md#Atrributes) on a page. Closes the menu bound to this component through [bindContextMenu](./ts-universal-attributes-menu.md#atrributes) on a page.
- Example ## Example
```
@Entry ```ts
@Component // xxx.ets
struct Index { @Entry
@Builder MenuBuilder(){ @Component
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) { struct Index {
Text('close') @Builder MenuBuilder(){
.fontSize(30) Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
.fontWeight(FontWeight.Bold) Text('close')
.onClick(() => { .fontSize(30)
ContextMenu.close(); .fontWeight(FontWeight.Bold)
}) .onClick(() => {
}.height(400) ContextMenu.close();
.backgroundColor(Color.Pink) })
}.height(400)
} .backgroundColor(Color.Pink)
build() { }
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Start, justifyContent: FlexAlign.Start }) {
Column(){ build() {
Text("Text") Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Start, justifyContent: FlexAlign.Start }) {
}.bindContextMenu(this.MenuBuilder, ResponseType.LongPress) Column(){
} Text("Text")
.width('100%') }.bindContextMenu(this.MenuBuilder, ResponseType.LongPress)
.height('100%')
} }
.width('100%')
.height('100%')
} }
``` }
```
en/application-dev/reference/arkui-ts/ts-transition-animation-component.md
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# Component Transition # Component Transition
Configure the component transition animations for when a component is inserted or deleted. This feature takes effect only when **animateTo** is used. The animation duration, curve, and delay are the same as those configured in **animateTo**.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This animation is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
Configure the component transition animations for when a component is inserted or deleted, which improves user experience. This feature takes effect only when **animateTo** is used. The animation duration, curve, and delay are the same as those configured in **animateTo**.
## Attributes ## Attributes
| Name | Type | Default Value | Description |
| Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| transition | Object | - | All parameters are optional. For details, see **transition** parameters. | | transition | Object | - | All parameters are optional. For details, see **transition**.|
- transition parameters - transition
| Name | Type | Default Value | Mandatory | Description | | Name| Type| Default Value| Mandatory| Description|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
| type | TransitionType | TransitionType.All | No | Transition type, which includes component addition and deletion by default.<br/>> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>> If **type** is not specified, insertion and deletion use the same transition type. | | type | [TransitionType](ts-appendix-enums.md#transitiontype) | TransitionType.All | No| Transition type, which includes component addition and deletion by default.<br>**NOTE**<br>If **type** is not specified, insertion and deletion use the same transition type.|
| opacity | number | 1 | No | Opacity effect during component transition, which is the value of the start point of insertion and the end point of deletion. | | opacity | number | 1 | No| Opacity of the component during transition, which is the value of the start point of insertion and the end point of deletion.|
| translate | {<br/>x? : number,<br/>y? : number,<br/>z? : number<br/>} | - | No | Translation effect during component transition, which is the value of the start point of insertion and the end point of deletion. | | translate | {<br>x? : number,<br>y? : number,<br>z? : number<br>} | - | No| Translation of the component during transition, which is the value of the start point of insertion and the end point of deletion.<br>-**x**: distance to translate along the x-axis.<br>-**y**: distance to translate along the y-axis.<br>-**z**: distance to translate along the z-axis.|
| scale | {<br/>x? : number,<br/>y? : number,<br/>z? : number,<br/>centerX? : number,<br/>centerY? : number<br/>} | - | No | Scaling effect during component transition, which is the value of the start point of insertion and the end point of deletion. | | scale | {<br>x? : number,<br>y? : number,<br>z? : number,<br>centerX? : number,<br>centerY? : number<br>} | - | No| Scaling of the component during transition, which is the value of the start point of insertion and the end point of deletion.<br>- **x**: scale factor along the x-axis.<br>- **y**: scale factor along the y-axis.<br>- **z**: scale factor along the z-axis.<br>- **centerX** and **centerY**: x coordinate and y coordinate of the scale center, respectively.<br>- If the center point is 0, it indicates the upper left corner of the component. |
| rotate | {<br/>x?: number,<br/>y?: number,<br/>z?: number,<br/>angle?: Angle,<br/>centerX?: Length,<br/>centerY?: Length<br/>} | - | No | Rotation effect during component transition, which is the value of the start point of insertion and the end point of deletion. | | rotate | {<br>x?: number,<br>y?: number,<br>z?: number,<br>angle?: Angle,<br>centerX?: Length,<br>centerY?: Length<br>} | - | No| Rotation of the component during transition, which is the value of the start point of insertion and the end point of deletion.<br>- **x**: rotation vector along the x-axis.<br>- **y**: rotation vector along the y-axis.<br>- **z**: rotation vector along the z-axis.<br>- **centerX** and **centerY**: x coordinate and y coordinate of the rotation center, respectively.<br>- If the center point is (0, 0), it indicates the upper left corner of the component.|
- TransitionType enums
| Name | Description |
| -------- | -------- |
| All | The transition takes effect in all scenarios. |
| Insert | The transition takes effect when a component is inserted. |
| Delete | The transition takes effect when a component is deleted. |
## Example ## Example
The following example shows how to use a button to control the appearance and disappearance of another button, and how to configure the required transition animations. The following example shows how to use a button to control the appearance and disappearance of another button, and how to configure the required transition animations.
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct TransitionExample { struct TransitionExample {
......
en/application-dev/reference/arkui-ts/ts-universal-attributes-background.md
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# Background # Background
You can set the background of a component.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
>
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The attributes in this topic are used to set the background color of a component.
## Required Permissions ## Required Permissions
None None
...@@ -16,29 +15,22 @@ None ...@@ -16,29 +15,22 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name | Type | Description |
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- |
| backgroundColor | Color | - | Background color of a component. | | backgroundColor | [ResourceColor](ts-types.md#resourcecolor) | Background color of a component. |
| backgroundImage | src: string,<br/>repeat?: [ImageRepeat](ts-appendix-enums.md#imagerepeat-enums) | - | **src**: image address, which can be the address of an Internet or a local image. (SVG images are not supported.)<br/>**repeat**: whether the background image is repeatedly used. By default, the background image is not repeatedly used. | | backgroundImage | src:&nbsp;[ResourceStr](ts-types.md#resourcestr),<br/>repeat?:&nbsp;[ImageRepeat](ts-appendix-enums.md#imagerepeat) | **src**: image address, which can be the address of an Internet or a local image. (SVG images are not supported.)<br/>**repeat**: whether the background image is repeatedly used. By default, the background image is not repeatedly used. |
| backgroundImageSize | {<br/>width?: Length,<br/>height?: Length<br/>} \| ImageSize | Auto | Width and height of the background image. When the input is a **{width: Length, height: Length}** object, if only one attribute is set, the other attribute is the set value multiplied by the original aspect ratio of the image. By default, the original image aspect ratio remains unchanged. | | backgroundImageSize | {<br/>width?:&nbsp;[Length](ts-types.md#length),<br/>height?:&nbsp;[Length](ts-types.md#length)<br/>}&nbsp;\|&nbsp;[ImageSize](ts-appendix-enums.md#imagesize) | Width and height of the background image. When the input is a **{width: Length, height: Length}** object, if only one attribute is set, the other attribute is the set value multiplied by the original aspect ratio of the image. By default, the original image aspect ratio remains unchanged.<br>Default value: **ImageSize.Auto** |
| backgroundImagePosition | {<br/>x?: Length,<br/>y?: Length<br/>} \| [Alignment](ts-appendix-enums.md#alignment-enums) | {<br/>x: 0,<br/>y: 0<br/>} | Position of the background image in the component. | | backgroundImagePosition | {<br/>x?:&nbsp;[Length](ts-types.md#length),<br/>y?:&nbsp;[Length](ts-types.md#length)<br/>}&nbsp;\|&nbsp;[Alignment](ts-appendix-enums.md#alignment) | Position of the background image in the component. |
- ImageSize enums
| Name | Description |
| -------- | -------- |
| Cover | Default value. The image is scaled with its aspect ratio retained for both sides to be greater than or equal to the display boundaries. |
| Contain | The image is scaled with its aspect ratio retained for the content to be completely displayed within the display boundaries. |
| Auto | The original image aspect ratio is retained. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct BackgroundExample { struct BackgroundExample {
build() { build() {
Column({ space: 5 }) { Column({ space: 5 }) {
Text('background color').fontSize(9).width('90%').fontColor(0xCCCCCC) Text('background color').fontSize(9).width('90%').fontColor(0xCCCCCC)
......
en/application-dev/reference/arkui-ts/ts-universal-attributes-border.md
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# Border # Border
The border attribute is used to set border styles for components.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The attributes described in this topic are used to set border styles.
## Required Permissions
None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name | Type | Description |
| -------- | -------- | -------- | -------- | | ------------ | ------------- | ------------------------ |
| border | {<br/>width?: Length,<br/>color?: Color,<br/>radius?: Length,<br/>style?: BorderStyle<br/>} | - | Sets a unified border style. | | border | {<br/>width?:&nbsp;[Length](ts-types.md#length),<br/>color?:&nbsp;[ResourceColor](ts-types.md#resourcecolor),<br/>radius?:&nbsp;[Length](ts-types.md#length),<br/>style?:&nbsp;[BorderStyle](ts-appendix-enums.md#borderstyle)<br/>}s | Unified border style. |
| borderStyle | BorderStyle | BorderStyle.Solid | Sets the border style of an element. | | borderStyle | [BorderStyle](ts-appendix-enums.md#borderstyle) | Border style of an element.<br>Default value: **BorderStyle.Solid** |
| borderWidth | Length | 0 | Sets the border width of an element. | | borderWidth | [Length](ts-types.md#length) | Border width of an element. |
| borderColor | Color | - | Sets the border color of an element. | | borderColor | [ResourceColor](ts-types.md#resourcecolor) | Border color of an element. |
| borderRadius | Length | 0 | Sets the border radius of an element. | | borderRadius | [Length](ts-types.md#length) | Border radius of an element.|
- BorderStyle enums
| Name | Description |
| -------- | -------- |
| Dotted | Dotted border. The radius of a dot is half of **borderWidth**. |
| Dashed | Dashed border. |
| Solid | Solid border. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct BorderExample { struct BorderExample {
build() { build() {
Flex({ justifyContent: FlexAlign.SpaceAround, alignItems: ItemAlign.Center }) { Flex({ justifyContent: FlexAlign.SpaceAround, alignItems: ItemAlign.Center }) {
// Line segment // Dashed border
Text('dashed') Text('dashed')
.borderStyle(BorderStyle.Dashed).borderWidth(5).borderColor(0xAFEEEE).borderRadius(10) .borderStyle(BorderStyle.Dashed).borderWidth(5).borderColor(0xAFEEEE).borderRadius(10)
.width(120).height(120).textAlign(TextAlign.Center).fontSize(16) .width(120).height(120).textAlign(TextAlign.Center).fontSize(16)
// Dotted line // Dotted border
Text('dotted') Text('dotted')
.border({ width: 5, color: 0x317AF7, radius: 10, style: BorderStyle.Dotted }) .border({ width: 5, color: 0x317AF7, radius: 10, style: BorderStyle.Dotted })
.width(120).height(120).textAlign(TextAlign.Center).fontSize(16) .width(120).height(120).textAlign(TextAlign.Center).fontSize(16)
......
en/application-dev/reference/arkui-ts/ts-universal-attributes-gradient-color.md
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...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
Create a more gorgeous look for a component by applying a gradient color effect to it. Create a more gorgeous look for a component by applying a gradient color effect to it.
> **NOTE** > **NOTE**
> >
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
...@@ -15,37 +15,21 @@ None ...@@ -15,37 +15,21 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| linearGradient | {<br/>angle?: [Angle](../../ui/ts-types.md),<br/>direction?:GradientDirection,<br/>colors: Array<[ColorStop](../../ui/ts-types.md)><br/>repeating?: boolean<br/>} | - | Linear gradient.<br/>**angle**: angle of the linear gradient.<br/>**direction**: direction of the linear gradient. It does not take effect when **angle** is set.<br/>**colors**: description of the gradient colors.<br/>**repeating**: whether the colors are repeated. | | linearGradient | {<br/>angle?: number\|string,<br/>direction?: [GradientDirection](ts-appendix-enums.md#gradientdirection),<br/>colors: Array&lt;any&gt;<br/>repeating?: boolean<br/>} | - | Linear gradient.<br>**angle**: angle of the linear gradient.<br>**direction**: direction of the linear gradient. It does not take effect when **angle** is set.<br>**colors**: description of the gradient colors.<br>**repeating**: whether the colors are repeated.|
| sweepGradient | {<br/>center: Point,<br/>start?: angle,<br/>end?: angle,<br/>colors: Array<[ColorStop](../../ui/ts-types.md)><br/>repeating?: boolean<br/>} | - | Angle gradient.<br/>**center**: center point of the angle gradient.<br/>**start**: start point of the angle gradient.<br/>**end**: end point of the angle gradient.<br/>**colors**: description of the gradient colors.<br/>**repeating**: whether the colors are repeated. | | sweepGradient | {<br/>center: Point,<br/>start?: angle,<br/>end?: angle,<br/>colors: Array&lt;any&gt;<br/>repeating?: boolean<br/>} | - | Angle gradient.<br>**center**: center point of the angle gradient.<br>**start**: start point of the angle gradient.<br>**end**: end point of the angle gradient.<br>**colors**: description of the gradient colors.<br>**repeating**: whether the colors are repeated.|
| radialGradient | {<br/>center: Point,<br/>radius: Length,<br/>colors: Array<[ColorStop](../../ui/ts-types.md)><br/>repeating: boolean<br/>} | - | Radial gradient.<br/>**center**: center point of the radial gradient.<br/>**radius**: radius of the radial gradient.<br/>**colors**: description of the gradient colors.<br/>**repeating**: whether the colors are repeated. | | radialGradient | {<br/>center: Point,<br/>radius: Length,<br/>colors: Array&lt;any&gt;<br/>repeating: boolean<br/>} | - | Radial gradient.<br>**center**: center point of the radial gradient.<br>**radius**: radius of the radial gradient.<br>**colors**: description of the gradient colors.<br>**repeating**: whether the colors are repeated.|
- GradientDirection
Enumerates the gradient directions.
| Name | Description |
| -------- | -------- |
| Left | The gradient direction is from right to left. |
| Top | The gradient direction is from bottom to top. |
| Right | The gradient direction is from left to right. |
| Bottom | The gradient direction is from top to bottom. |
| LeftTop | The gradient direction is upper left. |
| LeftBottom | The gradient direction is lower left. |
| RightTop | The gradient direction is upper right. |
| RightBottom | The gradient direction is lower right. |
| None | No gradient. |
## Example ## Example
```ts ```ts
// xxx.ets // xxx.ets
@Entry @Entry
@Component @Component
struct ColorGradientExample { struct ColorGradientExample {
build() { build() {
Column({ space: 5 }) { Column({ space: 5 }) {
Text('linearGradient').fontSize(12).width('90%').fontColor(0xCCCCCC) Text('linearGradient').fontSize(12).width('90%').fontColor(0xCCCCCC)
......
en/application-dev/reference/arkui-ts/ts-universal-attributes-hover-effect.md
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# Hover Effect # Hover Effect
The hover effect is applied to a component in hover state.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -12,23 +14,15 @@ None ...@@ -12,23 +14,15 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| hoverEffect | HoverEffect | HoverEffect.Auto | Hover effect of the component in hover state. | | hoverEffect | [HoverEffect](ts-appendix-enums.md#hovereffect8) | HoverEffect.Auto | Hover effect of the component in hover state.|
- HoverEffect enums
| Name | Description |
| -------- | -------- |
| Auto | Default hover effect. |
| Scale | Scale effect. |
| Highlight | Fade-in and fade-out effect. |
| None | No effect. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct HoverExample { struct HoverExample {
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# Location # Location
The location attribute sets the alignment mode, layout direction, and position of a component.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -13,30 +15,23 @@ None ...@@ -13,30 +15,23 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| align | [Alignment](ts-appendix-enums.md#alignment-enums) | Center | Alignment of the component content. This attribute is valid only when the values of **width** and **height** are greater than the size of the component content. | | align | [Alignment](ts-appendix-enums.md#alignment) | Center | Alignment of the component content. This attribute is valid only when the values of **width** and **height** are greater than the size of the component content.|
| direction | Direction | Auto | Horizontal layout of the component. For details about the options, see **Direction** enums. | | direction | [Direction](ts-appendix-enums.md#direction) | Auto | Horizontal layout of the component. For details about the options, see **Direction** enums.|
| position | {<br/>x: Length,<br/>y: Length<br/>} | - | Offset of the component anchor point relative to the top start edge of the parent component. The offset is expressed using absolute values. When laying out components, this attribute does not affect the layout of the parent component. It only adjusts the component position during drawing. | | position | {<br>x: Length,<br>y: Length<br>} | - | Offset of the component anchor point relative to the top start edge of the parent component. The offset is expressed using absolute values. When laying out components, this attribute does not affect the layout of the parent component. It only adjusts the component position during drawing.|
| markAnchor | {<br/>x: Length,<br/>y: Length<br/>} | {<br/>x: 0,<br/>y: 0<br/>} | Anchor point of the component for positioning. The top start edge of the component is used as the reference point for offset. | | markAnchor | {<br>x: Length,<br>y: Length<br>} | {<br>x: 0,<br>y: 0<br>} | Anchor point of the component for positioning. The top start edge of the component is used as the reference point for offset.|
| offset | {<br/>x: Length,<br/>y: Length<br/>} | {<br/>x: 0,<br/>y: 0<br/>} | Coordinate offset of the relative layout. This attribute does not affect the layout of the parent component. It only adjusts the component position during drawing. | | offset | {<br>x: Length,<br>y: Length<br>} | {<br>x: 0,<br>y: 0<br>} | Coordinate offset of the relative layout. This attribute does not affect the layout of the parent component. It only adjusts the component position during drawing.|
- Direction enums
| Name | Description |
| -------- | -------- |
| Ltr | Components are arranged from left to right. |
| Rtl | Components are arranged from right to left. |
| Auto | The default layout direction is used. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct PositionExample { struct PositionExample {
build() { build() {
Column() { Column() {
Column({space: 10}) { Column({space: 10}) {
...@@ -66,11 +61,12 @@ struct PositionExample { ...@@ -66,11 +61,12 @@ struct PositionExample {
![en-us_image_0000001212218456](figures/en-us_image_0000001212218456.gif) ![en-us_image_0000001212218456](figures/en-us_image_0000001212218456.gif)
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct PositionExample2 { struct PositionExample2 {
build() { build() {
Column({ space: 20 }) { Column({ space: 20 }) {
Text('position').fontSize(12).fontColor(0xCCCCCC).width('90%') Text('position').fontSize(12).fontColor(0xCCCCCC).width('90%')
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# Menu Control # Menu Control
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** A menu – a vertical list of items – can be bound to a component and displayed by long-pressing, clicking, or right-clicking the component.
> **NOTE**
>
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
...@@ -12,29 +15,24 @@ None ...@@ -12,29 +15,24 @@ None
## Attributes ## Attributes
| Name| Type| Default Value | Description| | Name | Type | Description |
| -------- | -------- | -------- | -------- | | ---------------------------- | ---------------------------------------- | ---------------------------------- |
| bindMenu | Array<MenuItem&gt; \| [CustomBuilder](../../ui/ts-types.md)<sup>8+</sup> | - | Menu bound to the component, which is displayed when you click the component. Textual and custom menu items are supported.| | bindMenu | Array<MenuItem&gt; \| [CustomBuilder](ts-types.md#custombuilder8) | Menu bound to the component, which is displayed when you click the component. Textual and custom menu items are supported.|
| bindContextMenu<sup>8+</sup> | content: [CustomBuilder](../../ui/ts-types.md)<br>responseType: ResponseType | - | Context menu bound to the component, which is displayed when you long-press or right-click the component. Only custom menu items are supported.| | bindContextMenu<sup>8+</sup> | content: [CustomBuilder](ts-types.md#custombuilder8)<br>responseType: [ResponseType](ts-appendix-enums.md#responsetype8) | Context menu bound to the component, which is displayed when you long-press or right-click the component. Only custom menu items are supported. |
- MenuItem ## MenuItem
| Name| Type| Description| | Name | Type | Description |
| -------- | -------- | -------- | | ------ | ----------------------- | ----------- |
| value | string | Menu item text.| | value | string | Menu item text. |
| action | () =&gt; void | Action triggered when a menu item is clicked.| | action | () =&gt; void | Action triggered when a menu item is clicked.|
- ResponseType<sup>8+</sup>
| Value| Description|
| -------- | -------- |
| LongPress | The menu is displayed when the component is long-pressed. |
| RightClick | The menu is displayed when the component is right-clicked.|
## Example ## Example
#### Menu with Textual Menu Items #### Menu with Textual Menu Items
``` ```ts
// xxx.ets
@Entry @Entry
@Component @Component
struct MenuExample { struct MenuExample {
...@@ -66,7 +64,8 @@ struct MenuExample { ...@@ -66,7 +64,8 @@ struct MenuExample {
#### Menu with Custom Menu Items #### Menu with Custom Menu Items
``` ```ts
// xxx.ets
import router from '@system.router'; import router from '@system.router';
@Entry @Entry
...@@ -116,7 +115,8 @@ struct MenuExample { ...@@ -116,7 +115,8 @@ struct MenuExample {
#### Context Menu (Displayed Upon Right-Clicking) #### Context Menu (Displayed Upon Right-Clicking)
``` ```ts
// xxx.ets
@Entry @Entry
@Component @Component
struct ContextMenuExample { struct ContextMenuExample {
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...@@ -11,12 +11,12 @@ ...@@ -11,12 +11,12 @@
None None
## Attributes ## APIs
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| bindPopup | show: boolean,<br/>popup: PopupOptions \| CustomPopupOptions | - | Settings of the popup bound to a component.<br/>**show**: whether to display the popup on the creation page by default. The default value is **false**.<br/>**popup**: parameters of the current popup. | | bindPopup | show:&nbsp;boolean,<br/>popup:&nbsp;PopupOptions\|&nbsp;CustomPopupOptions<sup>8+</sup> | - | Binds the popup to the component.<br/>**show**: whether to display the popup on the creation page by default. The default value is **false**.<br/>**popup**: parameters of the current popup. |
## PopupOptions ## PopupOptions
...@@ -26,18 +26,18 @@ None ...@@ -26,18 +26,18 @@ None
| placementOnTop | boolean | No | false | Whether to display the popup above the component. The default value is **false**. | | placementOnTop | boolean | No | false | Whether to display the popup above the component. The default value is **false**. |
| primaryButton | {<br/>value: string,<br/>action: () =&gt; void<br/>} | No | - | First button.<br/>**value**: text of the primary button in the popup.<br/>**action**: callback function for clicking the primary button. | | primaryButton | {<br/>value: string,<br/>action: () =&gt; void<br/>} | No | - | First button.<br/>**value**: text of the primary button in the popup.<br/>**action**: callback function for clicking the primary button. |
| secondaryButton | {<br/>value: string,<br/>action: () =&gt; void<br/>} | No | - | Second button.<br/>**value**: text of the secondary button in the popup.<br/>**action**: callback function for clicking the secondary button. | | secondaryButton | {<br/>value: string,<br/>action: () =&gt; void<br/>} | No | - | Second button.<br/>**value**: text of the secondary button in the popup.<br/>**action**: callback function for clicking the secondary button. |
| onStateChange | (isVisible: boolean) =&gt; void | No | - | Callback for the popup status change event.<br>**isVisible**: visibility of the popup. | | onStateChange | (event:{isVisible:&nbsp;boolean })&nbsp;=&gt;&nbsp;void | No | - | Callback for the popup status change event.<br>**isVisible**: visibility of the popup. |
## CustomPopupOptions<sup>8+</sup> ## CustomPopupOptions<sup>8+</sup>
| Name | Type | Mandatory | Default Value | Description | | Name | Type | Mandatory | Default Value | Description |
| ------------- | ---------------------------------------------- | ---- | ---------------- | ------------------------------------------------------------ | | ------------- | ---------------------------------------------- | ---- | ---------------- | ------------------------------------------------------------ |
| builder | () =&gt; any | Yes | - | Builder of the tooltip content. | | builder | [CustomBuilder](ts-types.md#custombuilder8) | Yes | - | Builder of the tooltip content. |
| placement | [Placement](ts-appendix-enums.md) | No | Placement.Bottom | Preferred position of the tooltip component. If the set position is insufficient for holding the component, it will be automatically adjusted. | | placement | [Placement](ts-appendix-enums.md#placement8) | No | Placement.Bottom | Preferred position of the tooltip component. If the set position is insufficient for holding the component, it will be automatically adjusted. |
| maskColor | [Color](ts-appendix-enums.md#color) | No | - | Color of the tooltip mask. | | maskColor | [ResourceColor](ts-types.md#resourcecolor) | No | - | Color of the tooltip mask. |
| popupColor | [Color](ts-appendix-enums.md#color) | No | - | Color of the tooltip. | | popupColor | [ResourceColor](ts-types.md#resourcecolor) | No | - | Color of the tooltip. |
| enableArrow | boolean | No | true | Whether to display arrows. Arrows are displayed only for tooltips in the up and down directions. | | enableArrow | boolean | No | true | Whether to display arrows. Arrows are displayed only for tooltips in the up and down directions. |
| autoCancel | boolean | No | true | Whether to automatically close the tooltip when an operation is performed on the page. | | autoCancel | boolean | No | true | Whether to automatically close the tooltip when an operation is performed on the page. |
| onStateChange | (isVisible: boolean) =&gt; void | No | - | Callback for the popup status change event. The parameter **isVisible** indicates the visibility of the popup. | | onStateChange |(event:{isVisible:&nbsp;boolean })&nbsp;=&gt;&nbsp;void | No | - | Callback for the popup status change event. The parameter **isVisible** indicates the visibility of the popup. |
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...@@ -3,7 +3,7 @@ ...@@ -3,7 +3,7 @@
> **NOTE** > **NOTE**
> >
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
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# Text Style # Text Style
The text style attribute is used to set the style for text in a component.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
>
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The attributes described in this topic are used to set the text style for a component that contains text.
## Required Permissions ## Required Permissions
None None
...@@ -16,37 +15,19 @@ None ...@@ -16,37 +15,19 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name | Type | Default Value | Description |
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| fontColor | Color | - | Text color. | | fontColor | Color | - | Text color. |
| fontSize | Length | - | Text size. If the value is of the number type, the unit fp is used. | | fontSize | Length | - | Text size. If the value is of the number type, the unit fp is used. |
| fontStyle | FontStyle | FontStyle.Normal | Font style of the text. | | fontStyle | [FontStyle](ts-appendix-enums.md#fontstyle) | FontStyle.Normal | Font style of the text. |
| fontWeight | number \| FontWeight | FontWeight.Normal | Font weight. For the number type, the value ranges from 100 to 900, at an interval of 100. The default value is **400**. A larger value indicates a larger font weight.<br/>For common values of the **FontWeight** type, see **FontWeight** enums. | | fontWeight | number&nbsp;\|[FontWeight](ts-appendix-enums.md#fontweight) | FontWeight.FontWeightNormal | Font weight. For the number type, the value ranges from 100 to 900, at an interval of 100. The default value is **400**. A larger value indicates a larger font weight.<br/>For common values of the **FontWeight** type, see **FontWeight** enums. |
| fontFamily | string | - | Font family of the text. Use commas (,) to separate multiple fonts. The priority the fonts is the sequence in which they are placed. An example value is **Arial, sans-serif**. | | fontFamily | string | - | Font family of the text. Use commas (,) to separate multiple fonts. The priority the fonts is the sequence in which they are placed. An example value is **Arial, sans-serif**. |
- FontStyle enums
| Name | Description |
| -------- | -------- |
| Normal | Standard font style. |
| Italic | Italic font style. |
- FontWeight enums
| Name | Description |
| -------- | -------- |
| Lighter | The font weight is lighter. |
| Normal | The font weight is normal. |
| Regular | The font weight is regular. |
| Medium | The font weight is medium. |
| Bold | The font weight is bold. |
| Bolder | The font weight is bolder. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct TextStyleExample { struct TextStyleExample {
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# Transformation # Transformation
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -13,18 +14,19 @@ None ...@@ -13,18 +14,19 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description |
| -------- | -------- | -------- | -------- |
| rotate | {<br/>x?: number,<br/>y?: number,<br/>z?: number,<br/>angle?: Angle,<br/>centerX?: Length,<br/>centerY?: Length<br/>} | {<br/>x: 0,<br/>y: 0,<br/>z: 0,<br/>angle: 0,<br/>centerX: '50%',<br/>centerY: '50%'<br/>} | The vector (x, y, z) specifies a rotation axis. A positive angle indicates a clockwise rotation, and a negative angle indicates a counterclockwise rotation. The default value is **0**. **centerX** and **centerY** are used to set the rotation center point. |
| translate | {<br/>x?: Length,<br/>y?: Length,<br/>z? : Length<br/>} | {<br/>x: 0,<br/>y: 0,<br/>z: 0<br/>} | Translation distance along the x-, y-, and z-axis. The translation direction is determined by the positive and negative values. The default value is **0**. |
| scale | {<br/>x?: number,<br/>y?: number,<br/>z?: number,<br/>centerX?: Length,<br/>centerY?: Length<br/>} | {<br/>x: 1,<br/>y: 1,<br/>z: 1,<br/>centerX:'50%',<br/>centerY:'50%'<br/>} | Scale ratio of the x-, y-, and z-axis. The default value is **1**. **centerX** and **centerY** are used to set the scale center point. |
| transform | matrix: Matrix4 | - | Transformation matrix of the component. |
| Name | Type | Default Value | Description |
| -------- | -------- | -------- | -------- |
| rotate | {<br/>x?: number,<br/>y?: number,<br/>z?: number,<br/>angle?: Angle,<br/>centerX?: Length,<br/>centerY?: Length<br/>} | {<br/>x: 0,<br/>y: 0,<br/>z: 0,<br/>angle: 0,<br/>centerX: '50%',<br/>centerY: '50%'<br/>} | The vector (x, y, z) specifies a rotation axis. A positive angle indicates a clockwise rotation, and a negative angle indicates a counterclockwise rotation. The default value is **0**. **centerX** and **centerY** are used to set the rotation center point. |
| translate | {<br/>x?: Length,<br/>y?: Length,<br/>z? : Length<br/>} | {<br/>x: 0,<br/>y: 0,<br/>z: 0<br/>} | Translation distance along the x-, y-, and z-axis. The translation direction is determined by the positive and negative values. The default value is **0**. |
| scale | {<br/>x?: number,<br/>y?: number,<br/>z?: number,<br/>centerX?: Length,<br/>centerY?: Length<br/>} | {<br/>x: 1,<br/>y: 1,<br/>z: 1,<br/>centerX:'50%',<br/>centerY:'50%'<br/>} | Scale ratio of the x-, y-, and z-axis. The default value is **1**. **centerX** and **centerY** are used to set the scale center point. |
| transform | matrix: Matrix4 | - | Transformation matrix of the component. |
## Example ## Example
``` ```ts
// xxx.ets
import Matrix4 from '@ohos.matrix4' import Matrix4 from '@ohos.matrix4'
@Entry @Entry
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# Visibility # Visibility
The visibility attribute controls whether a component is visible.
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
>
> This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
...@@ -13,23 +15,15 @@ None ...@@ -13,23 +15,15 @@ None
## Attributes ## Attributes
| Name | Type | Default Value | Description | | Name| Type| Default Value| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| visibility | Visibility | Visibility.Visible | Whether the component is shown or hidden. | | visibility | [Visibility](ts-appendix-enums.md#visibility) | Visibility.Visible | Whether the component is visible. |
- Visibility enums
| Name | Description |
| -------- | -------- |
| Hidden | The component is hidden, and a placeholder is used for it in the layout. |
| Visible | The component is shown. |
| None | The component is hidden. It is not involved in the layout, and no placeholder is used for it. |
## Example ## Example
```ts
``` // xxx.ets
@Entry @Entry
@Component @Component
struct VisibilityExample { struct VisibilityExample {
...@@ -40,11 +34,11 @@ struct VisibilityExample { ...@@ -40,11 +34,11 @@ struct VisibilityExample {
Row().visibility(Visibility.Visible).width('90%').height(80).backgroundColor(0xAFEEEE) Row().visibility(Visibility.Visible).width('90%').height(80).backgroundColor(0xAFEEEE)
Text('None').fontSize(9).width('90%').fontColor(0xCCCCCC) Text('None').fontSize(9).width('90%').fontColor(0xCCCCCC)
// The component is hidden and no placeholder is used. // The component is hidden, and no placeholder is used.
Row().visibility(Visibility.None).width('90%').height(80).backgroundColor(0xAFEEEE) Row().visibility(Visibility.None).width('90%').height(80).backgroundColor(0xAFEEEE)
Text('Hidden').fontSize(9).width('90%').fontColor(0xCCCCCC) Text('Hidden').fontSize(9).width('90%').fontColor(0xCCCCCC)
// The component is hidden and a placeholder is used. // The component is hidden, and a placeholder is used for it in the layout.
Row().visibility(Visibility.Hidden).width('90%').height(80).backgroundColor(0xAFEEEE) Row().visibility(Visibility.Hidden).width('90%').height(80).backgroundColor(0xAFEEEE)
}.width('90%').border({ width: 1 }) }.width('90%').border({ width: 1 })
}.width('100%').margin({ top: 5 }) }.width('100%').margin({ top: 5 })
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...@@ -16,47 +16,32 @@ None ...@@ -16,47 +16,32 @@ None
| Name | Bubbling Supported | Description | | Name | Bubbling Supported | Description |
| -------- | -------- | -------- | | -------- | -------- | -------- |
| onKeyEvent(event: (event?: KeyEvent) =&gt; void) | Yes | Called when the a key event occurs on the bound component in focus. For details about **event**, see [KeyEvent](#keyevent). | | onKeyEvent(event: (event?: KeyEvent) =&gt; void) | Yes | Called when a key event occurs. For details about **event**, see [KeyEvent](#keyevent). |
## KeyEvent ## KeyEvent
- Attributes - Attributes
| Name | Type | Description | | Name | Type | Description |
| -------- | -------- | -------- | | ------------------------------------- | --------------------------- | -------------------------- |
| type | [KeyType](#keytype-enums) | Type of a key. | | type | [KeyType](ts-appendix-enums.md#keytype) | Type of a key. |
| keyCode | number | Key code. | | [keyCode](../apis/js-apis-keycode.md) | number | Key code. |
| keyText | string | Key value. | | keyText | string | Key value. |
| keySource | [KeySource](#keysource-enums) | Type of the input device that triggers the key event. | | keySource | [KeySource](ts-appendix-enums.md#keysource) | Type of the input device that triggers the key event. |
| deviceId | number | ID of the input device that triggers the key event. | | deviceId | number | ID of the input device that triggers the key event. |
| metaKey | number | State of the metakey when the key is pressed. The value **1** means the pressed state, and **0** means the unpressed state. | | metaKey | number | State of the metakey when the key is pressed. The value **1** means the pressed state, and **0** means the unpressed state. |
| timestamp | number | Timestamp when the key is pressed. | | timestamp | number | Timestamp when the key is pressed. |
- APIs - APIs
| Name | Description | | Name | Description |
| -------- | -------- | | -------- | -------- |
| stopPropagation(): void | Stops the event from bubbling upwards or downwards. | | stopPropagation(): void | Stops the event from bubbling upwards or downwards. |
## KeyType Enums
| Name | Description |
| -------- | -------- |
| Down | The key is pressed. |
| Up | The key is released. |
## KeySource Enums
| Name | Description |
| -------- | -------- |
| Unknown | Unknown input device. |
| Keyboard | The input device is a keyboard. |
## Example ## Example
```ts ```ts
// xxx.ets // xxx.ets
@Entry @Entry
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# Show/Hide Event # Show/Hide Event
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**
> This method is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. >
> The APIs of this module are supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions ## Required Permissions
...@@ -12,16 +13,17 @@ None ...@@ -12,16 +13,17 @@ None
## Events ## Events
| Name | Bubble Supported | Description | | Name | Bubble Supported | Description |
| -------- | -------- | -------- | | -------- | -------- | -------- |
| onAppear(callback: () =&gt; void) | No | Called when the component is displayed. | | onAppear(callback: () =&gt; void) | No | Called when the component is displayed. |
| onDisappear(callback: () =&gt; void) | No | Called when the component disappears. | | onDisappear(callback: () =&gt; void) | No | Called when the component disappears. |
## Example ## Example
``` ```ts
// xxx.ets
import prompt from '@system.prompt' import prompt from '@system.prompt'
@Entry @Entry
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...@@ -7,55 +7,36 @@ A touch event is triggered when a finger is pressed, slides, or is lifted from a ...@@ -7,55 +7,36 @@ A touch event is triggered when a finger is pressed, slides, or is lifted from a
> This event is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. > This event is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
## Required Permissions
None
## Events ## Events
| Name | Bubbling Supported| Description | | Name | Bubbling Supported| Description |
| ---------------------------------------- | ---- | ---------------------------------------- | | ---------------------------------------- | ---- | ---------------------------------------- |
| onTouch(callback:&nbsp;(event?:&nbsp;TouchEvent)&nbsp;=&gt;&nbsp;void) | Yes | Invoked when a touch action is triggered. For details about **event**, see [TouchEvent](#touchevent).| | onTouch(event:&nbsp;(event?:&nbsp;TouchEvent)&nbsp;=&gt;&nbsp;void) | Yes | Invoked when a touch action is triggered. For details about **event**, see [TouchEvent](#touchevent).|
## TouchEvent ## TouchEvent
- Attributes | Name | Type | Description |
| Name | Type | Description | | ------------------- | ---------------------------------------- | ------------ |
| ------------------- | ---------------------------------------- | ------------ | | type | [TouchType](ts-appendix-enums.md#touchtype) | Type of the touch event. |
| type | TouchType | Type of the touch event. | | touches | Array&lt;[TouchObject](#touchobject)&gt; | All finger information. |
| touches | Array&lt;[TouchObject](#touchobject)&gt; | All finger information. | | changedTouches | Array&lt;[TouchObject](#touchobject)&gt; | Finger information changed.|
| changedTouches | Array&lt;[TouchObject](#touchobject)&gt; | Finger information changed.| | stopPropagation | () => void | Stops the event from bubbling upwards or downwards.|
| timestamp | number | Timestamp of the event. | | timestamp<sup>8+</sup> | number | Timestamp of the event.|
| target<sup>8+</sup> | [EventTarget](ts-universal-events-click.md#eventtarget8) | Target of the event. | | target<sup>8+</sup> | [EventTarget](ts-universal-events-click.md) | Display area of the element that triggers the gesture event.|
| source<sup>8+</sup> | [SourceType](ts-gesture-settings.md) | Event input device.|
- APIs
| Name | Description |
| ---------------------- | ------- |
| stopPropagation(): void| Stops the event from bubbling upwards or downwards.|
## TouchObject ## TouchObject
| Name | Type | Description | | Name | Type | Description |
| ------- | --------------------------- | ------------------- | | ------- | --------------------------- | ------------------- |
| type | [TouchType](#touchtype-enums) | Type of the touch event. | | type | [TouchType](ts-appendix-enums.md#touchtype) | Type of the touch event. |
| id | number | Unique identifier of a finger. | | id | number | Unique identifier of a finger. |
| screenX | number | X-coordinate of the touch point relative to the left edge of the screen. | | screenX | number | X-coordinate of the touch point relative to the left edge of the screen. |
| screenY | number | Y-coordinate of the touch point relative to the upper edge of the device screen. | | screenY | number | Y-coordinate of the touch point relative to the upper edge of the device screen. |
| x | number | X-coordinate of the touch point relative to the left edge of the element being touched. | | x | number | X-coordinate of the touch point relative to the left edge of the element being touched.|
| y | number | Y-coordinate of the touch point relative to the upper edge of the element being touched. | | y | number | Y-coordinate of the touch point relative to the upper edge of the element being touched.|
## TouchType Enums
| Name | Description |
| ------ | --------------- |
| Down | A finger is pressed. |
| Up | A finger is lifted. |
| Move | A finger moves on the screen in pressed state.|
| Cancel | A touch event is canceled. |
## Example ## Example
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en/application-dev/reference/arkui-ts/ts-universal-mouse-key.md
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# Mouse Event # Mouse Event
If an action triggers multiple events, the order of these events is fixed. By default, mouse events are transmitted transparently.
> **NOTE** > **NOTE**
> >
...@@ -15,44 +16,27 @@ None ...@@ -15,44 +16,27 @@ None
| Name | Bubbling Supported | Description | | Name | Bubbling Supported | Description |
| -------- | -------- | -------- | | -------- | -------- | -------- |
| onHover(callback: (isHover: boolean) =&gt; void) | No | Triggered when the mouse cursor enters or leaves the component.<br/>**isHover**: whether the mouse cursor hovers over the component. The value **true** means that the mouse cursor enters the component, and the value **false** means that the mouse cursor leaves the component. | | onHover(event: (isHover: boolean) =&gt; void) | No | Triggered when the mouse cursor enters or leaves the component.<br/>**isHover**: whether the mouse cursor hovers over the component. The value **true** means that the mouse cursor enters the component, and the value **false** means that the mouse cursor leaves the component. |
| onMouse(callback: (event?: MouseEvent) =&gt; void) | Yes | Triggered when the component is clicked by a mouse button or the mouse cursor moves on the component. The **event** parameter indicates the timestamp, mouse button, action, coordinates of the clicked point on the entire screen, and coordinates of the clicked point relative to the component when the event is triggered. | | onMouse(event: (event?: MouseEvent) =&gt; void) | Yes | Triggered when the component is clicked by a mouse button or the mouse cursor moves on the component. The **event** parameter indicates the timestamp, mouse button, action, coordinates of the clicked point on the entire screen, and coordinates of the clicked point relative to the component when the event is triggered. |
## MouseEvent ## MouseEvent
- Attributes
| Name | Type | Description |
| -------- | -------- | -------- |
| timestamp | number | Timestamp when the event is triggered. |
| screenX | number | X-coordinate of the clicked point relative to the upper left corner of the screen. |
| screenY | number | Y-coordinate of the clicked point relative to the upper left corner of the screen. |
| x | number | X-coordinate of the clicked point relative to the upper left corner of the component. |
| y | number | Y-coordinate of the clicked point relative to the upper left corner of the component. |
| button | [MouseButton](#mousebutton) | Mouse button. |
| action | [MouseAction](#mouseaction) | Event action. |
## MouseButton
| Name | Type | Description |
| -------- | -------- | -------- |
| Left | number | Left mouse button. |
| Right | number | Right mouse button. |
| Middle | number | Middle mouse button. |
| Back | number | Back button on the left of the mouse. |
| Forward | number | Forward button on the left of the mouse. |
| None | number | No button. |
## MouseAction
| Name | Type | Description | | Name | Type | Description |
| -------- | -------- | -------- | | -------- | -------- | -------- |
| Press | number | The mouse button is pressed. | | timestamp | number | Timestamp when the event is triggered. |
| Release | number | The mouse button is released. | | screenX | number | X-coordinate of the clicked point relative to the upper left corner of the screen. |
| Move | number | The mouse cursor moves. | | screenY | number | Y-coordinate of the clicked point relative to the upper left corner of the screen. |
| x | number | X-coordinate of the clicked point relative to the upper left corner of the component. |
| y | number | Y-coordinate of the clicked point relative to the upper left corner of the component. |
| button | [MouseButton](ts-appendix-enums.md#mousebutton) | Mouse button. |
| action | [MouseAction](ts-appendix-enums.md#mouseaction) | Event action. |
| stopPropagation | () => void | Stops the event from bubbling upwards or downwards. |
| timestamp<sup>8+</sup> | number | Timestamp of the event.|
| target<sup>8+</sup> | [EventTarget](ts-universal-events-click.md) | Display area of the element that triggers the gesture event.|
| source<sup>8+</sup> | [SourceType](ts-gesture-settings.md) | Event input device.|
## Example ## Example
```ts ```ts
// xxx.ets // xxx.ets
@Entry @Entry
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