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!23761 【4.0-Beta2】翻译完成 21721+23611+22396+22793+23237+21826+21874+22074：文档整改 

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en/application-dev/quick-start/arkts-page-custom-components-lifecycle.md
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......@@ -178,9 +178,11 @@ In the preceding example, the **Index** page contains two custom components. One
- When **push to next page** is clicked, the **router.pushUrl** API is called to jump to the next page. As a result, the **Index** page is hidden, and the **Index onPageHide** callback is invoked. As the called API is **router.pushUrl**, which results in the Index page being hidden, but not destroyed, only the **onPageHide** callback is invoked. After a new page is displayed, the process of initializing the lifecycle of the new page is executed.
- If **router.replaceUrl** is called, the **Index** page is destroyed. In this case, the execution of lifecycle callbacks changes to: Index onPageHide -> MyComponent aboutToDisappear -> Child aboutToDisappear. As aforementioned, a component is destroyed by directly removing it from the component tree. Therefore, **aboutToDisappear** of the parent component is called first, followed by **aboutToDisAppear** of the child component, and then the process of initializing the lifecycle of the new page is executed.
- If **router.replaceUrl** is called, the **Index** page is destroyed. In this case, the execution of lifecycle callbacks changes to: Index onPageHide -> MyComponent aboutToDisappear -> Child aboutToDisappear. As aforementioned, a component is destroyed by directly removing it from the component tree. Therefore, **aboutToDisappear** of the parent component is called first, followed by **aboutToDisappear** of the child component, and then the process of initializing the lifecycle of the new page is executed.
- When the Back button is clicked, the **Index onBackPress** callback is invoked. When the application is minimized or switched to the background, the **Index onPageHide** callback is invoked. The application is not destroyed in these two states. Therefore, the **aboutToDisappear** callback of the component is not executed. When the application returns to the foreground, the **Index onPageShow** callback is invoked.
- When the Back button is clicked, the **Index onBackPress** callback is invoked, and the current **Index** page is destroyed.
- When the application is minimized or switched to the background, the **Index onPageHide** callback is invoked. As the current **Index** page is not destroyed, **aboutToDisappear** of the component is not executed. When the application returns to the foreground, the **Index onPageShow** callback is invoked.
- When the application exits, the following callbacks are executed in order: Index onPageHide -> MyComponent aboutToDisappear -> Child aboutToDisappear.
en/application-dev/quick-start/har-package.md
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......@@ -5,61 +5,58 @@ A Harmony Archive (HAR) is a static shared package that can contain code, C++ li
You can [create a HAR module in DevEco Studio](https://developer.harmonyos.com/cn/docs/documentation/doc-guides-V3/creating_har_api9-0000001518082393-V3#section143510369612).
To better protect your source code, enable obfuscation for the HAR module so that DevEco Studio compiles, obfuscates, and compresses code during HAR building.
> **NOTE**
>
> Obfuscation is only available for ArkTS projects in the stage model.
### Obfuscation in API Version 9
Whether obfuscation is enabled by default varies by version.
In API version 9, obfuscation is disabled by default, and can be enabled by setting **artifactType** to **obfuscation** in the **build-profile.json5** file of the HAR module. The configuration is as follows:
- In API version 9, obfuscation is disabled by default, and can be enabled by setting **artifactType** to **obfuscation** in the **build-profile.json5** file of the HAR module. The configuration is as follows:
```json
{
"apiType": "stageMode",
"buildOption": {
"artifactType": "obfuscation"
```json
{
"apiType": "stageMode",
"buildOption": {
"artifactType": "obfuscation"
}
}
}
```
The value options of **artifactType** are as follows, with the default value being **original**:
- **original**: Code is not obfuscated.
- **obfuscation**: Code is obfuscated using Uglify.
```
The value options of **artifactType** are as follows, with the default value being **original**:
- **original**: Code is not obfuscated.
- **obfuscation**: Code is obfuscated using Uglify.
### Obfuscation in API Version 10
- In API version 10, obfuscation is enabled by default, and can be set through the **enable** field under **ruleOptions** in the **build-profile.json5** file of the HAR module. The configuration is as follows:
In API version 10, obfuscation is enabled by default, and can be set through the **enable** field under **ruleOptions** in the **build-profile.json5** file of the HAR module. The configuration is as follows:
```json
{
"apiType": "stageMode",
"buildOption": {
},
"buildOptionSet": [
{
"name": "release",
"arkOptions": {
"obfuscation": {
"ruleOptions": {
"enable": true,
"files": [
"./obfuscation-rules.txt"
```json
{
"apiType": "stageMode",
"buildOption": {
},
"buildOptionSet": [
{
"name": "release",
"arkOptions": {
"obfuscation": {
"ruleOptions": {
"enable": true,
"files": [
"./obfuscation-rules.txt"
]
},
"consumerFiles": [
"./consumer-rules.txt"
]
},
"consumerFiles": [
"./consumer-rules.txt"
]
}
}
},
],
"targets": [
{
"name": "default"
}
},
],
"targets": [
{
"name": "default"
}
]
}
```
]
}
```
### Adaptation Guide
The **artifactType** field is forward compatible, and the original function is not affected. Yet, it is deprecated since API version 10, and you are advised to use the substitute as soon as possible.
......
en/application-dev/reference/apis/js-apis-animator.md
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......@@ -257,7 +257,7 @@ Defines animator options.
| Name | Type | Mandatory| Description |
| ---------- | ----------------------------------------------------------- | ---- | ------------------------------------------------------------ |
| duration | number | Yes | Duration for playing the animation, in milliseconds. |
| easing | string | Yes | Animation interpolation curve. Only the following values are supported:<br>**"linear"**: The animation speed keeps unchanged.<br>**"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.<br>**"ease-in"**: 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.<br>**"ease-out"**: The animation ends at a low speed. The cubic-bezier curve (0.0, 0.0, 0.58, 1.0) is used.<br>**"ease-in-out"**: The animation starts and ends at a low speed. The cubic-bezier curve (0.42, 0.0, 0.58, 1.0) is used.<br>**"fast-out-slow-in"**: The animation uses the standard cubic-bezier curve (0.4, 0.0, 0.2, 1.0).<br>**"linear-out-slow-in"**: The animation uses the deceleration cubic-bezier curve (0.0, 0.0, 0.2, 1.0).<br>**"friction"**: The animation uses the damping cubic-bezier curve (0.2, 0.0, 0.2, 1.0).<br>**"extreme-deceleration"**: The animation uses the extreme deceleration cubic-bezier curve (0.0, 0.0, 0.0, 1.0).<br>**"rhythm"**: The animation uses the rhythm cubic-bezier curve (0.7, 0.0, 0.2, 1.0).<br>**"sharp"**: The animation uses the sharp cubic-bezier curve (0.33, 0.0, 0.67, 1.0).<br>**"smooth"**: The animation uses the smooth cubic-bezier curve (0.4, 0.0, 0.4, 1.0).<br>**cubic-bezier(x1, y1, x2, y2)**: The animation uses the defined cubic-bezier curve, where the value of the input parameters must range from 0 to 1.<br>**steps(number, step-position)**: The animation uses a step curve. The **number** must be set and only an integer is supported. **step-position** is optional. It can be set to **start** or **end**. The default value is **end**.|
| easing | string | Yes | Animation interpolation curve. Only the following values are supported:<br>**"linear"**: The animation speed keeps unchanged.<br>**"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.<br>**"ease-in"**: 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.<br>**"ease-out"**: The animation ends at a low speed. The cubic-bezier curve (0.0, 0.0, 0.58, 1.0) is used.<br>**"ease-in-out"**: The animation starts and ends at a low speed. The cubic-bezier curve (0.42, 0.0, 0.58, 1.0) is used.<br>**"fast-out-slow-in"**: The animation uses the standard cubic-bezier curve (0.4, 0.0, 0.2, 1.0).<br>**"linear-out-slow-in"**: The animation uses the deceleration cubic-bezier curve (0.0, 0.0, 0.2, 1.0).<br>**"friction"**: The animation uses the damping cubic-bezier curve (0.2, 0.0, 0.2, 1.0).<br>**"extreme-deceleration"**: The animation uses the extreme deceleration cubic-bezier curve (0.0, 0.0, 0.0, 1.0).<br>**"rhythm"**: The animation uses the rhythm cubic-bezier curve (0.7, 0.0, 0.2, 1.0).<br>**"sharp"**: The animation uses the sharp cubic-bezier curve (0.33, 0.0, 0.67, 1.0).<br>**"smooth"**: The animation uses the smooth cubic-bezier curve (0.4, 0.0, 0.4, 1.0).<br>**"cubic-bezier(x1,y1,x2,y2)"**: The animation uses the defined cubic bezier curve, where the value of **x1** and **x2** must range from 0 to 1. For example, **"cubic-bezier(0.42,0.0,0.58,1.0)"**.<br>**"steps(number,step-position)"**: The animation uses a step curve. The **number** parameter is mandatory and must be set to a positive integer. The **step-position** parameter is optional and can be set to **start** or **end** (default value). For example, **"steps(3,start)"**.|
| delay | number | Yes | Animation delay duration, in milliseconds. Value **0** means that there is no delay. |
| fill | "none" \| "forwards" \| "backwards" \| "both" | Yes | State of the animated target after the animation is executed.<br>**"none"**: No style is applied to the target before or after the animation is executed.<br>**"forwards"**: The target keeps the state at the end of the animation (defined in the last key frame) after the animation is executed.<br>**"backwards"**: The animation uses the value defined in the first key frame during the **animation-delay**. When **animation-direction** is set to **normal** or **alternate**, the value in the **from** key frame is used. When **animation-direction** is set to **reverse** or **alternate-reverse**, the value in the **to** key frame is used.<br>**"both"**: The animation follows the **forwards** and **backwards** rules.|
| direction | "normal" \| "reverse" \| "alternate" \| "alternate-reverse" | Yes | Animation playback mode.<br>**"normal"**: plays the animation in forward loop mode.<br>**"reverse"**: plays the animation in reverse loop mode.<br>**"alternate"**: plays the animation in alternating loop mode. When the animation is played for an odd number of times, the playback is in forward direction. When the animation is played for an even number of times, the playback is in reverse direction.<br>**"alternate-reverse"**: plays the animation in reverse alternating loop mode. When the animation is played for an odd number of times, the playback is in reverse direction. When the animation is played for an even number of times, the playback is in forward direction.|
......
en/application-dev/reference/apis/js-apis-arkui-UIContext.md
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# @ohos.arkui.UIContext (UIContext)
In the stage model, a window stage or window can use the **loadContent** API to load pages, create a UI instance, and render page content to the associated window. Naturally, UI instances and windows are associated on a one-by-one basis. Some global UI APIs are executed in the context of certain UI instances. When calling these APIs, you must identify the UI context, and consequently UI instance, by tracing the call chain. If these APIs are called on a non-UI page or in some asynchronous callback, the current UI context may fail to be identified, resulting in failure in API execution.
In the stage model, a window stage or window can use the **loadContent** API to load pages, create a UI instance, and render page content to the associated window. Naturally, UI instances and windows are associated on a one-by-one basis. Some global UI APIs are executed in the context of certain UI instances. When calling these APIs, you must identify the UI context, and consequently UI instance, by tracing the call chain. If these APIs are called on a non-UI page or in some asynchronous callback, the current UI context may fail to be identified, resulting in API execution errors.
**@ohos.window** adds the [getUIContext](./js-apis-window.md#getuicontext10) API in API version 10 for obtaining the **UIContext** object of a UI instance. The API provided by the **UIContext** object can be directly applied to the corresponding UI instance.
......
en/application-dev/reference/apis/js-apis-matrix4.md
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......@@ -27,7 +27,7 @@ Matrix constructor, which is used to create a 4 x 4 matrix by using the input pa
| Name| Type | Mandatory| Description |
| ------ | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
| option | [number,number,number,number,number,number,number,number,number,number,number,number,number,number,number,number] | Yes | A number array whose length is 16 (4 x 4). For details, see **Description of a 4 x 4 matrix**.<br>Default value:<br>[1,&nbsp;0,&nbsp;0,&nbsp;0,<br>0,&nbsp;1,&nbsp;0,&nbsp;0,<br>0,&nbsp;0,&nbsp;1,&nbsp;0,<br>0,&nbsp;0,&nbsp;0,&nbsp;1] |
| option | [number,number,number,number,<br>number,number,number,number,<br>number,number,number,number,<br>number,number,number,number] | Yes | A number array whose length is 16 (4 x 4). For details, see **4 x 4 matrix description**.<br>Default value:<br>[1, 0, 0, 0,<br>0, 1, 0, 0,<br>0, 0, 1, 0,<br>0, 0, 0, 1] |
**Return value**
......@@ -35,7 +35,7 @@ Matrix constructor, which is used to create a 4 x 4 matrix by using the input pa
| --------------------------------- | ---------------------------- |
| [Matrix4Transit](#matrix4transit) | 4 x 4 matrix object created based on the input parameter.|
**Description of a 4 x 4 matrix**
**4 x 4 matrix description**
| Name | Type | Mandatory | Description |
| ---- | ------ | ---- | -------------------- |
......@@ -150,6 +150,7 @@ import matrix4 from '@ohos.matrix4'
@Component
struct Test {
private matrix1 = matrix4.identity().translate({ x: 100 })
// Perform the scale operation on the copy matrix of matrix1, which does not affect matrix1.
private matrix2 = this.matrix1.copy().scale({ x: 2 })
build() {
......@@ -170,6 +171,132 @@ struct Test {
![en-us_image_0000001219744181](figures/en-us_image_0000001219744181.png)
## matrix4.invert<sup>(deprecated)</sup>
invert(): Matrix4Transit
Inverts this matrix object.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Return value**
| Type | Description |
| --------------------------------- | ---------------------- |
| [Matrix4Transit](#matrix4transit) | Inverse matrix object of the current matrix.|
## matrix4.combine<sup>(deprecated)</sup>
combine(options: Matrix4Transit): Matrix4Transit
Combines the effects of two matrices to generate a new matrix object.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | --------------------------------- | ---- | ------------------ |
| option | [Matrix4Transit](#matrix4transit) | Yes | Matrix object to be combined.|
**Return value**
| Type | Description |
| --------------------------------- | ---------------------- |
| [Matrix4Transit](#matrix4transit) | Inverse matrix object of the current matrix.|
## matrix4.translate<sup>(deprecated)</sup>
translate(options: TranslateOption): Matrix4Transit
Translates this matrix object along the x, y, and z axes.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ----------------------------------- | ---- | -------------- |
| option | [TranslateOption](#translateoption) | Yes | Translation configuration.|
**Return value**
| Type | Description |
| --------------------------------- | ---------------------- |
| [Matrix4Transit](#matrix4transit) | Inverse matrix object of the current matrix.|
## matrix4.scale<sup>(deprecated)</sup>
scale(options: ScaleOption): Matrix4Transit
Scales this matrix object along the x, y, and z axes.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | --------------------------- | ---- | -------------- |
| option | [ScaleOption](#scaleoption) | Yes | Scaling configuration.|
**Return value**
| Type | Description |
| --------------------------------- | ---------------------- |
| [Matrix4Transit](#matrix4transit) | Inverse matrix object of the current matrix.|
## matrix4.rotate<sup>(deprecated)</sup>
rotate(options: RotateOption): Matrix4Transit
Rotates this matrix object along the x, y, and z axes.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ----------------------------- | ---- | -------------- |
| option | [RotateOption](#rotateoption) | Yes | Rotation configuration.|
**Return value**
| Type | Description |
| --------------------------------- | ---------------------- |
| [Matrix4Transit](#matrix4transit) | Inverse matrix object of the current matrix.|
## matrix4.transformPoint<sup>(deprecated)</sup>
transformPoint(options: [number, number]): [number, number]
Applies the current transformation effect to a coordinate point.
This API is deprecated since API version 10.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ---------------- | ---- | ------------------ |
| option | [number, number] | Yes | Point to be transformed.|
**Return value**
| Type | Description |
| ---------------- | --------------------------- |
| [number, number] | Point object after matrix transformation|
## Matrix4Transit
......@@ -179,7 +306,7 @@ struct Test {
combine(options: Matrix4Transit): Matrix4Transit
Combines the effects of two matrices to generate a new matrix object.
Combines the effects of two matrices to generate a new matrix object. The original matrix that calls this API will be changed.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
......@@ -204,8 +331,8 @@ import matrix4 from '@ohos.matrix4'
@Entry
@Component
struct Test {
private matrix1 = matrix4.identity().translate({ x: 200 }).copy()
private matrix2 = matrix4.identity().scale({ x: 2 }).copy()
private matrix1 = matrix4.identity().translate({ x: 200 })
private matrix2 = matrix4.identity().scale({ x: 2 })
build() {
Column() {
......@@ -216,7 +343,7 @@ struct Test {
.margin({ top: 50 })
// Translate the x-axis by 200px, and then scale it twice to obtain the resultant matrix.
Image($r("app.media.icon"))
.transform(this.matrix1.combine(this.matrix2))
.transform(this.matrix1.copy().combine(this.matrix2))
.width("40%")
.height(100)
.margin({ top: 50 })
......@@ -232,7 +359,7 @@ struct Test {
invert(): Matrix4Transit
Inverts this matrix object.
Inverts this matrix object. The original matrix that calls this API will be changed.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
......@@ -248,7 +375,7 @@ Inverts this matrix object.
import matrix4 from '@ohos.matrix4'
// The effect of matrix 1 (width scaled up by 2x) is opposite to that of matrix 2 (width scaled down by 2x).
let matrix1 = matrix4.identity().scale({ x: 2 })
let matrix2 = matrix1.invert()
let matrix2 = matrix1.copy().invert()
@Entry
@Component
......@@ -275,7 +402,7 @@ struct Tests {
translate(options: TranslateOption): Matrix4Transit
Translates this matrix object along the x, y, and z axes.
Translates this matrix object along the x, y, and z axes. The original matrix that calls this API will be changed.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
......@@ -320,7 +447,7 @@ struct Test {
scale(options: ScaleOption): Matrix4Transit
Scales this matrix object along the x, y, and z axes.
Scales this matrix object along the x, y, and z axes. The original matrix that calls this API will be changed.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
......@@ -330,7 +457,6 @@ Scales this matrix object along the x, y, and z axes.
| ------ | --------------------------- | ---- | -------------- |
| option | [ScaleOption](#scaleoption) | Yes | Scaling configuration.|
**Return value**
| Type | Description |
......@@ -365,7 +491,7 @@ struct Test {
rotate(options: RotateOption): Matrix4Transit
Rotates this matrix object along the x, y, and z axes.
Rotates this matrix object along the x, y, and z axes. The original matrix that calls this API will be changed.
**System capability**: SystemCapability.ArkUI.ArkUI.Full
......@@ -375,7 +501,6 @@ Rotates this matrix object along the x, y, and z axes.
| ------ | ----------------------------- | ---- | -------------- |
| option | [RotateOption](#rotateoption) | Yes | Rotation configuration.|
**Return value**
| Type | Description |
......@@ -480,9 +605,9 @@ struct Test {
| Name | Type | Mandatory| Description |
| ------- | ------ | ---- | ------------------------------------------------------------ |
| x | number | No | Scaling multiple along the x-axis. If the value is greater than 1, the image is scaled up along the x-axis. If the value is less than 1, the image is scaled down along the x-axis.<br>Default value: **1**<br>Value range: [0, +∞)<br>**NOTE**<br>A value less than 0 evaluates to the default value.|
| y | number | No | Scaling multiple along the y-axis. If the value is greater than 1, the image is scaled up along the y-axis. If the value is less than 1, the image is scaled down along the y-axis.<br>Default value: **1**<br>Value range: [0, +∞)<br>**NOTE**<br>A value less than 0 evaluates to the default value.|
| z | number | No | Scaling multiple along the z-axis. If the value is greater than 1, the image is scaled up along the z-axis. If the value is less than 1, the image is scaled down along the z-axis.<br>Default value: **1**<br>Value range: [0, +∞)<br>**NOTE**<br>A value less than 0 evaluates to the default value.|
| x | number | No | Scaling multiple along the x-axis. x > 1: The image is scaled up along the x-axis.<br>0 < x < 1: The image is scaled down along the x-axis.<br>x < 0: The image is scaled in the reverse direction of the x-axis.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| y | number | No | Scaling multiple along the y-axis. y > 1: The image is scaled up along the y-axis.<br>0 < y < 1: The image is scaled down along the y-axis.<br>y < 0: The image is scaled in the reverse direction of the y-axis.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| z | number | No | Scaling multiple along the z-axis. z > 1: The image is scaled up along the z-axis.<br>0 < z < 1: The image is scaled down along the z-axis.<br>z < 0: The image is scaled in the reverse direction of the z-axis.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| centerX | number | No | X coordinate of the center point.<br>Default value: **0**<br>Value range: (-∞, +∞) |
| centerY | number | No | Y coordinate of the center point.<br>Default value: **0**<br>Value range: (-∞, +∞) |
......@@ -492,9 +617,9 @@ struct Test {
| Name | Type | Mandatory| Description |
| ------- | ------ | ---- | ------------------------------------------------------- |
| x | number | No | X coordinate of the rotation axis vector.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| y | number | No | Y coordinate of the rotation axis vector.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| z | number | No | Z coordinate of the rotation axis vector.<br>Default value: **1**<br>Value range: (-∞, +∞)|
| x | number | No | X coordinate of the rotation axis vector.<br>Default value: **0**<br>Value range: (-∞, +∞)|
| y | number | No | Y coordinate of the rotation axis vector.<br>Default value: **0**<br>Value range: (-∞, +∞)|
| z | number | No | Z coordinate of the rotation axis vector.<br>Default value: **0**<br>Value range: (-∞, +∞)<br>**NOTE**<br>The rotation axis vector is valid only when at least one of **x**, **y**, and **z** is not 0.|
| angle | number | No | Rotation angle.<br>Default value: **0** |
| centerX | number | No | X coordinate of the center point.<br>Default value: **0** |
| centerY | number | No | Y coordinate of the center point.<br>Default value: **0** |
en/application-dev/reference/apis/js-apis-router.md
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......@@ -437,6 +437,8 @@ router.pushNamedRoute({
})
```
For details, see [UI Development-Named Route](../../ui/arkts-routing.md#named-route).
## router.pushNamedRoute<sup>10+</sup>
pushNamedRoute(options: NamedRouterOptions, callback: AsyncCallback&lt;void&gt;): void
......@@ -693,7 +695,7 @@ For details about the error codes, see [Router Error Codes](../errorcodes/errorc
| ID | Error Message|
| --------- | ------- |
| 100001 | if UI execution context not found, only throw in standard system. |
| 100001 | if can not get the delegate, only throw in standard system. |
| 100004 | if the named route is not exist. |
**Example**
......@@ -871,13 +873,15 @@ For details about the error codes, see [Router Error Codes](../errorcodes/errorc
**Example**
```ts
try {
router.showAlertBeforeBackPage({
message: 'Message Info'
});
} catch(error) {
console.error(`showAlertBeforeBackPage failed, code is ${error.code}, message is ${error.message}`);
}
router.showAlertBeforeBackPage({
message: 'Message Info'
})
.then(() => {
// success
})
.catch(err => {
console.error(`showAlertBeforeBackPage failed, code is ${error.code}, message is ${error.message}`);
})
```
## EnableAlertOptions
......@@ -932,7 +936,7 @@ Describes the page routing options.
| Name | Type | Mandatory| Description |
| ------ | ------ | ---- | ------------------------------------------------------------ |
| url | string | Yes | URL of the target page, in either of the following formats:<br>- Absolute path of the page. The value is available in the pages list in the **config.json** file, for example:<br>- pages/index/index<br>- pages/detail/detail<br>- Particular path. If the URL is a slash (/), the home page is displayed.|
| params | object | No | Data that needs to be passed to the target page during redirection. The target page can use **router.getParams()** to obtain the passed parameters, for example, **this.keyValue** (**keyValue** is the value of a key in **params**). In the web-like paradigm, these parameters can be directly used on the target page. If the field specified by **key** already exists on the target page, the passed value of the key will be displayed.|
| params | object | No | Data that needs to be passed to the target page during redirection. The received data becomes invalid when the page is switched to another page. The target page can use **router.getParams()** to obtain the passed parameters, for example, **this.keyValue** (**keyValue** is the value of a key in **params**). In the web-like paradigm, these parameters can be directly used on the target page. If the field specified by **key** already exists on the target page, the passed value of the key will be displayed.<br>**NOTE**<br>The **params** parameter cannot pass objects returned by methods and system APIs, for example, **PixelMap** objects defined and returned by media APIs. To pass such objects, extract from them the basic type attributes to be passed, and then construct objects of the object type.|
> **NOTE**
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en/application-dev/reference/arkui-ts/ts-animatorproperty.md
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| ---------- | ------------------------------------------| ---- | ------------------------------------------------------------ |
| duration | number | No | Animation duration, in ms.<br>Default value: **1000**<br>Unit: ms<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>- The maximum animation duration on an ArkTS widget is 1000 ms.<br>- A value less than 0 evaluates to the value **0**.<br>- Floating-point values will be rounded down to integers. For example, if the value set is 1.2, **1** will be used.|
| tempo | number | No | Animation playback speed. A larger value indicates a higher animation playback speed.<br>The value **0** indicates that no animation is applied.<br>Default value: **1**<br>**NOTE**<br>A value less than 0 evaluates to the value **1**.|
| curve | string \| [Curve](ts-appendix-enums.md#curve) \| [ICurve](../apis/js-apis-curve.md#icurve)<sup>9+</sup> | No | Animation curve. The default curve is linear.<br>Default value: **Curve.Linear**<br>Since API version 9, this API is supported in ArkTS widgets.|
| curve | string \| [Curve](ts-appendix-enums.md#curve) \| [ICurve](../apis/js-apis-curve.md#icurve)<sup>9+</sup> | No | Animation curve.<br>Default value: **Curve.EaseInOut**<br>Since API version 9, this API is supported in ArkTS widgets.|
| delay | number | No | Delay of animation playback, in ms. The value **0** indicates that the playback is not delayed.<br>Default value: **0**<br>Value range: [0, +∞)<br>**NOTE**<br>- A value less than 0 evaluates to the value **0**.<br>- Floating-point values will be rounded down to integers. For example, if the value set is 1.2, **1** will be used.|
| iterations | number | No | Number of times that the animation is played.<br>Default value: **1**<br>Value range: [-1, +∞)<br>**NOTE**<br>The value **-1** indicates that the animation is played for an unlimited number of times. The value **0** indicates that no animation is applied.|
| playMode | [PlayMode](ts-appendix-enums.md#playmode) | No | Animation playback mode. By default, the animation is played from the beginning after the playback is complete.<br>Default value: **PlayMode.Normal**<br>Since API version 9, this API is supported in ArkTS widgets.<br>For details about the restrictions, see **Notes about PlayMode**.|
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en/application-dev/reference/arkui-ts/ts-components-canvas-imagebitmap.md
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| Name| Type| Mandatory| Default Value| Description |
| ------ | -------- | ---- | ------ | ------------------------------------------------------------ |
| src | string | Yes | - | Image source.<br>**NOTE**<br>ArkTS widgets do not support the **http://**, **datashare://**, or **file://data/storage** path prefixes.|
| src | string | Yes | - | Image source. Local images are supported.<br>1. The string format is used to load local images, for example, ImageBitmap("common/images/example.jpg"). The start point of the image loading path is the ets folder.<br>2. Supported image formats: bmp, jpg, png, svg, and webp.<br>**NOTE**<br>ArkTS widgets do not support the strings with the **http://**, **datashare://**, or **file://data/storage**.|
......@@ -24,8 +24,8 @@ Since API version 9, this API is supported in ArkTS widgets.
| Name| Type| Description|
| -------- | -------- | -------- |
| width | number | Pixel width of the **ImageBitmap** object.<br>Since API version 9, this API is supported in ArkTS widgets.|
| height | number | Pixel height of the **ImageBitmap** object.<br>Since API version 9, this API is supported in ArkTS widgets.|
| width | number | Pixel width of the **ImageBitmap** object. The current value is **0**.<br>Since API version 9, this API is supported in ArkTS widgets.|
| height | number | Pixel height of the **ImageBitmap** object. The current value is **0**.<br>Since API version 9, this API is supported in ArkTS widgets.|
**Example**
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......@@ -46,7 +46,7 @@ In addition to the [universal attributes](ts-universal-attributes-size.md), the
| vertical | boolean | Whether vertical swiping is used.<br>Default value: **false** |
| itemSpace | number \| string | Space between child components.<br>Default value: **0**<br>**NOTE**<br>This parameter cannot be set in percentage.|
| displayMode | SwiperDisplayMode | Mode in which elements are displayed along the main axis. This attribute takes effect only when **displayCount** is not set.<br>Default value: **SwiperDisplayMode.Stretch**|
| cachedCount<sup>8+</sup> | number | Number of child components to be cached.<br>Default value: **1**<br>**NOTE**<br>This attribute applies only when the **\<Swiper>** component uses [LazyForEach](../../quick-start/arkts-rendering-control-lazyforeach.md).|
| cachedCount<sup>8+</sup> | number | Number of child components to be cached.<br>Default value: **1**|
| disableSwipe<sup>8+</sup> | boolean | Whether to disable the swipe feature.<br>Default value: **false** |
| curve<sup>8+</sup> | [Curve](ts-appendix-enums.md#curve) \| string | Animation curve. The ease-in/ease-out curve is used by default. For details about common curves, see [Curve](ts-appendix-enums.md#curve). You can also create custom curves (interpolation curve objects) by using the API provided by the [interpolation calculation](../apis/js-apis-curve.md) module.<br>Default value: **Curve.Linear**|
| indicatorStyle<sup>(deprecated)</sup> | {<br>left?: [Length](ts-types.md#length),<br>top?: [Length](ts-types.md#length),<br>right?: [Length](ts-types.md#length),<br>bottom?: [Length](ts-types.md#length),<br>size?: [Length](ts-types.md#length),<br>mask?: boolean,<br>color?: [ResourceColor](ts-types.md),<br>selectedColor?: [ResourceColor](ts-types.md)<br>} | Style of the navigation point indicator.<br>\- **left**: distance between the navigation point indicator and the left edge of the **\<Swiper>** component.<br>\- **top**: distance between the navigation point indicator and the top edge of the **\<Swiper>** component.<br>\- **right**: distance between the navigation point indicator and the right edge of the **\<Swiper>** component.<br>\- **bottom**: distance between the navigation point indicator and the bottom edge of the **\<Swiper>** component.<br>\- **size**: diameter of the navigation point indicator. The value cannot be in percentage. Default value: **6vp**<br>\- **mask**: whether to enable the mask for the navigation point indicator.<br>\- **color**: color of the navigation point indicator.<br>\- **selectedColor**: color of the selected navigation dot.<br>This API is supported since API version 8 and is deprecated since API version 10. You are advised to use [indicator](#indicator10) instead.|
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| -------- | -------- | -------- |
| duration | number | Animation duration, in ms.<br>Default value: **1000**<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>- The maximum animation duration on an ArkTS widget is 1000 ms. If the set value exceeds the limit, the value **1000** will be used.<br>- A value less than 0 evaluates to the value **0**.<br>- Floating-point values will be rounded down to integers. For example, if the value set is 1.2, **1** will be used.|
| tempo | number | 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.<br>Default value: **1.0**<br>**NOTE**<br>A value less than 0 evaluates to the value **1**.|
| curve | [Curve](ts-appendix-enums.md#curve) \| [ICurve](../apis/js-apis-curve.md#icurve) \| string | Animation curve.<br>Default value: **Curve.Linear**<br>Since API version 9, this API is supported in ArkTS widgets.|
| curve | [Curve](ts-appendix-enums.md#curve) \| [ICurve](../apis/js-apis-curve.md#icurve) \| string | Animation curve.<br>Default value: **Curve.EaseInOut**<br>Since API version 9, this API is supported in ArkTS widgets.|
| delay | number | Delay of animation playback, in ms. By default, the playback is not delayed.<br>Default value: **0**<br>**NOTE**<br>- A value less than 0 evaluates to the value **0**.<br>- Floating-point values will be rounded down to integers. For example, if the value set is 1.2, **1** will be used.|
| iterations | number | 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.<br>Default value: **1**|
| playMode | [PlayMode](ts-appendix-enums.md#playmode) | Animation playback mode. By default, the animation is played from the beginning after the playback is complete.<br>Default value: **PlayMode.Normal**<br>Since API version 9, this API is supported in ArkTS widgets.<br>For details about the restrictions, see **Notes about PlayMode**.|
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| ---------------------------- | ---------------------------------------- | ---- | ---------------------------------------- |
| builder | [CustomBuilder](ts-types.md#custombuilder8) | Yes | Popup builder.<br>**NOTE**<br>The **popup** attribute is a universal attribute. A custom popup does not support display of another popup. The **position** attribute cannot be used for the first-layer container under the builder. If the **position** attribute is used, the popup will not be displayed. |
| placement | [Placement](ts-appendix-enums.md#placement8) | No | Preferred position of the popup. If the set position is insufficient for holding the popup, it will be automatically adjusted.<br>Default value: **Placement.Bottom**|
| popupColor | [ResourceColor](ts-types.md#resourcecolor) | No | Color of the popup. |
| popupColor | [ResourceColor](ts-types.md#resourcecolor) | No | Color of the popup.<br>Default value: **'#4d4d4d'**|
| enableArrow | boolean | No | Whether to display an arrow.<br>Since API version 9, if the position set for the popup is not large enough, the arrow will not be displayed. For example, if **placement** is set to **Left**, but the popup height (80 vp) is less than the sum of the arrow width (32 vp) and diameter of popup rounded corner (48 vp), the arrow will not be displayed.<br>Default value: **true**|
| autoCancel | boolean | No | Whether to automatically close the popup when an operation is performed on the page.<br>Default value: **true** |
| onStateChange | (event: { isVisible: boolean }) =&gt; void | No | Callback for the popup status change event.<br/>**isVisible**: whether the popup is visible. |
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## Events
| Name | Bubbling Supported| Description |
| ---------------------------------------- | ---- | ---------------------------------------- |
| onAreaChange(event: (oldValue: [Area](ts-types.md#area8), newValue: [Area](ts-types.md#area8)) =&gt; void) | No | Triggered when the component area changes in size or position due to layout updates. This event is not triggered for render attribute changes caused by re-rendering, such as changes of **translate** and **offset**.|
| Name | Bubbling Supported| Description |
| ------------------------------------------------------------ | -------- | ------------------------------------------------------------ |
| onAreaChange(event: (oldValue: [Area](ts-types.md#area8), newValue: [Area](ts-types.md#area8)) =&gt; void) | No | Triggered when the component area changes in size or position due to layout updates. This event is not triggered for render attribute changes caused by re-rendering, such as changes of **translate** and **offset**.<br>- [Area](ts-types.md#area8): returns the target width and height of the component and the target coordinates of the component relative to the parent component and the upper left corner of the page.|
## Example
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- Local resources
To load local images, create an **ets** folder and place the local images in any position in the folder. Then, in the **\<Image>** component, set **src** to the local image path, with the root directory being the **ets** folder.
To load local images, create an **ets** folder and place the local images in any position in the folder.
Then, in the **\<Image>** component, set **src** to the local image path, with the root directory being the **ets** folder.
```ts
Image('images/view.jpg')
Image('images/view.jpg')
.width(200)
```
- Online resources
To use online images, first apply for the **ohos.permission.INTERNET** permission. For details, see [Applying for Permissions](../security/accesstoken-guidelines.md). Then, in the **\<Image>** component, set **src** to the URL of the online image.
......@@ -46,9 +48,9 @@ Image('images/view.jpg')
**Resource** objects can be used to import images across bundles and modules.
To load **Resource** objects, place images in the **resources** folder, which can then be read and converted to the **Resource** objects through **$r**.
To load **Resource** objects, place images in the **resources** folder, which can be read and converted to the **Resource** objects through **$r**.
**Figure 1** resources folder
**Figure 1** resources folder
![image-resource](figures/image-resource.jpg)
......@@ -75,17 +77,15 @@ Image('images/view.jpg')
To load images from the media library, use a path string that starts with **file://**.
1. Call the API to obtain the image URL in the media library.
​
```ts
import picker from '@ohos.file.picker';
@Entry
@Component
struct Index {
@State imgDatas: string[] = [];
// Obtain the image URL set.
getAllImg() {
let photoPicker = new picker.PhotoViewPicker();
let result = new Array<string>();
try {
let PhotoSelectOptions = new picker.PhotoSelectOptions();
......@@ -101,7 +101,7 @@ Image('images/view.jpg')
} catch (err) {
console.error(`PhotoViewPicker failed with. Code: ${err.code}, message: ${err.message}`); }
}
// Call the preceding function in aboutToAppear to obtain the image URL set and store the URLs in imgDatas.
async aboutToAppear() {
this.getAllImg();
......@@ -121,8 +121,8 @@ Image('images/view.jpg')
}
}
```
2. Check the format of the URL obtained from the media library:
​
```ts
Image('file://media/Photos/5')
.width(200)
......@@ -150,14 +150,12 @@ A pixel map is a pixel image obtained after image decoding. For details, see [Im
Request an online image and implement transcoding to generate a pixel map.
1. Reference the network and media library access permissions.
​
```ts
import http from '@ohos.net.http';
import ResponseCode from '@ohos.net.http';
import image from '@ohos.multimedia.image';
```
2. Enter the online image address.
​
```ts
http.createHttp().request("https://www.example.com/xxx.png",
(error, data) => {
......@@ -168,25 +166,25 @@ A pixel map is a pixel image obtained after image decoding. For details, see [Im
}
)
```
3. Transcode the data returned by the online image address to a pixel map.
​
3. Transcode the data returned by the online image address to a pixel map.
```ts
let code = data.responseCode;
if(ResponseCode.ResponseCode.OK === code) {
let imageSource = image.createImageSource(data.result);
if (ResponseCode.ResponseCode.OK === code) {
let res: any = data.result
let imageSource = image.createImageSource(res);
let options = {
alphaType: 0, // Alpha type.
editable: false, // Whether the image is editable.
pixelFormat: 3, // Pixel format.
scaleMode: 1, // Scale mode.
size: {height: 100, width: 100}
} // Image size.
imageSource.createPixelMap(options).then((pixelMap) => {
alphaType: 0, // Alpha type.
editable: false, // Whether the image is editable.
pixelFormat: 3, // Pixel format.
scaleMode: 1, // Scale mode.
size: { height: 100, width: 100 }
} // Image size.
imageSource.createPixelMap(options).then((pixelMap) => {
this.image = pixelMap
})
})
}
```
4. Display the image.
​
```ts
Button ("Get Online Image")
.onClick(() => {
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en/application-dev/ui/arkts-layout-development-create-list.md
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......@@ -46,7 +46,7 @@ When used in horizontal layout, the list can contain one or more scrollable rows
The main axis direction of a list refers to the direction in which the child component columns are laid out and in which the list scrolls. An axis perpendicular to the main axis is referred to as a cross axis, and the direction of the cross axis is perpendicular to a direction of the main axis.
As shown below, the main axis of a vertical list is in the vertical direction, and the cross axis is in the horizontal direction. The main axis of a horizontal list is in the horizontal direction, and the cross axis is in the horizontal direction.
As shown below, the main axis of a vertical list is in the vertical direction, and the cross axis is in the horizontal direction. The main axis of a horizontal list is in the horizontal direction, and the cross axis is in the vertical direction.
**Figure 4** Main axis and cross axis of the list
......@@ -615,7 +615,7 @@ struct MessageList {
## Adding a Mark to a List Item
A mark is an intuitive, unintrusive visual indicator to draw attention and convey a specific message. For example, when a new message is received in the message list, a mark is displayed in the upper right corner of the contact's profile picture, indicating that there is a new message from that contact, as shown in the following figure.
A mark is an intuitive, unobtrusive visual indicator to draw attention and convey a specific message. For example, when a new message is received in the message list, a mark is displayed in the upper right corner of the contact's profile picture, indicating that there is a new message from that contact, as shown in the following figure.
**Figure 16** Adding a mark to a list item
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......@@ -76,7 +76,7 @@ Row({ space: 35 }) {
In the layout container, use the **alignItems** attribute to set the alignment mode of child elements along the cross axis. The alignment performance is consistent across screens of various sizes. The value is of the [VerticalAlign Type](../reference/arkui-ts/ts-appendix-enums.md#verticalalign) type when the cross axis is in the vertical direction and the [HorizontalAlign](../reference/arkui-ts/ts-appendix-enums.md#horizontalalign) type when the cross axis is in the horizontal direction.
The layout container also provides the **alignSelf** attribute to control the alignment mode of a single child element along the main axis. This attribute has a higher priority than the **alignItems** attribute. This means that, if **alignSelf** is set, it will overwrite the **alignItems** setting on the corresponding child element.
The layout container also provides the **alignSelf** attribute to control the alignment mode of a single child element along the cross axis. This attribute has a higher priority than the **alignItems** attribute. This means that, if **alignSelf** is set, it will overwrite the **alignItems** setting on the corresponding child element.
### Horizontal Alignment of Layout Child Elements in \<Column> Container
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### Setting the Anchor
By setting the anchor, you set a position dependency relationship between a child element and its parent element or sibling elements. In the horizontal direction, you can set the left, middle, and right anchors. In the vertical direction, you can set the top, center, and bottom anchors. To specify anchors, you must set IDs for the **\<RelativeContainer>** component and its child elements. The default ID is **container**. The ID is set through the **id** attribute. Child elements whose IDs are not set are not displayed in the **\<RelativeContainer>** component.
By setting the anchor, you set a position dependency relationship between a child element and its parent element or sibling elements. In the horizontal direction, you can set the left, middle, and right anchors. In the vertical direction, you can set the top, center, and bottom anchors. To specify anchors, you must set IDs for the **\<RelativeContainer>** component and its child elements. The default ID is **__container__**. The ID is set through the **id** attribute. Child elements whose IDs are not set are not displayed in the **\<RelativeContainer>** component.
>**NOTE**
>
>When using anchors, pay attention to the relative positions of child elements to avoid misplacement or blocking.
- The ID of the **\<RelativeContainer>** parent component is **container**.
- The ID of the **\<RelativeContainer>** parent component is **__container__**.
```ts
RelativeContainer() {
......@@ -81,7 +81,7 @@ Alignment modes in the horizontal direction can be left, center, or right, achie
![alignment-relative-anchor-horizontal](figures/alignment-relative-anchor-horizontal.png)
Alignment modes in the vertical direction can be top, center, or bottom, achieved by the **HorizontalAlign.Top**, **HorizontalAlign.Center**, and **HorizontalAlign.Bottom** attributes, respectively.
Alignment modes in the vertical direction can be top, center, or bottom, achieved by the **VerticalAlign.Top**, **VerticalAlign.Center**, and **VerticalAlign.Bottom** attributes, respectively.
![alignment-relative-anchor-vertical](figures/alignment-relative-anchor-vertical.png)
......@@ -114,7 +114,7 @@ struct Index {
.height(100).width(100)
.alignRules({
top: { anchor: 'row1', align: VerticalAlign.Bottom }, // Use row1 as the anchor and align with its bottom vertically.
left: { anchor: 'row1', align: HorizontalAlign.Start } // Use row1 as the anchor and align with its left horizontally.
left: { anchor: 'row1', align: HorizontalAlign.Start } // Use row1 as the anchor and align with its start edge horizontally.
})
.id('row2') // Set the anchor to row2.
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......@@ -276,7 +276,7 @@ function onBackClick(): void {
The **router.showAlertBeforeBackPage()** API receives an object as a parameter. The object contains the following attributes:
**message**: content of the dialog box. The value is of the string type.
If the API is successfully called, the confirmation dialog box is displayed on the target page. Otherwise, an exception is thrown and the error code and error information is obtained through **err.code** and **err.message**.
If the API is called successfully, the confirmation dialog box is displayed on the target page. Otherwise, an exception is thrown and the error code and error information is obtained through **err.code** and **err.message**.
When the user clicks the back button, a confirmation dialog box is displayed, prompting the user to confirm their operation. If the user selects Cancel, the application stays on the current page. If the user selects OK, the **router.back()** API is triggered and the redirection is performed based on the parameters.
......@@ -342,6 +342,7 @@ In the target page in the [shared package](../quick-start/shared-guide.md), name
```ts
// library/src/main/ets/pages/Index.ets
// library is the custom name of the new shared package.
@Entry({ routeName : 'myPage' })
@Component
struct MyComponent {
......@@ -353,7 +354,7 @@ When the configuration is successful, import the named route page to the page fr
```ts
// entry/src/main/ets/pages/Index.ets
import router from '@ohos.router';
import 'library/src/main/ets/Index.ets' // Import the named route page from the shared package library.
import'library/src/main/ets/pages/Index' // Import the named route page from the library of the shared package.
@Entry
@Component
......
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