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en/application-dev/reference/apis/js-apis-Bundle.md
浏览文件 @ 4ae2e467
# Bundle Module (JavaScript SDK APIs)
# Bundle
> **NOTE**<br>
> **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.
> API version 9 is a canary version for trial use. The APIs of this version may be unstable.
## Modules to Import
......@@ -15,11 +16,11 @@ SystemCapability.BundleManager.BundleFramework
## Required Permissions
| Required Permissions | Permission Level | Description |
| ---------------------------------------- | ------------ | --------- |
| ohos.permission.GET_BUNDLE_INFO | normal | Permission to query information about the current application.|
| Required Permissions | Permission Level | Description |
| ------------------------------------------ | ------------ | ------------------ |
| ohos.permission.GET_BUNDLE_INFO | normal | Permission to query information about the current application. |
| ohos.permission.GET_BUNDLE_INFO_PRIVILEGED| system_basic | Permission to query information about all applications.|
| ohos.permission.INSTALL_BUNDLE | system_core | Permission to install or uninstall applications. |
| ohos.permission.INSTALL_BUNDLE | system_core | Permission to install or uninstall applications. |
## bundle.getApplicationInfo
......@@ -69,7 +70,7 @@ bundle.getApplicationInfo(bundleName, bundleFlags, userId)
getApplicationInfo(bundleName: string, bundleFlags: number, userId: number, callback: AsyncCallback\<ApplicationInfo>): void
Obtains the application information based on a given bundle name. This API uses an asynchronous callback to return the result.
Obtains the application information of the specified user based on a given bundle name. This API uses an asynchronous callback to return the result.
**Required permissions**
......@@ -143,9 +144,9 @@ bundle.getApplicationInfo(bundleName, bundleFlags, (err, data) => {
## bundle.getAllBundleInfo
getAllBundleInfo(bundleFlag: BundleFlag, userId?: number): Promise\<Array\<BundleInfo>>
getAllBundleInfo(bundleFlag: BundleFlag, userId?: number): Promise<Array\<BundleInfo>>
Obtains the information of all available bundles of a specified user in the system. This API uses a promise to return the result.
Obtains the information of all available bundles of the specified user in the system. This API uses a promise to return the result.
**Required permissions**
......@@ -166,7 +167,7 @@ SystemCapability.BundleManager.BundleFramework
| Type | Description |
| --------------------------- | -------------------------- |
| Promise\<Array\<[BundleInfo](js-apis-bundle-BundleInfo.md)>> | Promise used to return the information of all available bundles.|
| Promise<Array\<[BundleInfo](js-apis-bundle-BundleInfo.md)>> | Promise used to return the information of all available bundles.|
**Example**
......@@ -185,7 +186,7 @@ bundle.getAllBundleInfo(bundleFlag, userId)
## bundle.getAllBundleInfo
getAllBundleInfo(bundleFlag: BundleFlag, callback: AsyncCallback\<Array\<BundleInfo>>): void
getAllBundleInfo(bundleFlag: BundleFlag, callback: AsyncCallback<Array\<BundleInfo>>): void
Obtains the information of all available bundles in the system. This API uses an asynchronous callback to return the result.
......@@ -220,9 +221,9 @@ bundle.getAllBundleInfo(bundleFlag, (err, data) => {
## bundle.getAllBundleInfo
getAllBundleInfo(bundleFlag: BundleFlag, userId: number, callback: AsyncCallback\<Array\<BundleInfo>>): void
getAllBundleInfo(bundleFlag: BundleFlag, userId: number, callback: AsyncCallback<Array\<BundleInfo>>): void
Obtains the information of all available bundles in the system. This API uses an asynchronous callback to return the result.
Obtains the information of all available bundles of the specified user in the system. This API uses an asynchronous callback to return the result.
**Required permissions**
......@@ -238,7 +239,7 @@ SystemCapability.BundleManager.BundleFramework
| ---------- | --------------------------------- | ---- | --------------------------------------- |
| bundleFlag | BundleFlag | Yes | Type of information that will be returned. The default value is **0**. The value must be greater than or equal to 0.|
| userId | number | Yes | User ID. The default value is the user ID of the caller. The value must be greater than or equal to 0. |
| callback | AsyncCallback\<Array\<[BundleInfo](js-apis-bundle-BundleInfo.md)>> | Yes | Callback used to return the information of all available bundles. |
| callback | AsyncCallback<Array\<[BundleInfo](js-apis-bundle-BundleInfo.md)>> | Yes | Callback used to return the information of all available bundles. |
**Example**
......@@ -343,7 +344,7 @@ bundle.getBundleInfo(bundleName, bundleFlags, (err, data) => {
getBundleInfo(bundleName: string, bundleFlags: number, options: BundleOptions, callback: AsyncCallback\<BundleInfo>): void
Obtains the bundle information based on a given bundle name. This API uses an asynchronous callback to return the result.
Obtains the bundle information based on a given bundle name and bundle options. This API uses an asynchronous callback to return the result.
**Required permissions**
......@@ -718,10 +719,6 @@ isAbilityEnabled(info: AbilityInfo): Promise\<boolean>
Checks whether the ability that matches a given **AbilityInfo** object is enabled. This API uses a promise to return the result.
**Required permissions**
None
**System capability**
SystemCapability.BundleManager.BundleFramework
......@@ -759,10 +756,6 @@ isAbilityEnabled(info : AbilityInfo, callback : AsyncCallback\<boolean>): void
Checks whether the ability that matches a given **AbilityInfo** object is enabled. This API uses an asynchronous callback to return the result.
**Required permissions**
None
**System capability**
SystemCapability.BundleManager.BundleFramework
......@@ -796,10 +789,6 @@ isApplicationEnabled(bundleName: string): Promise\<boolean>
Checks whether an application is enabled based on a given bundle name. This API uses a promise to return the result.
**Required permissions**
None
**System capability**
SystemCapability.BundleManager.BundleFramework
......@@ -834,10 +823,6 @@ isApplicationEnabled(bundleName: string, callback : AsyncCallback\<boolean>): vo
Checks whether an application is enabled based on a given bundle name. This API uses an asynchronous callback to return the result.
**Required permissions**
None
**System capability**
SystemCapability.BundleManager.BundleFramework
......@@ -911,9 +896,13 @@ bundle.queryAbilityByWant(want, bundleFlags, userId)
## bundle.queryAbilityByWant
queryAbilityByWant(want: Want, bundleFlags: number, userId: number, callback: AsyncCallback\<Array\<AbilityInfo>>): void
queryAbilityByWant(want: Want, bundleFlags: number, userId: number, callback: AsyncCallback<Array\<AbilityInfo>>): void
Obtains the ability information based on a given want. This API uses an asynchronous callback to return the result.
Obtains the ability information of the specified user based on a given want. This API uses an asynchronous callback to return the result.
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
......@@ -923,7 +912,7 @@ SystemCapability.BundleManager.BundleFramework
| Name | Type | Mandatory | Description |
| ----------- | ---------------------------------- | ---- | ------------------------------------- |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| want | [Want](js-apis-application-Want.md)| Yes | Want that contains the bundle name. |
| bundleFlags | number | Yes | Ability information to be returned. The default value is **0**. The value must be greater than or equal to 0.|
| userId | number | Yes | User ID. The default value is the user ID of the caller. The value must be greater than or equal to 0. |
| callback | AsyncCallback<Array\<[AbilityInfo](js-apis-bundle-AbilityInfo.md)>> | Yes | Callback used to return the ability information. |
......@@ -952,6 +941,10 @@ queryAbilityByWant(want: Want, bundleFlags: number, callback: AsyncCallback<Arra
Obtains the ability information based on a given want. This API uses an asynchronous callback to return the result.
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
SystemCapability.BundleManager.BundleFramework
......@@ -960,7 +953,7 @@ SystemCapability.BundleManager.BundleFramework
| Name | Type | Mandatory | Description |
| ----------- | ---------------------------------- | ---- | ------------------------------------- |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| want | [Want](js-apis-application-Want.md)| Yes | Want that contains the bundle name. |
| bundleFlags | number | Yes | Ability information to be returned. The default value is **0**. The value must be greater than or equal to 0.|
| callback | AsyncCallback<Array\<[AbilityInfo](js-apis-bundle-AbilityInfo.md)>> | Yes | Callback used to return the ability information. |
......@@ -1127,7 +1120,7 @@ Obtains the [PixelMap](js-apis-image.md) of the icon corresponding to a given bu
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED, ohos.permission.GET_BUNDLE_INFO
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
......@@ -1166,7 +1159,7 @@ Obtains the [PixelMap](js-apis-image.md) of the icon corresponding to a given bu
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED, ohos.permission.GET_BUNDLE_INFO
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
......@@ -1203,7 +1196,7 @@ Obtains the Extension ability information based on a given want. This API uses a
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED, ohos.permission.GET_BUNDLE_INFO
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
......@@ -1214,7 +1207,7 @@ SystemCapability.BundleManager.BundleFramework
| Name | Type | Mandatory | Description |
| -------------- | ------ | ---- | ---------------------------------------- |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0.|
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0. |
| userId | number | No | User ID. The default value is the user ID of the caller. The value must be greater than or equal to 0. |
**Return value**
......@@ -1246,11 +1239,11 @@ bundle.queryExtensionAbilityInfosByWant(want, extensionFlags, userId)
queryExtensionAbilityInfosByWant(want: Want, extensionFlags: number, userId: number, callback: AsyncCallback<Array\<ExtensionAbilityInfo>>): void
Obtains the Extension ability information based on a given want. This API uses an asynchronous callback to return the result.
Obtains the Extension ability information of the specified user based on a given want. This API uses an asynchronous callback to return the result.
**Required permissions**
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED, ohos.permission.GET_BUNDLE_INFO
ohos.permission.GET_BUNDLE_INFO_PRIVILEGED or ohos.permission.GET_BUNDLE_INFO
**System capability**
......@@ -1258,12 +1251,12 @@ SystemCapability.BundleManager.BundleFramework
**Parameters**
| Name | Type | Mandatory | Description |
| -------------- | ---------------------------------------- | ---- | ---------------------------------------- |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0.|
| userId | number | Yes | User ID. The default value is the user ID of the caller. The value must be greater than or equal to 0. |
| callback | AsyncCallback<Array\<[ExtensionAbilityInfo](js-apis-bundle-ExtensionAbilityInfo.md)>> | Yes | Callback used to return the Extension ability information. |
| Name | Type | Mandatory| Description |
| -------------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0. |
| userId | number | Yes | User ID. The default value is the user ID of the caller. The value must be greater than or equal to 0. |
| callback | AsyncCallback<Array\<[ExtensionAbilityInfo](js-apis-bundle-ExtensionAbilityInfo.md)>> | Yes | Callback used to return the Extension ability information. |
**Example**
......@@ -1301,8 +1294,8 @@ SystemCapability.BundleManager.BundleFramework
| Name | Type | Mandatory | Description |
| -------------- | ---------------------------------------- | ---- | ---------------------------------------- |
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0.|
| want | [Want](js-apis-application-Want.md) | Yes | Want that contains the bundle name. |
| extensionFlags | number | Yes | Extension ability information to be returned. The default value is **0**. The value must be greater than or equal to 0. |
| callback | AsyncCallback<Array\<[ExtensionAbilityInfo](js-apis-bundle-ExtensionAbilityInfo.md)>> | Yes | Callback used to return the Extension ability information. |
**Example**
......@@ -1369,7 +1362,7 @@ Enumerates bundle flags.
| GET_ABILITY_INFO_SYSTEMAPP_ONLY<sup>8+</sup> | 0x00000080 | Obtains the ability information of system applications.|
| GET_ABILITY_INFO_WITH_DISABLE<sup>8+</sup> | 0x00000100 | Obtains information about disabled abilities. |
| GET_APPLICATION_INFO_WITH_DISABLE<sup>8+</sup> | 0x00000200 | Obtains information about disabled applications. |
| GET_ALL_APPLICATION_INFO | 0xFFFF0000 | Obtains all application information. |
| GET_ALL_APPLICATION_INFO | 0xFFFF0000 | Obtains all application information. |
## BundleOptions
......@@ -1403,10 +1396,10 @@ Enumerates display orientations.
| Name | Type | Description |
| ------------- | ---- | ------------- |
| UNSPECIFIED | None | The system automatically determines the display orientation. |
| UNSPECIFIED | None | Unspecified display orientation. |
| LANDSCAPE | None | Landscape orientation. |
| PORTRAIT | None | Portrait orientation. |
| FOLLOW_RECENT | None | The page ability orientation is the same as that of the nearest ability in the stack.|
| FOLLOW_RECENT | None | Orientation same as that of the nearest ability in the stack.|
## LaunchMode
......@@ -1438,7 +1431,7 @@ Enumerates Extension ability types.
| Name | Type | Description |
| ------------------------------ | ---- | ------------------------- |
| FORM<sup>9+</sup> | 0 | Form included. |
| FORM<sup>9+</sup> | 0 | Form (widget) included. |
| WORK_SCHEDULER<sup>9+</sup> | 1 | Work scheduler included.|
| INPUT_METHOD<sup>9+</sup> | 2 | Input method included. |
| SERVICE<sup>9+</sup> | 3 | Service included. |
......@@ -1484,3 +1477,4 @@ Enumerates permission grant states.
| ------------------ | ---- | ---- |
| PERMISSION_DENIED | -1 | Permission denied.|
| PERMISSION_GRANTED | 0 | Permission granted. |
en/application-dev/reference/apis/js-apis-zlib.md
浏览文件 @ 4ae2e467
# Zip
> **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.
## Constraints
None
## Modules to Import
......@@ -9,18 +14,19 @@ import zlib from '@ohos.zlib';
```
## zlib.zipFile
zipFile(inFile:string, outFile:string, options: Options): Promise\<void>
zipFile(inFile:string, outFile:string, options: Options): Promise&lt;void&gt;
Zips a file. This API uses a promise to return the result.
**System capability**: SystemCapability.BundleManager.Zlib
**Parameters**
| Name | Type | Mandatory| Description |
| ------- | ----------------------------------- | ---- | ------------------------------------------- |
| inFile | string | Yes | Path of the folder or file to zip. |
| outFile | string | Yes | Path of the zipped file. The file name extension is .zip.|
| options | [Options](#options)| No | Optional parameters for the zip operation. |
| Name | Type | Mandatory| Description |
| ------- | ------------------- | ---- | ------------------------------------------------------------ |
| inFile | string | Yes | Path of the folder or file to zip. For details about the path, see [FA Model](js-apis-Context.md) and [Stage Model](js-apis-application-context.md).|
| outFile | string | Yes | Path of the zipped file. The file name extension is .zip. |
| options | [Options](#options) | No | Optional parameters for the zip operation. |
**Return value**
......@@ -36,17 +42,14 @@ Zips a file. This API uses a promise to return the result.
import zlib from '@ohos.zlib'
var inFile = "/xxx/filename.xxx";
var outFile = "/xxx/xxx.zip";
var options = {};
options.level = zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION;
options.memLevel = zlib.MemLevel.MEM_LEVEL_DEFAULT;
options.strategy = zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY;
var options = {
level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION,
memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT,
strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib.zipFile(inFile, outFile, options).then((data) => {
if (data == zlib.ErrorCode.ERROR_CODE_OK) {
console.log("zipFile OK");
} else {
console.log("zipFile NG");
}
console.log("zipFile result: " + data);
}).catch((err)=>{
console.log("catch((err)=>" + err);
});
......@@ -60,17 +63,14 @@ zlib.zipFile(inFile, outFile, options).then((data) => {
import zlib from '@ohos.zlib'
var inFile = "/xxx/xxx";
var outFile = "/xxx/xxx.zip";
var options = {};
options.level = zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION;
options.memLevel = zlib.MemLevel.MEM_LEVEL_DEFAULT;
options.strategy = zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY;
zlib.zipFile(inFile , unzipDir, options).then((data) => {
if (data == zlib.ErrorCode.ERROR_CODE_OK) {
console.log("zipFile OK");
} else {
console.log("zipFile NG");
}
var options = {
level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION,
memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT,
strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib.zipFile(inFile , outFile, options).then((data) => {
console.log("zipFile result: " + data);
}).catch((err)=>{
console.log("catch((err)=>" + err);
});
......@@ -78,7 +78,7 @@ zlib.zipFile(inFile , unzipDir, options).then((data) => {
## zlib.unzipFile
unzipFile(inFile:string, outFile:string, options: Options): Promise\<void>
unzipFile(inFile:string, outFile:string, options: Options): Promise&lt;void&gt;
Unzips a file. This API uses a promise to return the result.
......@@ -86,11 +86,11 @@ Unzips a file. This API uses a promise to return the result.
**Parameters**
| Name | Type | Mandatory| Description |
| ------- | ----------------------------------- | ---- | ----------------------------------- |
| inFile | string | Yes | Path of the file to unzip. The file name extension is .zip.|
| outFile | string | Yes | Path of the unzipped file. |
| options | [Options](#options)| No | Optional parameters for the unzip operation. |
| Name | Type | Mandatory| Description |
| ------- | ------------------- | ---- | ------------------------------------------------------------ |
| inFile | string | Yes | Path of the folder or file to zip. For details about the path, see [FA Model](js-apis-Context.md) and [Stage Model](js-apis-application-context.md).|
| outFile | string | Yes | Path of the unzipped file. |
| options | [Options](#options) | No | Optional parameters for the unzip operation. |
**Return value**
......@@ -106,61 +106,67 @@ import zlib from '@ohos.zlib'
var inFile = "/xx/xxx.zip";
var outFile = "/xxx";
var options = {};
options.level = zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION;
options.memLevel = zlib.MemLevel.MEM_LEVEL_DEFAULT;
options.strategy = zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY;
let options = {
level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION,
memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT,
strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY
};
zlib.unzipFile(inFile, outFile, options).then((data) => {
if (data == zlib.ErrorCode.ERROR_CODE_OK) {
console.log("unzipFile OK");
} else {
console.log("unzipFile NG");
}
console.log("unzipFile result: " + data);
}).catch((err)=>{
console.log("catch((err)=>" + err);
})
```
## options
## Options
| Name | Description |
| --------------------------- | ------------------------------------------------------------ |
| level?: CompressLeve | See [zip.CompressLevel](#zipcompresslevel). |
| memLevel?: MemLevel | See [zip.MemLevel](#zipmemlevel) |
| strategy?: CompressStrategy | See [zip.CompressStrategy](#zipcompressstrategy) |
**System capability**: SystemCapability.BundleManager.Zlib
| Name | Type | Mandatory| Description |
| -------- | ---------------- | ---- | --------------------------------------------------------- |
| level | CompressLeve | No | See [zip.CompressLevel](#zipcompresslevel). |
| memLevel | MemLevel | No | See [zip.MemLevel](#zipmemlevel). |
| strategy | CompressStrategy | No | See [zip.CompressStrategy](#zipcompressstrategy).|
## zip.MemLevel
| Name | Description |
| ----------------- | -------------------------------- |
| MEM_LEVEL_MIN | Minimum memory used by the **zip** API during compression.|
| MEM_LEVEL_MAX | Maximum memory used by the **zip** API during compression.|
| MEM_LEVEL_DEFAULT | Default memory used by the **zip** API during compression.|
**System capability**: SystemCapability.BundleManager.Zlib
| Name | Value | Description |
| ----------------- | ---- | -------------------------------- |
| MEM_LEVEL_MIN | 1 | Minimum memory used by the **zip** API during compression.|
| MEM_LEVEL_MIN | 9 | Maximum memory used by the **zip** API during compression.|
| MEM_LEVEL_DEFAULT | 8 | Default memory used by the **zip** API during compression.|
## zip.CompressLevel
## Zip.CompressLevel
**System capability**: SystemCapability.BundleManager.Zlib
| Name | Description |
| --------------------------------------- | ----------------- |
| COMPRESS_LEVEL_NO_COMPRESSION : 0 | Compress level 0 that indicates uncompressed.|
| COMPRESS_LEVEL_BEST_SPEED : 1 | Compression level 1 that gives the best speed. |
| COMPRESS_LEVEL_BEST_COMPRESSION :9 | Compression level 9 that gives the best compression. |
| COMPRESS_LEVEL_DEFAULT_COMPRESSION : -1| Default compression level. |
| Name | Value | Description |
| ---------------------------------- | ---- | ----------------- |
| COMPRESS_LEVEL_NO_COMPRESSION | 0 | Compress level 0 that indicates uncompressed.|
| COMPRESS_LEVEL_BEST_SPEED | 1 | Compression level 1 that gives the best speed. |
| COMPRESS_LEVEL_BEST_COMPRESSION | 9 | Compression level 9 that gives the best compression. |
| COMPRESS_LEVEL_DEFAULT_COMPRESSION | -1 | Default compression level. |
## Zip.CompressStrategy
## zip.CompressStrategy
| Name | Description |
| -------------------------------------- | ------------------------ |
| COMPRESS_STRATEGY_DEFAULT_STRATEGY : 0 | Default compression strategy. |
| COMPRESS_STRATEGY_FILTERED : 1 | Filtered compression strategy.|
| COMPRESS_STRATEGY_HUFFMAN_ONLY : 2 | Huffman coding compression strategy. |
| COMPRESS_STRATEGY_RLE : 3 | RLE compression strategy. |
| COMPRESS_STRATEGY_FIXED : 4 | Fixed compression strategy. |
**System capability**: SystemCapability.BundleManager.Zlib
| Name | Value | Description |
| ---------------------------------- | ---- | ------------------------ |
| COMPRESS_STRATEGY_DEFAULT_STRATEGY | 0 | Default compression strategy. |
| COMPRESS_STRATEGY_FILTERED | 1 | Filtered compression strategy.|
| COMPRESS_STRATEGY_HUFFMAN_ONLY | 2 | Huffman coding compression strategy. |
| COMPRESS_STRATEGY_RLE | 3 | RLE compression strategy. |
| COMPRESS_STRATEGY_FIXED | 4 | Fixed compression strategy. |
## zip.ErrorCode
| Name | Description |
| -------------------- | ------------ |
| ERROR_CODE_OK: 0 | The API is successfully called.|
| ERROR_CODE_ERRNO:- 1 | Failed to call the API.|
**System capability**: SystemCapability.BundleManager.Zlib
| Name | Value | Description |
| ---------------- | ---- | ------------ |
| ERROR_CODE_OK | 0 | The API is successfully called.|
| ERROR_CODE_ERRNO | -1 | Failed to call the API.|
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