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提交 b103044e 编写于 作者: H huweiqi
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mediaLibrary changelog 

Signed-off-by: Nhuweiqi <huweiqi1@huawei.com>
Change-Id: I266a38a8e773f91ace3abf35ed8688a6fec398d9
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zh-cn/release-notes/changelogs/OpenHarmony_3.2.10.6/changelogs-mediaLibrary.md 0 → 100644
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# 文件子系统ChangeLog
## cl.file.1 mediaLibrary相关接口变更
multimedia 部件 medialibrary 接口废弃原有相关接口，使用 FilePicker 替代。
**变更影响**
基于此前版本开发的应用，需注意废弃接口的迭代更新。替代的 FilePicker 应用是OpenHarmony中预置的系统应用，为用户提供文件选择及保存功能。
**关键接口/组件变更**
medialibrary 相关接口废弃，原接口位于 @ohos.multimedia.medialibrary；替代应用为 FilePicker，位于[@ohos.file.picker](https://gitee.com/openharmony/interface_sdk-js/blob/master/api/@ohos.file.picker.d.ts)
| 模块名 | 方法/属性/枚举/常量 | 变更类型 |
| ------------------------- | ------------------------------------------------------------ | -------- |
| medialibrary | **function** getMediaLibrary(): MediaLibrary; | 废弃 |
| medialibrary | **function** getMediaLibrary(context: Context): MediaLibrary; | 废弃 |
| medialibrary | **function** getFileAssets(options: MediaFetchOptions, callback: AsyncCallback\<FetchFileResult\>): void | 废弃 |
| medialibrary | **function** getFileAssets(options: MediaFetchOptions): Promise\<FetchFileResult\> | 废弃 |
| medialibrary | **function** on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void\>): void | 废弃 |
| medialibrary | **function** off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void\>): void | 废弃 |
| medialibrary | **function** createAsset(mediaType: MediaType, displayName: string, relativePath: string, callback: AsyncCallback\<FileAsset\>): void | 废弃 |
| medialibrary | **function** createAsset(mediaType: MediaType, displayName: string, relativePath: string): Promise\<FileAsset\> | 废弃 |
| medialibrary | **function** deleteAsset(uri: string): Promise\<void\> | 废弃 |
| medialibrary | **function** deleteAsset(uri: string, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** getPublicDirectory(type: DirectoryType, callback: AsyncCallback\<string\>): void | 废弃 |
| medialibrary | **function** getPublicDirectory(type: DirectoryType): Promise\<string\> | 废弃 |
| medialibrary | **function** getAlbums(options: MediaFetchOptions, callback: AsyncCallback\<Array\<Album\>\>): void | 废弃 |
| medialibrary | **function** getAlbums(options: MediaFetchOptions): Promise\<Array\<Album\>\> | 废弃 |
| medialibrary | **function** release(callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** release(): Promise\<void\> | 废弃 |
| medialibrary | **function** storeMediaAsset(option: MediaAssetOption, callback: AsyncCallback\<string\>): void | 废弃 |
| medialibrary | **function** storeMediaAsset(option: MediaAssetOption): Promise\<string\> | 废弃 |
| medialibrary | **function** startImagePreview(images: Array\<string\>, index: number, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** startImagePreview(images: Array\<string\>, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** startImagePreview(images: Array\<string\>, index?: number): Promise\<void\> | 废弃 |
| medialibrary | **function** startMediaSelect(option: MediaSelectOption, callback: AsyncCallback\<Array\<string\>\>): void | 废弃 |
| medialibrary | **function** startMediaSelect(option: MediaSelectOption): Promise\<Array\<string\>\> | 废弃 |
| medialibrary | **function** getActivePeers(): Promise\<Array\<PeerInfo\>\>; | 废弃 |
| medialibrary | **function** getActivePeers(callback: AsyncCallback\<Array\<PeerInfo\>\>): void; | 废弃 |
| medialibrary | **function** getAllPeers(): Promise\<Array\<PeerInfo\>\>; | 废弃 |
| medialibrary | **function** FileAsset.isDirectory(callback: AsyncCallback\<boolean\>): void | 废弃 |
| medialibrary | **function** FileAsset.isDirectory():Promise\<boolean\> | 废弃 |
| medialibrary | **function** FileAsset.commitModify(callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** FileAsset.commitModify(): Promise\<void\> | 废弃 |
| medialibrary | **function** FileAsset.open(mode: string, callback: AsyncCallback\<number\>): void | 废弃 |
| medialibrary | **function** FileAsset.open(mode: string): Promise\<number\> | 废弃 |
| medialibrary | **function** FileAsset.close(fd: number, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** FileAsset.close(fd: number): Promise\<void\> | 废弃 |
| medialibrary | **function** FileAsset.getThumbnail(callback: AsyncCallback\<image.PixelMap\>): void | 废弃 |
| medialibrary | **function** FileAsset.getThumbnail(size: Size, callback: AsyncCallback\<image.PixelMap\>): void | 废弃 |
| medialibrary | **function** FileAsset.getThumbnail(size?: Size): Promise\<image.PixelMap\> | 废弃 |
| medialibrary | **function** FileAsset.favorite(isFavorite: boolean, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** FileAsset.favorite(isFavorite: boolean): Promise\<void\> | 废弃 |
| medialibrary | **function** FileAsset.isFavorite(callback: AsyncCallback\<boolean\>): void | 废弃 |
| medialibrary | **function** FileAsset.isFavorite():Promise\<boolean\> | 废弃 |
| medialibrary | **function** FileAsset.trash(isTrash: boolean, callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** FileAsset.trash(isTrash: boolean): Promise\<void\> | 废弃 |
| medialibrary | **function** FileAsset.isTrash(callback: AsyncCallback\<boolean\>): void | 废弃 |
| medialibrary | **function** FileAsset.isTrash():Promise\<boolean\> | 废弃 |
| medialibrary | **function** FetchFileResult.getCount(): number | 废弃 |
| medialibrary | **function** FetchFileResult.isAfterLast(): boolean | 废弃 |
| medialibrary | **function** FetchFileResult.close(): void | 废弃 |
| medialibrary | **function** FetchFileResult.getFirstObject(callback: AsyncCallback\<FileAsset\>): void | 废弃 |
| medialibrary | **function** FetchFileResult.getFirstObject(): Promise\<FileAsset\> | 废弃 |
| medialibrary | **function** FetchFileResult.getNextObject(callback: AsyncCallback\<FileAsset\>): void | 废弃 |
| medialibrary | **function** FetchFileResult.getNextObject(): Promise\<FileAsset\> | 废弃 |
| medialibrary | **function** FetchFileResult.getLastObject(callback: AsyncCallback\<FileAsset\>): void | 废弃 |
| medialibrary | **function** FetchFileResult.getLastObject(): Promise\<FileAsset\> | 废弃 |
| medialibrary | **function** FetchFileResult.getPositionObject(index: number, callback: AsyncCallback\<FileAsset\>): void | 废弃 |
| medialibrary | **function** FetchFileResult.getPositionObject(index: number): Promise\<FileAsset\> | 废弃 |
| medialibrary | **function** FetchFileResult.getAllObject(callback: AsyncCallback\<Array\<FileAsset\>\>): void | 废弃 |
| medialibrary | **function** FetchFileResult.getAllObject(): Promise\<Array\<FileAsset\>\> | 废弃 |
| medialibrary | **function** Album.commitModify(callback: AsyncCallback\<void\>): void | 废弃 |
| medialibrary | **function** Album.commitModify(): Promise\<void\> | 废弃 |
| medialibrary | **function** Album.getFileAssets(options: MediaFetchOptions, callback: AsyncCallback\<FetchFileResult\>): void | 废弃 |
| medialibrary | **function** Album.getFileAssets(options?: MediaFetchOptions): Promise\<FetchFileResult\> | 废弃 |
| medialibrary | **enum** DeviceType | 废弃 |
| medialibrary | **enum** FileKey | 废弃 |
| medialibrary | **enum** DirectoryType | 废弃 |
| medialibrary | **enum** MediaType | 废弃 |
| medialibrary | **interface** PeerInfo | 废弃 |
| medialibrary | **interface** Size | 废弃 |
| medialibrary | **interface** MediaFetchOptions | 废弃 |
| medialibrary | **interface** MediaAssetOption | 废弃 |
| medialibrary | **interface** MediaSelectOption | 废弃 |
| medialibrary | **interface** FileAsset | 废弃 |
**适配指导**
以选取一张图片为例，在替代应用中如下方式进行调用：
```js
import picker from '@ohos.file.picker';
async function example() {
try {
let PhotoSelectOptions = new picker.PhotoSelectOptions();
PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE;
PhotoSelectOptions.maxSelectNumber = 1;
let photoPicker = new picker.PhotoViewPicker();
photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult) => {
if (PhotoSelectResult !== undefined) {
console.info("PhotoViewPicker.select pass, PhotoSelectResult uri: " + JSON.stringify(PhotoSelectResult));
} else {
console.error("PhotoViewPicker.select PhotoSelectResult is undefined");
}
}).catch((err) => {
console.error("PhotoViewPicker.select fail, err: " + err);
});
} catch (err) {
console.error("PhotoViewPicker fail, err: " + err);
}
}
```
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