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提交 498caa4d 编写于 作者: Z zhang-daiyue 提交者： 胡伟奇
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fixed 644cff4 from https://gitee.com/weiqi-hu/docs/pulls/9578 

Align 3.2-Beta3 to master
Signed-off-by: Nzhang-daiyue <zhangdaiyue1@huawei.com>
Change-Id: I207e3b98bb392418f734ed9fc0c862d7009c5db1
上级 23ea35ae
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内联 并排
Showing with 61 addition and 53 deletion
zh-cn/application-dev/reference/apis/js-apis-medialibrary.md
浏览文件 @ 498caa4d
......@@ -42,7 +42,7 @@ let media = mediaLibrary.getMediaLibrary(context);
```js
import featureAbility from '@ohos.ability.featureAbility';
let context = featureAbility.getContext()
let context = featureAbility.getContext();
let media = mediaLibrary.getMediaLibrary(context);
```
## mediaLibrary.getMediaLibrary
......@@ -92,8 +92,8 @@ getFileAssets(options: MediaFetchOptions, callback: AsyncCallback&lt;FetchFileRe
**示例：**
```js
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let imagesfetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
......@@ -101,13 +101,15 @@ let imagesfetchOp = {
media.getFileAssets(imagesfetchOp, (error, fetchFileResult) => {
if (fetchFileResult != undefined) {
console.info('mediaLibraryTest : ASSET_CALLBACK fetchFileResult success');
fetchFileResult.getAllObject((err, fileAssetList) => {
if (fileAssetList != undefined) {
fileAssetList.forEach(function(getAllObjectInfo){
console.info("getAllObjectInfo.displayName :" + getAllObjectInfo.displayName);
});
for (let i = 0; i < fetchFileResult.getCount(); i++) {
fetchFileResult.getNextObject((err, fileAsset) => {
if (err) {
console.error('Failed ');
return;
}
console.log('fileAsset.displayName ' + i + ': ' + fileAsset.displayName);
})
}
});
}
});
```
......@@ -136,8 +138,8 @@ getFileAssets(options: MediaFetchOptions): Promise&lt;FetchFileResult&gt;
**示例：**
```js
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let imagesfetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
......@@ -293,8 +295,8 @@ deleteAsset(uri: string): Promise\<void>
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileType = mediaLibrary.MediaType.FILE
let fileKeyObj = mediaLibrary.FileKey;
let fileType = mediaLibrary.MediaType.FILE;
let option = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString()],
......@@ -337,8 +339,8 @@ deleteAsset(uri: string, callback: AsyncCallback\<void>): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileType = mediaLibrary.MediaType.FILE
let fileKeyObj = mediaLibrary.FileKey;
let fileType = mediaLibrary.MediaType.FILE;
let option = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString()],
......@@ -761,11 +763,13 @@ startMediaSelect(option: MediaSelectOption, callback: AsyncCallback&lt;Array&lt;
**示例：**
```js
let option = {
type : "media",
count : 2
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let imagesfetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
};
mediaLibrary.getMediaLibrary().startMediaSelect(option, (err, value) => {
mediaLibrary.getMediaLibrary().startMediaSelect(imagesfetchOp, (err, value) => {
if (err) {
console.log("An error occurred when selecting media resources.");
return;
......@@ -801,11 +805,13 @@ startMediaSelect(option: MediaSelectOption): Promise&lt;Array&lt;string&gt;&gt;
**示例：**
```js
let option = {
type : "media",
count : 2
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let imagesfetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
};
mediaLibrary.getMediaLibrary().startMediaSelect(option).then((value) => {
mediaLibrary.getMediaLibrary().startMediaSelect(imagesfetchOp).then((value) => {
console.log("Media resources selected.");
// Obtain the media selection value.
}).catch((err) => {
......@@ -1255,7 +1261,7 @@ async function example() {
console.info('File fd!' + fd);
asset.close(fd, (closeErr) => {
if (closeErr != undefined) {
console.info('mediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('mediaLibraryTest : close : FAIL ' + closeErr);
console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
console.info("=======asset.close success====>");
......@@ -1308,7 +1314,7 @@ async function example() {
console.info('File fd!' + fd);
asset.close(fd).then((closeErr) => {
if (closeErr != undefined) {
console.info('mediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('mediaLibraryTest : close : FAIL ' + closeErr);
console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
......@@ -1379,7 +1385,7 @@ getThumbnail(size: Size, callback: AsyncCallback&lt;image.PixelMap&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1422,7 +1428,7 @@ getThumbnail(size?: Size): Promise&lt;image.PixelMap&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1464,7 +1470,7 @@ favorite(isFavorite: boolean, callback: AsyncCallback&lt;void&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1506,7 +1512,7 @@ favorite(isFavorite: boolean): Promise&lt;void&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1544,7 +1550,7 @@ isFavorite(callback: AsyncCallback&lt;boolean&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1584,7 +1590,7 @@ isFavorite():Promise&lt;boolean&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1625,7 +1631,7 @@ trash(isTrash: boolean, callback: AsyncCallback&lt;void&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1670,7 +1676,7 @@ trash(isTrash: boolean): Promise&lt;void&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1708,7 +1714,7 @@ isTrash(callback: AsyncCallback&lt;boolean&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1722,7 +1728,7 @@ async function example() {
function isTrashCallBack(err, isTrash) {
if (isTrash == true) {
console.info('mediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK isTrash = ' + isTrash);
asset.trash(true, istrashCallBack);
asset.trash(true, isTrashCallBack);
} else {
console.info('mediaLibraryTest : ASSET_CALLBACK isTrash Unsuccessfull = ' + err);
......@@ -1753,7 +1759,7 @@ isTrash():Promise&lt;boolean&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1793,7 +1799,7 @@ getCount(): number
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let fileType = mediaLibrary.MediaType.FILE;
let getFileCountOneOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1824,7 +1830,7 @@ isAfterLast(): boolean
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1862,7 +1868,7 @@ close(): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1893,7 +1899,7 @@ getFirstObject(callback: AsyncCallback&lt;FileAsset&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1930,7 +1936,7 @@ getFirstObject(): Promise&lt;FileAsset&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -1965,7 +1971,7 @@ async function example() {
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2002,7 +2008,7 @@ async function example() {
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2035,7 +2041,7 @@ getLastObject(callback: AsyncCallback&lt;FileAsset&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2072,7 +2078,7 @@ getLastObject(): Promise&lt;FileAsset&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2104,7 +2110,7 @@ getPositionObject(index: number, callback: AsyncCallback&lt;FileAsset&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2147,7 +2153,7 @@ getPositionObject(index: number): Promise&lt;FileAsset&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2182,7 +2188,7 @@ getAllObject(callback: AsyncCallback&lt;Array&lt;FileAsset&gt;&gt;): void
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2196,7 +2202,9 @@ async function example() {
console.error('Failed ');
return;
}
console.log('fileAsset.displayName : ' + fileAsset.displayName);
for (let i = 0; i < fetchFileResult.getCount(); i++) {
console.log('fileAsset.displayName : ' + fileAsset[i].displayName);
}
})
}
```
......@@ -2219,7 +2227,7 @@ getAllObject(): Promise&lt;Array&lt;FileAsset&gt;&gt;
```js
async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileKeyObj = mediaLibrary.FileKey;
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
......@@ -2393,7 +2401,7 @@ async function example() {
let fileNoArgsfetchOp = {
selections: '',
selectionArgs: [],
}
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp).then(function(albumFetchFileResult){
......
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