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提交 1f2823b2 编写于 作者: P panqiangbiao
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fix code issue 

Signed-off-by: Npanqiangbiao <panqiangbiao@huawei.com>
上级 c7430029
隐藏空白更改
内联 并排
Showing with 559 addition and 480 deletion
zh-cn/application-dev/reference/apis/js-apis-medialibrary.md
浏览文件 @ 1f2823b2
......@@ -35,7 +35,7 @@ function getMediaLibrary(context: Context): MediaLibrary;
```
import featureAbility from '@ohos.ability.featureAbility';
import mediaLibrary from ‘ohos.multimedia.mediaLibrary';
import mediaLibrary from '@ohos.multimedia.mediaLibrary';
var context = featureAbility.getContext()
var mediaLibrary = mediaLibrary.getMediaLibrary(context);
......@@ -44,7 +44,7 @@ var mediaLibrary = mediaLibrary.getMediaLibrary(context);
## medialibrary.getFileAssets
getFileAssets(options: MediaFetchOptions, callback: AsyncCallback&lt;FetchFileResult&gt;): void;
getFileAssets(options: MediaFetchOptions, callback: AsyncCallback&lt;FetchFileResult&gt;): void;
获取文件资源，使用callback方式返回异步结果。
......@@ -75,7 +75,8 @@ medialibrary.getFileAssets(imagesfetchOp, (error, fetchFileResult) => {
if (fileAssetList != undefined) {
fileAssetList.forEach(getAllObjectInfo);
}
});
});
}
});
```
## medialibrary.getFileAssets
......@@ -294,12 +295,14 @@ getPublicDirectory(type: DirectoryType): Promise&lt;string&gt;;
**示例：**
```
let DIR_CAMERA = mediaLibrary.DirectoryType.DIR_CAMERA;
const dicResult = await media.getPublicDirectory(DIR_CAMERA);
if (dicResult == 'camera/') {
console.info('MediaLibraryTest : getPublicDirectory');
} else {
console.info('MediaLibraryTest : getPublicDirectory failed');
async function (done) {
let DIR_CAMERA = mediaLibrary.DirectoryType.DIR_CAMERA;
const dicResult = await media.getPublicDirectory(DIR_CAMERA);
if (dicResult == 'camera/') {
console.info('MediaLibraryTest : getPublicDirectory');
} else {
console.info('MediaLibraryTest : getPublicDirectory failed');
}
}
```
......@@ -393,7 +396,8 @@ release(callback: AsyncCallback&lt;void&gt;): void;
**示例：**
```
medialibrary.release((err, data) => {
var mediaLibrary = mediaLibrary.getMediaLibrary(context);
mediaLibrary.release((err, data) => {
// do something
});
```
......@@ -417,7 +421,8 @@ release(): Promise&lt;void&gt;;
**示例：**
```
medialibrary.release()
var mediaLibrary = mediaLibrary.getMediaLibrary(context);
mediaLibrary.release()
```
## FileAsset.isDirectory
......@@ -439,18 +444,20 @@ isDirectory(callback: AsyncCallback&lt;boolean&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isDirectory((err, isDirectory) => {
// do something
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isDirectory((err, isDirectory) => {
// do something
});
}
```
## FileAsset.isDirectory
......@@ -472,20 +479,22 @@ isDirectory():Promise&lt;boolean&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isDirectory().then(function(isDirectory){
console.info("isDirectory result:"+ isDirectory);
}).catch(function(err){
console.info("isDirectory failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isDirectory().then(function(isDirectory){
console.info("isDirectory result:"+ isDirectory);
}).catch(function(err){
console.info("isDirectory failed with error:"+ err);
});
}
```
## FileAsset.commitModify
......@@ -507,18 +516,20 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.title = ‘newtitle';
asset.commitModify(() => {
console.info('commitModify success');
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.title = ‘newtitle';
asset.commitModify(() => {
console.info('commitModify success');
}
}
```
......@@ -541,17 +552,19 @@ commitModify(): Promise&lt;void&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.title = ‘newtitle';
asset.commitModify();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.title = ‘newtitle';
asset.commitModify();
}
```
## FileAsset.open
......@@ -574,16 +587,18 @@ open(mode: string, callback: AsyncCallback&lt;number&gt;): void;
**示例：**
```
let mediaType = mediaLibrary.MediaType.IMAGE;
let path = "Pictures/";
asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw', (openError, fd) => {
if(fd > 0){
asset.close(fd);
}else{
console.info('File Open Failed!' + openError);
}
});
async function (done) {
let mediaType = mediaLibrary.MediaType.IMAGE;
let path = "Pictures/";
asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw', (openError, fd) => {
if(fd > 0){
asset.close(fd);
}else{
console.info('File Open Failed!' + openError);
}
});
}
```
## FileAsset.open
......@@ -611,16 +626,18 @@ open(mode: string): Promise&lt;number&gt;;
**示例：**
```
let mediaType = mediaLibrary.MediaType.IMAGE;
let path = "Pictures/";
asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw').then((openError, fd) => {
if(fd > 0){
asset.close(fd);
}else{
console.info('File Open Failed!' + openError);
}
});
async function (done) {
let mediaType = mediaLibrary.MediaType.IMAGE;
let path = "Pictures/";
asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw').then((openError, fd) => {
if(fd > 0){
asset.close(fd);
}else{
console.info('File Open Failed!' + openError);
}
});
}
```
## FileAsset.close
......@@ -643,23 +660,25 @@ close(fd: number, callback: AsyncCallback&lt;void&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.close(fd, (closeErr) => {
if (closeErr != undefined) {
console.info('MediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('MediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
console.info("=======asset.close success====>");
}
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.close(fd, (closeErr) => {
if (closeErr != undefined) {
console.info('MediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('MediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
console.info("=======asset.close success====>");
}
});
}
```
## FileAsset.close
......@@ -687,24 +706,26 @@ close(fd: number): Promise&lt;void&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.close(fd).then((closeErr) => {
if (closeErr != undefined) {
console.info('MediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('MediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
console.info("=======asset.close success====>");
}
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.close(fd).then((closeErr) => {
if (closeErr != undefined) {
console.info('MediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('MediaLibraryTest : ASSET_CALLBACK : FAIL');
} else {
console.info("=======asset.close success====>");
}
});
}
```
## FileAsset.getThumbnail
......@@ -726,18 +747,20 @@ getThumbnail(callback: AsyncCallback&lt;image.PixelMap&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail((err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail((err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
}
```
## FileAsset.getThumbnail
......@@ -760,18 +783,20 @@ getThumbnail(size: Size, callback: AsyncCallback&lt;image.PixelMap&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size, (err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size, (err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
}
```
## FileAsset.getThumbnail
......@@ -799,18 +824,20 @@ getThumbnail(size?: Size): Promise&lt;image.PixelMap&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size, (err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size, (err, pixelmap) => {
console.info('MediaLibraryTest : getThumbnail Successfull '+ pixelmap);
});
}
```
## FileAsset.favorite
......@@ -833,18 +860,20 @@ favorite(isFavorite: boolean, callback: AsyncCallback&lt;void&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.favorite(true,function(err){
// do something
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.favorite(true,function(err){
// do something
});
}
```
## FileAsset.favorite
......@@ -872,20 +901,22 @@ favorite(isFavorite: boolean): Promise&lt;void&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.favorite(true).then(function() {
console.info("favorite successfully");
}).catch(function(err){
console.info("favorite failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.favorite(true).then(function() {
console.info("favorite successfully");
}).catch(function(err){
console.info("favorite failed with error:"+ err);
});
}
```
## FileAsset.isFavorite
......@@ -907,22 +938,24 @@ isFavorite(callback: AsyncCallback&lt;boolean&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isFavorite((err, isFavorite) => {
if (isFavorite) {
console.info('FileAsset is favorite');
}else{
console.info('FileAsset is not favorite');
}
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isFavorite((err, isFavorite) => {
if (isFavorite) {
console.info('FileAsset is favorite');
}else{
console.info('FileAsset is not favorite');
}
});
}
```
## FileAsset.isFavorite
......@@ -944,20 +977,22 @@ isFavorite():Promise&lt;boolean&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isFavorite().then(function(isFavorite){
console.info("isFavorite result:"+ isFavorite);
}).catch(function(err){
console.info("isFavorite failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isFavorite().then(function(isFavorite){
console.info("isFavorite result:"+ isFavorite);
}).catch(function(err){
console.info("isFavorite failed with error:"+ err);
});
}
```
## FileAsset.trash
......@@ -982,18 +1017,20 @@ trash(isTrash: boolean, callback: AsyncCallback&lt;void&g;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.trash(true, trashCallBack);
function trashCallBack(err, trash) {
console.info('MediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK trash');
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.trash(true, trashCallBack);
function trashCallBack(err, trash) {
console.info('MediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK trash');
}
}
```
......@@ -1024,20 +1061,22 @@ trash(isTrash: boolean,): Promise&lt;void&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.trash(true).then(function() {
console.info("trash successfully");
}).catch(function(err){
console.info("trash failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.trash(true).then(function() {
console.info("trash successfully");
}).catch(function(err){
console.info("trash failed with error:"+ err);
});
}
```
## FileAsset.isTrash
......@@ -1059,23 +1098,27 @@ isTrash(callback: AsyncCallback&lt;boolean&gt;): void;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isTrash(isTrashCallBack);
function isTrashCallBack(err, isTrash) {
if (isTrash == true) {
console.info('MediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK isTrash = ' + isTrash);
asset.trash(true, trashCallBack);
} else {
console.info('MediaLibraryTest : ASSET_CALLBACK isTrash Unsuccessfull = ' + err);
console.info('MediaLibraryTest : ASSET_CALLBACK isTrash : FAIL');
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isTrash(isTrashCallBack);
function isTrashCallBack(err, isTrash) {
if (isTrash == true) {
console.info('MediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK isTrash = ' + isTrash);
asset.trash(true, trashCallBack);
} else {
console.info('MediaLibraryTest : ASSET_CALLBACK isTrash Unsuccessfull = ' + err);
console.info('MediaLibraryTest : ASSET_CALLBACK isTrash : FAIL');
}
}
}
```
......@@ -1099,20 +1142,22 @@ isTrash():Promise&lt;boolean&gt;;
**示例：**
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isTrash().then(function(isTrash){
console.info("isTrash result:"+ isTrash);
}).catch(function(err){
console.info("isTrash failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject();
asset.isTrash().then(function(isTrash){
console.info("isTrash result:"+ isTrash);
}).catch(function(err){
console.info("isTrash failed with error:"+ err);
});
}
```
**FetchFileResult**
......@@ -1138,14 +1183,16 @@ getCount(): number;
**示例**：
```
let getFileCountOneOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,1",
};
let fetchFileResult = await media.getFileAssets(getFileCountOneOp);
const fetchCount = fetchFileResult.getCount();
async function (done) {
let getFileCountOneOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,1",
};
let fetchFileResult = await media.getFileAssets(getFileCountOneOp);
const fetchCount = fetchFileResult.getCount();
}
```
## FetchFileResult.isAfterLast
......@@ -1167,27 +1214,29 @@ isAfterLast(): boolean;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
const fetchCount = fetchFileResult.getCount();
console.info('MediaLibraryTest : count:' + fetchCount);
let fileAsset = await fetchFileResult.getFirstObject();
for (var i = 1; i < fetchCount; i++) {
fileAsset = await fetchFileResult.getNextObject();
if(i == fetchCount - 1) {
console.info('MediaLibraryTest : isLast');
var result = fetchFileResult.isAfterLast();
console.info('MediaLibraryTest : isAfterLast:' + result);
console.info('MediaLibraryTest : isAfterLast end');
fetchFileResult.close();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
const fetchCount = fetchFileResult.getCount();
console.info('MediaLibraryTest : count:' + fetchCount);
let fileAsset = await fetchFileResult.getFirstObject();
for (var i = 1; i < fetchCount; i++) {
fileAsset = await fetchFileResult.getNextObject();
if(i == fetchCount - 1) {
console.info('MediaLibraryTest : isLast');
var result = fetchFileResult.isAfterLast();
console.info('MediaLibraryTest : isAfterLast:' + result);
console.info('MediaLibraryTest : isAfterLast end');
fetchFileResult.close();
}
}
}
}
```
......@@ -1204,15 +1253,17 @@ close(): void;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.close();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.close();
}
```
## FetchFileResult.getFirstObject
......@@ -1234,21 +1285,23 @@ getFirstObject(callback: AsyncCallback&lt;FileAsset&gt;): void;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getFirstObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getFirstObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getFirstObject
......@@ -1271,19 +1324,21 @@ getFirstObject(): Promise&lt;FileAsset&gt;;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getFirstObject().then(function(fileAsset){
console.info("getFirstObject successfully:"+ JSON.stringify(fileAsset));
}).catch(function(err){
console.info("getFirstObject failed with error:"+ err);
});
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getFirstObject().then(function(fileAsset){
console.info("getFirstObject successfully:"+ JSON.stringify(fileAsset));
}).catch(function(err){
console.info("getFirstObject failed with error:"+ err);
});
}
```
## FetchFileResult.getNextObject
......@@ -1305,21 +1360,23 @@ fetchFileResult.getFirstObject().then(function(fileAsset){
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getNextObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getNextObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getNextObject
......@@ -1341,17 +1398,19 @@ fetchFileResult.getNextObject((err, value) => {
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
const fetchCount = fetchFileResult.getCount();
console.info('MediaLibraryTest : count:' + fetchCount);
fileAsset = await fetchFileResult.getNextObject();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
const fetchCount = fetchFileResult.getCount();
console.info('MediaLibraryTest : count:' + fetchCount);
fileAsset = await fetchFileResult.getNextObject();
}
```
## FetchFileResult.getLastObject
......@@ -1373,21 +1432,23 @@ getLastObject(callback: AsyncCallback&lt;FileAsset&gt;): void;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getLastObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getLastObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getLastObject
......@@ -1409,15 +1470,17 @@ getLastObject(): Promise&lt;FileAsset&gt;;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
let lastObject = await fetchFileResult.getLastObject();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
let lastObject = await fetchFileResult.getLastObject();
}
```
## FetchFileResult.getPositionObject
......@@ -1440,21 +1503,23 @@ getPositionObject(index: number, callback: AsyncCallback&lt;FileAsset&gt;): void
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(1，(err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(1，(err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getPositionObject
......@@ -1482,21 +1547,23 @@ getPositionObject(index: number): Promise&lt;FileAsset&gt;;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(1，(err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(1，(err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getAllObject
......@@ -1518,21 +1585,23 @@ getAllObject(callback: AsyncCallback&lt;Array&lt;FileAsset&gt;&gt;): void;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getAllObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getAllObject((err, value) => {
if (err) {
console.error('Failed ');
return;
}
console.log(value);
})
}
```
## FetchFileResult.getAllObject
......@@ -1554,15 +1623,17 @@ getAllObject(): Promise&lt;Array&lt;FileAsset&gt;&gt;;
**示例**：
```
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
var data = fetchFileResult.getAllObject();
async function (done) {
let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [imageType.toString()],
order: fileKeyObj.DATE_ADDED,
extendArgs: "LIMIT 0,10",
};
let fetchFileResult = await media.getFileAssets(getImageOp);
var data = fetchFileResult.getAllObject();
}
```
## Album.commitModify
......@@ -1584,20 +1655,22 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void;
**示例**：
```
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.albumName = 'hello';
album.commitModify((err) => {
if (err) {
console.error('Failed ');
return;
}
console.log('Modify successful.');
})
async function (done) {
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.albumName = 'hello';
album.commitModify((err) => {
if (err) {
console.error('Failed ');
return;
}
console.log('Modify successful.');
})
}
```
## Album.commitModify
......@@ -1619,18 +1692,20 @@ commitModify(): Promise&lt;void&gt;;
**示例**：
```
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.albumName = 'hello';
album.commitModify().then(function() {
console.info("commitModify successfully");
}).catch(function(err){
console.info("commitModify failed with error:"+ err);
});
async function (done) {
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.albumName = 'hello';
album.commitModify().then(function() {
console.info("commitModify successfully");
}).catch(function(err){
console.info("commitModify failed with error:"+ err);
});
}
```
## Album.getFileAssets
......@@ -1653,16 +1728,18 @@ getFileAssets(options: MediaFetchOptions, callback: AsyncCallback&lt;FetchFileRe
**示例**：
```
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp, getFileAssetsCallBack);
})
function getFileAssetsCallBack(err, fetchFileResult) {
// do something
async function (done) {
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp, getFileAssetsCallBack);
})
function getFileAssetsCallBack(err, fetchFileResult) {
// do something
}
}
```
......@@ -1691,17 +1768,19 @@ function getFileAssetsCallBack(err, fetchFileResult) {
**示例**：
```
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp).then(function(albumFetchFileResult){
console.info("getFileAssets successfully:"+ JSON.stringify(albumFetchFileResult));
}).catch(function(err){
console.info("getFileAssets failed with error:"+ err);
});
async function (done) {
let AlbumNoArgsfetchOp = {
selections: '',
selectionArgs: [],
};
const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp).then(function(albumFetchFileResult){
console.info("getFileAssets successfully:"+ JSON.stringify(albumFetchFileResult));
}).catch(function(err){
console.info("getFileAssets failed with error:"+ err);
});
}
```
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