Skip to content

D
Docs

OpenHarmony / Docs
1 年多 前同步成功

通知 159
Star 292
Fork 28
D
Docs
提交 8cdcfecc 编写于 作者: Z zhang-daiyue
1 浏览文件
操作

modify js-apis-medialibrary.md 

Signed-off-by: Nzhang-daiyue <zhangdaiyue1@huawei.com>
Change-Id: I52b0a0485c9a24a316697ad7853d5c3a77a103d4
上级 9841c710
隐藏空白更改
内联 并排
Showing with 90 addition and 34 deletion
zh-cn/application-dev/reference/apis/js-apis-medialibrary.md
浏览文件 @ 8cdcfecc
...@@ -98,7 +98,9 @@ media.getFileAssets(imagesfetchOp, (error, fetchFileResult) => { ...@@ -98,7 +98,9 @@ media.getFileAssets(imagesfetchOp, (error, fetchFileResult) => {
console.info('mediaLibraryTest : ASSET_CALLBACK fetchFileResult success'); console.info('mediaLibraryTest : ASSET_CALLBACK fetchFileResult success');
fetchFileResult.getAllObject((err, fileAssetList) => { fetchFileResult.getAllObject((err, fileAssetList) => {
if (fileAssetList != undefined) { if (fileAssetList != undefined) {
fileAssetList.forEach(getAllObjectInfo); fileAssetList.forEach(function(getAllObjectInfo){
console.info("getAllObjectInfo.displayName :" + getAllObjectInfo.displayName);
});
} }
}); });
} }
...@@ -160,7 +162,7 @@ on(type: 'deviceChange'|'albumChange'|'imageChange'|'audioChange'|'videoChange'| ...@@ -160,7 +162,7 @@ on(type: 'deviceChange'|'albumChange'|'imageChange'|'audioChange'|'videoChange'|
**示例：** **示例：**
``` ```
mediaLibrary.on('imageChange', () => { media.on('imageChange', () => {
// image file had changed, do something // image file had changed, do something
}) })
``` ```
...@@ -665,7 +667,7 @@ startMediaSelect(option: MediaSelectOption, callback: AsyncCallback&lt;Array&lt; ...@@ -665,7 +667,7 @@ startMediaSelect(option: MediaSelectOption, callback: AsyncCallback&lt;Array&lt;
``` ```
let option = { let option = {
type : "image", type : "media",
count : 2 count : 2
}; };
mediaLibrary.getMediaLibrary().startMediaSelect(option, (err, value) => { mediaLibrary.getMediaLibrary().startMediaSelect(option, (err, value) => {
...@@ -705,7 +707,7 @@ startMediaSelect(option: MediaSelectOption): Promise&lt;Array&lt;string&gt;&gt; ...@@ -705,7 +707,7 @@ startMediaSelect(option: MediaSelectOption): Promise&lt;Array&lt;string&gt;&gt;
``` ```
let option = { let option = {
type : "image", type : "media",
count : 2 count : 2
}; };
mediaLibrary.getMediaLibrary().startMediaSelect(option).then((value) => { mediaLibrary.getMediaLibrary().startMediaSelect(option).then((value) => {
...@@ -770,6 +772,7 @@ isDirectory(callback: AsyncCallback&lt;boolean&gt;): void ...@@ -770,6 +772,7 @@ isDirectory(callback: AsyncCallback&lt;boolean&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -805,6 +808,7 @@ isDirectory():Promise&lt;boolean&gt; ...@@ -805,6 +808,7 @@ isDirectory():Promise&lt;boolean&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -842,6 +846,7 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void ...@@ -842,6 +846,7 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -878,6 +883,7 @@ commitModify(): Promise&lt;void&gt; ...@@ -878,6 +883,7 @@ commitModify(): Promise&lt;void&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -918,7 +924,7 @@ async function example() { ...@@ -918,7 +924,7 @@ async function example() {
let mediaType = mediaLibrary.MediaType.IMAGE; let mediaType = mediaLibrary.MediaType.IMAGE;
let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE; let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE;
const path = await media.getPublicDirectory(DIR_IMAGE); const path = await media.getPublicDirectory(DIR_IMAGE);
asset = await media.createAsset(mediaType, "image00003.jpg", path); const asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw', (openError, fd) => { asset.open('rw', (openError, fd) => {
if(fd > 0){ if(fd > 0){
asset.close(fd); asset.close(fd);
...@@ -960,7 +966,7 @@ async function example() { ...@@ -960,7 +966,7 @@ async function example() {
let mediaType = mediaLibrary.MediaType.IMAGE; let mediaType = mediaLibrary.MediaType.IMAGE;
let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE; let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE;
const path = await media.getPublicDirectory(DIR_IMAGE); const path = await media.getPublicDirectory(DIR_IMAGE);
asset = await media.createAsset(mediaType, "image00003.jpg", path); const asset = await media.createAsset(mediaType, "image00003.jpg", path);
asset.open('rw') asset.open('rw')
.then((fd) => { .then((fd) => {
console.info('File fd!' + fd); console.info('File fd!' + fd);
...@@ -992,6 +998,7 @@ close(fd: number, callback: AsyncCallback&lt;void&gt;): void ...@@ -992,6 +998,7 @@ close(fd: number, callback: AsyncCallback&lt;void&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1001,13 +1008,19 @@ async function example() { ...@@ -1001,13 +1008,19 @@ async function example() {
}; };
const fetchFileResult = await media.getFileAssets(getImageOp); const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject(); const asset = await fetchFileResult.getFirstObject();
asset.close(fd, (closeErr) => { asset.open('rw').then((fd) => {
if (closeErr != undefined) { console.info('File fd!' + fd);
console.info('mediaLibraryTest : close : FAIL ' + closeErr.message); asset.close(fd, (closeErr) => {
console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL'); if (closeErr != undefined) {
} else { console.info('mediaLibraryTest : close : FAIL ' + closeErr.message);
console.info("=======asset.close success====>"); console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL');
} } else {
console.info("=======asset.close success====>");
}
});
})
.catch((err) => {
console.info('File err!' + err);
}); });
} }
``` ```
...@@ -1038,6 +1051,7 @@ close(fd: number): Promise&lt;void&gt; ...@@ -1038,6 +1051,7 @@ close(fd: number): Promise&lt;void&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1047,14 +1061,20 @@ async function example() { ...@@ -1047,14 +1061,20 @@ async function example() {
}; };
const fetchFileResult = await media.getFileAssets(getImageOp); const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject(); const asset = await fetchFileResult.getFirstObject();
asset.close(fd).then((closeErr) => { asset.open('rw').then((fd) => {
if (closeErr != undefined) { console.info('File fd!' + fd);
console.info('mediaLibraryTest : close : FAIL ' + closeErr.message); asset.close(fd).then((closeErr) => {
console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL'); if (closeErr != undefined) {
console.info('mediaLibraryTest : close : FAIL ' + closeErr.message);
console.info('mediaLibraryTest : ASSET_CALLBACK : FAIL');
} else { } else {
console.info("=======asset.close success====>"); console.info("=======asset.close success====>");
} }
});
})
.catch((err) => {
console.info('File err!' + err);
}); });
} }
``` ```
...@@ -1079,6 +1099,7 @@ getThumbnail(callback: AsyncCallback&lt;image.PixelMap&gt;): void ...@@ -1079,6 +1099,7 @@ getThumbnail(callback: AsyncCallback&lt;image.PixelMap&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1115,6 +1136,7 @@ getThumbnail(size: Size, callback: AsyncCallback&lt;image.PixelMap&gt;): void ...@@ -1115,6 +1136,7 @@ getThumbnail(size: Size, callback: AsyncCallback&lt;image.PixelMap&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1122,6 +1144,7 @@ async function example() { ...@@ -1122,6 +1144,7 @@ async function example() {
order: fileKeyObj.DATE_ADDED + " DESC", order: fileKeyObj.DATE_ADDED + " DESC",
extendArgs: "", extendArgs: "",
}; };
let size = { width: 720, height: 720 };
const fetchFileResult = await media.getFileAssets(getImageOp); const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject(); const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size, (err, pixelmap) => { asset.getThumbnail(size, (err, pixelmap) => {
...@@ -1156,6 +1179,7 @@ getThumbnail(size?: Size): Promise&lt;image.PixelMap&gt; ...@@ -1156,6 +1179,7 @@ getThumbnail(size?: Size): Promise&lt;image.PixelMap&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1163,6 +1187,7 @@ async function example() { ...@@ -1163,6 +1187,7 @@ async function example() {
order: fileKeyObj.DATE_ADDED + " DESC", order: fileKeyObj.DATE_ADDED + " DESC",
extendArgs: "", extendArgs: "",
}; };
let size = { width: 720, height: 720 };
const fetchFileResult = await media.getFileAssets(getImageOp); const fetchFileResult = await media.getFileAssets(getImageOp);
const asset = await fetchFileResult.getFirstObject(); const asset = await fetchFileResult.getFirstObject();
asset.getThumbnail(size) asset.getThumbnail(size)
...@@ -1196,6 +1221,7 @@ favorite(isFavorite: boolean, callback: AsyncCallback&lt;void&gt;): void ...@@ -1196,6 +1221,7 @@ favorite(isFavorite: boolean, callback: AsyncCallback&lt;void&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1237,6 +1263,7 @@ favorite(isFavorite: boolean): Promise&lt;void&gt; ...@@ -1237,6 +1263,7 @@ favorite(isFavorite: boolean): Promise&lt;void&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1274,6 +1301,7 @@ isFavorite(callback: AsyncCallback&lt;boolean&gt;): void ...@@ -1274,6 +1301,7 @@ isFavorite(callback: AsyncCallback&lt;boolean&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1313,6 +1341,7 @@ isFavorite():Promise&lt;boolean&gt; ...@@ -1313,6 +1341,7 @@ isFavorite():Promise&lt;boolean&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1353,6 +1382,7 @@ trash(isTrash: boolean, callback: AsyncCallback&lt;void&gt;): void ...@@ -1353,6 +1382,7 @@ trash(isTrash: boolean, callback: AsyncCallback&lt;void&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1397,6 +1427,7 @@ trash(isTrash: boolean): Promise&lt;void&gt; ...@@ -1397,6 +1427,7 @@ trash(isTrash: boolean): Promise&lt;void&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1434,6 +1465,7 @@ isTrash(callback: AsyncCallback&lt;boolean&gt;): void ...@@ -1434,6 +1465,7 @@ isTrash(callback: AsyncCallback&lt;boolean&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1447,7 +1479,7 @@ async function example() { ...@@ -1447,7 +1479,7 @@ async function example() {
function isTrashCallBack(err, isTrash) { function isTrashCallBack(err, isTrash) {
if (isTrash == true) { if (isTrash == true) {
console.info('mediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK isTrash = ' + isTrash); console.info('mediaLibraryTest : ASSET_CALLBACK ASSET_CALLBACK isTrash = ' + isTrash);
asset.trash(true, trashCallBack); asset.trash(true, istrashCallBack);
} else { } else {
console.info('mediaLibraryTest : ASSET_CALLBACK isTrash Unsuccessfull = ' + err); console.info('mediaLibraryTest : ASSET_CALLBACK isTrash Unsuccessfull = ' + err);
...@@ -1478,6 +1510,7 @@ isTrash():Promise&lt;boolean&gt; ...@@ -1478,6 +1510,7 @@ isTrash():Promise&lt;boolean&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1517,6 +1550,8 @@ getCount(): number ...@@ -1517,6 +1550,8 @@ getCount(): number
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let fileType = mediaLibrary.MediaType.FILE;
let getFileCountOneOp = { let getFileCountOneOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString()], selectionArgs: [fileType.toString()],
...@@ -1546,6 +1581,7 @@ isAfterLast(): boolean ...@@ -1546,6 +1581,7 @@ isAfterLast(): boolean
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1583,6 +1619,7 @@ close(): void ...@@ -1583,6 +1619,7 @@ close(): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1613,6 +1650,7 @@ getFirstObject(callback: AsyncCallback&lt;FileAsset&gt;): void ...@@ -1613,6 +1650,7 @@ getFirstObject(callback: AsyncCallback&lt;FileAsset&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1621,12 +1659,12 @@ async function example() { ...@@ -1621,12 +1659,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getFirstObject((err, value) => { fetchFileResult.getFirstObject((err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1649,6 +1687,7 @@ getFirstObject(): Promise&lt;FileAsset&gt; ...@@ -1649,6 +1687,7 @@ getFirstObject(): Promise&lt;FileAsset&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1683,6 +1722,7 @@ async function example() { ...@@ -1683,6 +1722,7 @@ async function example() {
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1691,12 +1731,12 @@ async function example() { ...@@ -1691,12 +1731,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getNextObject((err, value) => { fetchFileResult.getNextObject((err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1719,6 +1759,7 @@ async function example() { ...@@ -1719,6 +1759,7 @@ async function example() {
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1729,7 +1770,7 @@ async function example() { ...@@ -1729,7 +1770,7 @@ async function example() {
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
const fetchCount = fetchFileResult.getCount(); const fetchCount = fetchFileResult.getCount();
console.info('mediaLibraryTest : count:' + fetchCount); console.info('mediaLibraryTest : count:' + fetchCount);
fileAsset = await fetchFileResult.getNextObject(); let fileAsset = await fetchFileResult.getNextObject();
} }
``` ```
...@@ -1751,6 +1792,7 @@ getLastObject(callback: AsyncCallback&lt;FileAsset&gt;): void ...@@ -1751,6 +1792,7 @@ getLastObject(callback: AsyncCallback&lt;FileAsset&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1759,12 +1801,12 @@ async function example() { ...@@ -1759,12 +1801,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getLastObject((err, value) => { fetchFileResult.getLastObject((err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1787,6 +1829,7 @@ getLastObject(): Promise&lt;FileAsset&gt; ...@@ -1787,6 +1829,7 @@ getLastObject(): Promise&lt;FileAsset&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1818,6 +1861,7 @@ getPositionObject(index: number, callback: AsyncCallback&lt;FileAsset&gt;): void ...@@ -1818,6 +1861,7 @@ getPositionObject(index: number, callback: AsyncCallback&lt;FileAsset&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1826,12 +1870,12 @@ async function example() { ...@@ -1826,12 +1870,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(0, (err, value) => { fetchFileResult.getPositionObject(0, (err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1860,6 +1904,7 @@ getPositionObject(index: number): Promise&lt;FileAsset&gt; ...@@ -1860,6 +1904,7 @@ getPositionObject(index: number): Promise&lt;FileAsset&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1868,12 +1913,12 @@ async function example() { ...@@ -1868,12 +1913,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getPositionObject(1, (err, value) => { fetchFileResult.getPositionObject(1, (err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1896,6 +1941,7 @@ getAllObject(callback: AsyncCallback&lt;Array&lt;FileAsset&gt;&gt;): void ...@@ -1896,6 +1941,7 @@ getAllObject(callback: AsyncCallback&lt;Array&lt;FileAsset&gt;&gt;): void
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -1904,12 +1950,12 @@ async function example() { ...@@ -1904,12 +1950,12 @@ async function example() {
extendArgs: "", extendArgs: "",
}; };
let fetchFileResult = await media.getFileAssets(getImageOp); let fetchFileResult = await media.getFileAssets(getImageOp);
fetchFileResult.getAllObject((err, value) => { fetchFileResult.getAllObject((err, fileAsset) => {
if (err) { if (err) {
console.error('Failed '); console.error('Failed ');
return; return;
} }
console.log(value); console.log('fileAsset.displayName : ' + fileAsset.displayName);
}) })
} }
``` ```
...@@ -1932,6 +1978,7 @@ getAllObject(): Promise&lt;Array&lt;FileAsset&gt;&gt; ...@@ -1932,6 +1978,7 @@ getAllObject(): Promise&lt;Array&lt;FileAsset&gt;&gt;
``` ```
async function example() { async function example() {
let fileKeyObj = mediaLibrary.FileKey
let imageType = mediaLibrary.MediaType.IMAGE; let imageType = mediaLibrary.MediaType.IMAGE;
let getImageOp = { let getImageOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ?', selections: fileKeyObj.MEDIA_TYPE + '= ?',
...@@ -2059,6 +2106,10 @@ async function example() { ...@@ -2059,6 +2106,10 @@ async function example() {
selections: '', selections: '',
selectionArgs: [], selectionArgs: [],
}; };
let fileNoArgsfetchOp = {
selections: '',
selectionArgs: [],
}
const albumList = await media.getAlbums(AlbumNoArgsfetchOp); const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0]; const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp, getFileAssetsCallBack); album.getFileAssets(fileNoArgsfetchOp, getFileAssetsCallBack);
...@@ -2098,6 +2149,10 @@ async function example() { ...@@ -2098,6 +2149,10 @@ async function example() {
selections: '', selections: '',
selectionArgs: [], selectionArgs: [],
}; };
let fileNoArgsfetchOp = {
selections: '',
selectionArgs: [],
}
const albumList = await media.getAlbums(AlbumNoArgsfetchOp); const albumList = await media.getAlbums(AlbumNoArgsfetchOp);
const album = albumList[0]; const album = albumList[0];
album.getFileAssets(fileNoArgsfetchOp).then(function(albumFetchFileResult){ album.getFileAssets(fileNoArgsfetchOp).then(function(albumFetchFileResult){
...@@ -2249,3 +2304,4 @@ async function example() { ...@@ -2249,3 +2304,4 @@ async function example() {
| ----- | ------ | ---- | -------------------- | | ----- | ------ | ---- | -------------------- |
| type | string | 是 | 媒体类型，包括：image, video, media，当前仅支持media类型 | | type | string | 是 | 媒体类型，包括：image, video, media，当前仅支持media类型 |
| count | number | 是 | 媒体选择，count = 1表示单选，count大于1表示多选。 | | count | number | 是 | 媒体选择，count = 1表示单选，count大于1表示多选。 |
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或