PhotoPickerUtils.ets
2.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
import { abilityAccessCtrl, common, Permissions } from '@kit.AbilityKit';
import { picker } from '@kit.CoreFileKit';
import { camera, cameraPicker } from '@kit.CameraKit';
import { BusinessError } from '@kit.BasicServicesKit';
let mContext = getContext(this) as common.Context;
const PERMISSIONS: Array<Permissions> = [
'ohos.permission.READ_IMAGEVIDEO',
];
export class PhotoPickerUtils {
async getPhotoPicker(maxSelectNumber:number){
this.pickerPermissions()
let PhotoSelectOptions = new picker.PhotoSelectOptions();
PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE; // 过滤选择媒体文件类型
PhotoSelectOptions.maxSelectNumber = maxSelectNumber; // 选择媒体文件的最大数目
let photoPicker = new picker.PhotoViewPicker(); // 使用图库选择器对象前，需要先创建PhotoViewPicker实例
return new Promise<picker.PhotoSelectResult>((success, fail) => {
photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult) => {
if (PhotoSelectResult !== null && PhotoSelectResult !==
undefined) {
// 接口采用callback异步返回形式，返回PhotoSelectResult对象，故进行下一步操作前要先判断是否已经成功返回PhotoSelectResult对象了
success(PhotoSelectResult)
}
})
})
}
// async getCamera(){
// this.pickerPermissions()
//
// let pickerProfile: cameraPicker.PickerProfile = {
// cameraPosition: camera.CameraPosition.CAMERA_POSITION_BACK
// };
// let pickerResult: cameraPicker.PickerResult = await cameraPicker.pick(mContext,
// [cameraPicker.PickerMediaType.PHOTO, cameraPicker.PickerMediaType.VIDEO], pickerProfile);
//
// return new Promise<string>((success, fail) => {
// if (pickerResult['resultCode'] === 0) {
// success(pickerResult['resultUri'])
// }
// })
// }
async pickerPermissions(){
///权限查询
const context = getContext(this) as common.UIAbilityContext;
const atManager = abilityAccessCtrl.createAtManager();
await atManager.requestPermissionsFromUser(context, PERMISSIONS);
}
}
export const photoPickerUtils: PhotoPickerUtils = new PhotoPickerUtils();