PermissionUtil.ets
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import bundleManager from '@ohos.bundle.bundleManager';
import abilityAccessCtrl, { Permissions } from '@ohos.abilityAccessCtrl';
import common from '@ohos.app.ability.common';
import featureAbility from '@ohos.ability.featureAbility';
import wantConstant from '@ohos.ability.wantConstant';
import Want from '@ohos.app.ability.Want';
import { AppUtils } from './AppUtils';
import { Callback } from '@ohos.base';
export class PermissionUtil {
async checkAccessToken(permission: Permissions): Promise<abilityAccessCtrl.GrantStatus> {
let atManager = abilityAccessCtrl.createAtManager();
let grantStatus: abilityAccessCtrl.GrantStatus = abilityAccessCtrl.GrantStatus.PERMISSION_DENIED;
// 获取应用程序的accessTokenID
let tokenId: number = 0;
try {
let bundleInfo: bundleManager.BundleInfo = await bundleManager.getBundleInfoForSelf(bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION);
let appInfo: bundleManager.ApplicationInfo = bundleInfo.appInfo;
tokenId = appInfo.accessTokenId;
} catch (err) {
console.error(`getBundleInfoForSelf failed, code is ${err.code}, message is ${err.message}`);
}
// 校验应用是否被授予权限
try {
grantStatus = await atManager.checkAccessToken(tokenId, permission);
} catch (err) {
console.error(`checkAccessToken failed, code is ${err.code}, message is ${err.message}`);
}
return grantStatus;
}
async checkPermissions(permission: Permissions): Promise<boolean> {
let hasPermissions = false;
let grantStatus: abilityAccessCtrl.GrantStatus = await this.checkAccessToken(permission);
if (grantStatus === abilityAccessCtrl.GrantStatus.PERMISSION_GRANTED) {
// 已经授权，可以继续访问目标操作
hasPermissions = true;
} else {
hasPermissions = false;
// 申请日历权限
}
return hasPermissions;
}
static reqPermissionsFromUser(permissions: Array<Permissions>, component: Object): Promise<boolean> {
// let hasPermissions = false;
return new Promise((resolve) => {
let context = getContext(component) as common.UIAbilityContext;
let atManager = abilityAccessCtrl.createAtManager();
// requestPermissionsFromUser会判断权限的授权状态来决定是否唤起弹窗
atManager.requestPermissionsFromUser(context, permissions).then((data) => {
let grantStatus: Array<number> = data.authResults;
let length: number = grantStatus.length;
for (let i = 0; i < length; i++) {
if (grantStatus[i] === 0) {
// 用户授权，可以继续访问目标操作
resolve(true);
} else {
PermissionUtil.openPermissionsInSystemSettings(component);
}
}
// 授权成功
}).catch((err:Error) => {
})
});
// return hasPermissions;
}
static openPermissionsInSystemSettings(component: Object): void {
let context = getContext(component) as common.UIAbilityContext;
let wantInfo:Want = {
action: 'action.settings.app.info',
parameters: {
settingsParamBundleName: AppUtils.getPackageName(context) // 打开指定应用的详情页面
}
}
context.startAbility(wantInfo).then(() => {
// ...
}).catch((err:Error) => {
// ...
})
}
}