52 lines
1.5 KiB
Dart
52 lines
1.5 KiB
Dart
import 'package:permission_handler/permission_handler.dart';
|
|
|
|
class PermissionService {
|
|
PermissionService._();
|
|
|
|
static Future<bool> request(Permission permission) async {
|
|
final status = await permission.status;
|
|
if (status.isGranted || status.isLimited) return true;
|
|
|
|
final next = await permission.request();
|
|
return next.isGranted || next.isLimited;
|
|
}
|
|
|
|
static Future<Map<Permission, PermissionStatus>> requestAll(
|
|
Iterable<Permission> permissions,
|
|
) {
|
|
return permissions.toList().request();
|
|
}
|
|
|
|
/// 仅对尚未授予的权限发起系统授权弹窗，已授予则直接返回当前状态。
|
|
static Future<Map<Permission, PermissionStatus>> requestMissing(
|
|
Iterable<Permission> permissions,
|
|
) async {
|
|
final result = <Permission, PermissionStatus>{};
|
|
for (final permission in permissions) {
|
|
final current = await permission.status;
|
|
if (current.isGranted ||
|
|
current.isLimited ||
|
|
current.isPermanentlyDenied) {
|
|
result[permission] = current;
|
|
continue;
|
|
}
|
|
result[permission] = await permission.request();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static Future<bool> ensure(
|
|
Permission permission, {
|
|
bool openSettingsWhenPermanentlyDenied = true,
|
|
}) async {
|
|
final granted = await request(permission);
|
|
if (granted) return true;
|
|
|
|
final status = await permission.status;
|
|
if (openSettingsWhenPermanentlyDenied && status.isPermanentlyDenied) {
|
|
await openAppSettings();
|
|
}
|
|
return false;
|
|
}
|
|
}
|