摄像头权限判断
// 頭文件
#import <AVFoundation/AVFoundation.h>// 項目配置
<key>NSCameraUsageDescription</key>
<string>需要獲取您的攝像頭信息</string>// 權限判斷
- (BOOL)isValidDevice
{/// 先判斷攝像頭硬件是否好用if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {// 用戶是否允許攝像頭使用AVAuthorizationStatus authorizationStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];// 不允許彈出提示框if (authorizationStatus == AVAuthorizationStatusRestricted || authorizationStatus == AVAuthorizationStatusDenied) {return NO;} else {return YES;}} else {// 硬件問題提示return NO;}
}
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