摘要:
方法一: NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString]; url = [NSURL URLWithString:UIApplicationOpenSettingsURLString]; if ([[UIAp 阅读全文
摘要:
NSString * mediaType = AVMediaTypeVideo; //相应的还有麦克风权限字符串等等 AVAuthorizationStatus authorizationStatus = [AVCaptureDevice authorizationStatusForMediaTyp 阅读全文