我的自定义相机叠加层上有一个调用此方法的按钮:-(void)changeFlash:(id)sender{//UIImagePickerControllerCameraFlashModeOff=-1,//UIImagePickerControllerCameraFlashModeAuto=0,//UIImagePickerControllerCameraFlashModeOn=1NSLog(@"before%d",self.picker.cameraFlashMode);switch(self.picker.cameraFlashMode){caseUIImagePickerContr

我有一个用自定义View覆盖相机的iPhone应用程序。我有一个按钮可以在相机闪光灯模式之间切换，这是代码switch([self.imagePickerControllercameraFlashMode]){caseUIImagePickerControllerCameraFlashModeAuto:[self.imagePickerControllersetCameraFlashMode:UIImagePickerControllerCameraFlashModeOn];return@"On";break;caseUIImagePickerControllerCameraFlash