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Camera(相机)常见属性检测

2016-06-25 13:46:12  来源:慕课网

  1.判断相机是否可用
(BOOL) isCameravail{
return [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];
}
2.赏光灯是否可用 (BOOL) isCameraFlashavail{
//前置摄像头
return [UIImagePickerController isFlashAvailableForCameraDevice:
UIImagePickerControllerCameraDeviceFront];
//后置摄像头
return [UIImagePickerController isFlashAvailableForCameraDevice:UIImagePickerControllerCameraDeviceRear];
}
3.摄像头是否可用 (BOOL) isCameraavail{
//前置摄像头
return [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront];
//后置摄像头
return [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];
}
4.判断当前的摄像头支持媒体类型照片OR录像
//拍照
if([self cameraSupportMedia:(_bridge NSString*) KUTTypeImage]){   }
//录像
if([self cameraSupportMedia:(_bridge NSString*) KUTTypeMovie]){
  }
  (BOOL) cameraSupportMedia: (NSString )paraMediaType{
NSArray avaiableMedia = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera];
for (NSString *item in avaiableMedia) {
if ([item isEqualToString:paraMediaType]) {
return true;
}
}
  return false;
}