UIImagePickerController

1.资源的类型:typedef NS_ENUM(NSInteger, UIImagePickerControllerSourceType) {    UIImagePickerControllerSourceTypePhotoLibrary,//本地的图片    UIImagePickerControllerSourceTypeCamera,//摄像头    UIImagePickerControllerSourceTypeSavedPhotosAlbum//相册};相关的方法和属性:+ (BOOL)isSourceTypeAvailable:(UIImagePickerControllerSourceType)sourceType;//判断当前的类型是否可用.@property(nonatomic)           UIImagePickerControllerSourceType     sourceType;//设置当前的资源类型2.媒体类型:(coremedia框架中的)(NSString *)kUTTypeImage,//图片(NSString *)kUTTypeMovie//视频相关的方法和属性:+ (NSArray *)availableMediaTypesForSourceType:(UIImagePickerControllerSourceType)sourceType; //资源类型下可用的媒体类型@property(nonatomic,copy)      NSArray                              *mediaTypes; //设置当前的媒体类型设置上面的两个属性就能够正常的设置我们的ImagePickerController,如果想要设置的更加详细,或者是要实现自定义的imagepicker用到下面更加详细的配置3.媒体质量相关的宏:typedef NS_ENUM(NSInteger, UIImagePickerControllerQualityType) {    UIImagePickerControllerQualityTypeHigh = 0,       // highest quality    UIImagePickerControllerQualityTypeMedium = 1,     // medium quality, suitable for transmission via Wi-Fi     UIImagePickerControllerQualityTypeLow = 2,         // lowest quality, suitable for tranmission via cellular network#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_4_0    UIImagePickerControllerQualityType640x480 = 3,    // VGA quality#endif#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_5_0    UIImagePickerControllerQualityTypeIFrame1280x720 = 4,    UIImagePickerControllerQualityTypeIFrame960x540 = 5#endif};对应的属性:@property(nonatomic)           UIImagePickerControllerQualityType    videoQuality //质量4.设备支持的摄像头typedef NS_ENUM(NSInteger, UIImagePickerControllerCameraDevice) {    UIImagePickerControllerCameraDeviceRear,//后    UIImagePickerControllerCameraDeviceFront//前};相关的方法和属性:+ (BOOL)isCameraDeviceAvailable:(UIImagePickerControllerCameraDevice)cameraDevice //对应的摄像头是否可用@property(nonatomic) UIImagePickerControllerCameraDevice      cameraDevice //当前的摄像头5.摄像头支持的类型:typedef NS_ENUM(NSInteger, UIImagePickerControllerCameraCaptureMode) {    UIImagePickerControllerCameraCaptureModePhoto,//拍照    UIImagePickerControllerCameraCaptureModeVideo//拍视频};相关方法和属性:+ (NSArray *)availableCaptureModesForCameraDevice:(UIImagePickerControllerCameraDevice)cameraDevice //对饮摄像头支持的类型@property(nonatomic) UIImagePickerControllerCameraCaptureMode cameraCaptureMode//6.闪光策略:typedef NS_ENUM(NSInteger, UIImagePickerControllerCameraFlashMode) {    UIImagePickerControllerCameraFlashModeOff  = -1,    UIImagePickerControllerCameraFlashModeAuto = 0,    UIImagePickerControllerCameraFlashModeOn   = 1};相关方法和属性:+ (BOOL)isFlashAvailableForCameraDevice:(UIImagePickerControllerCameraDevice)cameraDevice //是否支持闪光@property(nonatomic) UIImagePickerControllerCameraFlashMode   cameraFlashMode//当前额闪光类型7.其他@property(nonatomic)           BOOL                                  allowsEditing //是否可编辑(有个调整的小框框)@property(nonatomic)           BOOL                                  showsCameraControls //隐藏控制器上的工具蓝@property(nonatomic,retain)    UIView                                *cameraOverlayView  //可以添加自定义的工具栏@property(nonatomic)           CGAffineTransform                     cameraViewTransform //旋转属性- (void)takePicture NS_AVAILABLE_IOS(3_1);                                                   - (BOOL)startVideoCapture NS_AVAILABLE_IOS(4_0);- (void)stopVideoCapture  NS_AVAILABLE_IOS(4_0);返回结果的处理:/*info 字典中的key*/UIKIT_EXTERN NSString *const <span style="color:#FF0000;">UIImagePickerControllerMediaType</span>;      // an NSString (UTI, i.e. kUTTypeImage)UIKIT_EXTERN NSString *const <span style="color:#FF0000;">UIImagePickerControllerOriginalImage</span>;  // a UIImage(不可编辑模式下)UIKIT_EXTERN NSString *const <span style="color:#FF0000;">UIImagePickerControllerEditedImage</span>;    // a UIImage(可编辑模式下)UIKIT_EXTERN NSString *const UIImagePickerControllerCropRect;       // an NSValue (CGRect)UIKIT_EXTERN NSString *const <span style="color:#FF0000;">UIImagePickerControllerMediaURL</span>;       // an NSURL (资源的url)UIKIT_EXTERN NSString *const UIImagePickerControllerReferenceURL        NS_AVAILABLE_IOS(4_1);  // an NSURL that references an asset in the AssetsLibrary frameworkUIKIT_EXTERN NSString *const UIImagePickerControllerMediaMetadata //有结果返回时- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;//点击取消时- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker都应该退出pickerVC