调取系统相册 照相机

- (IBAction)photo:(id)sender {

UIImagePickerController* imagePickerController = [[UIImagePickerControlleralloc]init];

imagePickerController.navigationBar.tintColor= [UIColorblackColor];

imagePickerController.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;

imagePickerController.delegate=self;

imagePickerController.allowsEditing=YES;

[selfpresentViewController:imagePickerControlleranimated:YEScompletion:nil];

}

- (IBAction)picture:(id)sender {

if(![UIImagePickerControllerisSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])

{

UIAlertController*alertController=[UIAlertControlleralertControllerWithTitle:nilmessage:@"该设备不支持拍照功能"preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction*cancelAction = [UIAlertActionactionWithTitle:@"取消"style:UIAlertActionStyleCancelhandler:nil];

//initWithTitle:nil

//                                                        message:@"该设备不支持拍照功能"

//                                                       delegate:nil

//                                              cancelButtonTitle:nil

//                                              otherButtonTitles:@"好", nil];

[alertControlleraddAction:cancelAction];

[selfpresentViewController:alertControlleranimated:YEScompletion:nil];

}

else

{

UIImagePickerController* imagePickerController = [[UIImagePickerControlleralloc]init];

imagePickerController.sourceType=UIImagePickerControllerSourceTypeCamera;

imagePickerController.delegate=self;

imagePickerController.allowsEditing=NO;

[selfpresentViewController:imagePickerControlleranimated:YEScompletion:nil];

}

}

#pragma mark --UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingImage:(UIImage*)image editingInfo:(NSDictionary*)editingInfo {

_myImageView.image=image;

NSLog(@"%s",__func__);

[pickerdismissViewControllerAnimated:YEScompletion:nil];

UITapGestureRecognizer*tap=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(singleTap:)];

tap.numberOfTapsRequired=1;

[_myImageViewaddGestureRecognizer:tap];

}

- (void)imagePickerControllerDidCancel:(UIImagePickerController*)picker {

NSLog(@"%s",__func__);

[pickerdismissViewControllerAnimated:YEScompletion:nil];

}