iOS从相册 相机选择图片

iOS照片选择与拍摄
本文介绍如何使用UIImagePickerController在iOS应用中实现从相册选择图片及开启相机拍照功能,并展示了图片编辑与保存的方法。

 NSLog(@"从手机相机选择");

        imagePicker = [[UIImagePickerController alloc] init];

        imagePicker.delegate = self;

        imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

        imagePicker.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

        imagePicker.allowsEditing = YES;

        

        [self presentViewController:imagePicker animated:YES completion:^{

            

        }];

NSLog(@"拍照");

        imagePicker = [[UIImagePickerController alloc] init];

        imagePicker.delegate = self;

        imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;

        imagePicker.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

        imagePicker.allowsEditing = YES;

        

        [self presentViewController:imagePicker animated:YES completion:^{

            

        }];


#pragma mark -

 #pragma UIImagePickerController Delegate

 - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

 {


               UIImage  *img = [info objectForKey:UIImagePickerControllerEditedImage];

               _imageData = UIImageJPEGRepresentation(img, 1.0);

            _manPhotoImageView.image = [UIImage imageWithData:_imageData];


        [picker dismissViewControllerAnimated:YES completion:^{

            

        }];

     }


 - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker

 {

        [picker dismissViewControllerAnimated:YES completion:^{

            

        }];

}



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