访问系统相册

た入场券 2022-08-09 18:48 213阅读 0赞

## **1：**首先遵守协议 ##

UIImagePickerControllerDelegate,UINavigationControllerDelegate

## 2：  \- (void)imageChange:(UIButton \*)button\{      NSLog(@"调用系统相册");     if (button!=self.button) \{         self.isChange=NO;         self.button=button;      \}      self.isChange=YES;      UIImagePickerController \*imagePickerController = \[\[UIImagePickerControlleralloc\] init\];      imagePickerController.delegate =self;      imagePickerController.allowsEditing =YES;      imagePickerController.sourceType =UIImagePickerControllerSourceTypePhotoLibrary;      \[selfpresentViewController:imagePickerController animated:YEScompletion:^\{\}\];  \}  \#pragma mark - 保存图片至沙盒  \- (void) saveImage:(UIImage \*)currentImage withName:(NSString \*)imageName  \{     NSData \*imageData = UIImageJPEGRepresentation(currentImage,  0.5);      NSString \*fullPath = \[\[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"\]stringByAppendingPathComponent:imageName\];      \[imageDatawriteToFile:fullPath atomically:NO\];  \}  \- (void)imagePickerController:(UIImagePickerController \*)picker didFinishPickingMediaWithInfo:(NSDictionary \*)info\{      \[picker dismissViewControllerAnimated:YEScompletion:^\{\}\];      UIImage \*image = \[infoobjectForKey:UIImagePickerControllerOriginalImage\];      \[selfsaveImage:imagewithName:@"currentImage.png"\];      NSString \*fullPath = \[\[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"\]stringByAppendingPathComponent:@"currentImage.png"\];     if (self.isChange==YES) \{         self.savedImage = \[\[UIImagealloc\] initWithContentsOfFile:fullPath\];          self.addImageView=\[\[UIImageViewalloc\]initWithFrame:CGRectMake(0,0,88,87)\];          self.addImageView.layer.masksToBounds=YES;          self.addImageView.layer.cornerRadius=44;          self.addImageView.image=self.savedImage;          \[self.buttonaddSubview:self.addImageView\];      \}elseif (self.isChange==NO)\{         return ;      \}     \}       原文链接：http://blog.csdn.net/darongzi1314/article/details/43405327    ##