选择图片——相机与相册

  

   

    

     

    
    

     

      - (IBAction)touchSelectImg:(id)sender {
     
    
   

    

     

    
    

     
    //在这里呼出下方菜单按钮项
     
    
   

    

     

    
    

     
    UIActionSheet *myActionSheet = [[UIActionSheet alloc]
     
    
   

    

     

    
    

     

                           initWithTitle:nil
     
    
   

    

     

    
    

     

                           delegate:self
     
    
   

    

     

    
    

     

                           cancelButtonTitle:@"取消"
     
    
   

    

     

    
    

     

                           destructiveButtonTitle:nil
     
    
   

    

     

    
    

     

                           otherButtonTitles: @"打开照相机", @"从手机相册获取",nil];
     
    
   

    

     

    
    

     

          [myActionSheet showInView:self.view];
     
    
   

    

     

    
    

     

      }
     
    
  
 

<UINavigationControllerDelegate,UIImagePickerControllerDelegate,UIActionSheetDelegate>

  

   

    

     

    
    

     

      - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    //呼出的菜单按钮点击后的响应
     
    
   

    

     

    
    

     
    if (buttonIndex == actionSheet.cancelButtonIndex){
     
    
   

    

     

    
    

     
        NSLog(@"取消");
     
    
   

    

     

    
    

     

          }else{
     
    
   

    

     

    
    

     
        switch (buttonIndex){
     
    
   

    

     

    
    

     
            case 0:  //打开照相机拍照
     
    
   

    

     

    
    

     

                      [self takePhoto];
     
    
   

    

     

    
    

     
                break;
     
    
   

    

     

    
    

     
            case 1:  //打开本地相册
     
    
   

    

     

    
    

     

                      [self LocalPhoto];
     
    
   

    

     

    
    

     
                break;
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     

          }
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      //开始拍照
     
    
   

    

     

    
    

     

      -(void)takePhoto
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
     
    
   

    

     

    
    

     
    if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera])
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        UIImagePickerController *picker = [[UIImagePickerController alloc] init];
     
    
   

    

     

    
    

     

              picker.delegate = self;
     
    
   

    

     

    
    

     
        //设置拍照后的图片可被编辑
     
    
   

    

     

    
    

     

              picker.allowsEditing = YES;
     
    
   

    

     

    
    

     

              picker.sourceType = sourceType;
     
    
   

    

     

    
    

     

              [self presentViewController:picker animated:YES completion:nil];
     
    
   

    

     

    
    

     

          }else
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        NSLog(@"模拟其中无法打开照相机,请在真机中使用");
     
    
   

    

     

    
    

     

          }
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     

      //打开本地相册
     
    
   

    

     

    
    

     

      -(void)LocalPhoto
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    UIImagePickerController *picker = [[UIImagePickerController alloc] init];
     
    
   

    

     

    
    

     

          picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
     
    
   

    

     

    
    

     

          picker.delegate = self;
     
    
   

    

     

    
    

     
    //设置选择后的图片可被编辑
     
    
   

    

     

    
    

     

          picker.allowsEditing = YES;
     
    
   

    

     

    
    

     

          [self presentViewController:picker animated:YES completion:nil];
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      //当选择一张图片后进入这里
     
    
   

    

     

    
    

     

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

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    NSString *type = [info objectForKey:UIImagePickerControllerMediaType];
     
    
   

    

     

    
    

     
    //当选择的类型是图片
     
    
   

    

     

    
    

     
    if ([type isEqualToString:@"public.image"])
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        UIImage* image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
     
    
   

    

     

    
    

     

              [picker dismissViewControllerAnimated:YES completion:nil];
     
    
   

    

     

    
    

     

          }
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     

      //您取消了选择图片
     
    
   

    

     

    
    

     

      - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    NSLog(@"您取消了选择图片");
     
    
   

    

     

    
    

     

          [picker dismissViewControllerAnimated:YES completion:nil];
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/50765225