调用本地相册本地相机

访问本地相册

1 需要签两个协议                  <UIImagePickerControllerDelegate, UINavigationControllerDelegate>

2 创建UIImagePickerController来访问相册UIImagePickerController *picker = [[UIImagePickerController alloc] init];

3 签代理  picker.delegate = self;

4 picker.allowsEditing = YES;  然后允许进行编辑

5 进行跳转 [self presentViewController:picker animated:YES completion:^{}];

6 在- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info方法中获取图片

7 UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage]; 从字典里提取info里的图片内容

8 self.imageView.image= image; 把图片赋给UIImageView

9 用户交互一定要打开 self.imageView.userInteractionEnabled=YES;

访问本地相机

1 UIImagePickerControllerSourceTypetype =UIImagePickerControllerSourceTypeCamera; 先把SourceType设置为相机

2 type =UIImagePickerControllerSourceTypeCamera;  照相机

3 sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum; 保存的相片

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

5 签代理 picker.delegate = self;

6 picker.allowsEditing = YES; 设置可编辑

7 picker.sourceType = sourceType;

8 [self presentModalViewController:picker animated:YES]; 进入照相界面