iphone - UIImagePickerController didFinishPickingMediaWithInfo 未被调用

Question

我在使用 UIImagePickerController 时遇到问题。基本上，虽然选择器显示良好，但 UIImagePickerController didFinishPickingMediaWithInfo 方法拒绝被调用(我一直尝试 NSLogging，只是没有被调用)。这是我的代码(我已在 header 中将 imgPicker 定义为 UIImagePickerController):

-(IBAction)grabImage {
    self.imgPicker = [[UIImagePickerController alloc] init];
    self.imgPicker.allowsImageEditing = YES;
    self.imgPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    [self presentModalViewController:self.imgPicker animated:YES];
}

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    imgview.image = [info objectForKey:UIImagePickerControllerEditedImage];
    [[picker parentViewController] dismissModalViewControllerAnimated:YES];
}

有人知道为什么它没有被调用吗？

Answer 1

你是否设置了 UIImagePickerController 的 delegate 属性，如果没有设置如下

myImagePickerController.delegate = self;

同时确认 UIImagePickerControllerDelegate 协议(protocol)，