我有两个类:View1和SelectImage。 View1导入SelectImage。 SelectImage用于向用户呈现UIView,允许用户选择如何从设备中抓取照片。轻击按钮在该列表中,然后将消息发送到的以下方法之一...无法获取UIImagePickerController工作
在此代码:
-(void)importFromCamera:(id)sender
{
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
[imagePicker setSourceType:UIImagePickerControllerSourceTypeCamera];
[imagePicker setDelegate:self];
[self presentModalViewController:imagePicker animated:YES];
}
-(void)importFromPhotoLibrary:(id)sender
{
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
[imagePicker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
[imagePicker setDelegate:self];
[self presentModalViewController:imagePicker animated:YES];
}
-(void)importFromSavedPhotosAlbum:(id)sender
{
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
[imagePicker setSourceType:UIImagePickerControllerSourceTypeSavedPhotosAlbum];
UIViewController *viewController = [UIViewController alloc];
[imagePicker setDelegate:self];
[self presentModalViewController:imagePicker animated:YES];
}
编译器会抱怨:
接收机类型“SelectImage”的实例消息不具有选择声明一个 方法“presentModalViewController:动画:”
在的每个实例[self presentModalViewController:imagePicker animated:YES];
不知道我错过了什么。我环顾四周,只能找到能够把所有东西放在同一个班级的例子。
是因为该类是UIView而不是UIViewController?我很确定我有必要的代表协议:。
我试图让这个功能包含在一个类中,以允许其他视图也可以使用它(View2,View3等)。
谢谢!