如何使用弹出视图控制器返回原始视图

Question

我有一个按钮＆amp;当我点击按钮它移动到另一个视图控制器然后有一个后退按钮，当我点击它需要时间回去

我这样做

GeoNewsViewController*targetController=[[GeoNewsViewController alloc] init];
[self.navigationController pushViewController:targetController animated:YES];

Answer 1

-(void) viewWillDisappear:(BOOL)animated{

    //remove unnecessary code here if u have

    //if u use any webservice then cancel connection here

    //stop any animations if

}

你可以用这样的动画编程返回

        [self.navigationController popViewControllerAnimated:YES];