如何把按钮列表按钮时$ P $在iOS应用pssed

问题描述

我不知道该怎么寻找，或它叫什么，因为我是全新的。请帮助我，当我preSS按钮会显示其他按钮。我们发现它在很多应用程序，但我不知道这个名字。我在下面所附的图片。我怎样才能做到这一点的iOS应用程序。

I don't know what to search for or what it is called, as I am totally new. Please help me that when I press button it will show other button. We found it in lot of apps, but I don't know the name.. I attached its picture below. How can I do this in an iOS app.

推荐答案

正所谓 UIActionSheet 。

这是一个复杂的评估者例如：

And here is a rater complex example:

    UIActionSheet *actionSheet = [[UIActionSheet alloc] init] ;
    actionSheet.title = @"Change pincode?";
    actionSheet.delegate = self;
    actionSheet.tag = kChangePincode;

    [actionSheet addButtonWithTitle:@"Chacge pincode"];
    [actionSheet addButtonWithTitle:@"Remove pin code"];

    [actionSheet addButtonWithTitle:@"cancel"];
    [actionSheet setCancelButtonIndex:(actionSheet.numberOfButtons - 1)];

    [actionSheet showInView:self.view];

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