将多个UIButton添加到UIView [英] Adding multiple UIButtons to an UIView

问题描述

我已经以编程方式向UIView添加了一些按钮(通过addSubview).但是，它们显示为叠加层(因此，我始终只能看到最后一个按钮).如何在现有按钮下方添加新按钮?

I've added some buttons to an UIView (via addSubview) programmatically. However, they appear as overlays (so that I always see the last button only). How do I add new buttons below existing buttons?

致谢

推荐答案

您可以像这样偏移按钮

int newX = previousButton.frame.origin.x + previousButton.frame.size.width ;
int newY = previousButton.frame.origin.y ;

，并在创建新按钮时为其设置框架:

and either set the frame for new button when you create it:

[[UIButton alloc] initWithFrame:CGRectMake(newX,newY,100,100)];

或稍后设置框架

newButton.frame = CGRectMake(newX,newY,100,100);

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