在iPhone中加载圆形动画

Question

How can I display the loading screen animation in iphone? I mean the bars arranged in circles. So that I can use it while some of the part of my app is loading, like initializing. Or should I create may own animation loading?

Thanks.

Answer 1

That's a class called UIActivityIndicatorView. You can either instantiate it as you would any other view in your code or you can drop it into a nib with Interface Builder.

Answer 2

该小部件称为UIActivityIndicatorView 。

Answer 3

这是一个在等待某些事情发生时创建加载视图的好例子http://cocoawithlove.com/2009/04/showing-message-over-iphone-keyboard.html