创建“加载...”查看使用iPhone SDK [英] Creating a "loading..." view using iPhone SDK

问题描述

当一些长时间未完成的操作正在进行时，如何创建许多应用程序使用的黑色/灰色模式弹出式视图？

How to create that black/gray modal popup kind of view that many apps use, when some long pending operation is in progress?

像使用基于位置的服务，加载网页，屏幕变暗，并且有一个模式视图显示旋转图标请稍候...

Like when using location based services, loading a webpage, the screen goes dim and there is a modal view showing a spinning icon "Please wait..."

以下截图中的示例：

推荐答案

如果你想避免无证api，你也可以看看 MBProgressHUD 。它类似于UIProgressHUD甚至有一些额外的功能。

If you want to avoid undocumented api you can also take a look at MBProgressHUD. It's similar to UIProgressHUD and even has some additional features.

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