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Android - what does requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS) do?

Pretty much in in the title.

Have seen this around and after a bit of searching can't seem to find out what it actually does or what indeterminate progress is.

requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS)

It's used for example by RoboSpice samples .

Update: Currently this feature is deprecated and not supported on current devices, check the official documentation .

Original answer:

Simply rotating circle in top right corner in Actionbar which represent some background action.

在此处输入图片说明

Screenshot is from Sherlock Actionbar demos .

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