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android - Usage of forceLayout(), requestLayout() and invalidate()

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android - Usage of forceLayout(), requestLayout() and invalidate()

I'm a bit confused about the roles of forceLayout(), requestLayout() and invalidate() methods of the View class.

When shall they be called?

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To better understand answers provided by Fran?ois BOURLIEUX and Dalvik I suggest you take a look at this awesome view lifecycle diagram by Arpit Mathur: enter image description here


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