An OnClickListener standard red, always the resolve method "an OnClickListener" (anonymous android. View. The view an OnClickListener)

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Without this method demonstrated in FloatingActionButton, don't see the button will feel the onclick

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Implements the View. An OnClickListener, try to implement the interface

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refer to the second floor BDMH response:

indicates FloatingActionButton without this approach, don't feel the onclick see the button

Uncle, this is the button onclick yo,

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reference 1st floor Write_BUG small expert replies:

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This to the class of generics