user interface - android: what's this slider bar called and how to implement it? -

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this may dumb question please tell me slider (highlighted in yellow) called in android? navigation bar?enter image description here

i want implement same slider in app, please let me know if there's sample can refer to?

thanks.

as part highlighted, doesn't have particular name, it's view selector background.

as mechanism (pulling view reveal another), slidingdrawer. note has been deprecated in api 17, ui pattern not encouraged anymore.


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