Click the button to pop up a android development area?

android development android Graphics layout

I want to achieve on android, click a button to pop up an area, and this area is not xml layout, all written in code. Finally, in this area draw graphics!

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Reply:
I think you say is the custom pop-up effect it
http://blog.csdn.net/rzleilei/article/details/9717019
Directly to Relativelayout write something on it inside