how to design Android Edittext with sharp edges something like facebook text boxes?

i want to design edittext with sharp edges something like facebook .sample code is appritiated开发者_StackOverflow中文版.

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http://www.androidworks.com/changing-the-android-edittext-ui-widget

you can draw 9 patch image in the shape u need and give it as the background to your EditText.

and also check this link

Problem with EditText background (android)