Delete border space around GridView

I try to remove red border around GridView to completely fill screen my calendar(without padding from left, right and top).

开发者_如何学编程

margin=0
padding=0
background=@null 

isn't fix the problem. I don't use any 9path background image. what's the problem ?

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Your "issue" is the selector. You can change it using: android:listSelector.

You can try removing the selector with android:listSelector="@null or creating a custom one. Here's a tutorial.

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The following sets the color around the image to white:

android:listSelector="@drawable/solid_white"