Android Development, 9-patch picture setting background problems

9-patch in order to solve the different sub-screen image adaptability, the picture has been padding, and in Android, to give a control to set a background map, and ultimately to call the Setbackgrounddrawable method to set the picture resources, and this method of execution is like this, If the picture resource is padding, it defaults to the padding of the control. Based on this, if the control does not explicitly set its own padding, will be able to appear in the picture can come out, but the contents of the inside, such as the text cannot see the situation, at this time need to set their own control padding, before it can be displayed normally.

Android Development, 9-patch picture setting background problems