Make an Android button change background on click through XML

Question

Is there a way to specify an alternative background image/color for a Button in the XML file that is going to be applied onClick, or do I have to do a Button.setBackground() in the onClickListener?

Answer 1

To change the image by using code:

public void onClick(View v) {    if(v.id == R.id.button_id) {      ButtonName.setImageResource(R.drawable.ImageName);    } } 

Or, using an XML file:

<?xml version="1.0" encoding="utf-8"?>  <selector xmlns:android="http://schemas.android.com/apk/res/android">   <item android:state_pressed="true"    android:drawable="@drawable/login_selected" /> <!-- pressed -->   <item android:state_focused="true"    android:drawable="@drawable/login_mouse_over" /> <!-- focused -->   <item android:drawable="@drawable/login" /> <!-- default --> </selector> 

In OnClick, just add this code:

ButtonName.setBackgroundDrawable(getResources().getDrawable(R.drawable.ImageName)); 

Answer 2

In the latest version of the SDK, you would use the setBackgroundResource method.

public void onClick(View v) {    if(v == ButtonName) {      ButtonName.setBackgroundResource(R.drawable.ImageResource);    } }