Button背景颜色选择器。

----- res/drawable/btn_status_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="false">
<color android:color="#9000"></color>
</item>
<item android:state_pressed="true">
<color android:color="#3f00"></color>
</item>
<item>
<color android:color="#9f00"></color>
</item>
</selector>

----- 不同状态对应的颜色是完全独立的，互不影响的

-----  #9f00 normal

----- #3f00 pressed

-----#9000 state_enabled = false

final Button btnStatus = (Button) findViewById(R.id.btn_status);
btnStatus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
btnStatus.setEnabled(false);
Toast.makeText(MainActivity.this, "btn", Toast.LENGTH_SHORT).show();
}
});

--- 对应效果 

normal #9f00

按下  #3f00

设置为status_enabled = false     #9000