title: keyBackground for special keys - android keyboard
body: <p>I develop Android keyboard based on the soft keyboard. Now to design the keyboard used in selector and changed the keybackgroung Now everything works except the single keys and active they appear as standard keys: (</p>
  
  <p>This is my slector code:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;selector
    xmlns:android="http://schemas.android.com/apk/res/android"&gt;
      &lt;item android:state_single="true" android:state_pressed="true" android:drawable="@drawable/btn_keyboard_key_dark_pressed_holo" /&gt;
      &lt;item android:state_single="true" android:drawable="@drawable/btn_keyboard_key_dark_normal_holo" /&gt;
      &lt;item android:state_active="true" android:state_pressed="true" android:drawable="@drawable/btn_keyboard_key_dark_pressed_holo" /&gt;
      &lt;item android:state_active="true" android:drawable="@drawable/btn_keyboard_key_dark_active_holo" /&gt;
      &lt;item android:state_checkable="true" android:state_checked="true" android:state_pressed="true" android:drawable="@drawable/btn_keyboard_key_dark_pressed_on_holo" /&gt;
      &lt;item android:state_checkable="true" android:state_pressed="true" android:drawable="@drawable/btn_keyboard_key_dark_pressed_off_holo" /&gt;
      &lt;item android:state_checkable="true" android:state_checked="true" android:drawable="@drawable/btn_keyboard_key_dark_normal_on_holo" /&gt;
      &lt;item android:state_checkable="true" android:drawable="@drawable/btn_keyboard_key_dark_normal_off_holo" /&gt;
      &lt;item android:state_pressed="true" android:drawable="@drawable/btn_keyboard_key_light_pressed_holo" /&gt;
      &lt;item android:drawable="@drawable/btn_keyboard_key_light_normal_holo" /&gt;
  &lt;/selector&gt;
  </code></pre>