title: Using same references with different sizes
body: <p>I have some images in my App and want to use the same reference for multiple screens, is it possible to use the scale tag in xml to re-size the image and use it with different resolutions? when i tried it the picture disappeared!</p>
  
  <p>For example i did this :</p>
  
  <p>First of all i created new XML file add_more_items_scaled</p>
  
  <pre><code>   &lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;scale xmlns:android="http://schemas.android.com/apk/res/android" 
      android:drawable="@drawable/add_more_items"
      android:scaleWidth="75%"
      android:scaleHeight="75%"&gt;
  
  
  &lt;/scale&gt;
  </code></pre>
  
  <p>then created another XML file add_more_items_button</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:drawable="@drawable/button_pressed"
          android:state_pressed="true"&gt;&lt;/item&gt;
      &lt;item android:drawable="@drawable/add_more_items_scaled"
          android:state_focused="true"&gt;&lt;/item&gt;
      &lt;item android:drawable="@drawable/add_more_items_scaled"&gt;&lt;/item&gt;
  </code></pre>
  
  <p></p>
  
  <p>and when i set the background of the button @android:background:"@drawable/add_more_items_button" it gives me an empty button</p>
  
  <p>So, any suggestions?</p>