title: Android scale image view with animation
body: <p>i have an <code>ImageView</code> and would like to scale it smaller with animation.
  i use </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;set xmlns:android="http://schemas.android.com/apk/res/android"
      android:interpolator="@android:anim/linear_interpolator"&gt;
      &lt;scale
          android:fromXScale="1.0"
          android:toXScale="0.7"
          android:fromYScale="1.0"
          android:toYScale="0.7"
          android:pivotX="50%"
          android:pivotY="10%"
          android:duration="1500" /&gt;
  &lt;/set&gt;
  </code></pre>
  
  <p>This works good. But after the animation is finished the image gets back to its original size. Any ideas why?</p>