()</code></a>. If one or both are zero, it then checks the view's
 <a href="http://d.android.com/reference/android/view/ViewGroup.LayoutParams.html?is-external=true" title="class or interface in android.view"><code>ViewGroup.LayoutParams</code></a>. If one or both of the params width and height are less than or
 equal to zero, it then adds an <a href="http://d.android.com/reference/android/view/ViewTreeObserver.OnPreDrawListener.html?is-external=true" title="class or interface in android.view"><code>ViewTre