title: layout_height always wrapping content
body: <p>it's just a simple question:</p>
  
  <p>I have a layout file which is presented as an item inside of a ListView. I set the height of the RelativeLayout to 100dp, but it does not work, it's always wrapping the content, no matter which layout I use. What can I do to set a fixed value to the layout height without having it wrapping?</p>
  
  <p>Thanks for the help.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="fill_parent"
              android:layout_height="100dp"&gt; &lt;!-- this attribute seems to be ignored --&gt;
  
      &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
                   android:orientation="horizontal"
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content"
                   android:layout_centerHorizontal="true"&gt;
  
          &lt;ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
                   android:layout_width="@dimen/progressbar_small"
                   android:layout_height="@dimen/progressbar_small"
                   android:layout_gravity="center_vertical" /&gt;
  
          &lt;TextView xmlns:android="http://schemas.android.com/apk/res/android"
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content"
                   android:layout_marginLeft="5dp"
                   android:text="@string/loading"
                   android:layout_gravity="center_vertical"
                   style="@style/ListItemSubtext" /&gt;
  
       &lt;/LinearLayout&gt;
   &lt;/RelativeLayout&gt;
  </code></pre>