title: Android - Activity that does not fill the parent screen
body: <p>Any idea why this doesn't create an activity that looks like a popup instead of an activity that completely fills the screen?</p>
  
  <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt;
       &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:orientation="vertical"
                android:layout_width="300dip"
                android:layout_height="120dip" 
                android:layout_marginTop="100dip"&gt;
  
            &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                            android:orientation="vertical"
                            android:layout_height="120dip" 
                            android:layout_width="300dip"&gt;
  
               &lt;TextView android:layout_width="fill_parent" 
                         android:layout_height="wrap_content" 
                         android:text="@string/hello" /&gt;
  
            &lt;/RelativeLayout&gt;
       &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>I assumed that I only needed to set the layout height and layout width to something other than "fill_parent", but it still shows up as a black screen that completely fills the screen.</p>
  
  <p>Ultimately, I simply want to create a popup, but I do not want to use an AlertDialog.  Is this possible?</p>