title: How i set an imageview as background?
body: <p>I´m new to android studio and don`t really know how to set an Imageview as background.</p>
  
  <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  android:orientation="vertical" android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:weightSum="1"
  &gt;
  
  &lt;ImageView
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      app:srcCompat="@android:drawable/arrow_up_float"
      android:id="@+id/imageViewFull" /&gt;
  </code></pre>
  
  <p></p>