title: Android: imageView padding
body: <p>I'm trying to add a picture via imageView. But I want to full fill my view with the image and also the imageView should fill the width of the screen. the image should begin and end at the screen edge's.</p>
  
  <p>I used every xml attributes but no luck. This is the closest code to what I want.</p>
  
  <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@drawable/bck3"
  android:paddingBottom="@dimen/activity_vertical_margin"
  android:paddingLeft="@dimen/activity_horizontal_margin"
  android:paddingRight="@dimen/activity_horizontal_margin"
  android:paddingTop="@dimen/activity_vertical_margin"
  tools:context=".MainActivity" &gt;
  
  &lt;Button
      android:id="@+id/buttonStore"
      android:layout_width="50dp"
      android:layout_height="50dp"
      android:layout_alignBottom="@+id/imageView1"
      android:layout_alignParentRight="true"
      android:layout_marginRight="10dp"
      android:background="@drawable/store" /&gt;
  
  &lt;ImageView
      android:id="@+id/imageView1"
      android:layout_width="100dp"
      android:layout_height="40dp"
      android:layout_alignParentLeft="true"
      android:layout_alignParentTop="true"
      android:src="@drawable/logo" /&gt;
  
  &lt;ImageView
      android:id="@+id/imageView2"
      android:layout_width="fill_parent"
      android:layout_height="125dp"
      android:layout_marginTop="57dp"
      android:adjustViewBounds="true"
      android:scaleType="centerCrop"
      android:src="@drawable/ronaldo" /&gt;
  </code></pre>
  
  <p>
  <img src="https://i.stack.imgur.com/35QXe.png" alt="Screenshot"></p>
  
  <p><strong>It should be this</strong>
  <img src="https://i.stack.imgur.com/aOxR3.jpg" alt="What it should look like"></p>