title: Set the background of SeekBar
body: <p>I want to set the SeekBar like this:</p>
  
  <p><a href="https://i.stack.imgur.com/VPIEd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VPIEd.png" alt="enter image description here"></a></p>
  
  <p>But my SeekBar is looking like this:</p>
  
  <p><a href="https://i.stack.imgur.com/tbEKg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tbEKg.png" alt="enter image description here"></a></p>
  
  <p>That's mean it over the two small "sun"</p>
  
  <p>Here is my code:</p>
  
  <pre><code>&lt;SeekBar
          android:id="@+id/seekBar"
          android:layout_span="2"
          android:layout_width="fill_parent"
          android:progressDrawable="@drawable/background_custom"
          android:paddingTop="1dp"
          android:paddingBottom="1dp"
          android:thumb="@drawable/thumb_custom"
          android:minHeight="20dp"
          android:maxHeight="40dp"
          android:layout_height="45dp"
          android:layout_centerVertical="true"
          android:max="100"
          android:progress="100"
          android:paddingLeft="1dp"
          android:paddingRight="1dp"
              android:background="@drawable/my_back_ground"
          /&gt;
  </code></pre>
  
  <p>Xml of background_custom:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;layer-list xmlns:android="http://schemas.android.com/apk/res/android"&gt;
      &lt;item android:id="@android:id/background"
          &gt;
          &lt;shape&gt;
  
              &lt;size
                  android:height="50dp"
                  android:width="50dp" /&gt;
              &lt;corners android:radius="50dp" /&gt;
          &lt;/shape&gt;
  
      &lt;/item&gt;
  
      &lt;item android:id="@android:id/progress"&gt;
          &lt;clip&gt;
              &lt;shape&gt;
  
                  &lt;solid android:color="#11ff00" /&gt;
                  &lt;corners android:radius="30dp" /&gt;
              &lt;/shape&gt;
          &lt;/clip&gt;
  
      &lt;/item&gt;
  
  &lt;/layer-list&gt;
  </code></pre>
  
  <p>Xml of thumb_custom:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;shape xmlns:android="http://schemas.android.com/apk/res/android"&gt;
      &lt;solid android:color="#ffe38c" /&gt;
      &lt;size
          android:width="35dp"
          android:height="35dp" /&gt;
      &lt;corners android:radius="35dp" /&gt;
      &lt;item android:id="@android:id/background"
          android:drawable="@drawable/led_sang"/&gt;
  &lt;/shape&gt;
  </code></pre>