title: How to change the colour of each tickMark in SeekBar
body: <p>I am trying to change the colour of each specific <em>tickMark</em>. </p>
  
  <p>Example: 1st Tick - Yellow, 2nd Tick - Red, 3rd Tick - White and so on...</p>
  
  <p>Here is my SeekBar:</p>
  
  <pre><code> &lt;SeekBar
          android:id="@+id/tareaSeekBar"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:background="@color/colorAccent"
          android:padding="8dp"
          android:max="4"
          android:progress="1"
          android:thumbTint="@color/colorPrimary"
          android:progressTint="@color/colorPrimary"
          android:progressBackgroundTint="@color/colorSecondary"
          android:tickMark="@drawable/tick_mark"
  
          /&gt;
  </code></pre>
  
  <p>And the TickMark drawable:</p>
  
  <pre><code>&lt;shape xmlns:android="http://schemas.android.com/apk/res/android"
         android:shape="oval"&gt;
      &lt;size android:width="4dp"
            android:height="4dp"/&gt;
      &lt;solid android:color="@color/colorPrimaryDark"/&gt;
  &lt;/shape&gt;
  </code></pre>