title: How to remove divider between Toolbar and RelativeLayout
body: <p>I have <code>RelativeLayout</code> below <code>android.support.v7.widget.Toolbar</code>. They both have the same color. How can I get rid of devider between them?
  <img src="https://i.stack.imgur.com/XES1H.jpg" alt="enter image description here">
  Here is xml code:</p>
  
  <pre><code> &lt;android.support.v7.widget.Toolbar
          android:id="@+id/toolbar"
          android:layout_height="wrap_content"
          android:layout_width="match_parent"
          android:background="@color/HomeColorPrimary"
          android:minHeight="?attr/actionBarSize"
          app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
          app:popupTheme="@style/ThemeOverlay.AppCompat.Light"&gt;
      &lt;/android.support.v7.widget.Toolbar&gt;
  
      &lt;RelativeLayout
          android:layout_below="@+id/toolbar"
          android:layout_width="match_parent"
          android:layout_height="120dp"
          android:id="@+id/spaceBelowToolbar"
          android:background="@color/HomeColorPrimary"
          android:orientation="vertical"
          android:elevation="4dp"&gt;
      &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>Here is the full xml file : </p>
  
  <pre><code>    &lt;RelativeLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:id="@+id/mainBody"
      xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto"&gt;
  &lt;RelativeLayout
      xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:fab="http://schemas.android.com/tools"
      android:orientation="vertical"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:background="@color/MainBG"&gt;
  
  
      &lt;android.support.v7.widget.Toolbar
          android:id="@+id/toolbar"
          android:layout_height="wrap_content"
          android:layout_width="match_parent"
          android:background="@color/HomeColorPrimary"
          android:minHeight="?attr/actionBarSize"
          app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
          app:popupTheme="@style/ThemeOverlay.AppCompat.Light"&gt;
      &lt;/android.support.v7.widget.Toolbar&gt;
  
      &lt;RelativeLayout
          android:layout_below="@+id/toolbar"
          android:layout_width="match_parent"
          android:layout_height="120dp"
          android:id="@+id/spaceBelowToolbar"
          android:background="@color/HomeColorPrimary"
          android:orientation="vertical"
          android:elevation="4dp"&gt;
  
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_marginLeft="42dp"
              android:layout_alignParentLeft="true"
              android:id="@+id/MoneyValue"
              android:textColor="@color/md_white_1000"
              android:textSize="45sp"
              android:text="$850"/&gt;
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_below="@+id/MoneyValue"
              android:id="@+id/Balance"
              android:layout_marginLeft="42dp"
              android:textSize="25sp"
              android:textColor="@color/md_grey_300"
              android:text="BALANCE"/&gt;
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_marginLeft="180dp"
              android:id="@+id/PercentageValue"
              android:textColor="@color/md_white_1000"
              android:textSize="45sp"
              android:text="93%"/&gt;
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_below="@+id/PercentageValue"
              android:textColor="@color/md_grey_300"
              android:id="@+id/Budget"
              android:layout_marginLeft="180dp"
              android:textSize="25sp"
              android:text="BUDGET"/&gt;
  
      &lt;/RelativeLayout&gt;
      &lt;RelativeLayout
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:id="@+id/listViewLayout"
          android:layout_below="@+id/spaceBelowToolbar"
          &gt;
          &lt;ExpandableListView
              android:id="@+id/list"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              /&gt;
      &lt;/RelativeLayout&gt;
  
      &lt;RelativeLayout
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginBottom="20dp"&gt;
  
  
      &lt;com.github.clans.fab.FloatingActionMenu
          android:id="@+id/fab"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_alignParentBottom="true"
          android:layout_alignParentRight="true"
          android:layout_marginRight="15dp"
          android:layout_marginBottom="30dp"
          android:layout_marginLeft="10dp"
          android:layout_marginTop="10dp"
          fab:menu_labels_style="@style/MenuLabelsStyle"
          fab:menu_labels_showAnimation="@anim/jump_from_down"
          fab:menu_labels_hideAnimation="@anim/jump_to_down"
          fab:menu_animationDelayPerItem="0"
          fab:menu_shadowColor="#444"
          fab:menu_colorNormal="#FFB805"
          fab:menu_colorPressed="#F2AB00"
          fab:menu_colorRipple="#D99200"&gt;
  
      &lt;/com.github.clans.fab.FloatingActionMenu&gt;
      &lt;/RelativeLayout&gt;
  
  &lt;/RelativeLayout&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>