title: Toolbar title not showing
body: <p>I am new to Android and creating a custom toolbar I have set a textview  and some images in my toolbar but it is not visible.`Below is the code</p>
  
  <p><img src="https://i.stack.imgur.com/BSPp2.png" alt=" and image of my emulator"></p></p>
  
  <p>I have used this link for tutorial
  <a href="http://www.androidhive.info/2015/09/android-material-design-working-with-tabs/" rel="nofollow noreferrer">http://www.androidhive.info/2015/09/android-material-design-working-with-tabs/</a></p>
  
  <pre><code>&lt;android.support.design.widget.CoordinatorLayout
          xmlns:app="http://schemas.android.com/apk/res-auto"
          android:layout_width="match_parent"
          android:layout_height="match_parent"&gt;
  
  
          &lt;android.support.design.widget.AppBarLayout
              android:layout_width="match_parent"
              android:layout_height="130dp"
              android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"&gt;
              &lt;android.support.v7.widget.Toolbar
                  android:id="@+id/toolbar"
                  android:layout_width="match_parent"
                  android:layout_height="85dp"
                  android:background="?attr/colorPrimary"&gt;
                  &lt;!--app:layout_scrollFlags="scroll|enterAlways"--&gt;
                  &lt;!--app:popupTheme="@style/ThemeOverlay.AppCompat.Light"&gt;--&gt;
  
                  &lt;TextView
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:text="@string/ToolBarTitle"
                      android:layout_gravity="bottom"
                      android:layout_marginBottom="35dp"
                      android:id="@+id/toolbar_title"
                      android:textColor="#FFFFFF"
                      android:textSize="17.3sp"
                      android:layout_marginLeft="127dp"
  
                      /&gt;
  
                  &lt;ImageView
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_marginLeft="6dp"
                      android:layout_gravity="bottom"
                      android:layout_marginBottom="50dp"
                      android:background="@drawable/icn_dropdown" /&gt;
  
                  &lt;ImageView
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_gravity="bottom"
                      android:layout_marginBottom="45dp"
                      android:layout_marginLeft="110dp"
                      android:background="@drawable/icn_options"/&gt;
              &lt;/android.support.v7.widget.Toolbar&gt;
  
              &lt;android.support.design.widget.TabLayout
                  android:id="@+id/tabs"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:background="#f5f5f5"
                  app:theme="@style/TabTheme"
                  app:tabIndicatorColor="@color/colorPrimary"
                  app:tabTextColor="@color/tab_text"/&gt;
          &lt;/android.support.design.widget.AppBarLayout&gt;
  
          &lt;android.support.v4.view.ViewPager
              android:id="@+id/viewpager"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              app:layout_behavior="@string/appbar_scrolling_view_behavior"  /&gt;
  
  
      &lt;/android.support.design.widget.CoordinatorLayout&gt;
  </code></pre>