title: I need to hide title of items in bottom navigation bar
body: <p>I create bottom navigation bar  and i need to hide title and show icons only but when i write title with empty string there is big space between icon and bottom it just replace string with empty string and i make many search but i don't found solutions so any help </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  android:id="@+id/container"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context="com.easyschools.student.HomeActivity"&gt;
  
  &lt;FrameLayout
      android:id="@+id/main_container"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:layout_above="@+id/navigation"
      android:layout_alignParentTop="true"&gt;
   &lt;/FrameLayout&gt;
  
  &lt;android.support.design.widget.BottomNavigationView
      android:id="@+id/navigation"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_marginEnd="0dp"
      android:layout_marginStart="0dp"
      android:background="@android:color/white"
      android:layout_alignParentBottom="true"
      app:menu="@menu/navigation"/&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>navigation.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;menu xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"&gt;
  
      &lt;item
          android:id="@+id/nav_messages"
          android:icon="@drawable/msg_icon"
          android:title=""/&gt;
  
      &lt;item
          android:id="@+id/nav_home"
          android:icon="@drawable/home_icon"
          android:title=""
          android:checked="true"/&gt;
  
      &lt;item
          android:id="@+id/nav_notify"
          android:icon="@drawable/notify_icon"
          android:title=""/&gt;
  
      &lt;item
          android:id="@+id/nav_my_profile"
          android:icon="@drawable/user_icon"
          android:title=""/&gt;
  &lt;/menu&gt;
  </code></pre>