title: Android: Top NavigationView content gone
body: <p>I use this code for navigation drawer</p>
  
  <pre><code>&lt;android.support.v4.widget.DrawerLayout 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/drawer_layout"
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:fitsSystemWindows="true"
          tools:openDrawer="start"&gt;
  
          &lt;android.support.design.widget.NavigationView
              android:id="@+id/nav_view"
              android:layout_width="wrap_content"
              android:layout_height="match_parent"
              android:layout_gravity="start"
              android:fitsSystemWindows="true"
              android:visibility="visible"&gt;
              &lt;include
                  layout="@layout/menu"
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content" /&gt;
  
          &lt;/android.support.design.widget.NavigationView&gt;
  </code></pre>
  
  <p>menu.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      xmlns:app="http://schemas.android.com/apk/res-auto"
      tools:context="ir.app.ir.live24.MainActivity"
      android:clickable="false"
      android:gravity="center"
      android:background="#fff"&gt;
  
      &lt;LinearLayout
          android:orientation="vertical"
          android:layout_width="match_parent"
          android:layout_height="match_parent"&gt;
  
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="New Text"
              android:id="@+id/textView3"
              android:textColor="#000" /&gt;
  
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="New Text"
              android:id="@+id/textView4"
              android:textColor="#000"
              android:layout_weight="0.5" /&gt;
  
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="New Text"
              android:id="@+id/textView5"
              android:textColor="#000" /&gt;
      &lt;/LinearLayout&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>In view android studio work correct :
  <a href="http://i65.tinypic.com/wtvu4k.jpg" rel="nofollow noreferrer">http://i65.tinypic.com/wtvu4k.jpg</a></p>
  
  <p>But in device after launch, top of menu has gone :
  <a href="http://i68.tinypic.com/2nu0ub5.jpg" rel="nofollow noreferrer">http://i68.tinypic.com/2nu0ub5.jpg</a></p>
  
  <p>Next problem: clickable not work for menu</p>
  
  <p>Please help me</p>