Error inflating class android.support.v4.widget.CoordinatorLayout
<p>Actually I tried it so that i can have my navigation drawer below my app bar and along with tabs and main content.I also have to include coordinator layout also for a fab. Help me out and tell if i can use coordinator layout where i used for fab.</p>

<p>Updated</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;android.support.v4.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:fab="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"&gt;

&lt;FrameLayout
    android:layout_height="match_parent"
    android:layout_width="match_parent"&gt;

    &lt;android.support.design.widget.AppBarLayout
        android:id="@+id/mainapp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay"&gt;

        &lt;android.support.v7.widget.Toolbar
            android:id="@+id/toolbarmain"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|enterAlways"
            app:popupTheme="@style/AppTheme.PopupOverlay" /&gt;

        &lt;android.support.design.widget.TabLayout
            android:id="@+id/tabLayoutmain"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" /&gt;


    &lt;/android.support.design.widget.AppBarLayout&gt;

    &lt;android.support.v4.widget.DrawerLayout
        android:id="@+id/my_draw_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"&gt;

        &lt;include layout="@layout/main_content" /&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"
            app:headerLayout="@layout/nav_header_main"
            app:menu="@menu/activity_main_drawer" /&gt;
    &lt;/android.support.v4.widget.DrawerLayout&gt;

&lt;/FrameLayout&gt;

&lt;com.github.clans.fab.FloatingActionMenu
    android:id="@+id/fabmenu"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="bottom|end"
    android:layout_margin="@dimen/fab_margin"
    android:src="@mipmap/ic_launcher"
    fab:menu_backgroundColor="@android:color/transparent"
    fab:menu_fab_label="Cancel"
    fab:menu_labels_ellipsize="end"
    fab:menu_labels_singleLine="true"&gt;

    &lt;com.github.clans.fab.FloatingActionButton
        android:id="@+id/fab2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@mipmap/ic_launcher"
        app:fab_colorNormal="#795548"
        app:fab_size="mini"
        fab:fab_label="Add Note" /&gt;

    &lt;com.github.clans.fab.FloatingActionButton
        android:id="@+id/fab1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@mipmap/ic_launcher"
        app:fab_colorNormal="#2196f3"
        app:fab_size="mini"
        fab:fab_label="Add Question" /&gt;

&lt;/com.github.clans.fab.FloatingActionMenu&gt;

&lt;/android.support.v4.widget.CoordinatorLayout&gt;
</code></pre>

<p>LOGCAT:</p>

<pre><code>01-29 00:54:36.358 27098-27098/myandroid.projecttries.testapp19 E/AndroidRuntime: FATAL EXCEPTION: main
  Process: myandroid.projecttries.testapp19, PID: 27098
  java.lang.RuntimeException: Unable to start activity ComponentInfo{myandroid.projecttries.testapp19/myandroid.projecttries.testapp19.MainActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.v4.widget.CoordinatorLayout
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2358)
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2420)
      at android.app.ActivityThread.access$900(ActivityThread.java:154)
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1321)
      at android.os.Handler.dispatchMessage(Handler.java:102)
      at android.os.Looper.loop(Looper.java:135)
      at android.app.ActivityThread.main(ActivityThread.java:5292)
      at java.lang.reflect.Method.invoke(Native Method)
      at java.lang.reflect.Method.invoke(Method.java:372)
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
   Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.v4.widget.CoordinatorLayout
      at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:757)
      at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
      at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
      at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
      at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:256)
      at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
      at myandroid.projecttries.testapp19.MainActivity.onCreate(MainActivity.java:43)
      at android.app.Activity.performCreate(Activity.java:5990)
      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2311)
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2420) 
      at android.app.ActivityThread.access$900(ActivityThread.java:154) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1321) 
      at android.os.Handler.dispatchMessage(Handler.java:102) 
      at android.os.Looper.loop(Looper.java:135) 
      at android.app.ActivityThread.main(ActivityThread.java:5292) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at java.lang.reflect.Method.invoke(Method.java:372) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699) 
   Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.widget.CoordinatorLayout" on path: DexPathList[[zip file "/data/app/myandroid.projecttries.testapp19-1/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
      at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
      at android.view.LayoutInflater.createView(LayoutInflater.java:571)
      at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
      at android.view.LayoutInflater.inflate(LayoutInflater.java:482) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
      at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:256) 
      at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109) 
      at myandroid.projecttries.testapp19.MainActivity.onCreate(MainActivity.java:43) 
      at android.app.Activity.performCreate(Activity.java:5990) 
      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2311) 
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2420) 
      at android.app.ActivityThread.access$900(ActivityThread.java:154) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1321) 
      at android.os.Handler.dispatchMessage(Handler.java:102) 
      at android.os.Looper.loop(Looper.java:135) 
      at android.app.ActivityThread.main(ActivityThread.java:5292) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at java.lang.reflect.Method.invoke(Method.java:372) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699) 
    Suppressed: java.lang.ClassNotFoundException: android.support.v4.widget.CoordinatorLayout
      at java.lang.Class.classForName(Native Method)
      at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
      at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
            ... 22 more
   Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
</code></pre>

<p>Thanks in advance</p>