fragment_notification.xml

<?xml version="1.0" encoding="utf-8"?>
<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=".NotificationFragment">

    <!-- TODO: Update blank fragment layout -->

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    
    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <android.support.design.widget.TabLayout
            android:id="@+id/notifications_tabs"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/colorPrimary"
            android:theme="@style/Base.ThemeOverlay.AppCompat.ActionBar"
            app:tabIndicatorColor="@color/colorBlack"
            app:tabTextColor="@color/grey">
            
        </android.support.design.widget.TabLayout>


    </android.support.design.widget.AppBarLayout>


    <android.support.v4.view.ViewPager
        android:id="@+id/notifications_tabPager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

    </android.support.v4.view.ViewPager>
</LinearLayout>

</RelativeLayout>