l2.xml

<FrameLayout
    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:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".StartActivity">

        <android.support.v4.view.ViewPager
            android:id="@+id/pager"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" />

        <android.support.design.widget.AppBarLayout
            android:id="@+id/app_bar_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar_start"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="@color/ColorPrimary"
                android:theme="@style/Base.ThemeOverlay.AppCompat.Dark"
                app:layout_scrollFlags="scroll|enterAlways" />

            <com.google.widgets.SlidingTabLayout
                android:id="@+id/tabs"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@color/ColorPrimary"
                app:layout_scrollFlags="scroll|enterAlways" />
        </android.support.design.widget.AppBarLayout>


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

</FrameLayout>