gistfile1.xml

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity" xmlns:app="http://schemas.android.com/apk/res/com.srin.flores">

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


</LinearLayout>