<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="horizontal"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:divider="?android:attr/dividerHorizontal">

    <FrameLayout android:id="@+id/fragment_container"
                 android:layout_weight="1"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"/>

    <FrameLayout android:id="@+id/detail_fragment_container"
                 android:layout_weight="1"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"/>

</LinearLayout>
Create new 2 pane layout
Create new 2 pane layout
