<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:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:orientation="vertical"

    tools:context="${relativePackage}.${activityClass}">

    <TextView

        android:text="@string/hello_world"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" />

</LinearLayout>