android-calculatorpp/android-app/src/main/res/layout/onscreen_layout.xml

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

<LinearLayout style="@style/CppMain.Onscreen"
	xmlns:a="http://schemas.android.com/apk/res/android"
	a:orientation="vertical">

	<include
		a:id="@+id/onscreen_header"
		layout="@layout/onscreen_header" />

	<LinearLayout
		a:id="@+id/onscreen_content"
		a:layout_width="match_parent"
		a:layout_height="match_parent"
		a:orientation="vertical">

		<include
			layout="@layout/onscreen_editor"
			a:layout_width="match_parent"
			a:layout_height="wrap_content" />

		<LinearLayout
			a:layout_width="match_parent"
			a:layout_height="0dp"
			a:layout_weight="1">

			<include
				layout="@layout/cpp_simple_button_equals"
				a:layout_width="0dp"
				a:layout_height="match_parent"
				a:layout_weight="1" />

			<include
				layout="@layout/onscreen_display"
				a:layout_width="0dp"
				a:layout_height="wrap_content"
				a:layout_weight="4" />

		</LinearLayout>

		<include
			layout="@layout/onscreen_keyboard"
			a:layout_width="match_parent"
			a:layout_height="0dp"
			a:layout_weight="4" />
	</LinearLayout>

	<include layout="@layout/onscreen_footer" />

</LinearLayout>