<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <Button
        android:text="@string/app_name"
        android:textColorHigh
        android:layout_marginLeft="@android:dimen/app_icon_size"
        android:id="@+id/button1"
        ></Button>
</LinearLayout>