<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:gravity="center"
    android:layout_width="match_parent"
    android:layout_height="match_parent">



    <TextView
        android:id="@+id/tv_steps"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        />


    <Button
        android:id="@+id/btn_start"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Start Pedometer"
        />

    <Button
        android:id="@+id/btn_stop"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Stop Pedometer"
        />

</LinearLayout>