Android, Rounded Border Button

btn_rounded_border_gray.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">

    <stroke android:width="2dp"
        android:color="#bbbbbb"/>
    <corners android:radius="20dp"/>
</shape>

 

 layout.xml

<Button
    android:id="@+id/btn_roundup_10"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/btn_rounded_border_gray"
    android:text="¥10"/>