孙向锦 / VoteC5

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

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:id="@+id/display"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

    </ScrollView>

    <Button
        android:id="@+id/clean"
        android:layout_width="100dp"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:layout_marginBottom="20dp"
        android:layout_marginRight="10dp"
        android:text="清除" />

</RelativeLayout>