xml Scroll

<ScrollView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_above="@+id/button3"
    android:layout_below="@+id/button"
    android:id="@+id/ScrollView">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView"
        android:background="#33ff0000"
        android:text="Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello " />
</ScrollView>