I created a new `Activity`, but the page is not scrollable .. how can I do to scroll?

```
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" 
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"   
  android:background="@color/gray_light2">>
<ImageView android:id="@+id/imageView1" 
  android:src="@drawable/impostazioni" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_marginTop="-7dp"></ImageView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceLarge"           
  android:textColor="#424243" 
  android:id="@+id/personName" 
  android:text=" Notifica a comparsa" 
  android:layout_height="wrap_content" 
  android:layout_alignTop="@+id/check1"
  android:layout_alignLeft="@+id/personSurname"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceLarge"
  android:textColor="#424243" 
  android:id="@+id/TextView01" 
  android:text=" Connessione Amico" 
  android:layout_height="wrap_content" 
  android:layout_alignTop="@+id/check2" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceMedium"
  android:textColor="#424243" 
  android:id="@+id/TextView02" 
  android:text="Notifica quando un amico si connette all'applicazione"
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView01" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceLarge"
  android:textColor="#424243" 
  android:id="@+id/TextView03" 
  android:text=" Amico nelle vicinanze" 
  android:layout_height="wrap_content" 
  android:layout_alignTop="@+id/check3" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceMedium"
  android:textColor="#424243" 
  android:id="@+id/TextView04" 
  android:text="Notifica quando un amico si trova nelle vicinanze"
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView03" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceLarge"
  android:textColor="#424243" 
  android:id="@+id/TextView05" 
  android:text=" Suoneria" 
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView04" 
  android:layout_alignParentLeft="true" 
  android:layout_marginTop="18dp"></TextView>
<CheckBox android:layout_width="wrap_content" 
  android:id="@+id/CheckBox01" 
  android:layout_height="wrap_content" 
  android:layout_alignTop="@+id/TextView05" 
  android:layout_alignParentRight="true"></CheckBox>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceLarge"
  android:textColor="#424243" 
  android:id="@+id/TextView07" 
  android:text=" Vibrazione" 
  android:layout_height="wrap_content" 
  android:layout_alignTop="@+id/CheckBox02" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceMedium"
  android:textColor="#424243" 
  android:id="@+id/TextView08" 
  android:text="Attiva la vibrazione per le notifiche"
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView07" 
  android:layout_alignParentLeft="true"></TextView>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceMedium"
  android:textColor="#424243" 
  android:id="@+id/TextView06" 
  android:text="Attiva la suoneria come suono di notifica"
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView05" 
  android:layout_alignParentLeft="true"></TextView>
<CheckBox android:layout_width="wrap_content" 
  android:id="@+id/CheckBox02" 
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView06" 
  android:layout_alignParentRight="true" 
  android:layout_marginTop="14dp"></CheckBox>
<CheckBox android:layout_width="wrap_content" 
  android:id="@+id/check1" 
  android:layout_height="wrap_content" 
  android:layout_below="@+id/imageView1" 
  android:layout_alignParentRight="true"></CheckBox>
<CheckBox android:layout_width="wrap_content" 
  android:id="@+id/check2" 
  android:layout_height="wrap_content" 
  android:layout_below="@+id/personSurname" 
  android:layout_alignParentRight="true" 
  android:layout_marginTop="14dp"></CheckBox>
<CheckBox android:layout_width="wrap_content" 
  android:id="@+id/check3" 
  android:layout_height="wrap_content" 
  android:layout_below="@+id/TextView02" 
  android:layout_alignParentRight="true" 
  android:layout_marginTop="21dp"></CheckBox>
<TextView android:layout_width="wrap_content" 
  android:textAppearance="?android:attr/textAppearanceMedium"
  android:textColor="#424243" 
  android:id="@+id/personSurname" 
  android:text="Mostra una notifica quando l'applicazione è in background"
  android:layout_height="wrap_content" 
  android:layout_below="@+id/personName" 
  android:layout_alignParentLeft="true"></TextView>
</RelativeLayout>

```