XML : Scrollview Realigns textView

I have a blank activity which contains many text view so I want to use scrollview but whenever I use it the text views shift from their preassigned position to the top.Before adding ScrollView and After adding ScrollView here's the xml code

  <?xml version="1.0" encoding="utf-8"?>      <ScrollView      android:layout_width="match_parent"      android:layout_height="match_parent">  <RelativeLayout      android:layout_width="match_parent"      android:layout_height="match_parent">    <Button      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="OFF"      android:id="@+id/button"      android:onClick="torchToggle"      android:layout_below="@+id/textView"      android:layout_centerHorizontal="true"      android:layout_marginTop="71dp"      android:background="#cdc6c6" />    <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:textAppearance="?android:attr/textAppearanceLarge"      android:text="Torch"      android:id="@+id/textView"      android:layout_alignParentTop="true"      android:layout_centerHorizontal="true"      android:textColor="#e8d9d9" />    <TextView      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:textAppearance="?android:attr/textAppearanceLarge"      android:id="@+id/textView2"      android:layout_centerVertical="true"      android:layout_centerHorizontal="true"      android:textColor="#dacece"      android:text="#Error In display" />    <TextView      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:textAppearance="?android:attr/textAppearanceMedium"      android:id="@+id/textView3"      android:layout_below="@+id/textView2"      android:layout_centerHorizontal="true"      android:layout_marginTop="83dp"      android:textColor="#cdc0c0"      android:text="#Error in display" />    <TextView      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:textAppearance="?android:attr/textAppearanceMedium"      android:id="@+id/textView4"      android:textColor="#f3ef7a"      android:layout_below="@+id/textView3"      android:layout_centerHorizontal="true"      android:text="#Error in display" />    <ProgressBar      style="?android:attr/progressBarStyleHorizontal"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:id="@+id/progressBar"      android:layout_alignParentBottom="true"      android:layout_centerHorizontal="true" />    <Button      style="?android:attr/buttonStyleSmall"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="next"      android:id="@+id/button2"      android:layout_alignTop="@+id/button"      android:layout_alignParentRight="true"      android:layout_alignParentEnd="true"      android:nestedScrollingEnabled="false"      android:onClick="nextActivity" />        </RelativeLayout>  </ScrollView>