java - The markup in the document following the root element must be well -

i have try compalie android code keep getting error markup in document following root element must well

<?xml version="1.0" encoding="utf-8"?>   <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/relativelayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@drawable/main_bg" android:orientation="vertical" >  <imageview     android:id="@+id/imageview1"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_alignparenttop="true"     android:layout_centerhorizontal="true"     android:layout_margintop="20dp"     android:src="@drawable/main_title" />  <textview     android:id="@+id/wwwtext"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_alignparentbottom="true"     android:layout_centerhorizontal="true"     android:layout_marginbottom="35dp"     android:text="@string/reklama"     android:textappearance="?android:attr/textappearancemedium"     android:textcolor="@color/unsel"     android:textcolorhighlight="@color/sel" />  <relativelayout     android:id="@+id/btn_start"     android:layout_width="450dp"     android:layout_height="150dp"     android:layout_centerhorizontal="true"     android:layout_centervertical="true" >      <imageview         android:id="@+id/ing_btn"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:scaletype="fitxy"         android:src="@drawable/btn" />      <textview         android:id="@+id/text_start"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignparentleft="true"         android:layout_alignparentright="true"         android:layout_centervertical="true"         android:gravity="center_horizontal"         android:text="@string/start_game"         android:textappearance="?android:attr/textappearancemedium" /> </relativelayout>  </relativelayout> 

i have try hard find answer cannot find have root element , have close xml...