Android :: XML - Multiple Annotations Found

I've been going on and on with my XML file and I can't seem to find any problem. The file doesn't show any problem in the code but there's the red box on the right which reads: Multiple annotations found at this line: - The processing instruction target matching "[xX][mM][lL]" is not allowed. - No grammar constraints (DTD or XML schema) detected for the document. Here is the XML code: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/ android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/ android:padding="6dp" <ImageView android:id="@+id/header" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/send" android:scaleType="fitXY" android:layout_alignParentTop="true".......