
Relative Layout lets you specify how to view the child is positioned relative to each other.
syntax on the relative layout applied to the xml files (layout).
<RelativeLayout
android:id=”@+id/MyRelLayout” android:layout_width=”fill_parent” android:layout_height=”fill_parent” xmlns:android=”http://schemas.android.com/apk/res/android” >
</RelativeLayout>
Source: Master Android (App)