I would like to place Icons or Images or User Controls inside the activity in Android 2.2

I would like to place Icons or Images or User Controls inside the activity by dragging and placing at some p开发者_JAVA技巧osition on the activity in Android 2.2. How can I do this?

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This might help: http://techdroid.kbeanie.com/2010/04/simple-drag-n-drop-on-android.html

This is for buttons but I am pretty sure can be done easily with icons and images and buttons. :)