OnDrag.java

switch(dragEvent.getAction()) {

            case DragEvent.ACTION_DRAG_STARTED:
                Log.d(TAG, "onDrag: drag started.");

                return true;

            case DragEvent.ACTION_DRAG_ENTERED:
                Log.d(TAG, "onDrag: drag entered.");
                return true;

            case DragEvent.ACTION_DRAG_LOCATION:
                Log.d(TAG, "onDrag: current point: ( " + dragEvent.getX() + " , " + dragEvent.getY() + " )"  );

                return true;

            case DragEvent.ACTION_DRAG_EXITED:
                Log.d(TAG, "onDrag: exited.");
                return true;

            case DragEvent.ACTION_DROP:

                Log.d(TAG, "onDrag: dropped.");

                return true;

            case DragEvent.ACTION_DRAG_ENDED:
                Log.d(TAG, "onDrag: ended.");


                return true;

            // An unknown action type was received.
            default:
                Log.e(TAG,"Unknown action type received by OnStartDragListener.");
                break;

        }