public void setDragInitMode(int mode) {
        mDragInitMode = mode;
    }
Set how a drag is initiated. Needs to be one of
{@link ON_DOWN}, {@link ON_DRAG}, or {@link ON_LONG_PRESS}.

@param mode The drag init mode.
third_party/DragSortListView/src/com/mobeta/android/dslv/DragSortController.java