Change double tap scale from 1.5 to 1.0

            // onDoubleTap happened on the second ACTION_DOWN.

            // We need to ignore the next UP event.

            mIgnoreUpEvent = true;

            if (scale <= 1.0f || controller.isAtMinimalScale()) {

                controller.zoomIn(x, y, Math.max(1.5f, scale * 1.5f));

            if (scale <= .75f || controller.isAtMinimalScale()) {

                controller.zoomIn(x, y, Math.max(1.0f, scale * 1.5f));

            } else {

                controller.resetToFullView();

            }