A container of liquid color material has a diaphragm liquid color pump located therewithin for providing liquid color from the container and non-drip apparatus for releaseably connecting the container with a blender for supply of liquid color thereto and methods for pumping and supplying liquid color incorporating the same. It may be determined whether the mobile device is a peer. IF a target track is close to the second track, provide a first force to move the lens a distance toward the inner disk then execute a track on operation. It is therefore possible to improve the weatherability while maintaining the color developing characteristic at a high level.