Making your application network-aware in real time. To keep track of network changes asynchronously, your application needs to register for a callback. When a network or network property change occurs your callback will be invoked.
1 You can simply lay your vinyl floor on top of the subfloor. Just unroll, cut the floor to size and itâs done â easy!  Medium room ( < 25m2) Semi-loose installation will do. Use double faced duct tape around the room to secure the flooring.
Tools and supplies that you will need for floor leveling-. 4ft level or straight edge(if you donât have one that is okay) Chalk line. trowel with a flat side(you can use the back side of your tile trowel) modified thin set. carpenters pencil(the rectangle pencil you can get at the lumber yard) bucket and water.