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.
7. Install the underlayer. To install the underlayer, you will need to use a special underlayer stapler with â-inch staples; you will use approximately 16 staples per square foot of underlayer. You should never use nails or screws in the underlayer, as these will cause bumps in the vinyl flooring.