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.
If you are laying vinyl on quarries you will need to smooth the floor with a self leveling floor compound (see below). If you are laying quarries on quarries, then a coat of undiluted pva adhesive is a good idea as well, and make sure the joints of the new tiles are staggered with the joints of the old.