title: difference between sharing files using wifi direct and using wifi hotspot
body: <p>Sharing files between two devices using wifi can be done by:<br><li>using wifi direct</li>
  <li>creating a hotspot on one device and connecting other device to it</li></p>
  
  <p><b><li>what is the basic difference between these two methods</b></li>
  I mean in the both the options one device serves as the access point while the other connects to it
  <br><br>
  <b><li>which among the two devices will serve as the access point in case of wifi direct</b></li><br>
  <b><li>which of the two options is easier and faster</li></b>I want to use this feature in my android app</p>