title: java.io.IOException: An existing connection was forcibly closed by the remote host Error while Installing APK
body: <p>I am trying to install my project on my device but I am getting the following error:</p>
  
  <p><a href="https://i.stack.imgur.com/1KhqU.png" rel="noreferrer">enter image description here</a></p>
  
  <p>This is the error:</p>
  
  <p><code>java.io.IOException: An existing connection was forcibly closed by the remote host
  Error while Installing APK</code></p>
  
  <p>Please help me with this and also could anyone tell me about R in java file</p>