DoInBackgroundCancel.java

CancelCheckInDoInBackground.java

DoInBackground(. . . ) {
  //Doing some work
  if (isCancelled()) {
    // we are cancelled, no need to do any work now
    . . . 
   // Did we override implement onCancelled() or onCancelled(Object)?
  }
  for (CurrentWork : ListOfWorks) {
    if (isCancelled()) {
      // we are cancelled, no need to do any work now
      . . . 
     // Did we override implement onCancelled() or onCancelled(Object)?
    }
  }
}