What is the usage of after delay time here.

[hvaghela116]

Hi,

I would like to know in detail what is the use of the following function. Anybody could you please explain in detail because I am facing timeout issue while try to connecting with wifi network.

[self performSelector:@selector(endTime) withObject:nil afterDelay:2];

is it necessary to call above function and what will be the effect if we would not use this function.
Please explain in detail.

Thanks in advance.

• (void)go {
  if ([NSThread isMainThread]) {
  [self.simplePing start];
  //[self performSelector:@selector(endTime) withObject:nil afterDelay:2]; // This timeout is what retains the ping helper
  } else {
  dispatch_sync(dispatch_get_main_queue(), ^{
  NSLog(@"Moving ping to main thread");
  [self.simplePing start];
  // [self performSelector:@selector(endTime) withObject:nil afterDelay:2];
  });
  }

}

[chrishulbert]

IIRC, it is used so that the runloop keeps a reference to 'self' for a couple seconds, otherwise self gets deallocated and you'd get no callbacks.

…

On Thu, Mar 9, 2017 at 11:45 PM, hvaghela116 ***@***.***> wrote: Hi, I would like to know in detail what is the use of the following function. Anybody could you please explain in detail because I am facing timeout issue while try to connecting with wifi network. [self ***@***.*** <https://github.com/selector>(endTime) withObject:nil afterDelay:2]; Thanks in advance. - (void)go { if ([NSThread isMainThread]) { [self.simplePing start]; //[self ***@***.*** <https://github.com/selector>(endTime) withObject:nil afterDelay:2]; // This timeout is what retains the ping helper } else { dispatch_sync(dispatch_get_main_queue(), ^{ NSLog(@"Moving ping to main thread"); [self.simplePing start]; // [self ***@***.*** <https://github.com/selector>(endTime) withObject:nil afterDelay:2]; }); } } — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#7>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAAjMkt3ABJ2P9Hg7vx5QtYJPz5hdu1Tks5rj_RjgaJpZM4MYCR2> .

[hvaghela116]

Thanks chrishulbert for your response. I have been working in wifi project and trying to connect wifi. but If I will use that line then it is creating timeout issue and if I would not use then It would not create and would able to connect wifi network without any interruption.

[chrishulbert]

Something to consider: you might be better off using reachability or a bonjour library. Best of luck!

…

On Sat, Mar 11, 2017 at 3:53 AM, hvaghela116 ***@***.***> wrote: Thanks chrishulbert for your response. I have been working in wifi project and trying to connect wifi. but If I will use that line then it is creating timeout issue and if I would not use then It would not create and would able to connect wifi network without any interruption. — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#7 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAAjMoTf2FxX7RggPxCn3AY6yyFapBFvks5rkYAMgaJpZM4MYCR2> .

[hvaghela116]

Thanks Chris Hulbert. It can be an issue. I will check it.