iMessage bubble calling web service freze the view - objective-c

Question

i am using iMessage bubble to create chat view working fine
https://github.com/kerrygrover/iMessageBubble
When i call my web service in my inside method this at end
- (IBAction)sendMessage:(id)sender
here is my web method calling function which gives result out put success and send my chat to the server, but my view freeze.
NSError *errorReturned = nil;
NSString *urlString = #"https://url/methodname”;
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod: #"POST"];
[request setValue:#"application/json" forHTTPHeaderField:#"Content-Type"];
NSMutableDictionary *dict = [NSMutableDictionary dictionary];
[dict setObject:employeeId forKey:#"employeeId"];
[dict setObject:employeename forKey:#"employeename"];
NSLog(#"dic=%#",dict);
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:kNilOptions error:&errorReturned];
[request setValue:[NSString stringWithFormat:#"%lu", (unsigned long)[jsonData length]] forHTTPHeaderField:#"Content-Length"];
[request setHTTPBody: jsonData];
NSURLResponse *theResponse =[[NSURLResponse alloc]init];
NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&theResponse error:&errorReturned];
if (errorReturned)
{
//...handle the error
}
else
{
NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(#"%#", responseString);
//...do something with the returned value
}
}

Answer 1

plz create a new queue not run this code on main queue . you are running the code on main queue plz use this
dispatch_queue_t myQueue = dispatch_queue_create("myQueue", NULL);
// execute a task on that queue asynchronously
dispatch_async(myQueue, ^{
NSError *errorReturned = nil;
NSString *urlString = #"https://url/methodname”;
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod: #"POST"];
[request setValue:#"application/json" forHTTPHeaderField:#"Content-Type"];
NSMutableDictionary *dict = [NSMutableDictionary dictionary];
[dict setObject:employeeId forKey:#"employeeId"];
[dict setObject:employeename forKey:#"employeename"];
NSLog(#"dic=%#",dict);
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:kNilOptions error:&errorReturned];
[request setValue:[NSString stringWithFormat:#"%lu", (unsigned long)[jsonData length]] forHTTPHeaderField:#"Content-Length"];
[request setHTTPBody: jsonData];
NSURLResponse *theResponse =[[NSURLResponse alloc]init];
NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&theResponse error:&errorReturned];
if (errorReturned)
{
//...handle the error
}
else
{
NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(#"%#", responseString);
//...do something with the returned value
}
});