Endpoints iOS function used to update a Movie Quote

updateQuote.m

// Within RHDetailViewController.m 

#pragma mark - Endpoints

- (void) _updateQuote {
    // Make a query object
    // Use the service to execute the query
    // Use a callback block to handle the response

    GTLQueryMoviequotes* query = [GTLQueryMoviequotes queryForMoviequoteInsertWithObject:self.movieQuote];
    if (self.isLocalHostTesting) {
        query.JSON = self.movieQuote.JSON;
        query.bodyObject = nil;
    }
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
    [self.service executeQuery:query
             completionHandler:^(GTLServiceTicket *ticket,
                                 GTLMoviequotesMovieQuote* returnedMovieQuote,
                                 NSError *error) {
                 [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
                 if (error != nil) {
                     UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"Error doing update"
                                           message:error.localizedDescription
                                           delegate:nil
                                           cancelButtonTitle:@"OK"
                                           otherButtonTitles:nil];
                     [alert show];
                     return;
                 }
                 // Do nothing.  Quote was already updated locally.
             }];
}