AFNetworking Snippets

AFNetworking

list AFNetworking Snippets here.

gistfile1.txt

- (IBAction)jsonTapped:(id)sender
{
    // 1
    NSString *string = [NSString stringWithFormat:@"%@weather.php?format=json", BaseURLString];
    NSURL *url = [NSURL URLWithString:string];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
 
    // 2
    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
    operation.responseSerializer = [AFJSONResponseSerializer serializer];
 
    [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
 
        // 3
        self.weather = (NSDictionary *)responseObject;
        self.title = @"JSON Retrieved";
        [self.tableView reloadData];
 
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
 
        // 4
        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"
                                                            message:[error localizedDescription]
                                                           delegate:nil
                                                  cancelButtonTitle:@"Ok"
                                                  otherButtonTitles:nil];
        [alertView show];
    }];
 
    // 5
    [operation start];
}

gistfile2.m

 cell.textLabel.text = [daysWeather weatherDescription];
 
    NSURL *url = [NSURL URLWithString:daysWeather.weatherIconURL];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    UIImage *placeholderImage = [UIImage imageNamed:@"placeholder"];
 
    __weak UITableViewCell *weakCell = cell;
 
    [cell.imageView setImageWithURLRequest:request
                          placeholderImage:placeholderImage
                                   success:^(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {
 
                                       weakCell.imageView.image = image;
                                       [weakCell setNeedsLayout];
 
                                   } failure:nil];

gistfile3.m

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == [actionSheet cancelButtonIndex]) {
        // User pressed cancel -- abort
        return;
    }
 
    // 1
    NSURL *baseURL = [NSURL URLWithString:BaseURLString];
    NSDictionary *parameters = @{@"format": @"json"};
 
    // 2
    AFHTTPSessionManager *manager = [[AFHTTPSessionManager alloc] initWithBaseURL:baseURL];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
 
    // 3
    if (buttonIndex == 0) {
        [manager GET:@"weather.php" parameters:parameters success:^(NSURLSessionDataTask *task, id responseObject) {
            self.weather = responseObject;
            self.title = @"HTTP GET";
            [self.tableView reloadData];
        } failure:^(NSURLSessionDataTask *task, NSError *error) {
            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"
                                                                message:[error localizedDescription]
                                                               delegate:nil
                                                      cancelButtonTitle:@"Ok"
                                                      otherButtonTitles:nil];
            [alertView show];
        }];
    }
 
    // 4
    else if (buttonIndex == 1) {
        [manager POST:@"weather.php" parameters:parameters success:^(NSURLSessionDataTask *task, id responseObject) {
            self.weather = responseObject;
            self.title = @"HTTP POST";
            [self.tableView reloadData];
        } failure:^(NSURLSessionDataTask *task, NSError *error) {
            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"
                                                                message:[error localizedDescription]
                                                               delegate:nil
                                                      cancelButtonTitle:@"Ok"
                                                      otherButtonTitles:nil];
            [alertView show];
        }];
    }
}