iOS: uitableview with multiple dynamic sections objective c

Question

I am getting this API response i want to put all these data into a UITableView with section i create an Array for title of header but now i am trying but not able to create Array for inside data which i have to show into cells. Please help me to populate these data into tableview with sections.

   {
        "sponsers": {
            "ORGANISED BY": [
                {
                    "id": "27",
                    "sp_name": "www.****.my",
                    "sp_logo": "499270053_logo2.png",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "1"
                },
                {
                    "id": "29",
                    "sp_name": "www.anderesfourdy.com",
                    "sp_logo": "157207241_my-partner.png",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "1"
                },
                {
                    "id": "30",
                    "sp_name": "visitpenang.com.my",
                    "sp_logo": "730893130_logo1.png",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "1"
                }
            ],
            "OFFICIAL VENUE PARTNER": [
                {
                    "id": "32",
                    "sp_name": "www.setiaspice.com",
                    "sp_logo": "2116042847_eda576900989f3222d77c7d511c77dcc.jpg",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "2"
                }
            ],
            "OFFICIAL AIRLINE PARTNER": [
                {
                    "id": "33",
                    "sp_name": "www.malaysiaairlines.com/in/en.html",
                    "sp_logo": "475052144_276e3235a63924f1922e703d4a8b31a6.png",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "3"
                }
            ],
            "HOTEL PARTNERS": [
                {
                    "id": "34",
                    "sp_name": "olivetreehotel.com.my",
                    "sp_logo": "97088892_3cdc275c1942eeb186d6920abd300611.jpg",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "4"
                },
                {
                    "id": "35",
                    "sp_name": "penang.equatorial.com",
                    "sp_logo": "622248930_5deb8b605822d4b5cea4e122b55dcbdd.jpg",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "4"
                },
                {
                    "id": "36",
                    "sp_name": "www.beatpenang.com/www.shangri-la.com/penang/rasasayangresort",
                    "sp_logo": "918729310_38d4aca7a13e8e65885aa690835219f5.png",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "4"
                },
                {
                    "id": "37",
                    "sp_name": "www.beatpenang.com/www.vistanahotels.com/penang",
                    "sp_logo": "1497393994_66eb81f97563446cb2b1c743e5d69b99.jpg",
                    "events": "24",
                    "priority": "0",
                    "status": "1",
                    "s_type": "4"
                }
            ],..........

I am using the following code to show data into tableview: DataArray contains values inside "sponsors" key

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return [DataArray count];
}


-(NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    return [DataArray objectAtIndex:section];
}



-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [[DataArray objectAtIndex:section] count];
}


-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *simpleTableIdentifier = @"SimpleTableItem";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier];
    if (cell == nil)
    {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifier];
    }
    cell.textLabel.font=[UIFont fontWithName: @"Arial" size: 14.0 ];

    cell.textLabel.lineBreakMode = NSLineBreakByWordWrapping;

    //to hide extra cell from table
    sponsorTable.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];

    /*UIView * bkView = (UIView*)[cell viewWithTag:150];
    if(indexPath.row % 2 == 0)
    {
        bkView.backgroundColor = [UIColor whiteColor];
        //cell.backgroundColor = [UIColor whiteColor];
    }
    else
    {
        bkView.backgroundColor = [UIColor colorWithRed:234/255.0 green:236/255.0 blue:235/255.0 alpha:1];
    }*/



    NSString* name = [[DataArray objectAtIndex:indexPath.row]valueForKey:@"sp_name"];
    NSLog(@"-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=%@",name);
    UILabel * nameLbl = (UILabel *)[cell viewWithTag:102];
    nameLbl.text = name;



    NSString * urlstring = [[DataArray objectAtIndex:indexPath.row]valueForKey:@"sp_logo"];
    NSLog(@"urlStr is %@",urlstring);
    NSString * completeString = [NSString stringWithFormat:@"http:****************",urlstring];
    NSLog(@"Complete Url string is %@",completeString);
    UIImageView * imgVw = (UIImageView *)[cell viewWithTag:101];

    cell.imageView.layer.cornerRadius = cell.imageView.frame.size.width / 2;
    cell.imageView.clipsToBounds = YES;

    NSString *imageUrl = [NSString stringWithFormat:@"%@",completeString];
    dispatch_queue_t imageDownloadQueue = dispatch_queue_create(DISPATCH_QUEUE_PRIORITY_DEFAULT, nil);

    dispatch_async(imageDownloadQueue, ^{
        NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:imageUrl]];

        dispatch_async(dispatch_get_main_queue(), ^{
            UIImage * image1 = [UIImage imageWithData:imageData];
            imgVw.image = image1;
        });
    });


    return cell;
}

Answer 1

you have to set specific key and that key you have to store "section value".So you can easily get value of section. your dictionary set as shown below.

"data" : [
    {
      “Section Title“ : “Section1”,
      “InnerCellData” : [
        {
        //record 1
        }
       {
        //record 2
        }
      ]
    }
    {
      “Section Title“ : “Section2”,
      “InnerCellData” : [
        {
        //record 1
        }
       {
        //record 2
        }
      ]
    }

  ]

Its works for you.

Answer 2

What you have here is (converted with NSJSONSerialization) is sponsors being a dictionary where each of dictionaries contains an array.

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    NSDictionary *sponsers = parsedResponse[@"sponsers"];
    return sponsers.allKeys.count; // For every key we need a section
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    NSDictionary *sponsers = parsedResponse[@"sponsers"];
    NSString *key = sponsers.allKeys[section];
    return key; // The key is the section name

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    NSDictionary *sponsers = parsedResponse[@"sponsers"];
    NSString *key = sponsers.allKeys[section];
    NSArray *content = sponsers[key]; // Each item should be an array
    return content.count; // Return number of items in embedded array
}

- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSDictionary *sponsers = parsedResponse[@"sponsers"];
    NSString *key = sponsers.allKeys[indexPath.section];
    NSArray *content = sponsers[key];
    NSDictionary *item = content[indexPath.row];
    // We have the item. Populate the cell
    ... generate cell ...
    cell.textLabel.text = item[@"sp_name"];
    ...
}

This should be all the info you need to construct your table view. If you have issues with populating cell data I suggest you ask another, specific question about it.