How to make uitableview with multiple sections dynamically? - ios

Question

How to make uitableview with multiple sections dynamically with dynamic array count ?

Answer 1

Check this long code, I think this will come handy
#import "ViewController.h"
#interface ViewController ()
#end
#implementation ViewController
#pragma mark TableView
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return [self.words count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return [[self.words objectAtIndex:section]count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
// UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:#"cell"];
// if (cell==nil) {
// cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:#"cell"];
// }
//UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:#"cell"];
//if (cell==nil) {
UITableViewCell *cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:#"cell"];
//}
cell.textLabel.text=[[self.words objectAtIndex:indexPath.section]objectAtIndex:indexPath.row];
cell.detailTextLabel.text=[NSString stringWithFormat:#"This is detailed subtitle for %#.",cell.textLabel.text];
//cell.accessoryType=UITableViewCellAccessoryDetailDisclosureButton;
NSString *imagePath=[[NSBundle mainBundle]pathForResource:#"images" ofType:#"jpeg"];
UIImage *image=[[UIImage alloc]initWithContentsOfFile:imagePath];
cell.imageView.image=image;
return cell;
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
return [self.alphabets objectAtIndex:section];
}
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView;{
return self.alphabets;
}
#pragma mark -
#pragma mark Default
- (void)viewDidLoad
{
self.alphabets=[NSMutableArray new];
for (char i=97; i<123; i++) {
[self.alphabets addObject:[[NSString stringWithFormat:#"%c",i]capitalizedString]];
}
self.words=[NSMutableArray new];
for (NSString *character in _alphabets) {
NSMutableArray *twoD=[NSMutableArray new];
for (int i=1; i<(rand()%10)+1; i++) { //fill randamly any number 1 to 10.
[twoD addObject:[NSString stringWithFormat:#"%#%d",character,i]];
}
[self.words addObject:twoD];
}
// NSLog(#"->%#",self.words);
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#end

Answer 2

You probably should look at the UITableViewDataSource API documentation, specifically the -[UITableViewDataSource numberOfSectionsInTableView:] API.
You will also need to implement -[UITableViewDataSource tableView:numberOfRowsInSection:]. Both of these would need to be implemented in your class which implements the UITableViewDataSource protocol.

Answer 3

Please try to use this one....
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// ----- here you can return any value whatever you want. -----
return [array count];
}

Answer 4

You set totalSection and reload tableview
Before you set totalSection in [tableView reloadData];
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return totalSection;
}