adding uibuttons programmatically

here i have this code that i'm trying where openingHoursView.ohLocation has two values "value1" and "value2". So does openingHoursV开发者_运维百科iew.idNum with values "id1" and "id2". When i execute my code I only get one button with the name of "value2" and "id2". So my question would be how to create all the buttons for the values of openingHoursView.ohLocation and openingHoursView.idNum

- (void)loadView {

    storeAppDelegate = (StoreAppDelegate *)[[UIApplication sharedApplication] delegate];    

    int row = [storeAppDelegate.openingHoursLocationsDelegate count]-1;
    for (int i = 0; i <= row; i++) {
        openingHoursView = [storeAppDelegate.openingHoursLocationsDelegate objectAtIndex:i];

        self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];

        self.view.backgroundColor = [UIColor whiteColor];

        //create the button
        UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
        //set the position of the button
        if (i%2 != 0) {
            button.frame = CGRectMake(30 , 100 , 150, 30);

        }else {
            button.frame = CGRectMake(30 , 100 + i*50, 150, 30);
        }


        //set the button's title
        [button setTitle:openingHoursView.ohLocation forState:UIControlStateNormal];

        //listen for clicks
        [button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
        button.tag = [openingHoursView.idNum intValue];
        //add the button to the view
        [self.view addSubview:button];
    }
}

-(IBAction) buttonPressed: (id) sender {
    UIButton* button = (UIButton*)sender;

    NSLog(@"User clicked %d", button.tag);
    // Do something here with the variable 'sender'
}

Just an explanation objectAtIndex:0 for openingHoursView.ohLocation is "value1" and for objectAtIndex:1 is "value2". Same procedure for openingHoursView.idNum

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The problem is that you're doing:

self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];

self.view.backgroundColor = [UIColor whiteColor];

inside the for loop and thus gets overwritten on each iteration. You should only do it once before the for loop.

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You are creating a new view for every button in

self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];

Put this code before the for loop.

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UIButton *button = [[UIButton alloc]init]; [self.view addsubView:button];