create image grid on iOS

  - (void)viewDidLoad

{  

   myScroolView=[[scrollView alloc] init];

  [myScroolView setFrame:CGRectMake(self.view.frame.origin.x,self.view.frame.origin.x, self.view.frame.size.width , self.view.frame.size.height)];

   myScroolView.backgroundColor = [UIColor clearColor];

   myScroolView.userInteractionEnabled=YES;

   myScroolView.delegate=self;

    

    activityIndicator = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    activityIndicator.frame = CGRectMake(self.view.frame.size.width/2, self.view.frame.size.height/2, 30, 30);

    [self.view addSubview:activityIndicator];

    activityIndicator.hidden = YES;

    

       // Do any additional setup after loading the view from its nib.

[self createGrid];

}

-(void)createGrid

{

    NSLog(@"createGrid");

   

        [self.view addSubview:myScroolView];

        

       

        int outer=[YourImageArray count]/4;

        int inner=4;

   

        outer=([YourImageArray count]/4 -outer)>0? outer :outer+1;

        [myScroolView setContentSize:CGSizeMake(1024.0f, (outer*80)+30.0f)];

        for (int i=0,t=0;i<outer;i++)

        {

            if (i == outer-1) {

                inner=[YourImageArray count]%4;

                

            }

            for (int j=0; j<inner; j++) {

                

                UIImageView *myImage = [[UIImageView alloc] initWithFrame:CGRectMake(j*231.0f+90.0f, i*231.0f+90.0f,231.0f,231.0f)];

                myImage.image = [UIImage imageWithContentsOfFile:[YourImageArray objectAtIndex:t]];

                myImage.tag = t;

                [myImage setUserInteractionEnabled:YES];

                [myScroolView addSubview:myImage];

                [myImage release];

                t++;

            }

             

        }

        

        

    [activityIndicator stopAnimating];

    

}