Create Grid Layout View Matrix Programatically

OutPut

View Controller

 #import "BGGridImagesView.h"  
 -(void) groupLayout {  
   BGGridImagesView *gridView = [[BGGridImagesView alloc] initWithFrame:CGRectMake(0, 0, 140, 100)];  
   [self.view addSubview:gridView];  
 }  

View
BGGridImagesView.h

 #import <UIKit/UIKit.h>  
 @interface BGGridImagesView : UIView  
 @end  

BGGridImagesView.m

 //  
 // BGGridImagesView.m  
 //  
 // Created by Bishal Ghimire on 8/9/13.  
 // Copyright (c) 2013. All rights reserved.  
 //  
 #import "BGGridImagesView.h"  
 @implementation BGGridImagesView  
 - (id)initWithFrame:(CGRect)frame  
 {  
   self = [super initWithFrame:frame];  
   if (self) {  
     [self layoutGrid];  
   }  
   return self;   
 }   
 -(void) layoutGrid {  
   NSInteger grid[10][10];  
   NSInteger k = 0;  
   for (int row = 0; row < 4; row++) {  
     for (int column = 0; column < 5; column++) {  
       k++;  
       grid[row][column] = k;  
       UILabel *lbl = [[UILabel alloc] initWithFrame:CGRectMake(column*30, row * 30, 20, 20)];  
       NSString *string = [[NSString alloc] init];  
       string = [NSString stringWithFormat:@"%d",k];  
       lbl.text = string;  
       [self addSubview:lbl];  
     }  
   }  
 }  
 /*  
 // Only override drawRect: if you perform custom drawing.  
 // An empty implementation adversely affects performance during animation.  
 - (void)drawRect:(CGRect)rect  
 {  
   // Drawing code  
 }  
 */  
 @end  

Using UIButtons

 #pragma mark - Grid Layout  
 #define FACTOR 1.0  
 #define kHeight 85.0f  
 #define kWidth 85.0f  
 #define xPadding 15.0f  
 #define yPadding 25.0f  
 #define kNoOfColumn 3  
 -(void) loadGridImages {  
   UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:self.bounds];  
   int numberOfImages = 30;  
   CGRect frame = self.frame;  
   NSInteger grid[30][30];  
   NSInteger k = 0;  
   BOOL dobreak = NO;  
   CGFloat heightFactor = ( kHeight / kNoOfColumn ) * 3;  
   CGFloat widthFactor = ( kWidth / kNoOfColumn ) * 3;  
   for (int row = 0; row < (numberOfImages / kNoOfColumn) && !dobreak; row++) {  
     for (int column = 0; column < kNoOfColumn; column++) {  
       k++;  
       grid[row][column] = k;  
       DLog(@"%d",k);  
       if (k > numberOfImages) {  
         dobreak = YES;  
         break;  
       }  
       frame.size.height = heightFactor;  
       frame.size.width = widthFactor;  
       frame.origin.x = 10 + ( heightFactor * column) + (10 * column);  
       frame.origin.y = 20 + ( widthFactor * row) + (10 * row);  
       UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];  
       NSString *string = [NSString stringWithFormat:@"%d",k];  
       [button setTitle:string forState:UIControlStateNormal];  
       button.titleLabel.font = [UIFont systemFontOfSize:30];  
       //button.backgroundColor = [UIColor blueColor];  
       [button addTarget:self action:@selector(showActionSheet:) forControlEvents:UIControlEventTouchUpInside];  
       button.frame = frame;  
       button.tag = k;  
       [scrollView addSubview:button];  
     }  
   }  
   [scrollView setContentSize:CGSizeMake(self.frame.size.width - xPadding, (((numberOfImages+1)/2) * heightFactor) * 0.8)];  
   [self addSubview:scrollView];  
 }  

Alternate Code* 

 #define FACTOR 1.0  
 #define kHeight 85.0f  
 #define kWidth 85.0f  
 #define xPadding 15.0f  
 #define yPadding 25.0f  
   
 // Three Grid Layout  
   
 -(void) loadGridImages{  
   int numberOfImages = 9;  
     
   CGRect frame = self.scrollView.frame;  
   for (int i = 0; i < numberOfImages; i++) {  
     int j = 0;  
     if (i < 3) {  
       j = i+3;  
     } else {  
       j = i;  
     }  
       
     if (j%3 == 0 ) {  
       frame.origin.x = xPadding;  
     }  
     else if ((j-1)%3 == 0 ) {  
       frame.origin.x = xPadding * 2 + kWidth * 1 ;  
     } else if ((j+1) %3 == 0) {  
       frame.origin.x = xPadding * 3 + kWidth * 2;  
     }  
       
     // frame.origin.y = ((i/3) * kHeight) + yPadding * 3;  
     frame.origin.y = ((i/3) * kHeight) + yPadding * (i/3);  
   
     frame.size.height = kHeight * FACTOR;  
     frame.size.width = kWidth * FACTOR;  
       
     UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];  
     UIImage *myImage = [UIImage imageNamed:@"checkmark"];  
     [button setBackgroundImage:myImage forState:UIControlStateNormal];  
       
     [button addTarget:self action:@selector(showActionSheet:) forControlEvents:UIControlEventTouchUpInside];  
     button.frame = frame;  
     button.tag = i+1;  
        
     [self.scrollView addSubview:button];  
   }  
 }  

*( NOT A Good algorithm ) but just for example



Finally to layout codes with format in Blogger I used -
http://codeformatter.blogspot.com/