Custom Tabbar for iOS

// mytabbar.h
#import

@class AppDelegate;

@interface mytabbar :UITabBarController
{
       AppDelegate *appDelegate;
       NSMutableArray *arrayofButton;
       BOOL isRotate;
}
@property (nonatomic,retain) NSMutableArray *arrayofButton;
-(void) tabBarAction:(UIButton*)sender;
-(void) setFrameForPortrait;
-(void) setFrameForLandScap;
@end

*******************
// mytabbar.m
*******************
#import mytabbar.h"
#import "myvc1.h"
#import "myvc2.h"


@implementation mytabbar
@synthesize arrayofButton;

-(void)viewWillAppear:(BOOL)animated
{
  [super viewWillAppear:YES];
}

- (void)viewDidLoad {

 [super viewDidLoad];
   appDelegate=(AppDelegate*)[[UIApplication sharedApplication] delegate];
   self.tabBarController.delegate=self;
   arrayofButton = [[NSMutableArray alloc] init];
   self.view.autoresizesSubviews=YES;
   self.view.autoresizingMask=UIViewAutoresizingFlexibleHeight||UIViewAutoresizingFlexibleWidth;
   NSMutableArray *controllerarray=[[NSMutableArray alloc] init];
   UIImageView *tabBarBG=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Toll_bar.png"]];
  tabBarBG.frame=CGRectMake(0, 0, 1024,50);
  [self.tabBar addSubview:tabBarBG];

   myvc1 *loc=[[myvc1 alloc] initWithNibName:@"myvc1" bundle:nil];
   UINavigationController *nav_loc=[[UINavigationController alloc] initWithRootViewController:loc];
   [nav_loc setNavigationBarHidden:FALSE];
   loc.tabBarItem.image=[UIImage imageNamed:@"tabTempImage1.png"];
   loc.tabBarItem.title=@"Locations";
   [controllerarray addObject:loc];
   [nav_loc release];
   [loc release];

   myvc2 *loc2=[[myvc1 alloc] initWithNibName:@"myvc1" bundle:nil];
   UINavigationController *nav_loc2=[[UINavigationController alloc] initWithRootViewController:loc2];
   [nav_loc2 setNavigationBarHidden:FALSE];
   loc2.tabBarItem.image=[UIImage imageNamed:@"tabTempImage1.png"];
   loc2.tabBarItem.title=@"Locations";
   [controllerarray addObject:loc2];
   [nav_loc2 release];
   [loc2 release];

   self.viewControllers=controllerarray;
   [controllerarray release];
   isRotate=NO;
}


-(void)viewDidAppear:(BOOL)animated
{
 [super viewDidAppear:YES];
 UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeCustom];

 [self.tabBar addSubview:btn1];

 [btn1 setImage:[UIImage imageNamed:@"Tab0.png"] forState:UIControlStateNormal];
 [btn1 setImage:[UIImage imageNamed:@"Tab0_s.png"] forState:UIControlStateSelected];
 btn1.tag = 0;
 btn1.frame = CGRectMake(0+109,0,110, 48);
 [btn1 addTarget:self action:@selector(tabBarAction:) forControlEvents:UIControlEventTouchUpInside];
 [arrayofButton addObject:btn1];

 UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeCustom];
 [self.tabBar addSubview:btn2];
 [btn2 setImage:[UIImage imageNamed:@"Tab1.png"] forState:UIControlStateNormal];
 [btn2 setImage:[UIImage imageNamed:@"Tab1_s.png"] forState:UIControlStateSelected];

 //[btn2 setTitle:@"Sosh" forState:UIControlStateNormal];
 btn2.tag = 1;
 btn2.frame = CGRectMake(219,0,110, 48);
 [btn2 addTarget:self action:@selector(tabBarAction:) forControlEvents:UIControlEventTouchUpInside];
 [arrayofButton addObject:btn2];

 [btn2 setSelected:YES];

 self.selectedIndex=1;
}
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
 [super didReceiveMemoryWarning];

// Release any cached data, images, etc. that aren't in use.
}

- (void)viewDidUnload {
 [super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}


- (void)dealloc {
  [super dealloc];
}

- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
 UIButton *b = [arrayofButton objectAtIndex:tabBarController.selectedIndex];
 [self tabBarAction:b];

}

-(void) tabBarAction:(UIButton*)sender{

  UIButton *btn = sender;

  self.selectedIndex = btn.tag;
  for (int i=0; i < [arrayofButton count]; i++) {
  UIButton *b = [arrayofButton objectAtIndex:i];
  [b setSelected:NO];

}
 self.selectedIndex =0;
 self.selectedIndex=btn.tag;
 [btn setSelected:YES];

}
-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{

if( interfaceOrientation == UIInterfaceOrientationPortrait||interfaceOrientation==UIInterfaceOrientationPortraitUpsideDown )
{ [self setFrameForPortrait];



}
if( interfaceOrientation == UIInterfaceOrientationLandscapeLeft||interfaceOrientation==UIInterfaceOrientationLandscapeRight)
{
   [self setFrameForLandScap];
}
return YES;


}
-(void) setFrameForPortrait{
 int temp=109;
 NSLog(@"setFrameForPortrait=%f",  self.tabBarController.tabBar.frame.origin.x);
 //[self.tabBarController.tabBar setFrame:CGRectMake(0, 0, 768, 50)];
 for (int i=0; i < [arrayofButton count] ; i++)
{
  UIButton *b = [arrayofButton objectAtIndex:i];
   if(i==0)
   {
     b.frame = CGRectMake(i+temp, 0, 110, 48);
   }else {
     b.frame = CGRectMake(i*110+temp, 0, 110, 48);
  }
 }
}

-(void) setFrameForLandScap{
  CGRect cg=self.tabBarController.selectedViewController.view.frame;
  NSLog(@"setFrameForLandScap=%@", NSStringFromCGRect(self.tabBarController.tabBar.frame));
  //[self.tabBarController.tabBar setFrame:CGRectMake(0, 0, 1024, 50)];
  NSLog(@"%@",NSStringFromCGRect(cg));
  int temp=237;
  for (int i=0; i < [arrayofButton count] ; i++) {
    UIButton *b = [arrayofButton objectAtIndex:i];
     if(i==0)
    {
     b.frame = CGRectMake(i+temp, 0, 110, 48);
    }else {
     b.frame = CGRectMake(i*110+temp,0, 110, 48);
   }
}
}

@end

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