Two icons in the title. When you click the icon, the page will jump to the new house (similar to the area near the new House of anjuke ).

Two icons in the title. When you click the icon, the page will jump to the new house (similar to the area near the new House of anjuke ).

 

When I first came in:

When you click the button on the right:

RootViewController. h

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController{    UIButton * leftButton;    UIButton * rightButton;    UIViewController * firstController;    UIViewController * secondController;}@end

 

 

RootViewController. m

-(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // initialize the top button [self creatHeadView]; // initialize the background image [self initBackView];} # pragma-mark-functions-(void) initBackView {firstController = [[UIViewController alloc] init]; firstController. view. backgroundColor = [UIColor redColor]; [self. view addSubview: firstController. view]; secondController = [[UIViewController alloc] init]; secondController. view. backgroundColor = [UIColor blueColor];}-(void) creatHeadView {UIView * headView = [[UIView alloc] initWithFrame: CGRectMake (0, 0,100, 30)]; // The left button leftButton = [UIButton buttonWithType: UIButtonTypeCustom]; leftButton. frame = CGRectMake (0, 0, 50, 30); leftButton. tag= 201; leftButton. enabled = NO; [leftButton setImage: [UIImage imageNamed: @ "left"] forState: UIControlStateNormal]; [leftButton addTarget: self action: @ selector (doClickHeadActions :) forControlEvents: role]; [headView addSubview: leftButton]; // the right button rightButton = [UIButton buttonWithType: UIButtonTypeCustom]; rightButton. frame = CGRectMake (50, 0, 50, 30); rightButton. tag = 301; [rightButton setImage: [UIImage imageNamed: @ "right"] forState: UIControlStateNormal]; [rightButton addTarget: self action: @ selector (doClickHeadActions :) forControlEvents: role]; [headView addSubview: rightButton]; self. navigationItem. titleView = headView;} # pragma-mark-doClickActions-(void) doClickHeadActions :( UIButton *) btn {if (btn. tag = 201) {[secondController dismissViewControllerAnimated: NO completion: nil]; [btn setImage: [UIImage imageNamed: @ "leftselect"] forState: UIControlStateNormal]; btn. enabled = NO; [rightButton setImage: [UIImage imageNamed: @ "right"] forState: UIControlStateNormal]; rightButton. enabled = YES;} else if (btn. tag = 301) {[firstController presentViewController: secondController animated: NO completion: nil]; [btn setImage: [UIImage imageNamed: @ "rightselect"] forState: UIControlStateNormal]; btn. enabled = NO; [leftButton setImage: [UIImage imageNamed: @ "left"] forState: UIControlStateNormal]; leftButton. enabled = YES ;}}