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I ,.

2. Engineering Drawing.

3. Code.

RootViewController. h

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController@end

 

RootViewController. m

# Import "RootViewController. h "# import" DetailViewController. h "@ interface RootViewController () @ end @ implementation RootViewController-(id) initWithNibName :( NSString *) bundle :( NSBundle *) handle {self = [super initWithNibName: nibNameOrNil bundle: nibBundleOrNil]; if (self) {// Custom initialization} return self;}-(void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // initialize the search box [self creatSearchBar];} # pragma-mark-functions-(void) creatSearchBar {UIImageView * searchView = [[UIImageView alloc] initWithImage: [UIImage imageNamed: @ "search"]; searchView. frame = CGRectMake (0, 80,320, 40); searchView. userInteractionEnabled = YES; [self. view addSubview: searchView]; UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] init]; tap. numberOfTouchesRequired = 1; [tap addTarget: self action: @ selector (searchViewPress :)]; [searchView progress: tap]; UILabel * titleLabel = [[UILabel alloc] initWithFrame: CGRectMake (20, 10,200, 20)]; titleLabel. text = @ "Search"; titleLabel. font = [UIFont systemFontOfSize: 12]; [searchView addSubview: titleLabel] ;}# pragma-mark-doClickActions-(void) searchViewPress :( UIGestureRecognizer *) tap {DetailViewController * detail = [[DetailViewController alloc] init]; [self. navigationController pushViewController: detail animated: NO];}-(void) didReceiveMemoryWarning {[super didreceivemorywarning]; // Dispose of any resources that can be recreated .}

 

DetailViewController. h

#import <UIKit/UIKit.h>@interface DetailViewController : UIViewController@end

 

DetailViewController. m

#import "DetailViewController.h"@interface DetailViewController ()@end@implementation DetailViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}