搜索框

#import "AppDelegate.h"

#import "MainViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

-(void)dealloc

{

    [_windowrelease];

    [superdealloc];

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // Override point for customization after application launch.

    self.window = [[UIWindowalloc] initWithFrame:[[UIScreenmainScreen] bounds]];

    [_windowsetBackgroundColor:[UIColorwhiteColor]];

    [_windowmakeKeyAndVisible];

    [_windowrelease];

    

    MainViewController *main = [[MainViewControlleralloc] init];

    UINavigationController *nav = [[UINavigationControlleralloc] initWithRootViewController:main];

    self.window.rootViewController = nav;

    [mainrelease];

    [navrelease];

    return YES;

}

#import "MainViewController.h"

@interface MainViewController ()<UISearchBarDelegate>

@end

@implementation MainViewController

-(void)dealloc

{

    [superdealloc];

}

-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

   self = [superinitWithNibName:nibNameOrNil bundle:nibBundleOrNil];

   if (self) {

        

    }

    return self;

}

- (void)viewDidLoad {

    [superviewDidLoad];

    // Do any additional setup after loading the view.\

    

    

    self.navigationController.navigationBar.translucent = NO;

    

   UISearchBar *search = [[UISearchBaralloc] initWithFrame:CGRectMake(0,100, 300, 80)];

    search.barStyle =UIBarStyleDefault ;

    search.prompt =@"百度";

    search.placeholder =@"请输入";

    

    search.showsBookmarkButton =YES;

    search.showsCancelButton =YES;

    search.delegate =self;

    

    

    [self.viewaddSubview:search];

    [searchrelease];

    

    

    

}

- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar

{

    return YES;

}

//点击输入框开始编辑

- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar

{

   NSLog(@"%s",__func__);

}

- (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar

{

    return YES;

}

- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar

{

 NSLog(@"%s",__func__);

}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText

{

   NSLog(@"%s",__func__);

}

- (BOOL)searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text

{

    return YES;

}

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar

{

 NSLog(@"%s",__func__);

}

- (void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar

{

 NSLog(@"%s",__func__);

}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar

{

 NSLog(@"%s",__func__);

}

- (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBar

{

 NSLog(@"%s",__func__);

}