UITabBarController，UITextView，UIToolbar，UISearchBar的综合应用

//存放视图控制器

NSMutableArray *_vcs=[NSMutableArray array];

//第一个视图

AViewController *a=[[AViewController alloc]init];

//指定navigat的根视图

UINavigationController *anavi=[[UINavigationController alloc]initWithRootViewController:a];

//设置tabbar的信息(自定义)

anavi.tabBarItem.title=@"A";

anavi.tabBarItem.image=nil;

anavi.tabBarItem.badgeValue=@"1";

//将nav控制器存放到控制器数组

[_vcs addObject:anavi];

[a release];

[anavi release];

//系统设置

/*系统设置

//UITabBarItem *aItem=[[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemDownloads tag:100];

//系统设置有标题

UITabBarItem *aItem=[[UITabBarItem alloc]initWithTitle:@"A"

image:nil

tag:1000];

anavi.tabBarItem=aItem;

*/

[_vcs addObject:anavi];

BViewController *b=[[BViewController alloc]init];

UINavigationController *bnavi=[[UINavigationController alloc]initWithRootViewController:b];

bnavi.tabBarItem.title=@"B";

bnavi.tabBarItem.image=nil;

bnavi.tabBarItem.badgeValue=@"2";

[_vcs addObject:bnavi];

[b release];

[bnavi release];

UITabBarController *tabBarController=[[UITabBarController alloc]init];

self.window.rootViewController=tabBarController;

tabBarController.viewControllers=_vcs;

tabBarController.delegate=self;

[tabBarController release];

return YES;

}

//将要选择

-(BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController{

//TODO: panduan

BOOL success=NO;

//让第四个不能用

// if ([viewController isEqual:[tabBarController.viewControllers objectAtIndex:3]]) {

// success=NO;

// }

return success;

}

//已经选择

-(void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController{

}

#import <UIKit/UIKit.h>

@interface AViewController : UIViewController<UISearchBarDelegate>{

}

@end

#import "AViewController.h"

@interface AViewController ()

@end

@implementation AViewController

-(void)loadView{

[super loadView];

self.title=@"A";

// UIButton *btn=[UIButton buttonWithType:UIButtonTypeRoundedRect];

// btn.frame=CGRectMake(100, 100, 100, 100);

// [btn addTarget:self

// action:@selector(change:)

// forControlEvents:UIControlEventTouchUpInside];

// [self.view addSubview:btn];

UISearchBar *search=[[UISearchBar alloc]initWithFrame:CGRectMake(0, 0, 320, 40)];

[self.view addSubview:search];

search.showsCancelButton=YES;

search.delegate=self;

for (UIView *v in search.subviews ) {

if ([v isKindOfClass:[UIButton class]]) {

[(UIButton *)v setTitle:@"关闭"

forState:0];

}

}

[search release];

}

-(void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{

[self.view endEditing:YES];

}

-(void)searchBarCancelButtonClicked:(UISearchBar *)searchBar{

[self.view endEditing:YES];

}

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

self.tabBarController.tabBar.hidden=YES;

self.tabBarController.selectedIndex=1;

}

@end

#import <UIKit/UIKit.h>

#import <QuartzCore/QuartzCore.h>

@interface BViewController : UIViewController<UITextFieldDelegate>

@end

#import "BViewController.h"

@interface BViewController ()

@end

@implementation BViewController

-(void)loadView{

[super loadView];

[self.navigationController setNavigationBarHidden:YES animated:YES];

self.title=@"B";

//文本视图

UITextView *textView=[[UITextView alloc]initWithFrame:CGRectMake(0, 0, 320, 400)];

textView.text=@"jiu bu gao su ni wo shi shui ";

textView.scrollEnabled=YES;

textView.editable=YES;

textView.backgroundColor=[UIColor grayColor];

//设置边框

textView.layer.borderColor=[UIColor blueColor].CGColor;

//设置边框宽度

textView.layer.borderWidth=3;

//设置字体和大小

textView.font=[UIFont fontWithName:@"Arial" size:14];

textView.layer.cornerRadius=10;

//系统字体

[UIFont familyNames];

[self.view addSubview:textView];

[textView release];

/*

UIView *hidKeyBordView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 30)];

hidKeyBordView.backgroundColor=[UIColor yellowColor];

textView.inputAccessoryView=hidKeyBordView;

[hidKeyBordView release];

*/

NSMutableArray *array=[NSMutableArray array];

//left

UIBarButtonItem *oneItem=[[UIBarButtonItem alloc]initWithTitle:@"Done"

style:UIBarButtonItemStyleBordered

target:self

action:@selector(hideKeyBord:)];

[array addObject:oneItem];

[oneItem release];

UIBarButtonItem *spaceItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:

//可扩展的

UIBarButtonSystemItemFlexibleSpace

target:nil

action:nil];

[array addObject:spaceItem];

[spaceItem release];

//right

UIBarButtonItem *twoItem=[[UIBarButtonItem alloc]initWithTitle:@"Done"

style:UIBarButtonItemStyleBordered

target:self

action:@selector(hideKeyBord:)];

[array addObject:twoItem];

[twoItem release];

UIToolbar *toolBar=[[UIToolbar alloc]initWithFrame:CGRectMake(0, 0, 320, 40)];

toolBar.items=array;

toolBar.barStyle=UIBarStyleDefault;

textView.inputAccessoryView=toolBar;

}

-(void)hideKeyBord:(UIBarButtonItem *)item{

[self.view endEditing:YES];

}

@end