【iOS開發-78】用代碼實現UITabBarController+UINavigationController

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#import "WPTabBarController.h"#import "WPFirstViewController.h"#import "WPSecondViewController.h"#import "WPThirdViewController.h"#import "WPFourthViewController.h"@interface WPTabBarController ()@end@implementation WPTabBarController- (void)viewDidLoad {    WPFirstViewController *firsVc=[[WPFirstViewController alloc]init];    WPSecondViewController *secondVc=[[WPSecondViewController alloc]init];    WPThirdViewController *thirdVc=[[WPThirdViewController alloc]init];    WPFourthViewController *fourthVc=[[WPFourthViewController alloc]init];        //以下兩種方式均可設定tabbar上得標題    [email protected]"訊息";    //[email protected]"訊息";    [email protected]"連絡人";    //[email protected]"連絡人";    [email protected]"動態";    //[email protected]"動態";    [email protected]"設定";    //[email protected]"設定";    //設定icon    firsVc.tabBarItem.image=[UIImage imageNamed:@"tab_recent_nor"];    secondVc.tabBarItem.image=[UIImage imageNamed:@"tab_buddy_nor"];    thirdVc.tabBarItem.image=[UIImage imageNamed:@"tab_qworld_nor"];    fourthVc.tabBarItem.image=[UIImage imageNamed:@"tab_me_nor"];        firsVc.view.backgroundColor=[UIColor redColor];    secondVc.view.backgroundColor=[UIColor whiteColor];    thirdVc.view.backgroundColor=[UIColor purpleColor];    fourthVc.view.backgroundColor=[UIColor greenColor];            //用以下方式添加子控制器    //[email protected][firsVc,secondVc,thirdVc,fourthVc];    [self addChildViewController:firsVc];    [self addChildViewController:secondVc];    [self addChildViewController:thirdVc];    [self addChildViewController:fourthVc];        [super viewDidLoad];    // Do any additional setup after loading the view.}

核心：

——定義1個tabBat控制器和4個導航控制器，然後通過addChildViewController或者數組的形式把4個導航控制器加到tabBar控制器中。

——每個導航控制器通過tabBarItem屬性來設定標題和icon等。

介面截屏：

【iOS開發-78】用代碼實現UITabBarController+UINavigationController