iOS 自定义一个常规的TabBar

#import "WJWBaseTabBarViewController.h"

#import "WJWTabBarButton.h"

#import "WJWMainViewController.h"

#import "WJWDiscoverViewController.h"

#import "WJWMyViewController.h"

@interface WJWBaseTabBarViewController ()

@property (nonatomic, weak) UIButton *selectedBtn;

@end

@implementation WJWBaseTabBarViewController

+ (void)load {

    UITabBarItem *item = [UITabBarItem appearanceWhenContainedInInstancesOfClasses:@[[self class]]];

    NSMutableDictionary *attrs = [NSMutableDictionary dictionary];

    attrs[NSForegroundColorAttributeName] = [UIColor blackColor];

    [item setTitleTextAttributes:attrs forState:UIControlStateSelected];

    NSMutableDictionary *attrsFontNormal = [NSMutableDictionary dictionary];

    attrsFontNormal[NSFontAttributeName] = [UIFont systemFontOfSize:13];

    [item setTitleTextAttributes:attrs forState:UIControlStateSelected];

}

- (void)viewDidLoad {

    [super viewDidLoad];

    [self configAllSunTabs];

    [self setAllTabBarItems];

}

- (void)configAllSunTabs {

    WJWMainViewController *mainVC = [[WJWMainViewController alloc] init];

    UINavigationController *nav1 = [[UINavigationController alloc] initWithRootViewController:mainVC];

    [self addChildViewController:nav1];

    WJWDiscoverViewController *disVC = [[WJWDiscoverViewController alloc] init];

    UINavigationController *nav2 = [[UINavigationController alloc] initWithRootViewController:disVC];

    [self addChildViewController:nav2];

    WJWMyViewController *myVC = [[WJWMyViewController alloc] init];

    UINavigationController *nav3 = [[UINavigationController alloc] initWithRootViewController:myVC];

    [self addChildViewController:nav3];

}

- (void)setAllTabBarItems {

    NSArray *normalBtnArray = @[@"home_normal",@"faxian_normal",@"shequ_normal",@"haoyou_normal",@"wode_normal"];

    NSArray *highlightBtnArray = @[@"home_highlight",@"faxian_highlight",@"shequ_highlight",@"haoyou_highlight",@"wode_highlight"];

    NSArray *titleArray = @[@"首页",@"发现",@"社区",@"好友",@"我的"];

    UINavigationController *nav1 = self.childViewControllers[0];

    nav1.tabBarItem.title = titleArray[0];

    nav1.tabBarItem.image = [UIImage imageNamed:normalBtnArray[0]];

    nav1.tabBarItem.selectedImage = [UIImage imageNamed:highlightBtnArray[0]];

    UINavigationController *nav2 = self.childViewControllers[1];

    nav2.tabBarItem.title = titleArray[1];

    nav2.tabBarItem.image = [UIImage imageNamed:normalBtnArray[1]];

    nav2.tabBarItem.selectedImage = [UIImage imageNamed:highlightBtnArray[1]];

    UINavigationController *nav3 = self.childViewControllers[2];

    nav3.tabBarItem.title = titleArray[4];

    nav3.tabBarItem.image = [UIImage imageNamed:normalBtnArray[4]];

    nav3.tabBarItem.selectedImage = [UIImage imageNamed:highlightBtnArray[4]];

}

- (void)viewDidLayoutSubviews {

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

    // Get the new view controller using [segue destinationViewController].

    // Pass the selected object to the new view controller.

}

*/

@end

AppDelegete.m 中把tabBarController设置为 window的根控制器。

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

    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

    WJWBaseTabBarViewController *baseTabBar = [[WJWBaseTabBarViewController alloc] init];

    self.window.rootViewController = baseTabBar;

    [self.window makeKeyAndVisible];

    return YES;

}

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iOS 自定义一个常规的TabBar

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