new/二期/General/Root/CustomTabBarController.m

//
//  BPViewController.m
//  家有宝贝
//
//  Created by wuli萍萍 on 16/5/21.
//  Copyright © 2016年 wuli萍萍. All rights reserved.
//

#import "CustomTabBarController.h"
#import "HomePageVC.h"
#import "MallHomeVC.h"
#import "MineHomeVC.h"
#import "CustomTabBar.h"
#import "xingchuangke-Swift.h"
@interface CustomTabBarController ()

@end

@implementation CustomTabBarController
#pragma mark 懒加载

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    //去掉分割线
    GB_Nav.navigationBar.shadowImage = [UIImage new];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.delegate = self;
    [self.view setBackgroundColor:COLOR_BACKGROUND];
    // 添加子控制器
    [self setUpChildVC:[HomePageVC new] title:@"首页" image:@"home_un" selectedImage:@"home"];
    [self setUpChildVC:[ShoppingMallCollectionViewController new] title:@"商城" image:@"aide_un" selectedImage:@"aide"];
    [self setUpChildVC:[MyViewController new] title:@"我的" image:@"mine_un" selectedImage:@"mine"];

    // 设置tabbar的背景图片
    [[CustomTabBar appearance]setBackgroundColor:[UIColor whiteColor]];
    [[CustomTabBar appearance]setShadowImage:[[UIImage alloc]init]];//将TabBar上的黑线去掉
    CustomTabBar *tabBar = [[CustomTabBar alloc] init];
    // 设置代理
    tabBar.delegate = self;
    [self setValue:tabBar forKey:@"tabBar"];
//    [self setupTabBar];
}

- (void)setupTabBar{
    UIView *bgView = [[UIView alloc] initWithFrame:self.tabBar.bounds];
    bgView.backgroundColor = [UIColor whiteColor];
    //[self.tabBar insertSubview:bgView atIndex:0];
    self.tabBar.opaque = YES;
}

#pragma mark ---- 初始化子控制器
- (void)setUpChildVC:(UIViewController *)vc title:(NSString *)title image:(NSString *)image selectedImage:(NSString *)selectedImage {
    vc.title = title;
    
    vc.tabBarItem.image = [[UIImage imageNamed:image]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    // 禁用图片渲染
    vc.tabBarItem.selectedImage = [[UIImage imageNamed:selectedImage] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    //设置字体和图片的距离
    CGFloat spaceTop;
    CGFloat imageTop;
    CGFloat fontSize;
    if (SCREEN_WIDTH == 320) {
        imageTop = -2;
        fontSize = 9;
        spaceTop = -4;
    }else if (SCREEN_WIDTH == 375){
        imageTop = -2;
        fontSize = 11;
        spaceTop = -1;
    }else if (SCREEN_WIDTH == 414){
        imageTop = -2;
        fontSize = 12;
        spaceTop = -5;
    }else{
        imageTop = -2;
        spaceTop = -5;
        fontSize = 11;
    }
    [vc.tabBarItem setImageInsets:UIEdgeInsetsMake(imageTop,0, -imageTop, 0)];

    [vc.tabBarItem setTitlePositionAdjustment:UIOffsetMake(0, spaceTop)];
//    if (@available(iOS 13.0, *)) {
//        UITabBarAppearance *appearance = [self.tabBar.standardAppearance copy];
//        // 设置未被选中的颜色
//        appearance.stackedLayoutAppearance.normal.titleTextAttributes = @{NSForegroundColorAttributeName :COLOR_TEXT_UNSELECT,NSFontAttributeName:[UIFont systemFontOfSize:F(12)]};
//        // 设置被选中时的颜色
//        appearance.stackedLayoutAppearance.selected.titleTextAttributes = @{NSForegroundColorAttributeName :[UIColor blackColor] ,NSFontAttributeName:[UIFont systemFontOfSize:F(12)]};
//        appearance.shadowColor = [UIColor clearColor];
//        [appearance configureWithTransparentBackground];
////        if ((SCREEN_HEIGHT == 812||SCREEN_HEIGHT == 896)) {
////            appearance.backgroundImage=[UIImage imageNamed:@"background_tab_375"];
////        }else{
////            appearance.backgroundImage=[UIImage imageNamed:@"background_tab"];
////        }
//        vc.tabBarController.tabBar.standardAppearance = appearance;
//
//    }else{
        // 设置文字的样式
        [vc.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName :COLOR_TEXT_UNSELECT,NSFontAttributeName:[UIFont systemFontOfSize:fontSize]} forState:UIControlStateNormal];
        [vc.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName :[UIColor blackColor] ,NSFontAttributeName:[UIFont systemFontOfSize:fontSize]} forState:UIControlStateSelected];
        self.tabBar.backgroundColor = [UIColor clearColor];
//        if ((SCREEN_HEIGHT == 812||SCREEN_HEIGHT == 896)) {
//            self.tabBar.backgroundImage=[UIImage imageNamed:@"background_tab_375"];
//        }else if (SCREEN_WIDTH==414){
//            self.tabBar.backgroundImage=[UIImage imageNamed:@"background_tab_414"];
//        } else{
//            self.tabBar.backgroundImage=[UIImage imageNamed:@"background_tab"];
//        }
        [self.tabBar setShadowImage:[UIImage new]];//将TabBar上的黑线去掉
//    }
//    if([UINavigationBar conformsToProtocol:@protocol(UIAppearanceContainer)]) {
//        [UINavigationBar appearance].tintColor = [UIColor whiteColor];
//        [[UINavigationBar appearance] setTitleTextAttributes:@{NSFontAttributeName : [UIFont boldSystemFontOfSize:18], NSForegroundColorAttributeName : COLOR_LABEL}];
//        [[UINavigationBar appearance] setBarTintColor:[UIColor whiteColor]];
//        [[UINavigationBar appearance] setTranslucent:NO];
//    }
    // 包装一个导航控制器, 添加导航控制器为tabbarcontroller的子控制器
    [self addChildViewController:vc];
}

- (void)viewWillLayoutSubviews
{
    [super viewWillLayoutSubviews];
    CGFloat tabberHeight = TABBAR_HEIGHT;
//    if (SCREEN_WIDTH == 320){
//        tabberHeight = 50;
//    }else if(SCREEN_WIDTH == 375){
//        tabberHeight = IS_iPhoneX ? 83 : 53;
//    }else{
//        tabberHeight = 55;
//    }
    CGRect tabFrame = self.tabBar.frame; //self.TabBar is IBOutlet of your TabBar
    tabFrame.size.height = tabberHeight;
    tabFrame.origin.y = self.view.frame.size.height - tabberHeight;
    self.tabBar.frame = tabFrame;
}

#pragma mark tabbarVC delegate
-(BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController{
    return true;
}



@end