IOS-UITabBarController

 简书 http://www.jianshu.com/p/a64323524e64

系统tabbar和自定义tabbar同时使用，再自定义的子类tabbar中重新约束位置

////  MainTabBarViewController.m//  YunMaiDriver////  Created by zpf on 2017/9/13.//  Copyright © 2017年 YunMai. All rights reserved.//#import "MainTabBarViewController.h"#import "HomePageViewController.h"#import "DriverTaskListViewController.h"#import "MessageViewController.h"#import "MineViewController.h"#import "CustomTabBar.h"#import "TripViewController.h"@interface MainTabBarViewController ()@property (nonatomic, strong) CustomTabBar *customTabBar;@end@implementation MainTabBarViewController+ (void)initialize {        UITabBarItem *tabBarItem = [UITabBarItem appearance];    NSMutableDictionary *norDict = @{}.mutableCopy;    norDict[NSFontAttributeName] = [UIFont systemFontOfSize:12];    norDict[NSForegroundColorAttributeName] = greyFont_Color;    [tabBarItem setTitleTextAttributes:norDict forState:UIControlStateNormal];        NSMutableDictionary *selDict = @{}.mutableCopy;    selDict[NSFontAttributeName] = norDict[NSFontAttributeName];    selDict[NSForegroundColorAttributeName] = Theme_Color;    [tabBarItem setTitleTextAttributes:selDict forState:UIControlStateSelected];    }- (void)viewWillAppear:(BOOL)animated{    [super viewWillAppear:animated];        self.navigationController.navigationBarHidden = YES;}- (void)viewDidLoad {    [super viewDidLoad];        CGFloat barItemTitlePositionVertical = 0;        HomePageViewController *ymDriverHomeVC = [[HomePageViewController alloc] init];    UINavigationController *homeNavi = [[UINavigationController alloc] initWithRootViewController:ymDriverHomeVC];    UITabBarItem *homeBarItem = [[UITabBarItem alloc] initWithTitle:@"首页" image:IMAGE(@"首页-未选中") tag:0];    homeBarItem.accessibilityIdentifier = @"tabBar_homePage";    [homeBarItem setTitlePositionAdjustment:UIOffsetMake(0, barItemTitlePositionVertical)];    homeBarItem.selectedImage = [IMAGE(@"首页-选中") imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];    homeNavi.tabBarItem = homeBarItem;        DriverTaskListViewController *driverTaskListVC = [[DriverTaskListViewController alloc] init];    UINavigationController *driverTaskNavi = [[UINavigationController alloc] initWithRootViewController:driverTaskListVC];    UITabBarItem *driverTaskBarItem = [[UITabBarItem alloc] initWithTitle:@"任务" image:IMAGE(@"任务-未选中") tag:0];    driverTaskBarItem.accessibilityIdentifier = @"tabBar_driverTask";    [driverTaskBarItem setTitlePositionAdjustment:UIOffsetMake(0, barItemTitlePositionVertical)];    driverTaskBarItem.selectedImage = [IMAGE(@"任务-选中") imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];    driverTaskNavi.tabBarItem = driverTaskBarItem;        MessageViewController *messageVC = [[MessageViewController alloc] init];    UINavigationController *messageNavi = [[UINavigationController alloc] initWithRootViewController:messageVC];    UITabBarItem *messageBarItem = [[UITabBarItem alloc] initWithTitle:@"消息" image:IMAGE(@"消息-未选中") tag:0];    messageBarItem.accessibilityIdentifier = @"tabBar_message";    [messageBarItem setTitlePositionAdjustment:UIOffsetMake(0, barItemTitlePositionVertical)];    messageBarItem.selectedImage = [IMAGE(@"消息-选中") imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];    messageNavi.tabBarItem = messageBarItem;        MineViewController *myVC = [[MineViewController alloc] init];    UINavigationController *myNavi = [[UINavigationController alloc] initWithRootViewController:myVC];    UITabBarItem *myBarItem = [[UITabBarItem alloc] initWithTitle:@"我的" image:IMAGE(@"我的-未选中") tag:0];    myBarItem.accessibilityIdentifier = @"tabBar_my";    [myBarItem setTitlePositionAdjustment:UIOffsetMake(0, barItemTitlePositionVertical)];    myBarItem.selectedImage = [IMAGE(@"我的-选中") imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];    myNavi.tabBarItem = myBarItem;        __weak MainTabBarViewController * weakSelf = self;        _customTabBar = [[CustomTabBar alloc] initWithFrame:CGRectMake(0, 0, iPhoneWidth, 49)];    _customTabBar.tripBtnBlock = ^(UIButton *button) {        NSLog(@"跳转到tripVC");        TripViewController * tripVC = [[TripViewController alloc] init];        [weakSelf.navigationController pushViewController:tripVC animated:YES];    };    _customTabBar.roadBtnBlock = ^(UIButton *sender) {        NSLog(@"跳转到roadVC");    };    [self setValue:_customTabBar forKey:@"tabBar"];        self.viewControllers = @[homeNavi, driverTaskNavi, messageNavi, 
////  CustomTabBar.m//  YunMaiDriver////  Created by zpf on 2017/9/13.//  Copyright © 2017年 YunMai. All rights reserved.//#import "CustomTabBar.h"#import "TripAndRoadView.h"#import "TripViewController.h"@interface CustomTabBar ()@property (nonatomic, strong) TripAndRoadView * tarView;@end@implementation CustomTabBar- (instancetype)initWithFrame:(CGRect)frame {    if (self = [super initWithFrame:frame]) {        [self makeUI];    }    return self;}- (void)makeUI {        [self removeAllSubviews];        CGFloat itemWith = iPhoneWidth / 5;        _contentBtn = [UIButton buttonWithType:UIButtonTypeCustom];    [_contentBtn setImage:IMAGE(@"中心圈圈") forState:UIControlStateNormal];    [_contentBtn setImage:IMAGE(@"关闭圈圈") forState:UIControlStateSelected];    [_contentBtn setImageEdgeInsets:UIEdgeInsetsMake(5, 0, -5, 0)];    _contentBtn.frame = CGRectMake(0, 0, itemWith, self.size.height);    [_contentBtn addTarget:self action:@selector(contentBtnClick:) forControlEvents:UIControlEventTouchUpInside];    _contentBtn.center = CGPointMake(self.size.width / 2, self.size.height / 2);    [self addSubview:_contentBtn];}- (TripAndRoadView *)tarView{    if (!_tarView) {        UIWindow * window = [[[UIApplication sharedApplication] delegate] window];        _tarView = [[TripAndRoadView alloc] initWithFrame:CGRectMake(0, 0, iPhoneWidth, iPhoneHeight - 50)];        [window addSubview:_tarView];    }    return _tarView;}- (void)showTripAndRoadView{    if (_contentBtn.selected) {        self.tarView.hidden = NO;    }else    {        self.tarView.hidden = YES;    }        __weak CustomTabBar * weakSelf = self;        self.tarView.tapBlock = ^(UITapGestureRecognizer *sender) {        weakSelf.contentBtn.selected = NO;        //        [weakSelf contentBtnClick:nil];    };        self.tarView.tripBlock = ^(UIButton *sender) {        weakSelf.contentBtn.selected = NO;        //        [weakSelf contentBtnClick:nil];        if (weakSelf.tripBtnBlock) {            weakSelf.tripBtnBlock(sender);        }    };        self.tarView.roadBlock = ^(UIButton *sender) {        weakSelf.contentBtn.selected = NO;        //        [weakSelf contentBtnClick:nil];        if (weakSelf.roadBtnBlock) {            weakSelf.roadBtnBlock(sender);        }    };}- (void)contentBtnClick:(UIButton *)button {        button.selected = !button.selected;    [self showTripAndRoadView];}- (void)layoutSubviews {    [super layoutSubviews];        CGFloat itemWith = iPhoneWidth / 5;        NSInteger index = 0;        for (UIView *childView in self.subviews) {        Class class = NSClassFromString(@"UITabBarButton");        if ([childView isKindOfClass:class]) {                        childView.frame = CGRectMake(index * itemWith, 0, itemWith, self.size.height);                        index++;                        if (index == 2) {                index++;            }        }    }}@end

myNavi]; self.selectedIndex = 0;}#pragma mark - 警告- (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning];}@end