// // MyTabBarViewController.m // Social // // Created by Mac on 2020/10/20. // Copyright © 2020 Mac. All rights reserved. //
#import "MyTabBarViewController.h"
@interface MyTabBarViewController () @property (nonatomic, weak) UIButton *composeButton; @end
@implementation MyTabBarViewController - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; // 不置前点击中间按钮会导致黑屏 [self.tabBar bringSubviewToFront:self.composeButton]; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. } #pragma mark - 初始化 - (instancetype)init { if (self = [super init]) { [self addChildViewControllers]; [self addComposeButton]; } return self; }
#pragma mark - 添加所有子控制器 - (void)addChildViewControllers { // [self addChildViewController:[[MainViewController alloc]init] withTitle:@"首页" withNormalImage:@"" withSelectImage:@""]; // // [self addChildViewController:[[CircleViewController alloc]init] withTitle:@"社区" withNormalImage:@"" withSelectImage:@""]; // // [self addChildViewController:[[MsgViewController alloc]init] withTitle:@"消息" withNormalImage:@"" withSelectImage:@""]; // // [self addChildViewController:[[MineViewController alloc]init] withTitle:@"我的" withNormalImage:@"" withSelectImage:@""]; [self addChildViewControllerClassName:@"MainViewController" title:@"首页" imageName:@"main"]; [self addChildViewControllerClassName:@"CircleViewController" title:@"社区" imageName:@"area"]; [self addChildViewController: [[UIViewController alloc] init]]; [self addChildViewControllerClassName:@"MsgViewController" title:@"消息" imageName:@"msg"]; [self addChildViewControllerClassName:@"MineViewController" title:@"我的" imageName:@"mine"]; self.tabBar.tintColor = RGB(254, 195, 10, 1); }
#pragma mark - 设置所有子控制器 - (void)addChildViewControllerClassName:(NSString *)className title:(NSString *)title imageName:(NSString *)imageName { UIViewController *viewController = [[NSClassFromString(className) alloc] init]; UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:viewController]; viewController.title = title; viewController.view.backgroundColor = [UIColor whiteColor]; viewController.tabBarItem.image = [UIImage imageNamed: imageName]; viewController.tabBarItem.selectedImage = [UIImage imageNamed:[NSString stringWithFormat:@"%@_select", imageName]]; [self addChildViewController:nav]; }
#pragma mark - 添加中间的按钮 - (void)addComposeButton { UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom]; [button setImage:[UIImage imageNamed:@"add_select"] forState:UIControlStateNormal]; [button setImage:[UIImage imageNamed:@"add_select"] forState:UIControlStateSelected]; [button addTarget:self action:@selector(composeButtonClick:) forControlEvents:UIControlEventTouchUpInside]; self.composeButton = button; [self.tabBar addSubview:button]; [self.tabBar bringSubviewToFront:button]; CGFloat width = self.tabBar.bounds.size.width / self.childViewControllers.count - 2; // self.tabBar.tintColor = [UIColor colorWithRed:68/255.0 green:173/255.0 blue:159/255.0 alpha:1]; button.frame = CGRectInset(self.tabBar.bounds, 2 * width, 0); }
#pragma mark - 点击写文章按钮 - (void)composeButtonClick:(UIButton *)button { NSLog(@"\n点击了按钮"); }
#pragma mark - 统一设置所有 UITabBarItem 的文字属性 + (void)initialize { NSMutableDictionary *attrs = [NSMutableDictionary dictionary]; attrs[NSFontAttributeName] = [UIFont systemFontOfSize:12]; attrs[NSForegroundColorAttributeName] = [UIColor grayColor]; NSMutableDictionary *selectedAttrs = [NSMutableDictionary dictionary]; selectedAttrs[NSFontAttributeName] = attrs[NSFontAttributeName]; selectedAttrs[NSForegroundColorAttributeName] = RGB(254, 195, 10, 1); UITabBarItem *items = [UITabBarItem appearance]; [items setTitleTextAttributes:attrs forState:UIControlStateNormal]; [items setTitleTextAttributes:selectedAttrs forState:UIControlStateSelected]; } /* #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
