kudians/ZBProject/Main/ZBTabControl...

//
//  ZBTabController.m
//  ZBProject
//
//  Created by 学丽 on 2019/3/26.
//  Copyright © 2019 ZB. All rights reserved.
//

#import "ZBTabController.h"
#import "ZBNavigationController.h"
@interface ZBTabController ()
@property (nonatomic,assign) NSInteger  indexFlag;
@end

@implementation ZBTabController

- (void)viewDidLoad {
    [super viewDidLoad];
    
   [self setUpOneChildVcWithVc:[[OrderViewController alloc] init] Image:@"tab_order_n" selectedImage:@"tab_order_s" title:@"首页"];
    [self setUpOneChildVcWithVc:[[ProductViewController alloc] init] Image:@"tab_data_n" selectedImage:@"tab_data_s" title:@"选品"];
    [self setUpOneChildVcWithVc:[[DataViewController alloc] init] Image:@"tab_sy_n" selectedImage:@"tab_sy_s" title:@"收益"];
//    [self setUpOneChildVcWithVc:[[MineViewController alloc] init] Image:@"tab_home_n" selectedImage:@"tab_home_s" title:@"我的"];
}

- (void)setUpOneChildVcWithVc:(UIViewController *)Vc Image:(NSString *)image selectedImage:(NSString *)selectedImage title:(NSString *)title
{
    [Vc.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor baseColor]} forState:UIControlStateSelected];
    ZBNavigationController *nav = [[ZBNavigationController alloc] initWithRootViewController:Vc];
    
    UIImage *myImage = [UIImage imageNamed:image];
    myImage = [myImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    Vc.title=title;
    Vc.tabBarItem.image = myImage;
    
    UIImage *mySelectedImage = [UIImage imageNamed:selectedImage];
    mySelectedImage = [mySelectedImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    
    Vc.tabBarItem.selectedImage = mySelectedImage;
    
    Vc.tabBarItem.title = title;
    
    Vc.navigationItem.title = title;
    
    [self addChildViewController:nav];
    
}
- (void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item{
    NSInteger index = [self.tabBar.items indexOfObject:item];
    if (index != self.indexFlag) {
        //执行动画
        NSMutableArray *arry = [NSMutableArray array];
        for (UIView *btn in self.tabBar.subviews) {
            if ([btn isKindOfClass:NSClassFromString(@"UITabBarButton")]) {
                [arry addObject:btn];
            }
        }
        //添加动画
        //---将下面的代码块直接拷贝到此即可---
        self.indexFlag = index;
        [self clickAnimationWithIndex:index arr:arry];
        
    }
}

- (void)clickAnimationWithIndex:(NSInteger)index arr:(NSArray *)arry{
    //放大效果，并回到原位
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
    //速度控制函数，控制动画运行的节奏
    animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
    animation.duration = 0.2;       //执行时间
    animation.repeatCount = 1;      //执行次数
    animation.autoreverses = YES;    //完成动画后会回到执行动画之前的状态
    animation.fromValue = [NSNumber numberWithFloat:0.7];   //初始伸缩倍数
    animation.toValue = [NSNumber numberWithFloat:1.1];     //结束伸缩倍数
    [[arry[index] layer] addAnimation:animation forKey:nil];
}




@end