AppDelegate.m

//
//  AppDelegate.m
//  CYLTabBarController
//
//  v1.10.0 Created by 微博@iOS程序犭袁 ( http://weibo.com/luohanchenyilong/ ) on 10/20/15.
//  Copyright © 2015 https://github.com/ChenYilong . All rights reserved.
//

#import "AppDelegate.h"
#import "CYLTabBarControllerConfig.h"
#import "CYLPlusButtonSubclass.h"

@interface AppDelegate ()<UITabBarControllerDelegate, CYLTabBarControllerDelegate>

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // 设置主窗口,并设置根控制器
    self.window = [[UIWindow alloc]init];
    self.window.frame = [UIScreen mainScreen].bounds;
    [CYLPlusButtonSubclass registerPlusButton];
    CYLTabBarControllerConfig *tabBarControllerConfig = [[CYLTabBarControllerConfig alloc] init];
    [self.window setRootViewController:tabBarControllerConfig.tabBarController];
    tabBarControllerConfig.tabBarController.delegate = self;
    [self.window makeKeyAndVisible];
    [self customizeInterface];
    return YES;
}

- (void)customizeInterface {
    [self setUpNavigationBarAppearance];
}

/**
 *  设置navigationBar样式
 */
- (void)setUpNavigationBarAppearance {
    UINavigationBar *navigationBarAppearance = [UINavigationBar appearance];
    
    UIImage *backgroundImage = nil;
    NSDictionary *textAttributes = nil;
    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
        backgroundImage = [UIImage imageNamed:@"navigationbar_background_tall"];
        
        textAttributes = @{
                           NSFontAttributeName : [UIFont boldSystemFontOfSize:18],
                           NSForegroundColorAttributeName : [UIColor blackColor],
                           };
    } else {
#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0
        backgroundImage = [UIImage imageNamed:@"navigationbar_background"];
        textAttributes = @{
                           UITextAttributeFont : [UIFont boldSystemFontOfSize:18],
                           UITextAttributeTextColor : [UIColor blackColor],
                           UITextAttributeTextShadowColor : [UIColor clearColor],
                           UITextAttributeTextShadowOffset : [NSValue valueWithUIOffset:UIOffsetZero],
                           };
#endif
    }
    
    [navigationBarAppearance setBackgroundImage:backgroundImage
                                  forBarMetrics:UIBarMetricsDefault];
    [navigationBarAppearance setTitleTextAttributes:textAttributes];
}


#pragma mark - delegate

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController {
    [[self cyl_tabBarController] updateSelectionStatusIfNeededForTabBarController:tabBarController shouldSelectViewController:viewController];
    return YES;
}

- (void)tabBarController:(UITabBarController *)tabBarController didSelectControl:(UIControl *)control {
    UIView *animationView;
    // 即使 PlusButton 也添加了点击事件，点击 PlusButton 后也会触发该代理方法。
    if ([control cyl_isPlusButton]) {
        UIButton *button = CYLExternPlusButton;
        animationView = button.imageView;
    } else if ([control cyl_isTabButton]) {
        for (UIView *subView in control.subviews) {
            if ([subView cyl_isTabImageView]) {
                animationView = subView;
            }
        }
    }
    
    if ([self cyl_tabBarController].selectedIndex % 2 == 0) {
        [self addScaleAnimationOnView:animationView];
    } else {
        [self addRotateAnimationOnView:animationView];
    }
}

//缩放动画
- (void)addScaleAnimationOnView:(UIView *)animationView {
    //需要实现的帧动画，这里根据需求自定义
    CAKeyframeAnimation *animation = [CAKeyframeAnimation animation];
    animation.keyPath = @"transform.scale";
    animation.values = @[@1.0,@1.3,@0.9,@1.15,@0.95,@1.02,@1.0];
    animation.duration = 1;
    animation.calculationMode = kCAAnimationCubic;
    [animationView.layer addAnimation:animation forKey:nil];
}

//旋转动画
- (void)addRotateAnimationOnView:(UIView *)animationView {
    [UIView animateWithDuration:0.32 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
        animationView.layer.transform = CATransform3DMakeRotation(M_PI, 0, 1, 0);
    } completion:nil];
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [UIView animateWithDuration:0.70 delay:0 usingSpringWithDamping:1 initialSpringVelocity:0.2 options:UIViewAnimationOptionCurveEaseOut animations:^{
            animationView.layer.transform = CATransform3DMakeRotation(2 * M_PI, 0, 1, 0);
        } completion:nil];
    });
}

@end