設定UITabBar自己為代理實作頁面的動畫轉場（MS）

#import "ViewController.h"

@interface ViewController ()

{

    UIView * _view0;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // 設定螢幕背景色

    self.view.backgroundColor = [UIColor whiteColor];

    // 加載view

    [self _loadViews];

    // 加載tabbar

    [self _loadTabBar];

}

- (void)_loadTabBar{

    // 初始化UITabBar

    UITabBar * tabBar = [[UITabBar alloc]initWithFrame:CGRectMake(0, self.view.frame.size.height - 49, self.view.frame.size.width, 49)];

    tabBar.delegate = self;// 設定自己為代理

    // 初始化barItem

    UIImage * imgForItem1 = [UIImage imageNamed:@"icon_cinema"];

    UIImage * imgForItem2 = [[UIImage imageNamed:@"[email protected]"]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    UITabBarItem * item1 = [[UITabBarItem alloc]initWithTitle:@"Cinema" image:imgForItem1 selectedImage:imgForItem2];

    item1.tag = 100;

    UITabBarItem * item2 = [[UITabBarItem alloc]initWithTitle:@"2" image:[UIImage imageNamed:@"more_select_setting"] tag:101];

    UITabBarItem * item3 = [[UITabBarItem alloc]initWithTitle:@"3" image:[UIImage imageNamed:@"movie_cinema"] tag:102];

    UITabBarItem * item4 = [[UITabBarItem alloc]initWithTitle:@"Movie" image:[UIImage imageNamed:@"msg_new"] tag:103];

    UIImage * img1ForItem5 = [UIImage imageNamed:@"start_top250"];// 未設定保持原色

    UIImage * img2ForItem5 = [[UIImage imageNamed:@"start_top250"]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];//保持原色，在圖檔初始化時實作

    UITabBarItem * item5 = [[UITabBarItem alloc]initWithTitle:@"9" image:img1ForItem5 selectedImage:img2ForItem5];

    //    NSBackgroundColorAttributeName

    // 用字典設定item5的字型顔色

    NSDictionary * dict = @{NSFontAttributeName:[UIFont systemFontOfSize:18],NSForegroundColorAttributeName:[UIColor yellowColor]};

    // 設定高亮狀态的字型及顔色

    [item5 setTitleTextAttributes:dict forState:UIControlStateHighlighted];

    NSArray * array = @[item1,item2,item3,item4,item5];

    tabBar.items = array;

    tabBar.selectedItem = array[0];// 預設選中

    [self.view addSubview:tabBar];

}

- (void)_loadViews{

    UIView * view1 = [[UIView alloc ]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height-49)];

    view1.backgroundColor = [UIColor redColor];

    view1.tag =200;

    UIView * view2 = [[UIView alloc ]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height -49)];

    view2.backgroundColor = [UIColor yellowColor];

    view2.tag =201;

    UIView * view3 = [[UIView alloc ]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height-49)];

    view3.backgroundColor = [UIColor blueColor];

    view3.tag =202;

    UIView * view4 = [[UIView alloc ]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height-49)];

    view4.backgroundColor = [UIColor greenColor];

    view4.tag =203;

    UIView * view5 = [[UIView alloc ]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height-49)];

    view5.backgroundColor = [UIColor grayColor];

    view5.tag =204;

    _view0 = [[UIView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height - 49)];

    [self.view addSubview:_view0];

    [_view0 addSubview:view5];

    [_view0 addSubview:view3];

    [_view0 addSubview:view4];

    [_view0 addSubview:view2];

    [_view0 addSubview:view1];

}

#pragma mark - UITabBarDelegate

- (void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item{

    NSInteger tag = item.tag;

    UIView * view = [self.view viewWithTag:tag+100];

    [UIView beginAnimations:nil context:nil];

    [UIView setAnimationDuration:1];

    [UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:_view0 cache:YES];

    [_view0 bringSubviewToFront:view];

    [UIView commitAnimations];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

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