新浪微博的简易框架主题选中特效

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在AppDelegate.m中设置根视图控制器

RootviewController.h

@interface RootTabbarController : UITabBarController

    UIImageView *_selectedImg;
RootviewController.m

#import "RootTabbarController.h"
#import "HomeViewController.h"
#import "MessageViewController.h"
#import "PersonalViewController.h"
#import "DiscoverViewController.h"
#import "MoreViewController.h"

@interface RootTabbarController ()

@end

@implementation RootTabbarController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) 
        // Custom initialization
    
    return self;


- (void)viewDidLoad

    [super viewDidLoad];
    
    //创建三级控制器
    [self _initViewCtrls];
    
    //自定义标签视图
    [self _initTabbarView];


//创建三级控制器
- (void)_initViewCtrls 

    //1.创建一级控制器
    HomeViewController *homeCtrl = [[HomeViewController alloc] init];
    MessageViewController *messageCtrl = [[MessageViewController alloc] init];
    PersonalViewController *personalCtrl = [[PersonalViewController alloc] init];
    DiscoverViewController *discoverCtrl = [[DiscoverViewController alloc] init];
    MoreViewController *moreCtrl = [[MoreViewController alloc] init];
    
    NSArray *viewCtrls = @[homeCtrl,messageCtrl,personalCtrl,discoverCtrl,moreCtrl];
    
    //用于存放导航控制器
    NSMutableArray *navCtrls = [[NSMutableArray alloc] initWithCapacity:viewCtrls.count];
    
    //2.将视图控制器交给导航控制器控制
    for (int i=0; i<viewCtrls.count; i++) 
        //取出视图控制器
        UIViewController *viewCtrl = viewCtrls[i];
        UINavigationController *navCtrl = [[UINavigationController alloc] initWithRootViewController:viewCtrl];
        [navCtrls addObject:navCtrl];
    
    
    //3.创建三级控制器
    self.viewControllers = navCtrls;
    


//自定义标签视图
- (void)_initTabbarView 

    //1.移除tabbar上面的按钮
    NSArray *subView = [self.tabBar subviews];
    
    for (UIView *view in subView) 
        Class cla = NSClassFromString(@"UITabBarButton");
        
        if ([view isKindOfClass:cla]) 
            [view removeFromSuperview];
        
    
    
    //2.设置背景视图
    [self.tabBar setBackgroundImage:[UIImage imageNamed:@"mask_navbar"]];
    
    
    //3.添加按钮
    for (int i=0; i<5; i++) 
        
        NSString *name = [NSString stringWithFormat:@"home_tab_icon_%d",i+1];
        
        //创建按钮
        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
        [button setImage:[UIImage imageNamed:name] forState:UIControlStateNormal];
        button.tag = i;
        [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
        button.frame = CGRectMake(64*i, (49-45)/2, 64, 45);
        [self.tabBar addSubview:button];
    
    
    //4.添加选择按钮
    _selectedImg = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 64, 45)];
    _selectedImg.image = [UIImage imageNamed:@"home_bottom_tab_arrow"];
    _selectedImg.backgroundColor = [UIColor clearColor];
    [self.tabBar addSubview:_selectedImg];
    


- (void)buttonAction:(UIButton *)button 

    //点击按钮切换试图
    self.selectedIndex = button.tag;
    //设置点击高亮的效果
    button.showsTouchWhenHighlighted = YES;
    
    //点击后选择的滑动效果
    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDuration:.35];
    _selectedImg.center = button.center;
    
    [UIView commitAnimations];


@end

HomeViewController.m

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) 
        self.title = @"首页";
    
    return self;


- (void)viewDidLoad

    [super viewDidLoad];

    //创建左侧的按钮
    UIButton *leftButton = [UIButton buttonWithType:UIButtonTypeCustom];
    leftButton.frame = CGRectMake(0, 0, 130, 43);
    //设置背景图片
    UIImage *image = [UIImage imageNamed:@"button_title"];
    //设置拉伸点
    image = [image stretchableImageWithLeftCapWidth:50 topCapHeight:0];
    [leftButton setBackgroundImage:image forState:UIControlStateNormal];
    
    //创建一个image
    UIImageView *buttonImageView = [[UIImageView alloc] initWithFrame:CGRectMake(5, 0, 44, 44)];
    buttonImageView.image = [UIImage imageNamed:@"button_icon_group"];
    buttonImageView.backgroundColor = [UIColor clearColor];
    [leftButton addSubview:buttonImageView];
    
    //创建一个label
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(50, 0, 80, 44)];
    label.backgroundColor = [UIColor clearColor];
    label.text = @"我的微博";
    label.font = [UIFont boldSystemFontOfSize:17];
    label.textColor = [UIColor whiteColor];
    [leftButton addSubview:label];
    
    UIBarButtonItem *leftItem = [[UIBarButtonItem alloc] initWithCustomView:leftButton];
    self.navigationItem.leftBarButtonItem = leftItem;
    
    //创建右侧的按钮
    UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeCustom];
    rightButton.frame = CGRectMake(0, 0, 43, 43);
    //创建背景图片
    UIImage *bkImage = [UIImage imageNamed:@"button_m"];
    [rightButton setBackgroundImage:bkImage forState:UIControlStateNormal];
    [rightButton setImage:[UIImage imageNamed:@"button_icon_plus"] forState:UIControlStateNormal];
    
    UIBarButtonItem *rightitem = [[UIBarButtonItem alloc] initWithCustomView:rightButton];
    self.navigationItem.rightBarButtonItem = rightitem;
    
    


MessageViewController.m

PersonalViewController.m

DiscoverViewController.m

MoreViewController.m

#import "MoreViewController.h"
#import "ThemeViewController.h"

@interface MoreViewController ()

@end

@implementation MoreViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) 
        self.title = @"更多";
    
    return self;


- (void)viewDidLoad

    [super viewDidLoad];

    //设置导航栏不穿透
    self.edgesForExtendedLayout = UIRectEdgeNone;
    
    //创建主题按钮
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(10, 30, 300, 50);
    button.backgroundColor = [UIColor blueColor];
    [button setTitle:@"我的主题" forState:UIControlStateNormal];
    [button addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
    


- (void)buttonAction 

    ThemeViewController *themeCtrl = [[ThemeViewController alloc] init];
    
    [self.navigationController pushViewController:themeCtrl animated:YES];
    

ThemeViewController.h

@interface ThemeViewController : UIViewController

    UIImageView *_checkimg;    

ThemeViewController.m

#import "ThemeViewController.h"

@interface ThemeViewController ()

@end

@implementation ThemeViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) 
        // Custom initialization
        <span style="color:#cc0000;">self.hidesBottomBarWhenPushed = YES;</span>
    
    return self;


- (void)viewDidLoad

    [super viewDidLoad];

    UIColor *color = [UIColor colorWithPatternImage:[UIImage imageNamed:@"backcolor"]];
    self.view.backgroundColor = color;
    
    //创建子视图上侧的视图
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 106)];
    imageView.image = [UIImage imageNamed:@"topbg"];
    [self.view addSubview:imageView];
    
    //创建子视图
    for (int i=0; i<8; i++)
    
        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
        NSString *name = [NSString stringWithFormat:@"%d",i+1];
        [button setImage:[UIImage imageNamed:name] forState:UIControlStateNormal];
        
        int row = i/2;
        
        if (i%2 == 0)
          //偶数
            button.frame = CGRectMake(5, 130+(62+5)*row, 150, 62);
        
        else
          //奇数
        
            button.frame = CGRectMake(165, 130+(62+5)*row, 150, 62);
        
        button.tag = i+100;
        //添加点击事件
        [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:button];
        
    
    
    //通过tag去button
     UIButton *button = (UIButton *)[self.view viewWithTag:100];
    //创建选中标识图片
    _checkimg = [[UIImageView alloc] initWithFrame:CGRectMake(130+button.frame.origin.x, 40+button.frame.origin.y, 18, 18)];
    _checkimg.image = [UIImage imageNamed:@"checkmark"];
    [self.view addSubview:_checkimg];
    


- (void)viewWillAppear:(BOOL)animated


    self.edgesForExtendedLayout = UIRectEdgeNone;
    [self.navigationController.navigationBar setBarStyle:UIBarStyleBlack];
    
    [super viewWillAppear:animated];
    


- (void)viewWillDisappear:(BOOL)animated


    [self.navigationController.navigationBar setBarStyle:UIBarStyleDefault];
    
    [super viewWillDisappear:animated];
    


- (void)buttonAction:(UIButton *)button


   <span style="color:#cc0000;"> _checkimg.frame = CGRectMake(130+button.frame.origin.x, 40+button.frame.origin.y, 18, 18);</span>
    



@end






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