CustomTabBarController

.h

#import <UIKit/UIKit.h>@interface ECGCustomTabBarController : UITabBarController//注意：数组是根据实际tabbar的视图控制器顺序创建的，顺序不能乱； 而接下来的normalImageNames和disabledImageNames与视图控制器数组三者之间都是一一对应，不能错序；   num是Tabbar需要展示几个视图控制器@property(nonatomic,assign)int countNum;@property(nonatomic, strong)NSArray *contentViewControllers;//需要展示的视图控制器数组@property(nonatomic, strong)NSArray *normalImageNames;//正常Tabbar的items图片数组@property(nonatomic, strong)NSArray *disabledImageNames;////禁用状态Tabbar的items图片数组@property(nonatomic, strong)NSArray *titles;//Tabbar的items标题数组@property(nonatomic, assign)int indexTabBarButton;//选中Tabbar的某个索引下的按钮@property(nonatomic, strong)UILabel *badgeLabel;//角标/** *  <#Description#> * *  @param b <#b description#> *///NO.1 --->配合属性使用- (void)showTabbar;//NO.2- (void)getWithViewControllers:(NSArray *)viewControllers number:(int)num normalImageNames:(NSArray *)normalImageNames disabledImageNames:(NSArray *)disabledImageNames titles:(NSArray *)titles;//隐藏- (void)hideBottomBar:(BOOL)b;@end

.m

#import "ECGCustomTabBarController.h"#import "ECGTabBarButton.h"#import "ECGConst.h"#import "ECGMacro.h"@interface ECGCustomTabBarController (){    UIImageView *_tabBarView; //自定义的覆盖原先的tarbar的控件        ECGTabBarButton *_previousBtn; //记录前一次选中的按钮    UIView*bottomView;    NSArray *controllers;    NSArray *normalImages;    NSArray *disabledImages;    NSArray *tabButtonTitles;    int number;    NSMutableArray *navArray;//存放创建好的导航控制器}@end@implementation ECGCustomTabBarController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.}- (void)getWithViewControllers:(NSArray *)viewControllers number:(int)num normalImageNames:(NSArray *)normalImageNames disabledImageNames:(NSArray *)disabledImageNames titles:(NSArray *)titles{    controllers = viewControllers;    normalImages = normalImageNames;    disabledImages = disabledImageNames;    tabButtonTitles = titles;    number = num;    [self loadTabBar];    [self loadVC];    }- (void)setCountNum:(int)countNum{    if (countNum >= 0) {        _countNum = countNum;        number = _countNum;    }}- (void)setContentViewControllers:(NSArray *)contentViewControllers{    if (contentViewControllers && [contentViewControllers count] > 0) {        _contentViewControllers = contentViewControllers;        controllers = _contentViewControllers;    }}- (void)setNormalImageNames:(NSArray *)normalImageNames{    if (normalImageNames && [normalImageNames count] > 0) {        _normalImageNames = normalImageNames;        normalImages = _normalImageNames;    }}- (void)setDisabledImageNames:(NSArray *)disabledImageNames{    if (disabledImageNames && [disabledImageNames count] > 0) {        _disabledImageNames = disabledImageNames;        disabledImages = _disabledImageNames;    }}- (void)setTitles:(NSArray *)titles{    if (titles && titles.count > 0) {        _titles = titles;        tabButtonTitles = _titles;    }}- (void)setIndexTabBarButton:(int)indexTabBarButton{    if (indexTabBarButton >= 0) {        _indexTabBarButton = indexTabBarButton;        if (_tabBarView) {            ECGTabBarButton *btn = _tabBarView.subviews[_indexTabBarButton];            [self changeViewController:btn]; //自定义的控件中的按钮被点击了调用的方法，自定义跳转        }    }}- (void)showTabbar{    [self loadTabBar];    [self loadVC];}- (void)loadTabBar{    if ([controllers count]<=0) {        return;    }    self.view.backgroundColor = [UIColor whiteColor];    self.tabBar.hidden = YES; //隐藏原先的tabBar    CGFloat tabBarViewY = self.view.frame.size.height - TabBarHeight;        _tabBarView = [[UIImageView alloc] initWithFrame:CGRectMake(0, tabBarViewY+1.5, SCREEN_WIDTH, TabBarHeight)];    _tabBarView.userInteractionEnabled = YES; //这一步一定要设置为YES，否则不能和用户交互    _tabBarView.backgroundColor = RGBACOLOR(233, 230, 225, 1.0);    bottomView=[[UIView alloc]initWithFrame:CGRectMake(0, tabBarViewY, SCREEN_WIDTH, 1.5)];    bottomView.backgroundColor=[UIColor lightGrayColor];    [self.view addSubview:bottomView];        [self.view addSubview:_tabBarView];        // 下面的方法是调用自定义的生成按钮的方法    navArray = [NSMutableArray arrayWithCapacity:0];    for (int i = 0; i<number; i++) {        [self creatButtonWithNormalName:normalImages[i] andSelectName:disabledImages[i] andTitle:tabButtonTitles[i] andIndex:i];    }            ECGTabBarButton *btn = _tabBarView.subviews[_indexTabBarButton];        [self changeViewController:btn]; //自定义的控件中的按钮被点击了调用的方法，默认进入界面就选中第一个按钮    //    [[UIApplication sharedApplication].keyWindow addSubview:self.view];//    [UIApplication sharedApplication].keyWindow.rootViewController = self;}#pragma mark 创建一个tab按钮- (void)creatButtonWithNormalName:(NSString *)normal andSelectName:(NSString *)selected andTitle:(NSString *)title andIndex:(int)index{    ECGTabBarButton *button = [ECGTabBarButton buttonWithType:UIButtonTypeCustom];    button.tag = index;        CGFloat buttonW = _tabBarView.frame.size.width / number;    CGFloat buttonH = _tabBarView.frame.size.height;    button.frame = CGRectMake(buttonW *(index), 0, buttonW, buttonH);    [button setTitle:title forState:UIControlStateNormal];    button.titleLabel.font = SystemFont(20);    button.titleLabel.textAlignment = NSTextAlignmentCenter;    [button setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];        [button setImage:[UIImage imageNamed:normal] forState:UIControlStateNormal];    [button setImage:[UIImage imageNamed:selected] forState:UIControlStateDisabled];//禁用状态       [button setTitle:title forState:UIControlStateNormal];        [button addTarget:self action:@selector(changeViewController:) forControlEvents:UIControlEventTouchDown];        button.imageView.contentMode = UIViewContentModeCenter; // 让图片在按钮内居中    [button setTitleColor:RGBACOLOR(98, 192, 163, 1) forState:UIControlStateDisabled];    button.titleLabel.textAlignment = NSTextAlignmentCenter; // 让标题在按钮内居中    button.titleLabel.font = SystemFont(12);        [_tabBarView addSubview:button];    if (button.tag == 2) {        //获取图片大小        UIImage *im = [UIImage imageNamed:normal];        CGFloat x = buttonW-(buttonW-im.size.width)/2-2;        _badgeLabel = [[UILabel alloc]initWithFrame:CGRectMake(x, 0, 10, 10)];        _badgeLabel.backgroundColor = [UIColor clearColor];        _badgeLabel.layer.cornerRadius = 5.0f;        _badgeLabel.layer.masksToBounds = YES;        [button addSubview:_badgeLabel];    }    }/** *  <#Description#> */- (void)loadVC{        //    ECGChatViewController *chatController = [[ECGChatViewController alloc] initWithNibName:@"ECGChatViewController" bundle:nil];    for (int j = 0; j<number; j++) {        UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:controllers[j]];        [navArray addObject:nav];    }        self.viewControllers = [NSArray arrayWithArray:navArray];        }#pragma mark 按钮被点击时调用/** *  <#Description#> * *  @param sender <#sender description#> */- (void)changeViewController:(ECGTabBarButton *)sender{    self.selectedIndex = sender.tag; //切换不同控制器的界面    sender.backgroundColor = RGBACOLOR(233, 230, 225, 1.0);    if (_previousBtn) {        _previousBtn.backgroundColor = RGBACOLOR(233, 230, 225, 1.0);    }    sender.enabled = NO;        if (_previousBtn != sender) {                _previousBtn.enabled = YES;            }    _previousBtn = sender;}//- (void)setSelectedIndex:(NSUInteger)selectedIndex{//    [super setSelectedIndex:selectedIndex];//}/** *  <#Description#> * *  @param b <#b description#> */-(void)hideBottomBar:(BOOL)b {    //_tabBarView.hidden = b;    if (b) {        [_tabBarView removeFromSuperview];        [bottomView removeFromSuperview];    }    else {        [self.view addSubview:_tabBarView];        [self.view addSubview:bottomView];    }}/*#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.}*/- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end