完全自定义 TabBar

// // CustomTabBarController.h // Dream // // Created by mac on 14-10-17. // Copyright (c) 2014年 HM. All rights reserved. // //标记一下方向 typedef enum { ZYSlideDirectionRight = 0, ZYSlideDirectionLeft } ZYSlideDirection; #import <UIKit/UIKit.h> @interface CustomTabBarController : UIViewController<UINavigationControllerDelegate> { UIView *_myTabBarView; } @property (retain, nonatomic) NSArray *viewControllers; @property (retain, nonatomic) NSArray *previousNavViewController; @property (retain, nonatomic) NSArray *buttonArray; @property (retain, nonatomic) NSArray *normalImageArray; @property (retain, nonatomic) NSArray *highLightImageArray; @property (retain, nonatomic) NSArray *nameArray; @property (assign, nonatomic) int selectedIndex; - (instancetype)initWithNormalImage:(NSArray *)normalImageArray highLightImage:(NSArray *)highLightImageArray BtnName:(NSArray *)nameArray; - (void)tabBarButtonClick:(id)sender; - (void)showTabBar:(ZYSlideDirection)direction animated:(BOOL)isAnimated; - (void)hideTabBar:(ZYSlideDirection)direction animated:(BOOL)isAnimated; @end // // CustomTabBarController.m // Dream // // Created by mac on 14-10-17. // Copyright (c) 2014年 HM. All rights reserved. // //动画持续时间，该时间与压栈和出栈时间相当 #define SLIDE_ANIMATION_DURATION 0.33 #import "CustomTabBarController.h" #import "Header.h" @interface CustomTabBarController () @property (retain, nonatomic) NSArray *labArray; @property (retain, nonatomic) NSArray *imageArray; @end @implementation CustomTabBarController - (void)dealloc { [_myTabBarView release]; self.viewControllers = nil; self.normalImageArray = nil; self.highLightImageArray = nil; self.nameArray = nil; self.previousNavViewController = nil; self.buttonArray = nil; self.labArray = nil; self.imageArray = nil; [super dealloc]; } - (instancetype)initWithNormalImage:(NSArray *)normalImageArray highLightImage:(NSArray *)highLightImageArray BtnName:(NSArray *)nameArray { if (self = [super init]) { _selectedIndex = -1; self.normalImageArray = normalImageArray; self.highLightImageArray = highLightImageArray; self.nameArray = nameArray; } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. self.view.backgroundColor = [UIColor whiteColor]; _myTabBarView = [[UIView alloc]initWithFrame:CGRectMake(0, 980, 768, 44)]; [self.view addSubview:_myTabBarView]; UIImageView *image = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"adv_bottom.png"]]; image.frame = CGRectMake(0, 0, 768, 2); [_myTabBarView addSubview:image]; [image release]; NSMutableArray *arrayB = [NSMutableArray array]; NSMutableArray *arrayI = [NSMutableArray array]; NSMutableArray *arrayL = [NSMutableArray array]; for (int i = 0; i < _nameArray.count; i ++) { UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom]; btn.frame = CGRectMake(204+100*i, 2, 60, 40); btn.tag = i; // [btn setImage:[UIImage imageNamed:_normalImageArray[i]] forState:UIControlStateNormal]; // [btn setImage:[UIImage imageNamed:_highLightImageArray[i]] forState:UIControlStateSelected]; [btn addTarget:self action:@selector(tabBarButtonClick:) forControlEvents:UIControlEventTouchUpInside]; [_myTabBarView addSubview:btn]; [arrayB addObject:btn]; UIImageView *imageView= [[UIImageView alloc]initWithFrame:CGRectMake(15, 3, 30, 20)]; imageView.image = [UIImage imageNamed:_normalImageArray[i]]; imageView.highlightedImage = [UIImage imageNamed:_highLightImageArray[i]]; [btn addSubview:imageView]; [arrayI addObject:imageView]; [imageView release]; UILabel *lab = [[[UILabel alloc]init] autorelease]; lab.text = _nameArray[i]; lab.textAlignment = NSTextAlignmentCenter; lab.font = [UIFont systemFontOfSize:12]; lab.frame = CGRectMake(0, 25, 60, 10); [btn addSubview:lab]; [arrayL addObject:lab]; [lab release]; } self.buttonArray = arrayB; self.imageArray = arrayI; self.labArray = arrayL; if (_selectedIndex == -1) { self.selectedIndex = 0; } else { self.selectedIndex = _selectedIndex; } } - (void)setSelectedIndex:(int)selectedIndex { //如果索引值没有改变不做其他操作 if (_selectedIndex == selectedIndex) return; if (_selectedIndex >= 0) { //找出对应索引的视图控制器 UIViewController *priviousViewController = [_viewControllers objectAtIndex:_selectedIndex]; //移除掉 [priviousViewController.view removeFromSuperview]; UIButton *btn = _buttonArray[_selectedIndex]; btn.selected = NO; UILabel *lab = _labArray[_selectedIndex]; lab.textColor = [UIColor blackColor]; UIImageView *image = _imageArray[_selectedIndex]; image.image = [UIImage imageNamed:_normalImageArray[_selectedIndex]]; } //记录一下当前的索引 _selectedIndex = selectedIndex; //获得对应的按钮并且设置为高亮状态下的图片 UIButton *currentButton = _buttonArray[_selectedIndex]; currentButton.selected = YES; UILabel *lab = _labArray[_selectedIndex]; lab.textColor = PINK(0.6); UIImageView *image = _imageArray[_selectedIndex]; image.image = [UIImage imageNamed:_highLightImageArray[_selectedIndex]]; //获得对应的视图控制器 UIViewController *currentViewController = [_viewControllers objectAtIndex:_selectedIndex]; //如果此条件成立表示当前是第一个，即“导航控制器” if ([currentViewController isKindOfClass:[UINavigationController class]]) { //设置导航控制器的代理 ((UINavigationController *)currentViewController).delegate = self; } //设置当前视图的大小 currentViewController.view.frame = CGRectMake(0, 0, 768, self.view.bounds.size.height - 43); //添加到Tab上 [self.view addSubview:currentViewController.view]; //把视图放到TabBar下面 [self.view sendSubviewToBack:currentViewController.view]; } - (void)tabBarButtonClick:(id)sender { //获得索引 UIButton *btn = (UIButton *)sender; int index = (int)btn.tag; //用self.赋值默认会调set方法 self.selectedIndex = index; } #pragma mark - #pragma mark UINavigationControllerDelegate - (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated { // NSLog(@"vc is %@",viewController); /* 第一次加载根视图:previousNavViewController当前导航控制器里面的视图控制器数组 之后显示视图:previousNavViewController操作前的视图控制器数组 */ if (!_previousNavViewController) { //导航控制器中的视图数组 self.previousNavViewController = navigationController.viewControllers; } /* 是否为压栈的标记，初始化为NO 如果原来的控制器数不大于当前导航的视图控制器数表示是压栈 */ BOOL isPush = NO; if ([_previousNavViewController count] <= [navigationController.viewControllers count]) { isPush = YES; } /* 上一个视图控制器当压栈的时候底部条是否隐藏 当前视图控制器当压栈的时候底部条是否隐藏 这两个视图控制器有可能是同一个 */ BOOL isPreviousHidden = [[_previousNavViewController lastObject] hidesBottomBarWhenPushed]; BOOL isCurrentHidden = viewController.hidesBottomBarWhenPushed; // [[navigationController.viewControllers lastObject] hidesBottomBarWhenPushed] //重新记录当前导航器中的视图控制器数组 self.previousNavViewController = navigationController.viewControllers; /* 如果状态相同不做其他操作 如果上一个显示NO，这个隐藏YES，则隐藏TabBar 如果上一个隐藏YES，这个显示NO，则显示TabBar */ if (!isPreviousHidden && !isCurrentHidden) { return; } else if(isPreviousHidden && isCurrentHidden) { return; } else if(!isPreviousHidden && isCurrentHidden) { //隐藏tabbar 压栈 [self hideTabBar:isPush ? ZYSlideDirectionLeft : ZYSlideDirectionRight animated:animated]; } else if(isPreviousHidden && !isCurrentHidden) { //显示tabbar 出栈 [self showTabBar:isPush ? ZYSlideDirectionLeft : ZYSlideDirectionRight animated:animated]; } } /* 显示底部TabBar相关 需要重置当前视图控制器View的高度为整个屏幕的高度-TabBar的高度 */ - (void)showTabBar:(ZYSlideDirection)direction animated:(BOOL)isAnimated { //根据压栈还是出栈设置TabBar初始位置 CGRect tempRect = _myTabBarView.frame; tempRect.origin.x = self.view.bounds.size.width * ( (direction == ZYSlideDirectionRight) ? -1 : 1); _myTabBarView.frame = tempRect; //执行动画 [UIView animateWithDuration:isAnimated ? SLIDE_ANIMATION_DURATION : 0 delay:0 options:0 animations:^ { //动画效果 CGRect tempRect = _myTabBarView.frame; tempRect.origin.x = 0; _myTabBarView.frame = tempRect; } completion:^(BOOL finished) { //动画结束时 //重置当前视图控制器View的高度为整个屏幕的高度-TabBar的高度 UIViewController *currentViewController = [_viewControllers objectAtIndex:_selectedIndex]; CGRect viewRect = currentViewController.view.frame; viewRect.size.height = self.view.bounds.size.height - 43; currentViewController.view.frame = viewRect; }]; } /* 隐藏底部TabBar相关 需要重置当前视图控制器View的高度为整个屏幕的高度 */ - (void)hideTabBar:(ZYSlideDirection)direction animated:(BOOL)isAnimated { //获得当前视图控制器 UIViewController *currentViewController = [_viewControllers objectAtIndex:_selectedIndex]; //重置高度 CGRect viewRect = currentViewController.view.frame; viewRect.size.height = self.view.bounds.size.height; currentViewController.view.frame = viewRect; //设置TabBar的位置 CGRect tempRect = _myTabBarView.frame; tempRect.origin.x = 0; _myTabBarView.frame = tempRect; //采用Block的形式开启一个动画 [UIView animateWithDuration:isAnimated ? SLIDE_ANIMATION_DURATION : 0 delay:0 options:0 animations:^(void) { //根据压栈还是出栈设置动画效果 CGRect tempRect = _myTabBarView.frame; tempRect.origin.x = self.view.bounds.size.width * (direction == ZYSlideDirectionLeft ? -1 : 1); _myTabBarView.frame = tempRect; } completion:^(BOOL finished){} ]; } @end

 

转载于:https://www.cnblogs.com/ningmengcao-ios/p/5769765.html

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