TabBar自定义方式(一)

1.思路:创建一个继承UIView的TabBar类，并将需要的item添加到TabBar上面去，并用代理来处理相应的时间

 [self.view bringSubviewToFront:self.oneView];//将这个视图提到前面去

/**

 当视图将要添加到对应的父视图的时候调用

 */

-(void)willMoveToSuperview:(UIView *)newSuperview

{

    self.frame=newSuperview.bounds;

}

下面是代码片段结构

重要片段

TabBarGlobleDefine.h

//
//  TabBarGlobleDefine.h
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/3/3.
//  Copyright © 2016年 zhousheng. All rights reserved.
//

#ifndef TabBarGlobleDefine_h
#define TabBarGlobleDefine_h


#define kScreenWith  [UIScreen mainScreen].bounds.size.width 


#endif /* TabBarGlobleDefine_h */

 ViewController.h

//
//  ViewController.h
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/2/29.
//  Copyright © 2016年 zhousheng. All rights reserved.
//
//
#import <UIKit/UIKit.h>

@interface ViewController : UIViewController


@end

 viewController.m

//
//  ViewController.m
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/2/29.
//  Copyright © 2016年 zhousheng. All rights reserved.
//
//
#import "ViewController.h"
#import "ZSTabBar.h"
#import "ZSOneView.h"
#import "ZSTwoView.h"
#import "ZSThree.h"

@interface ViewController ()<ZSTabBarDelegate>

@property(nonatomic,strong)ZSOneView*oneView;
@property(nonatomic,strong)ZSTwoView*twoView;
@property(nonatomic,strong)ZSThree*threeView;

@property(nonatomic,strong)ZSTabBar*tabBar;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //创建tabBar
    ZSTabBar*tabBar=[ZSTabBar tabBar];
    tabBar.backgroundColor=[UIColor grayColor];
    tabBar.delegate=self;
    //创建UIButton
    UIButton*btn1=[[UIButton alloc]init];
    btn1.backgroundColor=[UIColor redColor];
    
    [self tabBarItemWithButton:btn1 AndTitle:@"我是tabBar1" AndNorModel:nil AnddisModel:nil];
    
    
    UIButton*btn2=[[UIButton alloc]init];
    btn2.backgroundColor=[UIColor greenColor];
    [self tabBarItemWithButton:btn2 AndTitle:@"我是tabBar2" AndNorModel:nil AnddisModel:nil];
    
    UIButton*btn3=[[UIButton alloc]init];
    btn3.backgroundColor=[UIColor orangeColor];
    [self tabBarItemWithButton:btn3 AndTitle:@"我是tabBar3" AndNorModel:nil AnddisModel:nil];
    tabBar.items=@[btn1,btn2,btn3];
    
    [self.view addSubview:tabBar];
    self.tabBar=tabBar;
    
    
}

#pragma mark---进行懒加载添加视图
-(ZSOneView*)oneView
{
    
    if (_oneView==nil) {
        _oneView=[[ZSOneView alloc]init];
        [self.view addSubview:_oneView];
    }
    return _oneView;
}


-(ZSTwoView*)twoView
{
    if (!_twoView) {
        _twoView=[[ZSTwoView alloc]init];
        [self.view addSubview:_twoView];
    }
    
    return _twoView;
}

-(ZSThree*)threeView
{
    if (!_threeView) {
        _threeView=[[ZSThree alloc]init];
        [self.view addSubview:_threeView];
    }
    return _threeView;
}


#pragma mark---ZSTabBarDelegate遵守协议
-(void)buttonWithStatue:(UIButton *)button
{
    
       
    
    if (button.tag==1000) {
        
        [self.view bringSubviewToFront:self.oneView];
        NSLog(@"%ld",button.tag);
        button.enabled=NO;
        
        
    }
    else if(button.tag==1001){
        [self.view bringSubviewToFront:self.twoView];
         button.enabled=NO;
        
        
    }
    else{
        [self.view bringSubviewToFront:self.threeView];
         button.enabled=NO;
        
    }
   
    [self.view bringSubviewToFront:self.tabBar];

}


#pragma mark---设置TabBar上Items的样式

-(void)tabBarItemWithButton:(UIButton*)button AndTitle:(NSString*)title AndNorModel:(NSString*)normelColol AnddisModel:(NSString*)disModel
{
    
    [button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    [button setTitleColor:[UIColor blackColor] forState:UIControlStateDisabled];
    [button setTitle:title forState:UIControlStateNormal];
    [button setTitle:title forState:UIControlStateDisabled];
   

}






- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

 ZSTabBar.h

//
//  ZSTabBar.h
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/2/29.
//  Copyright © 2016年 zhousheng. All rights reserved.
//

#import <UIKit/UIKit.h>


/**
 *创建协议
 */
@protocol ZSTabBarDelegate <NSObject>
@optional
-(void)buttonWithStatue:(UIButton*)button;

@end

@interface ZSTabBar : UIView

+(instancetype)tabBar;

@property(nonatomic,strong)NSMutableArray*items;

@property(nonatomic,strong)NSMutableArray*tabarItems;

@property(nonatomic,weak)id<ZSTabBarDelegate>delegate;

@end

ZSTabBar.m

//
//  ZSTabBar.m
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/2/29.
//  Copyright © 2016年 zhousheng. All rights reserved.
//

#import "ZSTabBar.h"
#import "UIView+ZSFrame.h"
#import "TabBarGlobleDefine.h"

@implementation ZSTabBar



+(instancetype)tabBar
{
    return [[self alloc]init];
}

-(void)willMoveToSuperview:(UIView *)newSuperview
{
    CGFloat tabBarH=49.0;
    CGFloat tabBarW=newSuperview.bounds.size.width;
    CGFloat tabBarX=0;
    CGFloat tabBarY=newSuperview.bounds.size.height-tabBarH;
    
    self.frame=CGRectMake(tabBarX, tabBarY, tabBarW, tabBarH);

}


-(NSMutableArray*)tabarItems
{
    if (!_tabarItems) {
        _tabarItems=[NSMutableArray array];
    }
    
    return _tabarItems;
}
//创建一个set方法
-(void)setItems:(NSMutableArray *)items
{
    for (int i=0; i<items.count; i++) {
        UIButton*button=items[i];
        button.tag=1000+i;
        CGFloat btnW=kScreenWith/items.count;
        CGFloat btnH=49;
        CGFloat btnX=i*btnW;
        CGFloat btnY=0;
        button.frame=CGRectMake(btnX, btnY, btnW, btnH);
        
        [button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];
        [self addSubview:button];
        [self.tabarItems addObject:items[i]];
    }
    //默认情况下选中第一个button;
    [self buttonClick:items[0]];
}



-(void)buttonClick:(UIButton*)button
{
    for (int i=0; i<self.tabarItems.count; i++) {
        UIButton*button=(UIButton*)self.tabarItems[i];
        button.enabled=YES;
    }

    
    [_delegate buttonWithStatue:button];

}


@end

ZSOneView.h

//
//  ZSOneView.h
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/3/2.
//  Copyright © 2016年 zhousheng. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ZSOneView : UIView

@end

 ZSOneView.m

//
//  ZSOneView.m
//  自定义TabBar
//
//  Created by HYYT_IOS_ONE on 16/3/2.
//  Copyright © 2016年 zhousheng. All rights reserved.
//

#import "ZSOneView.h"

@implementation ZSOneView

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        
        self.backgroundColor=[UIColor grayColor];
    }
    return self;
}



//将移动到父视图的时候调用
-(void)willMoveToSuperview:(UIView *)newSuperview
{
    self.frame=newSuperview.bounds;
}

@end

ZSTwoView 和ZSThree同ZSone

演示效果