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=;
     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=; i<items.count; i++) {
         UIButton*button=items[i];
         button.tag=+i;
         CGFloat btnW=kScreenWith/items.count;
         CGFloat btnH=;
         CGFloat btnX=i*btnW;
         CGFloat btnY=;
         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[]];
 }

 -(void)buttonClick:(UIButton*)button
 {
     for (int i=; 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