自定义tabBar

2019-11-07 23:25:35

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// // XNTabBarController.m // // // Created by neng on 14-6-19. // Copyright (c) 2014年 neng. All rights reserved. // #import "XNTabBarController.h" #import "Common.h" #import "XNTabBarButton.h" @interface XNTabBarController () @PRoperty (nonatomic, weak) UIButton *selectedBtn; @end @implementation XNTabBarController - (void)viewDidLoad { [super viewDidLoad]; //下面两个方法在开发中是经常会用到的 // NSLog(@"%s",__func__); // NSLog(@"%@",self.view.subviews); //能打印出所有子视图,和其frame LogFun; LogSubviews(self.view); //删除现有的tabBar CGRect rect = self.tabBar.frame; [self.tabBar removeFromSuperview]; //移除TabBarController自带的下部的条 //测试添加自己的视图 UIView *myView = [[UIView alloc] init]; myView.frame = rect; myView.backgroundColor = [UIColor redColor]; [self.view addSubview:myView]; for (int i = 0; i < 5; i++) { //UIButton *btn = [[UIButton alloc] init]; XNTabBarButton *btn = [[XNTabBarButton alloc] init]; NSString *imageName = [NSString stringWithFormat:@"TabBar%d", i + 1]; NSString *imageNameSel = [NSString stringWithFormat:@"TabBar%dSel", i + 1]; [btn setImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal]; [btn setImage:[UIImage imageNamed:imageNameSel] forState:UIControlStateSelected]; CGFloat x = i * myView.frame.size.width / 5; btn.frame = CGRectMake(x, 0, myView.frame.size.width / 5, myView.frame.size.height); [myView addSubview:btn]; btn.tag = i;//设置按钮的标记, 方便来索引当前的按钮,并跳转到相应的视图 //带参数的监听方法记得加"冒号" [btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside]; //设置刚进入时,第一个按钮为选中状态 if (0 == i) { btn.selected = YES; self.selectedBtn = btn; //设置该按钮为选中的按钮 } } } - (void)clickBtn:(UIButton *)button { //1.先将之前选中的按钮设置为未选中 self.selectedBtn.selected = NO; //2.再将当前按钮设置为选中 button.selected = YES; //3.最后把当前按钮赋值为之前选中的按钮 self.selectedBtn = button; //4.跳转到相应的视图控制器. (通过selectIndex参数来设置选中了那个控制器) self.selectedIndex = button.tag; } @end

XNTabBarButton.h

[objc] view plaincopy

#import @interface XNTabBarButton : UIButton @end

XNTabBarButton.m

[objc] view%20plaincopy

#import "XNTabBarButton.h" @implementation XNTabBarButton - (void)setHighlighted:(BOOL)highlighted{ // [super setHighlighted:highlighted]; } @end

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