自定义UITabbarController控制器
这是定制UITabbarController的基本原理,没有进行功能性封装.
效果:
源码地址:
https://github.com/YouXianMing/Custom-TabbarController-Verson-One/tree/master
https://github.com/YouXianMing/Custom-TabbarController-Verson-Two/tree/master
源码:
//
// ViewController.m
// TabbarController
//
// Created by XianMingYou on 15/4/15.
// Copyright (c) 2015年 XianMingYou. All rights reserved.
// #import "ViewController.h" #import "FirstViewController.h"
#import "SecondViewController.h" #import "UIButton+DemoUse.h" typedef enum : NSUInteger {
FIRST = 0x12,
SECOND,
BACK_VIEW,
} EButtonFlag; @interface ViewController () @property (nonatomic, strong) FirstViewController *first;
@property (nonatomic, strong) SecondViewController *second; @property (nonatomic, strong) UIViewController *current; @end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad]; self.view.backgroundColor = [UIColor whiteColor]; // 初始化第一个控制器
self.first = [FirstViewController new];
[self addChildViewController:self.first]; // 初始化第二个控制器
self.second = [SecondViewController new];
[self addChildViewController:self.second]; // 加载第一个控制器的视图
[self.first didMoveToParentViewController:self];
[self.view addSubview:self.first.view]; // 简易存储当前控制器
self.current = self.first; // 创建出按钮
[self createButtons];
} - (void)createButtons {
UIView *backView = [[UIView alloc] initWithFrame:CGRectMake(, , , )];
backView.tag = BACK_VIEW;
[self.view addSubview:backView]; // 控制器1按钮
[UIButton createButtonWithFrame:CGRectMake(, , , )
withTag:FIRST
withTitle:@"First"
withFont:nil
addTarget:self
action:@selector(buttonEvent:)
haveBorder:YES
insertInView:backView]; // 控制器2按钮
[UIButton createButtonWithFrame:CGRectMake( + , , , )
withTag:SECOND
withTitle:@"Second"
withFont:nil
addTarget:self
action:@selector(buttonEvent:)
haveBorder:YES
insertInView:backView];
} - (void)buttonEvent:(UIButton *)button { if (button.tag == FIRST) { // 此句话必加(否则点击两次的话会报错)
if ([self.current isEqual:self.first]) {
return;
} // 控制器转场
[self transitionFromViewController:self.current
toViewController:self.first
duration:
options:UIViewAnimationOptionTransitionNone
animations:^{
} completion:^(BOOL finished) {
self.current = self.first; // 将按钮设置到最前面
[self.view bringSubviewToFront:[self.view viewWithTag:BACK_VIEW]];
}]; } else if (button.tag == SECOND) { // 此句话必加(否则点击两次的话会报错)
if ([self.current isEqual:self.second]) {
return;
} // 控制器转场
[self transitionFromViewController:self.current
toViewController:self.second
duration:
options:UIViewAnimationOptionTransitionNone
animations:^{
} completion:^(BOOL finished) {
self.current = self.second; // 将按钮设置到最前面
[self.view bringSubviewToFront:[self.view viewWithTag:BACK_VIEW]];
}]; } } @end