storybored 线拖tabbarvc app去保存对象
最终效果图:
main.storyboard
BeyondViewController.m中有一句关键代码,设置tabbarItem图片的样式(30*30)
// // BeyondViewController.m // 17_控制器切换2_tabbarController // // Created by beyond on 14-7-31. // Copyright (c) 2014年 com.beyond. All rights reserved. // #import "BeyondViewController.h" #import "NanaViewController.h" #import "SettingViewController.h" @interface BeyondViewController () @end @implementation BeyondViewController - (void)viewDidLoad { [super viewDidLoad]; NSLog(@"view did loaded"); // UITabbarController里面的tabbarItem中的图片需要特殊API处理之后,才能正常显示 UIImage *img = [UIImage imageNamed:@"home"]; UIImage *img_selected = [UIImage imageNamed:@"home_s"]; // 设置图片 渲染 模式 img = [img imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 设置图片 渲染 模式 img_selected = [img_selected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 构造方法生成 UITabBarItem UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:@"" image:img selectedImage:img_selected]; // 设置当前控制器的 tabBarItem属性 self.tabBarItem = item; self.tabBarItem.title = @"首页"; self.tabBarItem.badgeValue = [NSString stringWithFormat:@"%d",1] ; // 默认情况下,app运行之后,只执行第一个控制器的view did load方法,因此,要得到UITabBarController容器中所有的控制器,调用其自定义的一个方法,设置它们自己的tabbaritem样式 // 先得到父容器UITabBarController,有了它,就有了所有的控制器实例的引用 UITabBarController *parentCtrl = self.parentViewController; // 得到容器UITabBarController中所有的子控制器 NSArray *children = [parentCtrl childViewControllers]; // 调用对应的子控制器的 自定义方法,设置它们自己的tabbaritem样式 NanaViewController *nanaVC = (NanaViewController *)[children objectAtIndex:1]; [nanaVC setTabBarItemDIY]; // 调用对应的子控制器的 自定义方法,设置它们自己的tabbaritem样式 SettingViewController *setVC = (SettingViewController *)[children objectAtIndex:2]; [setVC setTabBarItemDIY]; } @end
NanaViewController.h
// // NanaViewController.h // 17_控制器切换2_tabbarController // // Created by beyond on 14-7-31. // Copyright (c) 2014年 com.beyond. All rights reserved. // #import <UIKit/UIKit.h> @interface NanaViewController : UIViewController // 自定义方法,设置自己的tabbaritem样式 - (void) setTabBarItemDIY; @end
NanaViewController.m
// // NanaViewController.m // 17_控制器切换2_tabbarController // // Created by beyond on 14-7-31. // Copyright (c) 2014年 com.beyond. All rights reserved. // #import "NanaViewController.h" @interface NanaViewController () @end @implementation NanaViewController - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"view did loaded 2"); } // 自定义方法,设置自己的tabbaritem样式 - (void) setTabBarItemDIY { // UITabbarController里面的tabbarItem中的图片需要特殊API处理之后,才能正常显示 UIImage *img = [UIImage imageNamed:@"nana"]; UIImage *img_selected = [UIImage imageNamed:@"nana_s"]; // 设置图片 渲染 模式 img = [img imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 设置图片 渲染 模式 img_selected = [img_selected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 构造方法生成 UITabBarItem UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:@"" image:img selectedImage:img_selected]; // 设置当前控制器的 tabBarItem属性 self.tabBarItem = item; self.tabBarItem.title = @"娜娜"; self.tabBarItem.badgeValue = [NSString stringWithFormat:@"%d",2] ; } @end
SettingViewController.h
// // SettingViewController.h // 17_控制器切换2_tabbarController // // Created by beyond on 14-7-31. // Copyright (c) 2014年 com.beyond. All rights reserved. // #import <UIKit/UIKit.h> @interface SettingViewController : UIViewController // 自定义方法,设置自己的tabbaritem样式 - (void) setTabBarItemDIY; @end
SettingViewController.m
// // SettingViewController.m // 17_控制器切换2_tabbarController // // Created by beyond on 14-7-31. // Copyright (c) 2014年 com.beyond. All rights reserved. // #import "SettingViewController.h" @interface SettingViewController () @end @implementation SettingViewController - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"view did loaded 3"); } // 自定义方法,设置自己的tabbaritem样式 - (void) setTabBarItemDIY { // UITabbarController里面的tabbarItem中的图片需要特殊API处理之后,才能正常显示 UIImage *img = [UIImage imageNamed:@"setting"]; UIImage *img_selected = [UIImage imageNamed:@"setting_s"]; // 设置图片 渲染 模式 img = [img imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 设置图片 渲染 模式 img_selected = [img_selected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; // 构造方法生成 UITabBarItem UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:@"" image:img selectedImage:img_selected]; // 设置当前控制器的 tabBarItem属性 self.tabBarItem = item; self.tabBarItem.title = @"我的"; self.tabBarItem.badgeValue = [NSString stringWithFormat:@"%d",3] ; } @end