iOS(学习) UITabBarController

标签控制器

没拉控件，纯代码写

#import "ViewController.h"#import "AViewController.h"#import "BViewController.h"#import "CViewController.h"#import "DViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    //    self.view.backgroundColor = [UIColor whiteColor];    AViewController *aController = [[AViewController alloc] init];    BViewController *bController = [[BViewController alloc] init];    CViewController *cController = [[CViewController alloc] init];    DViewController *dController = [[DViewController alloc] init];    UITabBarController *tabBarController = [[UITabBarController alloc] init];    NSMutableArray *mArray = [NSMutableArray array];    NSArray *array = @[aController, bController, cController, dController];    NSArray *textArray = @[@"首页", @"消息", @"发现", @"我的"];    NSArray *imageArray = @[[UIImage imageNamed:@"1"], [UIImage imageNamed:@"2"], [UIImage imageNamed:@"3"], [UIImage imageNamed:@"4"]];    //标签控制器 嵌套 导航控制器    for (int i = 0; i < array.count; i++) {        UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:array[i]];        UITabBarItem *tabBarItem = [[UITabBarItem alloc] initWithTitle:textArray[i] image:imageArray[i] selectedImage:imageArray[i]];        navigationController.tabBarItem = tabBarItem;        [mArray addObject:navigationController];    }    tabBarController.viewControllers = mArray;    // 选中颜色    [tabBarController.tabBar setTintColor:[UIColor colorWithRed:0.007 green:1.000 blue:0.277 alpha:1.000]];    // 背景颜色    [tabBarController.tabBar setBarTintColor:[UIColor blackColor]];    UIWindow *window = [[UIApplication sharedApplication].windows objectAtIndex:0];    window.rootViewController = tabBarController;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

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