UI-自定义TabBar
MyCustomTabBar.h文件
#import <UIKit/UIKit.h>
@interface MyCustomTabBar : UITabBarController
@end
MyCustomTabBar.m文件
#import "MyCustomTabBar.h"
#define kDeviceHeigh [UIScreen mainScreen].bounds.size.height
@interface MyCustomTabBar ()<UITabBarDelegate>
@end
@implementation MyCustomTabBar
-(void)viewDidLoad{
[super viewDidLoad ];
//自定义TabBar
UITabBar *tabBar = [[UITabBar alloc]initWithFrame:self.tabBar.frame];
tabBar.userInteractionEnabled = YES;
[self.view addSubview:tabBar];
tabBar.backgroundImage = [UIImage imageNamed:@"tabbg"];
// 添加5个
for (int i = 1 ; i <= 5 ; i ++ ) {
// 获取按钮普通状态和选中状态的两个图片的名称
NSString *imgName = [NSString stringWithFormat:@"TabBar%d", i];
NSString *selImgName = [NSString stringWithFormat:@"TabBar%dSel", i];
// 创建按钮
UIButton *tabBtn = [[UIButton alloc]init ];
CGFloat width = self.view.bounds.size.width / 5;
// 设置按钮的frame
tabBtn.frame =CGRectMake((i-1) * width , 0 , width , 44);
if ( i == 3 ) {
tabBtn.frame = CGRectMake(tabBtn.frame.origin.x , tabBtn.frame.origin.y - 20, tabBtn.frame.size.width, 44 + 20 );
[tabBtn setBackgroundImage:[UIImage imageNamed:@"logoff_btn_n"] forState:UIControlStateNormal];
}else{
// 设置按钮普通状态和选中状态显示的图片
[tabBtn setBackgroundImage:[UIImage imageNamed:imgName] forState:UIControlStateNormal];
[tabBtn setBackgroundImage:[UIImage imageNamed:selImgName] forState:UIControlStateSelected ];
}
tabBtn.tag = 10 + i;
[tabBtn addTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside];
[tabBar addSubview:tabBtn];
}
}
-(void)btnClicked:(UIButton *)button{
for (int i = 1 ; i <= 5 ; i++ ) {
UIButton *btn = (UIButton *) [ self.view viewWithTag:10 + i];
if (btn != button) {
btn.selected = NO;
}
}
button.selected = YES;
if (button.tag == 13) {
UIViewController *vc = [[UIViewController alloc]init];
vc.view.backgroundColor = [UIColor orangeColor];
[self presentViewController:vc animated:YES completion:nil];
return;
}
self.selectedIndex = button.tag - 11;
}
@end
AppDelegate.m文件
#import "AppDelegate.h"
#import "MyCustomTabBar.h"
#import "FifthVC.h"
#import "SecondVc.h"
#import "ThirdVC.h"
#import "FourthVC.h"
#import "FirstVC.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
//先创建五个控制器对象
FirstVC *firstVC = [[FirstVC alloc]init];
SecondVc *secondVC = [[SecondVc alloc] init];
ThirdVC *thirdVC = [[ThirdVC alloc]init];
FourthVC *fourthVC = [[FourthVC alloc]init];
FifthVC *fifthVC = [[FifthVC alloc]init];
// 创建TabBar控制器对象
MyCustomTabBar *tabBarVC = [[MyCustomTabBar alloc]init];
// 设置Tabbar的子控制器对象, 需要注意的是，TabBar控制器最多只能显示五个子视图，如果超过5个，它会只显示4个，把其他的放More选项中
tabBarVC.viewControllers = @[firstVC, secondVC, thirdVC, fourthVC, fifthVC];
self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.window.rootViewController = tabBarVC;
[self.window makeKeyAndVisible];
return YES;
}
