[英]iOS custom tabbar
我剛剛開始iOS開發,我只是在玩atm。
我正在嘗試將默認的tabbar按鈕轉換為更自定義的內容。
經過一番環顧,我發現你可以為每個按鈕創建自定義狀態,所以我做了:
UIImage *selectedImage0 = [UIImage imageNamed:@"first.png"];
UIImage *unselectedImage0 = [UIImage imageNamed:@"second.png"];
UITabBar *tabBar = self.tabBarController.tabBar;
UITabBarItem *item0 = [tabBar.items objectAtIndex:0];
[item0 setFinishedSelectedImage:selectedImage0 withFinishedUnselectedImage:unselectedImage0];
但是,我無法擺脫默認按鈕,它會更改圖像,但它不會更改我的整個按鈕。
我還需要做些什么嗎?
UIViewController *viewController1 = [[FirstViewController alloc] initWithNibName:@"FirstViewController" bundle:nil];
UIViewController *viewController2 = [[SecondViewController alloc] initWithNibName:@"SecondViewController" bundle:nil];
self.tabBarController = [[UITabBarController alloc] init];
self.tabBarController.viewControllers = [NSArray arrayWithObjects:viewController1, viewController2, nil];
self.window.rootViewController = self.tabBarController;
[self.window makeKeyAndVisible];
UIImage *selectedImage0 = [UIImage imageNamed:@"first.png"];
UIImage *unselectedImage0 = [UIImage imageNamed:@"second.png"];
UITabBar *tabBar = self.tabBarController.tabBar;
UITabBarItem *item0 = [tabBar.items objectAtIndex:0];
[item0 setFinishedSelectedImage:selectedImage0 withFinishedUnselectedImage:unselectedImage0];
檢查以下鏈接(大多數標簽欄控制器的自定義)
在這里,我創建了一個自定義標簽欄,我拍攝的圖像是一個常量文件。 在這里,您可以根據自己的方便用“foo.png”替換圖像。 這里的serivceImg,contactImg等是在.h文件中聲明的UIImageView。 另外,不要忘記在.h文件中添加UITabBarControllerDelegate作為委托。
-(void)setUpTabBar {
tabBar = [[UITabBarController alloc] init];
Services *firstViewController = [[Services alloc]init];
firstViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:1];
UINavigationController *firstNavController = [[UINavigationController alloc]initWithRootViewController:firstViewController];
ContactUs *secondViewController = [[ContactUs alloc]init];
secondViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:2];
UINavigationController *secondNavController = [[UINavigationController alloc]initWithRootViewController:secondViewController];
Bookings *thirdViewController = [[Bookings alloc]init];
thirdViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:3];
UINavigationController *thirdNavController = [[UINavigationController alloc]initWithRootViewController:thirdViewController];
Reward *fourthViewController = [[Reward alloc]init];
fourthViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemRecents tag:4];
UINavigationController *fourthNavController = [[UINavigationController alloc]initWithRootViewController:fourthViewController];
tabBar.viewControllers = [[NSArray alloc] initWithObjects:firstNavController, secondNavController, thirdNavController, fourthNavController, nil];
tabBar.delegate=self;
tabBar.selectedIndex=0;
[firstNavController release];
[firstViewController release];
[secondNavController release];
[secondViewController release];
[thirdNavController release];
[thirdViewController release];
[fourthNavController release];
[fourthViewController release];
serivceImg=[[UIImageView alloc]initWithFrame:CGRectMake(0, 432, 80, 49)];
serivceImg.image=[UIImage imageNamed:serviceHover];
contactImg=[[UIImageView alloc]initWithFrame:CGRectMake(81, 432,80, 49)];
contactImg.image=[UIImage imageNamed:tabContact];
bookingImg=[[UIImageView alloc]initWithFrame:CGRectMake(162, 432,80, 49)];
bookingImg.image=[UIImage imageNamed:tabBooking];
rewardImg=[[UIImageView alloc]initWithFrame:CGRectMake(243, 432, 80, 49)];
rewardImg.image=[UIImage imageNamed:tabReward];
[tabBar.view addSubview:serivceImg];
[tabBar.view addSubview:contactImg];
[tabBar.view addSubview:bookingImg];
[tabBar.view addSubview:rewardImg];
[[[UIApplication sharedApplication]keyWindow]addSubview:tabBar.view];
[serivceImg release];
[contactImg release];
[bookingImg release];
[rewardImg release];
}
- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController1{
if (viewController1 == [tabBar.viewControllers objectAtIndex:0])
{
serivceImg.image = [UIImage imageNamed:kserviceHover];
contactImg.image=[UIImage imageNamed:ktabContact];
bookingImg.image=[UIImage imageNamed:ktabBooking];
rewardImg.image=[UIImage imageNamed:ktabReward];
}
else if (viewController1 == [tabBar.viewControllers objectAtIndex:1])
{
serivceImg.image = [UIImage imageNamed:ktabService];
contactImg.image=[UIImage imageNamed:kcontactHover];
bookingImg.image=[UIImage imageNamed:ktabBooking];
rewardImg.image=[UIImage imageNamed:ktabReward];
}
else if (viewController1 == [tabBar.viewControllers objectAtIndex:2])
{
serivceImg.image = [UIImage imageNamed:ktabService];
contactImg.image=[UIImage imageNamed:ktabContact];
bookingImg.image=[UIImage imageNamed:kbookingHover];
rewardImg.image=[UIImage imageNamed:ktabReward];
}
else if (viewController1 == [tabBar.viewControllers objectAtIndex:3])
{
serivceImg.image = [UIImage imageNamed:ktabService];
contactImg.image=[UIImage imageNamed:ktabContact];
bookingImg.image=[UIImage imageNamed:ktabBooking];
rewardImg.image=[UIImage imageNamed:krewardHover];
}
}
試試這個。這可能對你有幫助。
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