標籤欄背景顏色不會在ios6中更改

Question

我在一個項目中工作，我需要在此實現標籤欄控制器。我的標籤欄的背景色爲黑色，我用這下面的代碼：

[[UITabBar appearance] setTintColor:[UIColor blackColor]];  
UITabBarItem *tabBarItem1 = [tabBarController.tabBar.items objectAtIndex:0]; 
UITabBarItem *tabBarItem2 = [tabBarController.tabBar.items objectAtIndex:1]; 
UITabBarItem *tabBarItem3 = [tabBarController.tabBar.items objectAtIndex:2]; 
UITabBarItem *tabBarItem4 = [tabBarController.tabBar.items objectAtIndex:3];  
[ tabBarItem1 setImageInsets:UIEdgeInsetsMake(2,0,-2,0)]; 
[ tabBarItem2 setImageInsets:UIEdgeInsetsMake(2,0,-2,0)]; 
[ tabBarItem3 setImageInsets:UIEdgeInsetsMake(2,0,-2,0)]; 
[ tabBarItem4 setImageInsets:UIEdgeInsetsMake(2,0,-2,0)]; 

tabBarItem1.title=@"Home"; 
tabBarItem2.title=@"Connect"; 
tabBarItem3.title=@"About"; 
tabBarItem4.title=@"Settings"; 


[[UITabBarItem appearance] setTitleTextAttributes: 
[NSDictionary dictionaryWithObjectsAndKeys: 
    [UIColor colorWithRed:139.0/255.0 green:189.0/255.0 blue:208.0 alpha:255.0], UITextAttributeTextColor, 
    [UIFont fontWithName:@"Arial" size:0.0], UITextAttributeFont, 
    nil] forState:UIControlStateNormal]; 

[[UITabBarItem appearance] setTitleTextAttributes: 
[NSDictionary dictionaryWithObjectsAndKeys: 
    [UIColor whiteColor], UITextAttributeTextColor, 
    [UIFont fontWithName:@"Arial" size:0.0], UITextAttributeFont, 
    nil] forState:UIControlStateSelected]; 

[tabBarItem1 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"home_icon_selected.png"] scaledToSize:CGSizeMake(24, 18)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"home_icon.png"] scaledToSize:CGSizeMake(24, 18)]]; 

[tabBarItem2 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"connect_icon_selected.png"] scaledToSize:CGSizeMake(24, 18)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"connect_icon.png"] scaledToSize:CGSizeMake(24, 18)]]; 

[tabBarItem3 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"about_icon_selected.png"] scaledToSize:CGSizeMake(24, 18)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"about_icon.png"] scaledToSize:CGSizeMake(24, 18)]]; 

[tabBarItem4 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"settings_icon_selected.png"] scaledToSize:CGSizeMake(24, 18)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"settings_icon.png"] scaledToSize:CGSizeMake(24, 18)]]; 


self.tabBarController.tabBar.tintColor = [UIColor whiteColor]; 

>

這是工作在ios7罰款，但沒有這條線在iOS6的反射。還有什麼我需要實現或者我錯過了關於ios6中標籤欄屬性的任何事情？任何幫助將不勝感激。

Answer 1

那麼他們的iOS 7改變了很多關於顏色的蘋果閱讀人機界面指南：https://developer.apple.com/library/ios/documentation/userexperience/conceptual/MobileHIG/index.html

這裏是代碼：

//check if this is not iOS 7 
if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) { 
//your code above except last line 
//Tint is background in iOS 6 but text color in iOS 7 
self.tabBarController.tabBar.tintColor = [UIColor blackColor]; 
}else{ 
//your code above 
}