在iOS 7中，UIStatusBar被设计成这样，它与视图合并:
(GUI由Tina tavvar设计)
It is cool, but it will somewhat mess up your view when you have something at the top part of your view, and it becomes overlapped with the status bar.
Is there a simple solution (such as setting a property in info.plist) that can change the way it works [not overlapping] back to how it is in iOS6?
I know a more straightforward solution is to have self.view.center.x + 20 points for every single view controller, but changing them will screw other dimensions up (having a different self.view.center.x can cause problem to custom segues, etc.) and suddenly it turns into a tedious job that is best to be avoided.
I'll really be glad if someone can provide me an one-liner solution for this.
附注:我知道我可以隐藏状态栏
[[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationNone];
在didFinishLaunchingWithOptions方法中，但这是一个变通方法，一个避免问题的快捷方式，所以我不认为这是一个真正的解决方案。
这可能是一个压倒性的问题，如果你使用自动布局，因为你不能直接操作帧。有一个简单的解决方案，不需要太多的工作。
我最终在一个实用工具类中编写了一个实用方法，并从所有视图控制器的viewDidLayoutSubviews方法中调用它。
+ (void)addStatusBarIfiOS7:(UIViewController *)vc
{
if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
CGRect viewFrame = vc.view.frame;
if(viewFrame.origin.y == 20) {
//If the view's y origin is already 20 then don't move it down.
return;
}
viewFrame.origin.y+=20.0;
viewFrame.size.height-= 20.0;
vc.view.frame = viewFrame;
[vc.view layoutIfNeeded];
}
}
重写视图控制器中的viewDidLayoutSubviews方法，在那里你想要状态栏。它会让你通过自动布局的负担。
- (void)viewDidLayoutSubviews
{
[[UIApplication sharedApplication]setStatusBarStyle:UIStatusBarStyleLightContent];
[super viewDidLayoutSubviews];
[MyUtilityClass addStatusBarIfiOS7:self];
}
为了继续使用setStatusBarHidden:我使用这个类别:
@interface UIApplication (StatusBar)
-(void)setIOS7StatusBarHidden:(BOOL)statusBarHidden;
@end
@implementation UIApplication (StatusBar)
-(void)setIOS7StatusBarHidden:(BOOL)statusBarHidden{
if (!IOS7) {
[self setStatusBarHidden:statusBarHidden];
return;
}
if ([self isStatusBarHidden] == statusBarHidden) {
return;
}
[self setStatusBarHidden:statusBarHidden];
[self keyWindow].clipsToBounds = YES;
CGFloat offset = statusBarHidden ? 0 : 20;
[self keyWindow].frame = CGRectMake(0,offset,[self keyWindow].frame.size.width,[self keyWindow].frame.size.height-offset);
[self keyWindow].bounds = CGRectMake(0, offset, [self keyWindow].frame.size.width,[self keyWindow].frame.size.height);
}
@end
我的解决方案是在iOS 7上，在窗口顶部添加一个高度为20点的UIView。
然后我在AppDelegate类中创建了一个方法来显示/隐藏“固态”状态栏背景。在应用程序:didFinishLaunchingWithOptions::
// ...
// Add a status bar background
self.statusBarBackground = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.window.bounds.size.width, 20.0f)];
self.statusBarBackground.backgroundColor = [UIColor blackColor];
self.statusBarBackground.alpha = 0.0;
self.statusBarBackground.userInteractionEnabled = NO;
self.statusBarBackground.layer.zPosition = 999; // Position its layer over all other views
[self.window addSubview:self.statusBarBackground];
// ...
return YES;
然后我创建了一个方法来淡入/淡出黑色状态栏背景:
- (void) showSolidStatusBar:(BOOL) solidStatusBar
{
[UIView animateWithDuration:0.3f animations:^{
if(solidStatusBar)
{
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
self.statusBarBackground.alpha = 1.0f;
}
else
{
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault];
self.statusBarBackground.alpha = 0.0f;
}
}];
}
我现在要做的就是在需要时调用[appDelegate showSolidStatusBar:YES]。
我要迟到了，但我只是想分享我所做的，基本上
最简单的解决方案
首先->转到你的信息。plist文件并添加状态栏样式->透明黑色样式(Alpha 0.5)
现在，它开始了:-
在你的AppDelegate.m中添加这段代码
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//Whatever your code goes here
if(kDeviceiPad){
//adding status bar for IOS7 ipad
if (IS_IOS7) {
UIView *addStatusBar = [[UIView alloc] init];
addStatusBar.frame = CGRectMake(0, 0, 1024, 20);
addStatusBar.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1]; //change this to match your navigation bar
[self.window.rootViewController.view addSubview:addStatusBar];
}
}
else{
//adding status bar for IOS7 iphone
if (IS_IOS7) {
UIView *addStatusBar = [[UIView alloc] init];
addStatusBar.frame = CGRectMake(0, 0, 320, 20);
addStatusBar.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1]; //You can give your own color pattern
[self.window.rootViewController.view addSubview:addStatusBar];
}
return YES;
}
我在iOS 7中实现了iOS 6的状态栏。
在info.plist中设置UIViewControllerBasedStatusBarAppearance为NO
(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions方法
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7) {
[application setStatusBarStyle:UIStatusBarStyleLightContent];
self.window.clipsToBounds =YES;
self.window.frame = CGRectMake(0,20,self.window.frame.size.width,self.window.frame.size.height);
//Added on 19th Sep 2013
NSLog(@"%f",self.window.frame.size.height);
self.window.bounds = CGRectMake(0,0, self.window.frame.size.width, self.window.frame.size.height);
}
它可能会把你所有的视图都压低20个像素。要克服这一点，请使用以下代码在-(void)viewDidAppear:(BOOL)animated方法
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7) {
CGRect frame=self.view.frame;
if (frame.size.height==[[NSUserDefaults standardUserDefaults] floatForKey:@"windowHeight"])
{
frame.size.height-=20;
}
self.view.frame=frame;
}
你必须在didFinishLauncing Method中设置窗口分配后的windowHeight Userdefaults值
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[[NSUserDefaults standardUserDefaults] setFloat:self.window.frame.size.height forKey:@"windowHeight"];
