Now I'm creating a feature to install and take action with a view (button) that looks like when tethering.
Specifically, during certain actions, a 44px height button is placed at the top of the screen to be used as a shortcut.
The current implementation reduces the key window that AppDelegate has, creates a space at the top, and places the button there.
iOS 8 works as intended, but sometimes it doesn't work as intended with iOS 6 and 7.
The desired behavior does not occur when you display a モーmodal view 」 and when you run presentViewController: animated:completion:.
This will restore the size of the key window resized above and display a modal view over it.
As a result, the view goes under the overlapping buttons.
Do you know anything about this behavior?
[Added on February 4, 2015]
I received your comment, so I will put the minimum code to be reproduced.
Repeat the steps for
will be
-(BOOL) application:(UIAapplication*) application
didFinishLaunchingWithOptions: (NSDictionary*) launchOptions
{
UIButton* button= [UIButtonButtonWithType: UIButtonTypeContactAdd];
button.frame = CGRectMake(50, 150, 100, 44);
button addTarget:self
action:@selector(tap:)
forControlEvents:UICControlEventTouchUpInside];
// ViewController
self.viewController=[[UIViewController alloc] init];
self.viewController.view.backgroundColor=UIColor.blueColor;
self.viewController.definesPresentationContext=NO;
[self.viewController.viewaddSubview:button];
UIBarButtonItem*barButton=[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemBookmarks
target —self
action:@selector(barBtnTap:);
self.viewController.navigationItem.rightBarButtonItem=barButton;
// NavigationController
UINavigationController*nv = [[UINavigationController alloc] initWithRootViewController:self.viewController];
self.window=[UIWindow alloc] initWithFrame: UISscreen.mainScreen.bounds];
self.window.backgroundColor=UIColor.redColor;
self.window.rootViewController=nv;
self.window makeKeyAndVisible;
return YES;
}
- (void)barBtnTap: (id)sender
{
UIView* mark = [[UIView alloc] initWithFrame: CGRectMake(0,0,50,50)];
mark.backgroundColor=UIColor.yellowColor;
UIViewController* modal=[UIViewController alloc] init];
modal.view.backgroundColor=UIColor.grayColor;
modal.view addSubview:mark;
[self.viewController presentViewController:modal]
animated —YES
completion:nil];
}
- (void)tap: (id)sender
{
self.backupFrame =self.window.frame;
CGRect newFrame =self.window.frame;
NSInteger pad = 60;
newFrame.size.height-=pad;
newFrame.origin.y+=pad;
self.window.frame = newFrame;
CGRect otherFrame = CGRectMake(0,0, newFrame.size.width, pad);
self.otherWindow=[UIWindow alloc] initWithFrame: otherFrame];
self.otherWindow.backgroundColor=UIColor.greenColor;
[self.otherWindow makeKeyAndVisible];
}
The view(00;320480) created in loadView of UIViewController that I checked and found was view(0-60;320480) when viewWillLayoutSubviews was called.
Therefore, after implementing it as follows, we have confirmed that it works as expected.
- (void) viewWillLayoutSubviews
{
// [UIAApplication sharedApplication].keyWindow so that you can get the desired window
// self.otherWindow makeKeyAndVisible; after
// self.window makeKeyWindow; doing so.
CGSize windowSize = [UIApplication sharedApplication].keyWindow.frame.size;
self.view.frame = CGRectMake(0,0, windowSize.width, windowSize.height);
superviewWillLayoutSubviews;
}
Because you don't know the details of when the view.frame changes, a different location may be appropriate instead of viewWillLayoutSubviews.
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