uiinterfaceorientation

问题 I have use the Xcode 4.5.1 and use this conditions #define IOS_OLDER_THAN_6 ( [ [ [ UIDevice currentDevice ] systemVersion ] floatValue ] < 6.0 ) #define IOS_NEWER_OR_EQUAL_TO_6 ( [ [ [ UIDevice currentDevice ] systemVersion ] floatValue ] >= 6.0 ) #ifdef IOS_OLDER_THAN_6 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation{ [image_signature setImage:[self resizeImage:image_signature.image]]; return (toInterfaceOrientation ==

问题 I want to rotate my app upside down portrait using the following code in the ViewController: - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { //return NO; // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationMaskPortraitUpsideDown); } - (UIInterfaceOrientationMask) supportedInterfaceOrientations { return [super supportedInterfaceOrientations] | UIInterfaceOrientationMaskPortraitUpsideDown |

问题 If a Single View app is created for iPad, depending on the Supported Device Orientation is set for the plist, and what shouldAutorotateToInterfaceOrientation returns, shouldAutorotateToInterfaceOrientation can be called 10, 12, or even 13 times. One simple case is, if the "Support Device Orientation" is set to Landscape Left, and shouldAutorotateToInterfaceOrientation also returns YES only for Landscape Left, then if I start the app in Landscape Left orientation, then

问题 I am working on a project and facing a problem. My problem is that i am making a project for 5.0 and above, My project is all in portrait view but only one view has both view (Landscape and portrait) i am using NavigationController custom class and check Orientations like this in custom navigation class ` - (NSUInteger)supportedInterfaceOrientations { int interfaceOrientation = 0; if (self.viewControllers.count > 0) { id viewController; for (viewController in self.viewControllers) { if (

问题 i am working on app. the orientation of app is landscape but after app run interface orientation of app change the interface and rotate. splash screen display in correct way (landscape). i am using ios7 the app was code for ios5 i think there is some deprecated api issue e.g. shouldAutorotateToInterfaceOrientation bot called because this is no more available in latest ios 回答1: If you want all of our navigation controllers to respect the top view controller you can use a category so you don't

问题 Views in my app are portrait only - my view controllers and the root view controller both ensure that they only rotate to portrait orientations using both shouldAutorotateToInterfaceOrientation: and supportedInterfaceOrientations in order to support both iOS 5 and iOS 6. I've added an iAd banner to a view, and it appears correctly at the top of the screen. When I tap it to see a test ad on the iPad, the test ad appears in lanscape, which I expect - I understand iAds may be in any orientation.

问题 Below is happening with iOS 6. I am playing video which can be played in potrait or landscape mode. Once video's Done button is pressed I am making screen to potrait mode programmatically. The problem is when I open app, I have black status bar. When I play video as potrait only, I still see black status bar as shown below. Now when I play video and shift rotation after after playback is done and click Done button, I make app in potrait mode. BUT now my status bar is changed to light black

问题 this issue is supposed to be a simple one... i have googled a lot about it and i have tried all the setups on my project. the thing is i am working on a project that is not mine. the app launched from the app delegate and then i am adding a UIViewController (without XIB file) everything done by code. the ViewController is actually on landscape, but the thing is the the app is running on portrait (when i am pulling the notification view it turns dow like in the portrait mode). this is

问题 I need my app to only support portrait orientation. But after upgrading to iOS9, the orientation settings seem to have no effect. I have gone through this answer and here's my apps settings : but still the app goes into landscape. what am I doing wrong? 回答1: Please check Info.plist for "Supported interface orientations". It must show Portrait for your requirement. Sometimes it is not updated as project settings in General Tab. If you find landscape orientation over here then remove it. <key

问题 Ever since updating my device to 6.1, I'm getting a crash when trying to show the UIImagePickerController. I only use Portrait orientation. The Crash: Reason: * Terminating app due to uncaught exception 'UIApplicationInvalidInterfaceOrientation', reason: 'preferredInterfaceOrientationForPresentation must return a supported interface orientation!' Here is where I call the UIImagePickerController: if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) { /