I have an iPad app that supports UIDeviceOrientationPortrait and UIDeviceOrientationLandscapeLeft.
I did include this method :
- (BOOL)shouldAutorotateToInterfaceOrientation:
(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait ||
interfaceOrientation == UIInterfaceOrientationLandscapeLeft );
}
The issue I have is that I need it to load in the UIDeviceOrientationLandscapeLeft mode, just for the load, because my UI controls will be setup properly. how can I force it only once on load.
One thing I wanna note is that this has to be min iOS 5.
I recently had similar problem, but I wanted to change from Landscape to Portrait by force, I knew in old versions there were built in methods but unfortunately we are never sure when and what is working for us, but I gave this code a try and It worked for me, but my scenario was to forcing from landscape to portrait, which is opposite to your scenario, but anyways it works, here is the code possibly for your scenario;
-(NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskLandscape;
}
-(void)viewWillAppear:(BOOL)animated {
UIApplication* application = [UIApplication sharedApplication];
if (application.statusBarOrientation != UIInterfaceOrientationLandscapeLeft)
{
UIViewController *c = [[UIViewController alloc]init];
[self presentModalViewController:c animated:NO];
[self dismissModalViewControllerAnimated:NO];
}
[super viewWillAppear:animated];
}
EDIT working on IOS 6.1 I have added two more methods which I did not add in my previous post, I add now all what is working for my application...
- (BOOL)shouldAutorotate
{
return NO;
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return UIInterfaceOrientationLandscapeLeft;
}
the idea is to check the statusbar orietnation and add and dismiss a modalViewController and it works for me to force from one to another orientation.
Even if this answer is not what you expected:
Give yourself a favor: it is really complex to force the device into a specific orientation.
You can search here on SO, what all works and does not work, and works in 6.1 and not in 6.01. and so on.
So fastest and safest is, to fix your code such that it can corectly initialize in both orientations.
Despite any app Info.plist settings or -shouldAutorotateToInterfaceOrientation: (or -shouldAutorotate) method overrides, view controllers start off in portrait and are then rotated into landscape by iOS.
What is preventing your UI layout from being setup properly?
Update in the Project Settings OR the info file.
In iOS 6.x you should override supportedInterfaceOrientations.
Try also preferredInterfaceOrientationForPresentation.
Related
I have a strange problem with UIInterfaceOrientation. In my project there are many different views, some of them should rotate in landscape mode, and some of them should not. The problem is that all the view which were not created using Storyboard and in which only the UIInterfaceOrientation portrait is enabled this works fine and the view does not rotate, instead all the views created using the Storyboard, even if the UIInterfaceOrientation landscape mode was disabled they keep rotating. In my Xcode project setting those checks are enabled and I cannot change them:
How can I completely disable the device rotation in all the different views? [Storyboard or not].
This is the code I use to disable the device orientation in all the storyboard view controller, but it does not work:
- (BOOL)shouldAutorotate {
return NO;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
Try this code maybe it will work for you.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientationMask)interfaceOrientation {
return (interfaceOrientation == UIInterfaceOrientationMaskPortrait);
}
The solution was to assign a UINavigationController class to the UINavigationController in the Storyboard file and to place this code in his .m file:
- (BOOL)shouldAutorotate {
return NO;
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
return UIInterfaceOrientationPortrait;
}
- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskPortrait;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
return UIInterfaceOrientationIsPortrait(toInterfaceOrientation);
}
Please, check if in your project .plist there are more than one item for orientation or something strange. I sometimes have found that orientation has different values in plist or duplicated keys.
Hope it helps
I have an application on AppStore that has portrait Mode on iPhone and on iPad it works on landscape. However i am getting reports that it shows portrait on iPad 1 thus destroyed overall View.
Why is iPad 1 specifically showing Portrait mode?
The version of iPad is 5.1.1
In ios 6, the methods for supporting interface orientation has been changed. For supporting both interface orientation in both version, we need to check the os version and write code acoordingly.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
Support for new versions
- (NSUInteger)supportedInterfaceOrientations {
}
- (BOOL)shouldAutorotate {
}
In my View Controller i have the following:
- (NSUInteger)supportedInterfaceOrientations {
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
}
- (BOOL)shouldAutorotate {
}
Go and make sure ALL view controllers return the correct orientation modes they support. I've seen such behaviour in iOS 5 and if I recall correctly that was the reason.
I had a very similar from and I resolved it by changing the following code in AppDelegate.m-> applicationDidFinishLaunching:
[self.window addSubview:self.viewController];
to
[self.window setRootViewController:self.viewController];
ADDED:
You can access this project on github
ios6rotations
Sorry guys for asking the question about screen rotation in iOS 6 but this is really a pain in the ass..and I still can't understand it completely - for some reason it behaves differently under certain circumstances.
I have the following simple hierarchy of views in my test app:
What I'm trying to achieve is - to keep blue controller in landscape only and red one is only in portrait.
I have a subclass of UINavigationController with such code inside:
#implementation CustomNavController
- (BOOL)shouldAutorotate
{
return [[self.viewControllers lastObject] shouldAutorotate];
}
- (NSUInteger)supportedInterfaceOrientations
{
return [[self.viewControllers lastObject] supportedInterfaceOrientations];
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
return [[self.viewControllers lastObject] preferredInterfaceOrientationForPresentation];
}
#end
In my blue controller I implemented this:
- (BOOL)shouldAutorotate {
return YES;
}
- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskLandscape;
}
And in red controller this:
- (BOOL)shouldAutorotate {
return YES;
}
- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskPortrait;
}
Now I have the following behavior:
App started in landscape (OK)
When I press the button my red controller pushed in landscape too (this is not ok because it must be shown in Portrait)
It successfully rotates to portrait but not backward to landscape
If I leave the red controller in Portrait mode my blue controller (which is restricted to landscape) shows in Portrait mode.
P.S.
All my rotation methods(posted above) are getting called normally.(by the way why do these methods getting called so many times per screen transition - 5-6 times)
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation does not getting called with pushing
All(except portraitUpsideDown) orientations are included in plist.
The question is - how to force rotation to supported orientation in each controller?
I suggest you to post here (as answers) any 100% working code to handle rotations in ios6 (for example if you have some for iPad with SplitController) - I'll keep this question in favorites to have all in one place when I need to handle some specific situations. Cheers!
ADDED:
Please do not post this as answer from landscape to portrait I hope that there'
s more elegant way to do it.
Using -[UIDevice setOrientation:] is a private API, and will get your application rejected. See this question.
What you ask is not possible using public API and is also not recommended from HIG standpoint. What is supported and you should implement, is modal presentation of the different view controllers with different supported interface orientation. This is why the default implementation of UINavigationController is to always rotate; it assumes all view controllers have the same supported interface orientations.
Take for example video playback on iPhone. Open the video apps (that comes with iOS). The root view controller only supports portrait orientation. However, start a video, and a modal view controller pops up which only supports landscape interface orientations. This seems exactly the behavior you wish to achieve.
This is why preferredInterfaceOrientationForPresentation is not called. preferredInterfaceOrientationForPresentation only gets called when using presentViewController:animated:.
A small gotcha, if you require a navigation bar in each stage of your scene, you will need to enclose each modal view controller with a navigation controller. You can then pass the required data in prepareForSegue: by accessing topViewController of the navigation controller object in the segue.
Here is an example project which behaves correctly according to your requirements (or at least will give you ideas how to implement):
http://www.mediafire.com/?zw3qesn8w4v66hy
My two cents worth.
You can present an empty transparent modal view quickly then dismiss it, maybe on ViewDidLoad: or viewWillAppear: on your ViewController and ViewControllerSecond class as a quick workaround.
Also, in storyboard, you can set ViewController class orientation to landscape visually.
use this line for programmatically change orientation... work 100%
[[UIDevice currentDevice] setOrientation:UIInterfaceOrientationLandscapeRight];
and also when you add this line at that time one warning appear and for remove this warning just add bellow code on you implementation file.. at the top.
#interface UIDevice (MyPrivateNameThatAppleWouldNeverUseGoesHere)
- (void) setOrientation:(UIInterfaceOrientation)orientation;
#end
and after that in bellow method just write this code if required..
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return your supported orientations
if (currentMainView==blueOne) {
return toInterfaceOrientation== UIInterfaceOrientationPortrait;
}
}
I have a similar situation in one of my apps (although do note that I am not using UINavigationController).
Change the shouldAutorotate methods in both of your viewControllers:
//in blue (landscape only)
-(BOOL)shouldAutorotate{
if (UIInterfaceOrientationIsLandscape(self.interfaceOrientation)) {
return YES;
}
else {
return NO;
}
}
//in red (portrait only)
-(BOOL)shouldAutorotate{
if (self.interfaceOrientation == UIInterfaceOrientationPortrait) {
//note that UIInterfaceOrientationIsPortrait(self.interfaceOrientation) will return yes for UIInterfaceOrientationPortraitUpsideDown
return YES;
}
else {
return NO;
}
}
Keep the supportedInterfaceOrientations methods the same.
#pragma mark- Orientation Delegate Method:
- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{ Orientation = [UIApplication sharedApplication].statusBarOrientation;
if (Orientation == UIInterfaceOrientationLandscapeLeft || Orientation == UIInterfaceOrientationLandscapeRight)
{
// self.scrollView.contentOffset = CGPointMake(self.view.bounds.size.width,1200);
[scrollView setScrollEnabled:YES];
[scrollView setContentSize:CGSizeMake(768, 2150)];
}else if (Orientation == UIInterfaceOrientationPortrait || Orientation == UIInterfaceOrientationPortraitUpsideDown)
{
[scrollView setScrollEnabled:YES];
[scrollView setContentSize:CGSizeMake(768, 1750)];
}
}
In order to use navigation with orientation together, you should take a bunch of viewcontrollers like an array.
After that checkout following methods,
-(BOOL)shouldAutorotate
{
return [[self.viewControllers lastObject] shouldAutorotate];
}
-(NSUInteger)supportedInterfaceOrientations
{
return [[self.viewControllers lastObject] supportedInterfaceOrientations];
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return [[self.viewControllers lastObject] preferredInterfaceOrientationForPresentation];
}
this changes in your methods will help you a lot.
Enjoy Programming!
In a shipping app that has worked correctly under iOS 5.X and supports all orientations, built against iOS 6 it always starts in portrait even when the ipad/simulator is in landscape).
I did add the new rotation methods
- (BOOL)shouldAutorotate NS_AVAILABLE_IOS(6_0);
- (NSUInteger)supportedInterfaceOrientations NS_AVAILABLE_IOS(6_0);
but that makes no difference.
Note we do not use a navigation controller as the root view controller. Otherwise the app rotates correctly after the initial problem.
The root view controller handles all the decision making for rotations and is added to the main window as
self.window.rootViewController = viewController;
I have all the rotations in the plist key set UISupportedInterfaceOrientations~ipad
Any ideas why the initial rotation is ignored?
Under 5.1 it calls shouldAutorotateToInterfaceOrientation and willRotateToInterfaceOrientation, etc. correctly but not under 6.0. If I build against 5.1 SDK then all is well.
After talking with Apple, they claim it is a bug in Xcode 4.5 on existing projects. Either you can create a new project and re-add everything (hard to do with a big project like ours). Or add you rotation logic something like this:
- (void)viewWillLayoutSubviews
{
if ( ! afterFirstTime )
{
[self handleRotationFor:self.interfaceOrientation];
afterFirstTime = YES;
}
}
- (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
[self handleRotationFor:toInterfaceOrientation];
}
on your root view controller. I got this answer right before their break Thanksgiving week so it might be a little sketchy, but this code does work.
If your application support portrait view, as MusiGenesis said; "iPad apps always start in portrait (even if the device is landscape) in iOS 5 as well."
But i found a solution to start in device orientation.
You can set the initial rotation in the root ViewController, after viewDidLoad function as below.
The code seems to be pointless but it works.
No need to handle portrait rotation.
-(void)viewDidLoad {
[super viewDidLoad];
if ([[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeLeft) {
[[UIDevice currentDevice] performSelector:NSSelectorFromString(#"setOrientation:") withObject:(id)UIInterfaceOrientationLandscapeLeft];
}
else if ([[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeRight) {
[[UIDevice currentDevice] performSelector:NSSelectorFromString(#"setOrientation:") withObject:(id)UIInterfaceOrientationLandscapeRight];
}
}
Regards.
Does anyone know how to set the interface orientation for the ZBar SDK? I need it to work in landscape view and not portrait. I tried adding [reader shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationLandscapeRight];but it didn't work. Any ideas?
Create a wrapper class around ZBarReaderView and add the iOS 6 methods:
-(BOOL) shouldAutorotate
{
return NO;
}
-(NSUInteger) supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskLandscape;
}
Then use the class you created over the built in ZBar one, make sure you keep the old iOS 5 methods in the same controller:
- (BOOL)shouldAutorotateToInterfaceOrientation (UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationLandscape);
}
and also:
self.reader.supportedOrientationsMask = ZBarOrientationMask(UIInterfaceOrientationMaskLandscape);
I know it's late, but I just got around to doing this myself for iOS 6.
I got the same issue and resolved it symply !
I just needed to call :
[reader willRotateToInterfaceOrientation: toInterfaceOrientation duration: duration];
within the willRotate... of the view controller that contains the ZbarReaderView.
I'm not sure exactly what you mean but maybe this help you ...
[[UIApplication sharedApplication] setStatusBarOrientation: UIInterfaceOrientationLandscapeLeft animated:NO];
or
[[UIDevice currentDevice] setOrientation:UIInterfaceOrientationLandscapeLeft];