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2014/10/15 ¤U¤È 10:15:49
iphone Programming Glossary: viewcontrollerUISearchBar Sample Code [closed] http://stackoverflow.com/questions/1302962/uisearchbar-sample-code to set a few simple parameters like the dataSource which is just an UITableViewDatasource and a viewController where the results have to been showed in . This gives you exactly the same look as the contacts application..
How to tell if UIViewController's view is visible http://stackoverflow.com/questions/2777438/how-to-tell-if-uiviewcontrollers-view-is-visible to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController.. loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers.. to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check its..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions causing half of the screen to stay blank. presentModalViewController in landscape after portrait viewController Modal views are not correctly rendered either. A set of different solutions have been presented some..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal to always return NO BOOL..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview return the image return theImage Now you just need few lines of code. I put stuff in my viewController viewDidLoad method because it's faster but you can use it also in your custom UIView with the layoutSubviews..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root be unsupported according to the SDK documentation for pushViewController animated emphasis added viewController The view controller that is pushed onto the stack. It cannot be an instance of tab bar controller. I..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods.. the delegate methods for ChildViewControllerDelegate void childViewController ChildViewController viewController didChooseValue CGFloat value Do something with value... ...then dismiss the child view controller self.navigationController..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h.. #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release.. @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release super dealloc void..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su rootViewController of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g... your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can.. current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work differently the key point is the animated..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder not set.' Im sure there is a way to load the view using the nib file without needing to create a viewController class. Any ideas Thanks Gonso iphone objective c ios cocoa touch interface builder share improve..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar I edited this to provide the definitive answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton.. placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript a view in Objective C from JavaScript. Does someone know how I can do this I have this code in my ViewController BOOL webView UIWebView webView2 shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview UITableView I can still select cells and they respond properly by triggering a transition to a new ViewController object. But I can not scroll the UITableView despite passing the touchesBegan touchesMoved and touchesEnded..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class between the Objective C and C code. Therefore I would like to have a persistent C object in the ViewController interface. This fails by forbidding the declaration of 'myCppFile' with no type #import UIKit UIKit.h.. 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation.. no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation file..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample bit which loads the text.txt from the cloud AppDelegate.h iCloudText #import UIKit UIKit.h @class ViewController @class MyTextDocument @interface AppDelegate UIResponder UIApplicationDelegate NSMetadataQuery _query.. NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import.. document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su using navigation controller stack subviews or modal controllers NavigationControllers have ViewController stacks to manage and limited animation transitions. Adding a view controller as a sub view to an existing.. must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented a simple container class I called TransitionController . You can.. NSDictionary launchOptions self.window UIWindow alloc initWithFrame UIScreen mainScreen bounds MyViewController vc MyViewContoller alloc init... self.transitionController TransitionController alloc initWithViewController..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view controller that can load different views depending on the question that needs.. Interface Builder the Question1View.xib HERE IS WHERE MY PROBLEM PROBABLY ARE . I set the both the ViewController and the View to be of class Question1View. I link the outlets with the view's component using IB . I.. the outlets with the view's component using IB . I override the initWithNib of my QuestionManagerViewController to look like this id initWithNibName NSString nibNameOrNil bundle NSBundle nibBundleOrNil if self super..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone a UDP packet to your server which sends the real SMS iOS 4 Update iOS 4 however now provides a viewcontroller you can import into your application. You prepopulate the SMS fields then the user can initiate the..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking to know what I want to do or not. So frustrating Update This is what's going on. This is in my viewcontroller which I have the #import SystemConfiguration SystemConfiguration.h and #import Reachability.h set up..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair.. will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what.. as an method Except.... objects can only set one delegate at a time. So when I have multiple viewcontroller communication what am I to do Ok that's the set up gang. I know I can easily do my communication methods..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation on the device or UIView that I'm missing iphone cocoa touch share improve this question In a viewcontroller you can simply use the code UIInterfaceOrientation interfaceOrientation self.interfaceOrientation The..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller a parent view controller through a navigationcontroller Currently I add a viewcontroller using pushViewController animated and now from within that new one would like to call a method inside..
UISearchBar Sample Code [closed] http://stackoverflow.com/questions/1302962/uisearchbar-sample-code or programmatically set that as headerView. You only have to set a few simple parameters like the dataSource which is just an UITableViewDatasource and a viewController where the results have to been showed in . This gives you exactly the same look as the contacts application and all other Apple applications you can also set 'scopes'..
How to tell if UIViewController's view is visible http://stackoverflow.com/questions/2777438/how-to-tell-if-uiviewcontrollers-view-is-visible and may be undesirable. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check its visibleViewController.. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check its visibleViewController property instead... first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check its visibleViewController property instead. share improve this..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions but displays a clipped portrait view in landscape mode causing half of the screen to stay blank. presentModalViewController in landscape after portrait viewController Modal views are not correctly rendered either. A set of different solutions have been presented some of them including completely custom animation via CoreGraphics..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui animated YES navigationController release b release iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal to always return NO BOOL disablesAutomaticKeyboardDismissal return NO share improve..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview above so we can release the original CGImageRelease bitmapContext return the image return theImage Now you just need few lines of code. I put stuff in my viewController viewDidLoad method because it's faster but you can use it also in your custom UIView with the layoutSubviews method in example. void viewDidLoad Create the mask..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root ... This seems to work ^1 but appears to be unsupported according to the SDK documentation for pushViewController animated emphasis added viewController The view controller that is pushed onto the stack. It cannot be an instance of tab bar controller. I would like to avoid private APIs and the like but I'm not sure..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m #import ChildViewController.h.. detailViewController animated YES Implement the delegate methods for ChildViewControllerDelegate void childViewController ChildViewController viewController didChooseValue CGFloat value Do something with value... ...then dismiss the child view controller self.navigationController popViewControllerAnimated YES @end Hope..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample AppDelegate UIResponder UIApplicationDelegate NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation.. iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release super dealloc void loadData NSMetadataQuery query 4 iCloud the.. #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release super dealloc void loadData NSMetadataQuery query 4 iCloud the heart of the..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su for this example You have a view controller assigned as the rootViewController of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work differently.. have a view controller assigned as the rootViewController of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work differently the key point is the.. window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work differently the key point is the animated transition and the single view controller. Make sure..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder bundle loaded the Question1View nib but the view outlet was not set.' Im sure there is a way to load the view using the nib file without needing to create a viewController class. Any ideas Thanks Gonso iphone objective c ios cocoa touch interface builder share improve this question There is also an easier way to access the view..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar uinavigationitem share improve this question I edited this to provide the definitive answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered.. I edited this to provide the definitive answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered target nil action nil self navigationItem..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript C from Javascript I have a WebView and I want to call a view in Objective C from JavaScript. Does someone know how I can do this I have this code in my ViewController BOOL webView UIWebView webView2 shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType navigationType NSString requestString request..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview my UITableView scroll events are not being relayed to my UITableView I can still select cells and they respond properly by triggering a transition to a new ViewController object. But I can not scroll the UITableView despite passing the touchesBegan touchesMoved and touchesEnded events. iphone uitableview multi touch pinch share..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class of the way but would like to have a single interface class between the Objective C and C code. Therefore I would like to have a persistent C object in the ViewController interface. This fails by forbidding the declaration of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController.. interface. This fails by forbidding the declaration of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation file It doesn't work because I want cppobject to.. This fails by forbidding the declaration of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation file It doesn't work because I want cppobject to persist between..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample question and posted it here . 4 OVERVIEW The most important bit which loads the text.txt from the cloud AppDelegate.h iCloudText #import UIKit UIKit.h @class ViewController @class MyTextDocument @interface AppDelegate UIResponder UIApplicationDelegate NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong.. @interface AppDelegate UIResponder UIApplicationDelegate NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h.. viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su change of view controllers without using navigation controller stack subviews or modal controllers NavigationControllers have ViewController stacks to manage and limited animation transitions. Adding a view controller as a sub view to an existing view controller requires passing events to the sub view.. transition animations that replace a view w a different view must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented a simple container class I called TransitionController . You can find it at https gist.github.com 1394947 . As an aside I prefer.. UIApplication application didFinishLaunchingWithOptions NSDictionary launchOptions self.window UIWindow alloc initWithFrame UIScreen mainScreen bounds MyViewController vc MyViewContoller alloc init... self.transitionController TransitionController alloc initWithViewController vc self.window.rootViewController self.transitionController..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view controller that can load different views depending on the question that needs to be answered. The way I'm doing this is Create the Question1View.. a as UIView subclass defining some IBOutlets. Create using Interface Builder the Question1View.xib HERE IS WHERE MY PROBLEM PROBABLY ARE . I set the both the ViewController and the View to be of class Question1View. I link the outlets with the view's component using IB . I override the initWithNib of my QuestionManagerViewController.. and the View to be of class Question1View. I link the outlets with the view's component using IB . I override the initWithNib of my QuestionManagerViewController to look like this id initWithNibName NSString nibNameOrNil bundle NSBundle nibBundleOrNil if self super initWithNibName @ Question1View bundle nibBundleOrNil Custom..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone need complete automation. ie your program on the iPhone sends a UDP packet to your server which sends the real SMS iOS 4 Update iOS 4 however now provides a viewcontroller you can import into your application. You prepopulate the SMS fields then the user can initiate the SMS send within the controller. Unlike using the sms ... url..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking be put where to enable what I want to do regardless if I want to know what I want to do or not. So frustrating Update This is what's going on. This is in my viewcontroller which I have the #import SystemConfiguration SystemConfiguration.h and #import Reachability.h set up with. This is my least favorite part of programming by far...
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers less reusable And more difficult to debug test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we.. down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure.. to listening observing.html Method #5 even indicates delegates as an method Except.... objects can only set one delegate at a time. So when I have multiple viewcontroller communication what am I to do Ok that's the set up gang. I know I can easily do my communication methods in the app delegate by reference's the multiple viewcontroller..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation height and width but that seems kludgey. Is there a property on the device or UIView that I'm missing iphone cocoa touch share improve this question In a viewcontroller you can simply use the code UIInterfaceOrientation interfaceOrientation self.interfaceOrientation The UIInterfaceOrientation is an enum typedef enum UIInterfaceOrientationPortrait..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller a parent view controller through a navigationcontroller Currently I add a viewcontroller using pushViewController animated and now from within that new one would like to call a method inside my parent controller. I think I get stuck at the navigationcontroller...
UISearchBar Sample Code [closed] http://stackoverflow.com/questions/1302962/uisearchbar-sample-code You only have to set a few simple parameters like the dataSource which is just an UITableViewDatasource and a viewController where the results have to been showed in . This gives you exactly the same look as the contacts application and all other..
Core-Data iPhone: could not locate an NSManagedObjectModel http://stackoverflow.com/questions/1632497/core-data-iphone-could-not-locate-an-nsmanagedobjectmodel persistentStoreCoordinator UIWindow window UINavigationController navigationController for the menu MenuViewController viewController IBAction saveAction sender for the menu @property nonatomic retain IBOutlet MenuViewController viewController @property.. viewController IBAction saveAction sender for the menu @property nonatomic retain IBOutlet MenuViewController viewController @property nonatomic retain readonly NSManagedObjectModel managedObjectModel @property nonatomic retain readonly NSManagedObjectContext.. @implementation CoreDataBooksAppDelegate @synthesize window @synthesize navigationController for the menu @synthesize viewController #pragma mark #pragma mark Application lifecycle void applicationDidFinishLaunching UIApplication application RootViewController..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app for your data model. Edit To clarify for your specific case you would add the call to the data model when the receiver viewController becomes active. Placing the data in an init method or a viewDidLoad won't work because in a tabbar the users can switch..
How to tell if UIViewController's view is visible http://stackoverflow.com/questions/2777438/how-to-tell-if-uiviewcontrollers-view-is-visible be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view.. see if it is already loaded. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check.. I've added the call to isViewLoaded to avoid this problem. if viewController.isViewLoaded viewController.view.window viewController is visible Or if you have a UINavigationController managing the view controllers you could check its visibleViewController..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions in landscape mode causing half of the screen to stay blank. presentModalViewController in landscape after portrait viewController Modal views are not correctly rendered either. A set of different solutions have been presented some of them including completely..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui release b release iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal to always return NO BOOL disablesAutomaticKeyboardDismissal..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview CGImageRelease bitmapContext return the image return theImage Now you just need few lines of code. I put stuff in my viewController viewDidLoad method because it's faster but you can use it also in your custom UIView with the layoutSubviews method in example...
iOS: Using device modifiers for loading xib files? http://stackoverflow.com/questions/5191472/ios-using-device-modifiers-for-loading-xib-files via initWithNibName bundle . So for example I can have MyView.xib and MyView~ipad.xib and this code MyViewController viewController MyViewController alloc initWithNibName @ MyView bundle nil ... will totally load MyView~ipad.xib on an iPad and MyView.xib..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root ^1 but appears to be unsupported according to the SDK documentation for pushViewController animated emphasis added viewController The view controller that is pushed onto the stack. It cannot be an instance of tab bar controller. I would like to avoid..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's implementation call the delegate methods as required. ChildViewController.m.. YES Implement the delegate methods for ChildViewControllerDelegate void childViewController ChildViewController viewController didChooseValue CGFloat value Do something with value... ...then dismiss the child view controller self.navigationController..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h.. #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release super dealloc void loadData.. #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document _document void dealloc _window release _viewController release super dealloc void loadData NSMetadataQuery..
Sound stop playing [duplicate] http://stackoverflow.com/questions/8094557/sound-stop-playing release iphone ios4 memory audio sounds share improve this question Declare your AVAudioPlayer in the header the viewController don't alloc a new one each time you play a sound . That way you will have a pointer you can use in a StopAudio method. @interface..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su assigned as the rootViewController of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code.. of your window When you switch to a new view you want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified.. want to replace the current viewController with the viewController owning the new view. At any time only the current viewController is alive e.g. alloc'ed . The code can be easily modified to work differently the key point is the animated transition and..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder the view outlet was not set.' Im sure there is a way to load the view using the nib file without needing to create a viewController class. Any ideas Thanks Gonso iphone objective c ios cocoa touch interface builder share improve this question There..
Iphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key for NSString and you may well modify it and make it work for NSData Add Security.Framework to your project bundle. ViewController.h code is as follows #import UIKit UIKit.h #import Security Security.h @interface ViewController UIViewController SecKeyRef.. your project bundle. ViewController.h code is as follows #import UIKit UIKit.h #import Security Security.h @interface ViewController UIViewController SecKeyRef publicKey SecKeyRef privateKey NSData publicTag NSData privateTag void encryptWithPublicKey uint8_t.. ViewController.h code is as follows #import UIKit UIKit.h #import Security Security.h @interface ViewController UIViewController SecKeyRef publicKey SecKeyRef privateKey NSData publicTag NSData privateTag void encryptWithPublicKey uint8_t plainBuffer..
iOS - Passing variable to view controller http://stackoverflow.com/questions/11272864/ios-passing-variable-to-view-controller I just tried creating a property for one of the labels and calling that from the calling class. For example SetTeamsViewController vc SetTeamsViewController alloc init vc.myLabel.text self.teamCount self presentModalViewController vc animated YES vc release.. property for one of the labels and calling that from the calling class. For example SetTeamsViewController vc SetTeamsViewController alloc init vc.myLabel.text self.teamCount self presentModalViewController vc animated YES vc release However this didn't.. example SetTeamsViewController vc SetTeamsViewController alloc init vc.myLabel.text self.teamCount self presentModalViewController vc animated YES vc release However this didn't work. So I tried creating a convenience initializer. SetTeamsViewController..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar this question I edited this to provide the definitive answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc.. answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered..
In iOS6, trouble forcing ViewController to certain interfaceOrientation when pushed on stack http://stackoverflow.com/questions/15300819/in-ios6-trouble-forcing-viewcontroller-to-certain-interfaceorientation-when-pus iOS6 trouble forcing ViewController to certain interfaceOrientation when pushed on stack I have the following view controller set up viewController1 is able.. and put the following in it UIInterfaceOrientation preferredInterfaceOrientationForPresentation return self.topViewController preferredInterfaceOrientationForPresentation NSUInteger supportedInterfaceOrientations return self.topViewController supportedInterfaceOrientations.. preferredInterfaceOrientationForPresentation NSUInteger supportedInterfaceOrientations return self.topViewController supportedInterfaceOrientations BOOL shouldAutorotate return self.topViewController shouldAutorotate I've tried a lot of..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript and I want to call a view in Objective C from JavaScript. Does someone know how I can do this I have this code in my ViewController BOOL webView UIWebView webView2 shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType navigationType..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview being relayed to my UITableView I can still select cells and they respond properly by triggering a transition to a new ViewController object. But I can not scroll the UITableView despite passing the touchesBegan touchesMoved and touchesEnded events. iphone..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class single interface class between the Objective C and C code. Therefore I would like to have a persistent C object in the ViewController interface. This fails by forbidding the declaration of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import.. the declaration of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation file It.. of 'myCppFile' with no type #import UIKit UIKit.h #import GLView.h #import myCppFile.h @interface GLViewController UIViewController GLViewDelegate myCppFile cppobject @end However this works just fine in the .mm implementation file It doesn't work because..
How do you dismiss the keyboard when editing a UITextField http://stackoverflow.com/questions/274319/how-do-you-dismiss-the-keyboard-when-editing-a-uitextfield watch for iphone cocoa touch uitextfield share improve this question I set the delegate of the UITextField to my ViewController class. In that class I implimented this method BOOL textFieldShouldReturn UITextField textField textField resignFirstResponder..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample The most important bit which loads the text.txt from the cloud AppDelegate.h iCloudText #import UIKit UIKit.h @class ViewController @class MyTextDocument @interface AppDelegate UIResponder UIApplicationDelegate NSMetadataQuery _query @property strong nonatomic.. UIApplicationDelegate NSMetadataQuery _query @property strong nonatomic UIWindow window @property strong nonatomic ViewController viewController @property strong nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import.. nonatomic MyTextDocument document @end AppDelegate.m iCloudText #import AppDelegate.h #import MyTextDocument.h #import ViewController.h @implementation AppDelegate @synthesize window _window @synthesize viewController _viewController @synthesize document..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su view controllers without using navigation controller stack subviews or modal controllers NavigationControllers have ViewController stacks to manage and limited animation transitions. Adding a view controller as a sub view to an existing view controller.. w a different view must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented a simple container class I called TransitionController . You can find it at https gist.github.com.. NSDictionary launchOptions self.window UIWindow alloc initWithFrame UIScreen mainScreen bounds MyViewController vc MyViewContoller alloc init... self.transitionController TransitionController alloc initWithViewController vc self.window.rootViewController..
Storyboard - refer to ViewController in AppDelegate http://stackoverflow.com/questions/8186375/storyboard-refer-to-viewcontroller-in-appdelegate refer to ViewController in AppDelegate consider the following scenario I have a storyboard based app. I add a ViewController object to the storyboard.. refer to ViewController in AppDelegate consider the following scenario I have a storyboard based app. I add a ViewController object to the storyboard add the class files for this ViewController into the project and specify the name of the new class.. scenario I have a storyboard based app. I add a ViewController object to the storyboard add the class files for this ViewController into the project and specify the name of the new class in the IB identity inspector. Now how am I going to refer to this..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view controller that can load different views depending on the question that needs to be answered. The.. Create using Interface Builder the Question1View.xib HERE IS WHERE MY PROBLEM PROBABLY ARE . I set the both the ViewController and the View to be of class Question1View. I link the outlets with the view's component using IB . I override the initWithNib.. Question1View. I link the outlets with the view's component using IB . I override the initWithNib of my QuestionManagerViewController to look like this id initWithNibName NSString nibNameOrNil bundle NSBundle nibBundleOrNil if self super initWithNibName..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone on the iPhone sends a UDP packet to your server which sends the real SMS iOS 4 Update iOS 4 however now provides a viewcontroller you can import into your application. You prepopulate the SMS fields then the user can initiate the SMS send within the..
How to add an UIViewController's view as subview http://stackoverflow.com/questions/1486832/how-to-add-an-uiviewcontrollers-view-as-subview as subview I have a ViewController which controls many subviews. When I click one of the buttons I initialize another viewcontroller and show it's view as the subview of this view. However the subview exceeds the bounds of the frame for subview and infact.. touched within the subview frame bounds . How can I resize the frame to fit as subview. In short I need help adding a viewcontroller's view as a subview to another viewcontroller's view. Thanks iphone uiview uiviewcontroller share improve this question.. can I resize the frame to fit as subview. In short I need help adding a viewcontroller's view as a subview to another viewcontroller's view. Thanks iphone uiview uiviewcontroller share improve this question As of iOS 5 Apple now allows you to make..
How to access a property of a viewcontroller from another one? iPhone http://stackoverflow.com/questions/15063078/how-to-access-a-property-of-a-viewcontroller-from-another-one-iphone to access a property of a viewcontroller from another one iPhone I define a property in the viewcontroller A @property nonatomic BOOL updateOnServer and also synthesize.. to access a property of a viewcontroller from another one iPhone I define a property in the viewcontroller A @property nonatomic BOOL updateOnServer and also synthesize it give it values and then I try to access this variable from.. BOOL updateOnServer and also synthesize it give it values and then I try to access this variable from another viewcontroller B like this A view A alloc init if view.updateOnServer but it isn't working. updateOnServer is always NO. Does anybody have..
Xcode 5 without Storyboard and ARC http://stackoverflow.com/questions/17234172/xcode-5-without-storyboard-and-arc ios storyboard ios7 xcode5 share improve this question Create a project with an Empty application and Add any viewcontroller i added TestViewController here BOOL application UIApplication application didFinishLaunchingWithOptions NSDictionary launchOptions..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking do regardless if I want to know what I want to do or not. So frustrating Update This is what's going on. This is in my viewcontroller which I have the #import SystemConfiguration SystemConfiguration.h and #import Reachability.h set up with. This is my least..
iPhone - allow landscape orientation on just one viewcontroller http://stackoverflow.com/questions/2144520/iphone-allow-landscape-orientation-on-just-one-viewcontroller allow landscape orientation on just one viewcontroller I have a navigation based application in which I would like just one of the viewcontrollers to support landscape orientation... orientation on just one viewcontroller I have a navigation based application in which I would like just one of the viewcontrollers to support landscape orientation. For that viewcontroller vc1 in shouldAutorotate I am returning YES for all orientations.. based application in which I would like just one of the viewcontrollers to support landscape orientation. For that viewcontroller vc1 in shouldAutorotate I am returning YES for all orientations and in the other controllers I am returning YES only for..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app The best way corresponding to a clean model approach would be to call some initWithObject method on the called viewcontroller. How can I achieve this How can I call the init method of the receivercontroller within the callercontroller Can you give.. the data beeing shared between several classes. For more information follow the link Singleton iphone objective c uiviewcontroller uitabbarcontroller share improve this question You need a data model object that stores the data for application. A..
Where Does A UIAlertView Live While Not Dismissed http://stackoverflow.com/questions/2715534/where-does-a-uialertview-live-while-not-dismissed you can see that the UIAlertView is in a separate window that overlays the main window. Here I have a navbar with a viewcontroller and a tableview I removed its subviews since they're not relevent . UIWindow 0x411fd50 frame 0 0 320 480 opaque NO autoresize..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further.. your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page.. even indicates delegates as an method Except.... objects can only set one delegate at a time. So when I have multiple viewcontroller communication what am I to do Ok that's the set up gang. I know I can easily do my communication methods in the app delegate..
How to programmatically determine iPhone interface orientation? http://stackoverflow.com/questions/634745/how-to-programmatically-determine-iphone-interface-orientation Is there a property on the device or UIView that I'm missing iphone cocoa touch share improve this question In a viewcontroller you can simply use the code UIInterfaceOrientation interfaceOrientation self.interfaceOrientation The UIInterfaceOrientation..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller a parent view controller through a navigationcontroller Currently I add a viewcontroller using pushViewController animated and now from within that new one would like to call a method inside my parent controller...
How can I manually switch between UIViewControllers in storyboard? http://stackoverflow.com/questions/8348109/how-can-i-manually-switch-between-uiviewcontrollers-in-storyboard RollButtonPressed id sender @property weak nonatomic IBOutlet UIButton AttackButtonPressed @end iphone ios xcode uiviewcontroller ios5 share improve this question I'm guessing that you are using a UINavigationController . Then you can simply do like.. controller animated YES Update If you are using a UIStoryboard you can set the identifier of your new viewcontroller and then push it onto your navigationController. To set the identifier choose your view open the Attributes Inspector and..
Does storyboard eliminate the need for .nib http://stackoverflow.com/questions/8495179/does-storyboard-eliminate-the-need-for-nib I wouldn't select to create a .xib .nib when I create a subclass of UIViewController because I can just drag out a viewcontroller in interface builder and assign it to the new class. So with storyboard when would i need to use the .xib .nib file Thank..
UIModalTransitionStylePartialCurl doesn't get back to previous state. (Not dismissing) http://stackoverflow.com/questions/8606674/uimodaltransitionstylepartialcurl-doesnt-get-back-to-previous-state-not-dismi this problem Moreover why doesn't it dismiss the B view controller and get back to A iphone objective c ios modalviewcontroller presentmodalviewcontrolle share improve this question Here is the link to Apple site for the Modal View Controllers.. Controllers Basically you need to setup delegate etc. And call dismissModalViewControllerAnimated method from your viewcontroller A. Let me know if you need further help. Edit per MiiChiel In BController.h file add this @protocol BControllerDelegate..
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