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2014/10/15 ¤U¤È 10:04:19
iphone Programming Glossary: automaticallyHow to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done.. scrollView.frame.size.width scrollView.frame.size.height 215 50 resize However this doesn't automatically move up or center the lower text fields in the visible area which is what I would really like. iphone..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property nonatomic int.. generate the accessor methods without you having to use @synthesize . The default name for the automatically generated ivar is the name or your property starting with an underscore. You can change the generated..
IOS 6 force device orientation to landscape http://stackoverflow.com/questions/12640870/ios-6-force-device-orientation-to-landscape rotating the device the orientation changes just ok. But I need to make the controller to rotate automatically to landscape on load thus the user will have to rotate the device to see the data correctly. Another..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot below but it doesn't. Trying to add the contact..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard and UITextViews have an inputAccessoryView property which you can set to any view that is automatically displayed above and animated with the keyboard. Note that the view you use should neither be in the..
Do I need to disable NSLog before release Application? http://stackoverflow.com/questions/2025471/do-i-need-to-disable-nslog-before-release-application get debug messages. When you're ready to release a beta or final release all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables or commenting..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari to disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen find it useful. Yes. In iPhone iPad development the Default.png file is displayed by the device automatically so you don't have to program it which is really useful. I don't have it with me but you need different..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav for each controller This works as expected as I navigate forward in the hierarchy the popover automatically animates size changes to correspond to the pushed controller. However when I navigate Back through the..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically strip those calls out when building my Release Distribution builds. Should I avoid using this If so..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued. Whenever the user start zooming I acquire the CGPDFPage and render..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell for sections that contain one cell. Unfortunately I couldn't figure out how to have this mode set automatically so I had to set it in the UITableViewDataSource's cellForRowAtIndexPath method. It's a real PITA but..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd other than the main queue Grand central dispatch will manage an autorelease pool per queue automatically. However there are no guarantees as to when the pool will be drained it may be after one block is processed..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events check something. The doc says that all background tasks VoIP audio location updates will be automatically restarted in background if the app was terminated. VoIP apps will be started in background automatically.. restarted in background if the app was terminated. VoIP apps will be started in background automatically after bootup With abusing this behavior you can make your app be looking like running forever . Register..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app is removed. The home button is disabled and the device returns to the specified application automatically upon wake or reboot. Read more about it here https developer.apple.com library ios featuredarticles..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample Will this work for non iCloud users As I understand iCloud it will save a local copy of text.txt automatically. So there shouldn't be any need for me save anything into the 'old' sandbox of my app i.e. as it used..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present and the trick is to programatically set the content size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what.. CGRectMake scrollView.frame.origin.x scrollView.frame.origin.y scrollView.frame.size.width scrollView.frame.size.height 215 50 resize However this doesn't automatically move up or center the lower text fields in the visible area which is what I would really like. iphone objective c ios share improve this question You will..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec myClass setMyVar v 1 Because manually declaring and implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property nonatomic int myVar @end MyClass.m @implementation MyClass @synthesize myVar.. an ivar the compiler will add it for you and it will also generate the accessor methods without you having to use @synthesize . The default name for the automatically generated ivar is the name or your property starting with an underscore. You can change the generated ivar's name by using @synthesize myVar iVarName MyClass.h..
IOS 6 force device orientation to landscape http://stackoverflow.com/questions/12640870/ios-6-force-device-orientation-to-landscape On load the controller keeps staying in portrait. After rotating the device the orientation changes just ok. But I need to make the controller to rotate automatically to landscape on load thus the user will have to rotate the device to see the data correctly. Another problem after rotating the device back to portrait the orientation..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts fixing this issue http www.cultofmac.com 179733 19 of ios apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot below but it doesn't. Trying to add the contact just fails with ABAddressBookErrorDomain error 1 . Do I..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard As of iOS 3.2 there's a new way to achieve this effect UITextFields and UITextViews have an inputAccessoryView property which you can set to any view that is automatically displayed above and animated with the keyboard. Note that the view you use should neither be in the view hierarchy elsewhere nor should you add it to some superview..
Do I need to disable NSLog before release Application? http://stackoverflow.com/questions/2025471/do-i-need-to-disable-nslog-before-release-application of NSLog use DLog everywhere. When testing and debugging you'll get debug messages. When you're ready to release a beta or final release all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables or commenting of NSLogs required. Picking your build target takes care of..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari to disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen on Apple's doco and placed it on my blog . I hope you guys find it useful. Yes. In iPhone iPad development the Default.png file is displayed by the device automatically so you don't have to program it which is really useful. I don't have it with me but you need different PNGs for the iPad with specific names. I googled iPad default..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav setContentSizeForViewInPopover CGSizeMake 320 500 size different for each controller This works as expected as I navigate forward in the hierarchy the popover automatically animates size changes to correspond to the pushed controller. However when I navigate Back through the view stack via the navigation bar's Back button the popover..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically strip those calls out when building my Release Distribution builds. Should I avoid using this If so what alternatives are most common between experienced Objective..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation ivar iphone objective c share improve this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued. Whenever the user start zooming I acquire the CGPDFPage and render it using the appropriate CTM. The code in void drawLayer CALayer..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell in the middle of a section and rounded on all 4 corners for sections that contain one cell. Unfortunately I couldn't figure out how to have this mode set automatically so I had to set it in the UITableViewDataSource's cellForRowAtIndexPath method. It's a real PITA but I've confirmed with Apple engineers that this is currently..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd an NSAutoreleasePool within each block you dispatch to anything other than the main queue Grand central dispatch will manage an autorelease pool per queue automatically. However there are no guarantees as to when the pool will be drained it may be after one block is processed it may be after hundreds but probably won't be . So..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events for nearly 30 seconds. This is useful code if you must sometimes check something. The doc says that all background tasks VoIP audio location updates will be automatically restarted in background if the app was terminated. VoIP apps will be started in background automatically after bootup With abusing this behavior you can make your.. background tasks VoIP audio location updates will be automatically restarted in background if the app was terminated. VoIP apps will be started in background automatically after bootup With abusing this behavior you can make your app be looking like running forever . Register for one background process i.e. VoIP . This will cause..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app the device is locked to a single application until the payload is removed. The home button is disabled and the device returns to the specified application automatically upon wake or reboot. Read more about it here https developer.apple.com library ios featuredarticles iPhoneConfigurationProfileRef Introduction Introduction.html#..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample which will also save a local copy of text.txt into my sandbox Will this work for non iCloud users As I understand iCloud it will save a local copy of text.txt automatically. So there shouldn't be any need for me save anything into the 'old' sandbox of my app i.e. as it used to be in the old pre iCloud days . Right now my sandbox is..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present the content size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder... scrollView.frame.origin.y scrollView.frame.size.width scrollView.frame.size.height 215 50 resize However this doesn't automatically move up or center the lower text fields in the visible area which is what I would really like. iphone objective c ios ..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec declaring and implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property nonatomic int myVar @end MyClass.m.. you and it will also generate the accessor methods without you having to use @synthesize . The default name for the automatically generated ivar is the name or your property starting with an underscore. You can change the generated ivar's name by using..
IOS 6 force device orientation to landscape http://stackoverflow.com/questions/12640870/ios-6-force-device-orientation-to-landscape in portrait. After rotating the device the orientation changes just ok. But I need to make the controller to rotate automatically to landscape on load thus the user will have to rotate the device to see the data correctly. Another problem after rotating..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts 179733 19 of ios apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot below but it doesn't. Trying to add the contact just fails with..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard this effect UITextFields and UITextViews have an inputAccessoryView property which you can set to any view that is automatically displayed above and animated with the keyboard. Note that the view you use should neither be in the view hierarchy elsewhere..
Do I need to disable NSLog before release Application? http://stackoverflow.com/questions/2025471/do-i-need-to-disable-nslog-before-release-application and debugging you'll get debug messages. When you're ready to release a beta or final release all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables or commenting of NSLogs required...
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari to disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen blog . I hope you guys find it useful. Yes. In iPhone iPad development the Default.png file is displayed by the device automatically so you don't have to program it which is really useful. I don't have it with me but you need different PNGs for the iPad..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav 320 500 size different for each controller This works as expected as I navigate forward in the hierarchy the popover automatically animates size changes to correspond to the pushed controller. However when I navigate Back through the view stack via the..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically strip those calls out when building my Release Distribution builds. Should I avoid using this If so what alternatives are..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued. Whenever the user start zooming I acquire the CGPDFPage and render it using the appropriate..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell on all 4 corners for sections that contain one cell. Unfortunately I couldn't figure out how to have this mode set automatically so I had to set it in the UITableViewDataSource's cellForRowAtIndexPath method. It's a real PITA but I've confirmed with..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd you dispatch to anything other than the main queue Grand central dispatch will manage an autorelease pool per queue automatically. However there are no guarantees as to when the pool will be drained it may be after one block is processed it may be after..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events code if you must sometimes check something. The doc says that all background tasks VoIP audio location updates will be automatically restarted in background if the app was terminated. VoIP apps will be started in background automatically after bootup With.. will be automatically restarted in background if the app was terminated. VoIP apps will be started in background automatically after bootup With abusing this behavior you can make your app be looking like running forever . Register for one background..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app until the payload is removed. The home button is disabled and the device returns to the specified application automatically upon wake or reboot. Read more about it here https developer.apple.com library ios featuredarticles iPhoneConfigurationProfileRef..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample into my sandbox Will this work for non iCloud users As I understand iCloud it will save a local copy of text.txt automatically. So there shouldn't be any need for me save anything into the 'old' sandbox of my app i.e. as it used to be in the old pre..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView..
Read iPhone Settings Programmatically (Precisely Settings->General->Date & Time->Set Automatically) http://stackoverflow.com/questions/13652320/read-iphone-settings-programmatically-precisely-settings-general-date-time iPhone Settings Programmatically Precisely Settings General Date Time Set Automatically We are developing an iPhone application for which i need to read iPhone Settings value precisely the status of 'Settings.. application for which i need to read iPhone Settings value precisely the status of 'Settings General Date Time Set Automatically' . Is there any way easy difficult way to find out that value Any tips and tricks will be highly appreciated. iphone ios..
Is there any way to get the tamper-proof date and time on iPhone? http://stackoverflow.com/questions/17560195/is-there-any-way-to-get-the-tamper-proof-date-and-time-on-iphone settings. The iPhone definitely has an internal tamper proof time and date as shown when date time reverts after Set Automatically in Settings General Time Date is turned back to on even in a fallout shelter. What I want to know is how to access this..
Automatically Sizing UIView after Adding to Window http://stackoverflow.com/questions/2659400/automatically-sizing-uiview-after-adding-to-window Sizing UIView after Adding to Window Note This may be a duplicate of Subview Doesnt AutoSize When Added to Root View Controller..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 4 # # Version 2.7 # # Latest Change # Supports iPhone 5 iPod Touch 5 uses Apple's workaround to lipo bug # # Purpose # Automatically create a Universal static library for iPhone iPad iPhone Simulator from within XCode # # Author Adam Martin http twitter.com..
RESTful frameworks for Android, iOS…? http://stackoverflow.com/questions/4097686/restful-frameworks-for-android-ios from Novoda Carl Gustaf Harroch Providers offer an abstraction from data sources on Android and the RESTProvider Automatically parses RESTful API responses into a Provider. RESTProvider is an implementation of all commonly re implemented functionality..
MKMapView moving Annotations Automatically - animate them? http://stackoverflow.com/questions/4113085/mkmapview-moving-annotations-automatically-animate-them moving Annotations Automatically animate them I have a data set of annotations that can update very quickly. At the moment I remove all annotations before..
Automatically adding generated source files to an xcode project http://stackoverflow.com/questions/4965077/automatically-adding-generated-source-files-to-an-xcode-project adding generated source files to an xcode project I am using an IDL which automatically generates source files for my xcode..
Take Photo's Automatically - iPhone http://stackoverflow.com/questions/4966134/take-photos-automatically-iphone Photo's Automatically iPhone I'm trying to perform the task of taking a picture but triggered by code instead of relying on the touching of the..
iOS Low Memory Crash, but very low memory usage http://stackoverflow.com/questions/5980636/ios-low-memory-crash-but-very-low-memory-usage Run with the Allocations performance tool. Click the VM Tracker row under Allocations in the screenshot Click Snapshot Automatically Then you will see your Dirty memory currently 20.34MB in my screenshot . This should give you a much better picture of why..
Xcode 4.2. gets stuck “Attaching to myapp” when running http://stackoverflow.com/questions/8021426/xcode-4-2-gets-stuck-attaching-to-myapp-when-running Projects select your app in the left hand side and then delete over Derived Data 6 Check Launch option is set to Automatically in Product Edit Scheme Run scheme. 7 In Project Edit Schemes Run. Change the Debugger from GDB to None this doesn't make..
Transfer files between 2 iPhones over wifi? http://stackoverflow.com/questions/8637598/transfer-files-between-2-iphones-over-wifi and it will call you with new instances of itself for each connection. Support for TCP streams over IPv4 and IPv6. Automatically connect to IPv4 or IPv6 hosts. Automatically accept incoming connections over both IPv4 and IPv6 with a single instance.. itself for each connection. Support for TCP streams over IPv4 and IPv6. Automatically connect to IPv4 or IPv6 hosts. Automatically accept incoming connections over both IPv4 and IPv6 with a single instance of this class. No more worrying about multiple..
Store an encryption key in Keychain while application installation process http://stackoverflow.com/questions/886893/store-an-encryption-key-in-keychain-while-application-installation-process their phone number Are you trying to automate grabbing the phone number or do you let the user enter it themselves Automatically grabbing the phone number through the private APIs or the non private but undocumented configuration data and sending that..
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