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2014/10/15 ¤U¤È 10:11:04
iphone Programming Glossary: likeHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came.. of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and Reachability.m..
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 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 needs it. Note the UIView or UIScrollView that I'm working with is brought.. I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've.. 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 need a scroll view if the contents..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail.. for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing.. via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes key array dict key CFBundleTypeIconFiles..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit.. app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible I found these links http discussions.apple.com thread.jspa messageID 8304744.. t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight out that it's not..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation.. NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could.. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it.. to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and Reachability.m files to something else to resolve the issue. share improve..
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 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 needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which needs to function as normal... a tabbar UITabBar which needs to function as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've got it working where I change the frame size of the UIScrollView.. 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 need a scroll view if the contents you have now does not fit in the iPhone screen. If you are..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height if it's present as there seems to be..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications.. type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios cocoa touch ipad share improve this.. handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes key array dict key CFBundleTypeIconFiles key array string Document molecules 320.png string string Document..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible I found these links.. font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible I found these links http discussions.apple.com thread.jspa messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these.. thread.jspa messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight out that it's not possible but without justification so I'm looking for a definitive..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end.. that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of MyClass and assign it as the window's.. but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an interface..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to.. class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and Reachability.m files to something..
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 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 needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar.. as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've got it working where.. 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 need a scroll view if the contents you have now does not..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application apps when it encounters an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system.. work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios.. types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes key array dict key CFBundleTypeIconFiles key array string Document..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel... like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible I found these links http discussions.apple.com thread.jspa messageID 8304744 http forums.macrumors.com.. showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight out that it's not possible but without..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove.. suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of.. approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification notification ... other methods..
Does an IBOutlet needs to be a property & synthesized? http://stackoverflow.com/questions/1221516/does-an-iboutlet-needs-to-be-a-property-synthesized @end FooController.m @implementation FooController @end Are there any downsides of defining IBOutlets as in Example B Like memory leaks Seems to work fine and I prefer to not expose the IBOutlets as public properties as they are not used as such..
How to implement Daemon process for background task in iphone sdk 3.0? [closed] http://stackoverflow.com/questions/1413154/how-to-implement-daemon-process-for-background-task-in-iphone-sdk-3-0 to implement Daemon process for background task in iphone sdk 3.0 closed Like qik.com or ustream.com when they upload content from iphone to server it works via daemon . So even when out of the app..
Objective c - How to autoplay a youtube video in a UIWebView http://stackoverflow.com/questions/15717754/objective-c-how-to-autoplay-a-youtube-video-in-a-uiwebview the video will start playing. So user has to tap two buttons until the video starts not the best user experience... Like I said I saw many posts about this issue some not work at all and some works but with some issues that bugs me. One of the..
Strange problem comparing floats in objective-C http://stackoverflow.com/questions/1614533/strange-problem-comparing-floats-in-objective-c the if statement is not fulfilled and the code not executed I found out that I can fix this by casting 0.1 to float. Like this if self.scroller.currentValue float 0.1 This works fine. Can anyone explain to my why this is happening Is 0.1 defined..
XCode 5 Crashes on AppStore Validation http://stackoverflow.com/questions/18913964/xcode-5-crashes-on-appstore-validation matching signing identity somehow the previously created provisioning profile is not compatible or is not recognized. Like mentioned by Manthan creating a new provisioning profile resolves this problem. Here are the steps to do this Log into https..
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk ipad share improve this question You can still use the UITableView for this and you would not need to subclass it. Like you said all you have to do is create your own custom cell which it is not complicated. Not messy at all share improve..
http://stackoverflow.com/questions/2337408/addsubview-animation doesn't animate itself any way it just appears immediately. How can I add some kind of animation when newView appears Like zoom or slide down or something like that. Is there some simple code iphone animation uiview share improve this question..
Adding the Facebook Like Button in an iPhone App http://stackoverflow.com/questions/2783803/adding-the-facebook-like-button-in-an-iphone-app the Facebook Like Button in an iPhone App Does anyone know how I would include a facbeook like button in an iphone app. I tried calling the.. Check out this nice bit of code http angelolloqui.blogspot.com 2010 11 facebook like button on ios.html Add the FBLikeButton class to your view FBLikeButton likeButton FBLikeButton alloc initWithFrame CGRectMake 0 372 320 44 andUrl @ http.. code http angelolloqui.blogspot.com 2010 11 facebook like button on ios.html Add the FBLikeButton class to your view FBLikeButton likeButton FBLikeButton alloc initWithFrame CGRectMake 0 372 320 44 andUrl @ http www.facebook.com pages De Zilk 108209735867960..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down finger moves and it ends UIGestureRecognizerStateEnded when any of the fingers are lifted. Now You Can Track The State Like This void handleLongPress UILongPressGestureRecognizer sender if sender.state UIGestureRecognizerStateEnded NSLog @ UIGestureRecognizerStateEnded..
remove styling of telephone numbers http://stackoverflow.com/questions/3736807/remove-styling-of-telephone-numbers numbers Is there a way to remove the default blue hyperlink colour from a telephone number when viewed on an iPhone Like a specific Mobile Safari tag or CSS to add I only have this in place for the number p id phone text Call us on strong 44..
UISwitch in a UITableView cell http://stackoverflow.com/questions/3770019/uiswitch-in-a-uitableview-cell it up in tableView cellForRowAtIndexPath You may want to use target action to so something when the switch is flipped. Like so UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath switch indexPath row case..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android that devices might silently reject it leaving one with an empty input field when trying to show an existing value. Like using the date picker on a Galaxy S2 running Android 4.0.3 might itself set the input to 2012 6 1 for June 1st. However.. to display the native date picker on devices that don't support type date Be sure to properly detect built in support. Like on the Galaxy S2 running Android 4.0.3 erroneously also using the Cordova Android plugin will result in showing the date..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c Since the view swizzling takes place first the control swizzling will be able to pull up the right method. Likewise since the control swizzling was before the button swizzling the button will pull up the control's swizzled implementation.. Method swizzling is safe if used properly. A simple safety measure you can take is to only swizzle in load . Like many things in programming it can be dangerous but understanding the consequences will allow you use it properly. 1 Using..
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log Xcode 4 build artefacts ~ Library Application Support iPhone Simulator file system for the iPhone Simulator Like this See this blog post for additional detail. Update from a comment by joerick This works but it also meant that Instruments.app..
How to invoke iPhone Maps for Directions with Current Location as Start Address http://stackoverflow.com/questions/576768/how-to-invoke-iphone-maps-for-directions-with-current-location-as-start-address current location but with that lat long pair you can get Maps to route you from there to a street address or location. Like so CLLocationCoordinate2D currentLocation self getCurrentLocation this uses an address for the destination. can use lat..
Save An Image To Application Documents Folder From UIView On IOS http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios info Handle Save Button void save Get Info From UI self.referringObject setValue self.myInfo.text forKey @ myInfo Like I said earlier I have tried several methods to get this to work but can't get a grasp on it. For the first time in my life..
How can we programmatically detect which iOS version is device running on? [duplicate] http://stackoverflow.com/questions/7848766/how-can-we-programmatically-detect-which-ios-version-is-device-running-on iOS Version Those macros do exist in github see https github.com carlj CJAMacros blob master CJAMacros CJAMacros.h Like this #define SYSTEM_VERSION_EQUAL_TO v UIDevice currentDevice systemVersion compare v options NSNumericSearch NSOrderedSame..
How do I start playing audio when in silent mode & locked in iOS 6? http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6 Can also go agains apple policy. Comments This can work I a lot of situations but is by far not ideal. And since Like I say again there has to be another method that is not documented. Conclussions Thus Far Testing with the listed APPs suggests..
Querying Core Data with Predicates - iPhone http://stackoverflow.com/questions/1019070/querying-core-data-with-predicates-iphone UISearchBar searchBar if self.searchBar.text nil NSPredicate predicate NSPredicate predicateWithFormat @ name LIKE @ self.searchBar.text fetchedResultsController.fetchRequest setPredicate predicate else NSPredicate predicate NSPredicate..
To Autorelease or Not to Autorelease http://stackoverflow.com/questions/2165619/to-autorelease-or-not-to-autorelease and sort orderings... NSNumber minimumSalary ... NSPredicate predicate NSPredicate predicateWithFormat @ lastName LIKE c 'Worsley' AND salary @ minimumSalary request setPredicate predicate NSSortDescriptor sortDescriptor NSSortDescriptor alloc..
NSPredicate that is the equivalent of SQL's LIKE http://stackoverflow.com/questions/2740933/nspredicate-that-is-the-equivalent-of-sqls-like that is the equivalent of SQL's LIKE I'm looking for a way to use NSPredicate to set a LIKE condition to fetch objects. In addition to that an OR would be useful.. that is the equivalent of SQL's LIKE I'm looking for a way to use NSPredicate to set a LIKE condition to fetch objects. In addition to that an OR would be useful as well. I'm trying to do something where if a user.. if a user searches James I can write an NSPredicate that will do the equivalent of select from users where firstname LIKE ' James ' OR lastname LIKE ' James ' iphone cocoa cocoa touch core data nspredicate share improve this question NSString..
Custom UISegmentedControl like the Scope control in UISearchBar http://stackoverflow.com/questions/9169095/custom-uisegmentedcontrol-like-the-scope-control-in-uisearchbar like this please notice the appearance this is not related with UISearchBar I just want to make it LOOKS LIKE the scope buttons in UISearchBar. iphone uisearchbar uisegmentedcontrol share improve this question Try this mySegmentedBar.segmentedControlStyle..
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