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2014/10/15 ¤U¤È 10:07:28
iphone Programming Glossary: downHow 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 this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites.. currentReachabilityStatus switch internetStatus case NotReachable NSLog @ The internet is down. self.internetActive NO break case ReachableViaWiFi NSLog @ The internet is working via WIFI. self.internetActive.. switch hostStatus case NotReachable NSLog @ A gateway to the host server is down. self.hostActive NO break case ReachableViaWiFi NSLog @ A gateway to the host server is working via..
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 class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other EDIT I now know that you want.. got it working where I change the frame size of the UIScrollView when the keyboard goes up and down. I'm simply using void textFieldDidBeginEditing UITextField textField Keyboard becomes visible scrollView.frame.. For showing the textfields without being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts ios ios6 contacts share improve this question As per this documentation on apple's site scroll down to Privacy in the middle of the page access to the address book must be granted before it can be access..
http://stackoverflow.com/questions/1388467/reading-epub-format files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip.. parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some.. for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your app's documents folder using the zip library..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the encryption part of the app that's where it crashes so I'm doing something wrong but I'm not sure..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key project that used to be here is now a broken link. iphone ios share improve this question I downloaded your project. The error you are getting is 'NSUnknownKeyException' reason ' UIViewController 0x3927310..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received and show up as bad access errors when running on the device. The best way to track these things down and a good idea anyway even if there are no apparent problems is to run the app in the Instruments tool..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel is to use CoreText and get similar results with a bit more of code. Interested people please look down the old answer. Now I am just being lazy so p _label setText text There is a couple of good introductory..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking nearly no energy. According to..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf Page 16 51 How Not To Share Data Global Variables or singletons.. Direct dependencies make your code 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..
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 which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent to the Aspect Fill option of UIImageView entirely.. enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help...
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor..
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 using the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an.. status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus switch internetStatus case NotReachable NSLog @ The internet is down. self.internetActive NO break case ReachableViaWiFi NSLog @ The internet is working via WIFI. self.internetActive YES break case ReachableViaWWAN NSLog @.. YES break NetworkStatus hostStatus hostReachable currentReachabilityStatus switch hostStatus case NotReachable NSLog @ A gateway to the host server is down. self.hostActive NO break case ReachableViaWiFi NSLog @ A gateway to the host server is working via WIFI. self.hostActive YES break case ReachableViaWWAN ..
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 shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other EDIT I now know that you want a UIView inside of a UIScrollView and the trick is to programatically.. then the user can scroll and change textboxes for example. I've got it working where I change the frame size of the UIScrollView when the keyboard goes up and down. I'm simply using void textFieldDidBeginEditing UITextField textField Keyboard becomes visible scrollView.frame CGRectMake scrollView.frame.origin.x scrollView.frame.origin.y.. scroll up when keyboard comes up then it's not needed. For showing the textfields without being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts request dialog How is that done iphone objective c ios ios6 contacts share improve this question As per this documentation on apple's site scroll down to Privacy in the middle of the page access to the address book must be granted before it can be access programmatically. Here is what I ended up doing. #import..
http://stackoverflow.com/questions/1388467/reading-epub-format a zip file of everything in the manifest plus a few extra files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse the manifest and then to display the.. a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some pointers if you're just starting out parse xml unzip To.. out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your app's documents folder using the zip library linked above 4 parse the XML file at META INF container.xml..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults myEncodedObject return obj Eeee sorry about all the code. Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the encryption part of the app that's where it crashes so I'm doing something wrong but I'm not sure what. Help would be appreciated again thank you I haven't..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key can generate the error I've encountered Editor's note The project that used to be here is now a broken link. iphone ios share improve this question I downloaded your project. The error you are getting is 'NSUnknownKeyException' reason ' UIViewController 0x3927310 setValue forUndefinedKey this class is not key value..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received during your emulator testing but is more likely to be released and show up as bad access errors when running on the device. The best way to track these things down and a good idea anyway even if there are no apparent problems is to run the app in the Instruments tool especially with the Leaks option. share improve this answer..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel show it just as plain text without attributes. The second is to use CoreText and get similar results with a bit more of code. Interested people please look down the old answer. Now I am just being lazy so p _label setText text There is a couple of good introductory blog posts here from guys at invasivecode that explain..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events task if you don't need it anymore. For my own experience I measured something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking nearly no energy. According to the userexperience this is a better approach. Maybe other Apps..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf Page 16 51 How Not To Share Data Global Variables or singletons This includes your application delegate Direct dependencies.. Variables or singletons This includes your application delegate Direct dependencies make your code 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..
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 view. If you click on any account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent to the Aspect Fill option of UIImageView entirely in code and then crop off anything that did not fit within a.. what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help. iphone ios image processing core graphics share improve..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now needs to always query the MAC of the same interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor . In most cases you should be able use it as a drop in replacement..
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 up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't.. internetReachable currentReachabilityStatus switch internetStatus case NotReachable NSLog @ The internet is down. self.internetActive NO break case ReachableViaWiFi NSLog @ The internet is working via WIFI. self.internetActive YES.. hostReachable currentReachabilityStatus switch hostStatus case NotReachable NSLog @ A gateway to the host server is down. self.hostActive NO break case ReachableViaWiFi NSLog @ A gateway to the host server is working via WIFI. self.hostActive..
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 . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other EDIT I now know that you want a UIView inside of.. for example. I've got it working where I change the frame size of the UIScrollView when the keyboard goes up and down. I'm simply using void textFieldDidBeginEditing UITextField textField Keyboard becomes visible scrollView.frame CGRectMake.. then it's not needed. For showing the textfields without being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts iphone objective c ios ios6 contacts share improve this question As per this documentation on apple's site scroll down to Privacy in the middle of the page access to the address book must be granted before it can be access programmatically...
http://stackoverflow.com/questions/1388467/reading-epub-format plus a few extra files The specs look a bit daunting but actually once you've got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse.. got the basics unzipping parsing XML down it's not particularly difficult or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some pointers if you're.. just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your app's documents folder using the zip library linked above 4 parse..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults about all the code. Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the encryption part of the app that's where it crashes so I'm doing something wrong but I'm not sure what. Help would..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key Editor's note The project that used to be here is now a broken link. iphone ios share improve this question I downloaded your project. The error you are getting is 'NSUnknownKeyException' reason ' UIViewController 0x3927310 setValue forUndefinedKey..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received likely to be released and show up as bad access errors when running on the device. The best way to track these things down and a good idea anyway even if there are no apparent problems is to run the app in the Instruments tool especially with..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel The second is to use CoreText and get similar results with a bit more of code. Interested people please look down the old answer. Now I am just being lazy so p _label setText text There is a couple of good introductory blog posts here..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events own experience I measured something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking nearly no energy. According to the userexperience..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf Page 16 51 How Not To Share Data Global Variables or singletons This includes your.. your application delegate Direct dependencies make your code 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..
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 to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent to the Aspect Fill option of UIImageView entirely in code and then crop.. please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds or otherwise just not work correctly. Thank you SO much for your help. iphone ios image..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor . In most cases..
http://stackoverflow.com/questions/10317951/drag-down-uiview-in-ios-5 Down UIView in iOS 5 I saw in my iPhone app that there is a gesture on the status bar which can access Notification Center...
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code 'XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX' thePayLoad 'aps' 'alert' 'Oh no Server 's Down ' 'sound' 'k1DiveAlarm.caf' 'badge' 42 'test_data' 'foo' 'bar' # Certificate issued by apple and converted to .pem format..
http://stackoverflow.com/questions/1080043/how-to-disable-multitouch button rather than for the parent view. Alternatively you could disable the other buttons when a button gets the Touch Down event. Here's an example of the latter which worked better in my testing. Setting exclusiveTouch for the buttons kind of.. rather than just clicking it. You need to have outlets in your controller hooked up to each button and have the Touch Down Touch Up Inside and Touch Up Outside events hooked to the proper methods in your controller. #import multibuttonsViewController.h.. your controller. #import multibuttonsViewController.h @implementation multibuttonsViewController hook this up to Touch Down for each button IBAction pressed id sender if sender one two.enabled false three.enabled false label setText @ One or whatever..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef.. bitmap radians 90 CGContextTranslateCTM bitmap targetWidth 0 else if sourceImage.imageOrientation UIImageOrientationDown NOTHING else if sourceImage.imageOrientation UIImageOrientationUp CGContextRotateCTM bitmap radians 90 CGContextTranslateCTM.. else if orientation UIImageOrientationLeft CGContextRotateCTM context radians 90 else if orientation UIImageOrientationDown NOTHING else if orientation UIImageOrientationUp CGContextRotateCTM context radians 90 src drawAtPoint CGPointMake 0 0..
How to create DropDown in xcode? http://stackoverflow.com/questions/13467029/how-to-create-dropdown-in-xcode to create DropDown in xcode I am a very new developer for IOS i need help How to create dropdown box in xcode any one provide me example to.. to create country list in drop down iphone xcode share improve this question Here I found two demos for dropDown list One is creating custom expandable UITableViewCell like to source code DEMO AND Another is custom Drop Down list like.. dropDown list One is creating custom expandable UITableViewCell like to source code DEMO AND Another is custom Drop Down list like by clicking of test then open drop down list as bellow like image source code with Tab Bar DEMO updated source..
Disable Alert-view When connect to the Internet [closed] http://stackoverflow.com/questions/13520322/disable-alert-view-when-connect-to-the-internet Reachable NSLog @ Internet is Up else notificationLabel.text @ Notification Says Unreachable NSLog @ Internet is Down UIAlertView alert UIAlertView alloc initWithTitle @ Please connect to Internet message nil delegate self cancelButtonTitle.. withObject alert afterDelay 0 else notificationLabel.text @ Notification Says Unreachable NSLog @ Internet is Down or you can realloc here your alert UIActivityIndicatorView progress UIActivityIndicatorView alloc initWithFrame CGRectMake..
iPhone Pull Down Refresh like Tweetie http://stackoverflow.com/questions/1634739/iphone-pull-down-refresh-like-tweetie Pull Down Refresh like Tweetie I am trying to find an example of placing an element above the Table View outside the normal scrollable..
How do I access variable values from one view controller in another? http://stackoverflow.com/questions/2548910/how-do-i-access-variable-values-from-one-view-controller-in-another view controller whose value I need in another view controller. Here's the code MediaMeterViewController TRP On Touch Down event start the timer IBAction startTimer time 0 TRP Start a timer timer NSTimer scheduledTimerWithTimeInterval 1 target..
UIButton event 'Touch Up Inside' not working. 'Touch Down' works fine http://stackoverflow.com/questions/3904912/uibutton-event-touch-up-inside-not-working-touch-down-works-fine event 'Touch Up Inside' not working. 'Touch Down' works fine I've got a UIButton in a UIView which is in a UIViewController that I've allocated and inited from a .xib file... is in a UIViewController that I've allocated and inited from a .xib file. When hooking an IBAction up to the 'Touch Down' event of a UIButton it triggers correctly. But if I hook it up to the 'Touch Up Inside' event it doesn't respond. Other.. respond. Other events don't work either. 'Touch Drag Enter' 'Touch Drag Exit' 'Touch Up Outside' etc. Only Touch Down. Does anyone have any idea why this might be The button is a simple rounded rectangle button in a view controller. I have..
UITapGestureRecognizer on a UIButton http://stackoverflow.com/questions/4105293/uitapgesturerecognizer-on-a-uibutton if you're going to use IB to hook up the events otherwise just use void. Next in IB for each button hook up the Touch Down event with buttonPressed . Or to do it programmatically button1 addTarget self action @selector buttonPressed forControlEvents.. Or to do it programmatically button1 addTarget self action @selector buttonPressed forControlEvents UIControlEventTouchDown button2 addTarget self action @selector buttonPressed forControlEvents UIControlEventTouchDown button3 addTarget self action.. UIControlEventTouchDown button2 addTarget self action @selector buttonPressed forControlEvents UIControlEventTouchDown button3 addTarget self action @selector buttonPressed forControlEvents UIControlEventTouchDown Next in IB for each button..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload We need to calculate the proper transformation to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown.. if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform.. transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate..
Syncing objects between two disparate systems, best approach? http://stackoverflow.com/questions/636675/syncing-objects-between-two-disparate-systems-best-approach share improve this question The simplest approach when syncing transfer all records where updated_at @last_sync_at . Down side this approach doesn't tolerate clock skew very well at all. It is probably safer to keep a version number column that..
How pass data in seque ios5 storyboard uitableview to detail view http://stackoverflow.com/questions/7937035/how-pass-data-in-seque-ios5-storyboard-uitableview-to-detail-view is an example app with the iOS5 SDK which has a table view that uses segues when a table cell is tapped Simple Drill Down . http developer.apple.com library ios #samplecode SimpleDrillDown Introduction Intro.html You do set the segue at the table.. segues when a table cell is tapped Simple Drill Down . http developer.apple.com library ios #samplecode SimpleDrillDown Introduction Intro.html You do set the segue at the table cell and give it a name in the storyboard file. void prepareForSegue..
How to recognize swipe in all 4 directions? http://stackoverflow.com/questions/8181774/how-to-recognize-swipe-in-all-4-directions to recognize swipe in all 4 directions I need to recognize swipes in all directions Up Down Left Right . Not simultaneously but I need to recognize them. I tried UISwipeGestureRecognizer Swipe UISwipeGestureRecognizer.. UISwipeGestureRecognizerDirectionLeft UISwipeGestureRecognizerDirectionRight UISwipeGestureRecognizerDirectionDown UISwipeGestureRecognizerDirectionUp self.view addGestureRecognizer Swipe Swipe release but nothing appeared on SwipeRecognizer.. UISwipeGestureRecognizerDirectionRight NSLog @ SWIPE RIGHT if sender.direction UISwipeGestureRecognizerDirectionDown NSLog @ SWIPE DOWN if sender.direction UISwipeGestureRecognizerDirectionUp NSLog @ SWIPE UP How can I do this How can assign..
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