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2014/10/15 ¤U¤È 10:10:14
iphone Programming Glossary: implementedHow 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 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..
@synthesize vs @dynamic, what are the differences? http://stackoverflow.com/questions/1160498/synthesize-vs-dynamic-what-are-the-differences methods for your property. @dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else like the superclass or will be provided at runtime . Uses..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet.. containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone The view interfaces with its delegate as UITableView does for instance and it doesn't care if its implemented in the view controller or in any other class that you end up using. My original answer follows I don't..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation an example as I am not looking for shouldAutorotateToInterfaceOrientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have.. my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views but if the user is in landscape mode in View 1..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how this code. It's missing the code for two of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code...
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch Detecting user inactivity idle time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain..
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 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..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based on an example by Bill Dudney. The newest..
http://stackoverflow.com/questions/3790957/reachability-guide-for-ios-4 yet to find one. Thanks in advance iphone reachability share improve this question I have implemented Reachability like this. Download https developer.apple.com iphone library samplecode Reachability index.html..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried Sergio's..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices here as a pdf document. This is a viable solution and is not that difficult to implement Dan implemented this in several of its applications overlapping the solution described by Chris. For an in depth theoretical.. provides an overall much more robust and reliable sync strategy but requires more effort to be implemented correctly. EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back it..... Now when you're about to dismiss the second view controller you want to invoke the method implemented in the first view controller. This part is simple. All you do is in your second view controller add..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar objective c share improve this question I found an answer to this at Silent Mac Design . I implemented this way First make a subclass of UITabBarContoller CustomUITabBarController.h #import UIKit UIKit.h..
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have an application built with..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app anyone implemented the PayPal API through a native iPhone app It seems the only way to stay in app is to give them a UIWebView..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su 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..
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 inside of a UIScrollView 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..
@synthesize vs @dynamic, what are the differences? http://stackoverflow.com/questions/1160498/synthesize-vs-dynamic-what-are-the-differences this question @synthesize will generate getter and setter methods for your property. @dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else like the superclass or will be provided at runtime . Uses for @dynamic are e.g. with subclasses of NSManagedObject CoreData..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you.. call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone @end @interface MyViewController MyViewDelegate @end The view interfaces with its delegate as UITableView does for instance and it doesn't care if its implemented in the view controller or in any other class that you end up using. My original answer follows I don't recommend this neither the rest of the answers where direct..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation ways to force the orientation Update I thought I would provide an example as I am not looking for shouldAutorotateToInterfaceOrientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for.. as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views but if the user is in landscape mode in View 1 and then switches to View 2 I want to force the phone to rotate..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how used graphics contexts before but I managed to hobble together this code. It's missing the code for two of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code. The code for all corners is there so use that as a starting..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch Detecting user inactivity idle time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's..
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 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 question File type handling..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview which rebuilds the layer transform from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based on an example by Bill Dudney. The newest version of the program at the very bottom of the page implements..
http://stackoverflow.com/questions/3790957/reachability-guide-for-ios-4 decent guide to implementing Reachability on iOS4 I have yet to find one. Thanks in advance iphone reachability share improve this question I have implemented Reachability like this. Download https developer.apple.com iphone library samplecode Reachability index.html and add Reachability.h and .m to your project. Add..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll with the FRC I would greatly appreciate it iphone search core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried Sergio's answer but had exception issues when actually running..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices discussed by Dan Grover at iPhone 2009 conference available here as a pdf document. This is a viable solution and is not that difficult to implement Dan implemented this in several of its applications overlapping the solution described by Chris. For an in depth theoretical discussion of syncing see the paper from Russ Cox MIT.. equally well to core data with some obvious modifications. This provides an overall much more robust and reliable sync strategy but requires more effort to be implemented correctly. EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated given that iCloud supports core data synchronization. Well..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back thisIsTheDesiredString stringForFirst And there you have it..... Now when you're about to dismiss the second view controller you want to invoke the method implemented in the first view controller. This part is simple. All you do is in your second view controller add some code before the dismiss code if self.myDelegate respondsToSelector..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar would this violate Apple's Human Interface Guidelines iphone objective c share improve this question I found an answer to this at Silent Mac Design . I implemented this way First make a subclass of UITabBarContoller CustomUITabBarController.h #import UIKit UIKit.h @interface CustomUITabBarController UITabBarController IBOutlet..
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background this thread http discussions.apple.com thread.jspa threadID 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have an application built with the NavigationView template so it is not done in my root..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app anyone implemented the PayPal API through a native iPhone app It seems the only way to stay in app is to give them a UIWebView of the paypal mobile site and let them complete the..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su 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 the implementation in a separate..
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 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..
@synthesize vs @dynamic, what are the differences? http://stackoverflow.com/questions/1160498/synthesize-vs-dynamic-what-are-the-differences getter and setter methods for your property. @dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else like the superclass or will be provided at runtime . Uses for @dynamic are e.g...
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not.. view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone MyViewDelegate @end The view interfaces with its delegate as UITableView does for instance and it doesn't care if its implemented in the view controller or in any other class that you end up using. My original answer follows I don't recommend this neither..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation I thought I would provide an example as I am not looking for shouldAutorotateToInterfaceOrientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented.. that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views but if the user is in landscape mode in View 1 and then switches to..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how to hobble together this code. It's missing the code for two of the corners. If you read the code you can see how I implemented this by deleting some of the CGContextAddArc calls and deleting some of the radius values in the code. The code for all..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch Detecting user inactivity idle time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to..
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 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..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview the layer transform from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based on an example by Bill Dudney. The newest version of the program..
http://stackoverflow.com/questions/3790957/reachability-guide-for-ios-4 on iOS4 I have yet to find one. Thanks in advance iphone reachability share improve this question I have implemented Reachability like this. Download https developer.apple.com iphone library samplecode Reachability index.html and add Reachability.h..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll it iphone search core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried Sergio's answer but had..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices 2009 conference available here as a pdf document. This is a viable solution and is not that difficult to implement Dan implemented this in several of its applications overlapping the solution described by Chris. For an in depth theoretical discussion.. modifications. This provides an overall much more robust and reliable sync strategy but requires more effort to be implemented correctly. EDIT The Objective C framework called ZSync and developed by Marcus Zarra has been deprecated given that iCloud..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back And there you have it..... Now when you're about to dismiss the second view controller you want to invoke the method implemented in the first view controller. This part is simple. All you do is in your second view controller add some code before the..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar Guidelines iphone objective c share improve this question I found an answer to this at Silent Mac Design . I implemented this way First make a subclass of UITabBarContoller CustomUITabBarController.h #import UIKit UIKit.h @interface CustomUITabBarController..
Custom UINavigationBar Background http://stackoverflow.com/questions/704558/custom-uinavigationbar-background thread.jspa threadID 1649012 tstart 0 But am not sure how to implement the code snippet that is given. Is the code implemented as a new class Also where do I instatiate the NavigationController as I have an application built with the NavigationView..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app anyone implemented the PayPal API through a native iPhone app It seems the only way to stay in app is to give them a UIWebView of the paypal..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su 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..
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