¡@
2014/10/15 ¤U¤È 10:10:29
iphone Programming Glossary: instancesHow 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 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking class #import Reachability.h declare Reachability you no longer have a singleton but manage instances Reachability reachability in .m file NSNotificationCenter defaultCenter addObserver self selector @selector..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName @ TestNotification..
Is it possible to configure a UITableView to allow multiple-selection? http://stackoverflow.com/questions/308081/is-it-possible-to-configure-a-uitableview-to-allow-multiple-selection per selected row. You can do that by setting the accessoryType on the selected UITableViewCell instances to UITableViewCelAccessoryCheckmark. To deselect the row set it back to UITableViewCellAccessoryNone...
Subclass UIButton to add a property http://stackoverflow.com/questions/5500327/subclass-uibutton-to-add-a-property Try using a category with Associative References instead. It is much cleaner and will work on all instances of UIButton . UIButton Property.h #import Foundation Foundation.h @interface UIButton Property @property..
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 the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should.. easily do my communication methods in the app delegate by reference's the multiple viewcontroller instances in my appdelegate but I want to do this sort of thing the right way. Please help me do the right thing..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to.. always using the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c in Objective C In PHP I can do this new str_replace array ' ' ' ' '.' '' new ...to replace all instances of the characters . with a blank string to remove them Can I do this easily in Objective C Or do I have..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud image . With respect to the general behavior of the cache it does cache based on filename so two instances of imageNamed with the same name should result in references to the same cached data and the cache will..
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 and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone encrypt a string returning another string with the encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the encryption key with the passcode in a way..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking code you found somewhere else. Try in .h file import Reachability class #import Reachability.h declare Reachability you no longer have a singleton but manage instances Reachability reachability in .m file NSNotificationCenter defaultCenter addObserver self selector @selector handleNetworkChange name kReachabilityChangedNotification..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c
Is it possible to configure a UITableView to allow multiple-selection? http://stackoverflow.com/questions/308081/is-it-possible-to-configure-a-uitableview-to-allow-multiple-selection this question The best way to do this would be to a checkmark per selected row. You can do that by setting the accessoryType on the selected UITableViewCell instances to UITableViewCelAccessoryCheckmark. To deselect the row set it back to UITableViewCellAccessoryNone. To enumerate which cells rows were selected say upon clicking..
Subclass UIButton to add a property http://stackoverflow.com/questions/5500327/subclass-uibutton-to-add-a-property objective c ios uibutton share improve this question Try using a category with Associative References instead. It is much cleaner and will work on all instances of UIButton . UIButton Property.h #import Foundation Foundation.h @interface UIButton Property @property nonatomic retain NSObject property @end UIButton Property.m..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly.. what am I to do Ok that's the set up gang. I know I can easily do my communication methods in the app delegate by reference's the multiple viewcontroller instances in my appdelegate but I want to do this sort of thing the right way. Please help me do the right thing by answering the following questions When I am trying to..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature @ en_US df setLocale loc loc release Not too bad in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything without making the code to obscure My first.. add such a method in a future version of the OS. In case you're always using the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter is not thread safe and you have to use locks or @synchronized..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c multiple characters in a string in Objective C In PHP I can do this new str_replace array ' ' ' ' '.' '' new ...to replace all instances of the characters . with a blank string to remove them Can I do this easily in Objective C Or do I have to roll my own Currently I am doing multiple calls to stringByReplacingOccurrencesOfString..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud I would recommend primarily is to avoid redrawing that large image . With respect to the general behavior of the cache it does cache based on filename so two instances of imageNamed with the same name should result in references to the same cached data and the cache will grow dynamically as you request more images via imageNamed..
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 can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone with the encrypted data I've been trying with AES256 encryption. I want to write a method which takes two NSString instances one being the message to encrypt and the other being a 'passcode' to encrypt it with I suspect I'd have to generate the..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking file import Reachability class #import Reachability.h declare Reachability you no longer have a singleton but manage instances Reachability reachability in .m file NSNotificationCenter defaultCenter addObserver self selector @selector handleNetworkChange..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName @ TestNotification object self share..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript image would eventually kill the browser and halt all JS exectution. But after resetting src I ve been able to load in instances of the image over 170 times. An explanation of how the code works is below as well. var strImagePath http path to your gigantic..
Best way to save data on the iPhone http://stackoverflow.com/questions/307313/best-way-to-save-data-on-the-iphone objective c share improve this question To save state NSUserDefaults is the way to go. I believe most if not all instances of application data being deleted after an upgrade are due to issues on the AppStore. They may be related to data format..
Is it possible to configure a UITableView to allow multiple-selection? http://stackoverflow.com/questions/308081/is-it-possible-to-configure-a-uitableview-to-allow-multiple-selection would be to a checkmark per selected row. You can do that by setting the accessoryType on the selected UITableViewCell instances to UITableViewCelAccessoryCheckmark. To deselect the row set it back to UITableViewCellAccessoryNone. To enumerate which..
How to Deal with Temporary NSManagedObject instances? http://stackoverflow.com/questions/3256195/how-to-deal-with-temporary-nsmanagedobject-instances to Deal with Temporary NSManagedObject instances I need to create NSManagedObject instances do some stuff with them and then trash them or store to sqlite db. The problem.. to Deal with Temporary NSManagedObject instances I need to create NSManagedObject instances do some stuff with them and then trash them or store to sqlite db. The problem is I cannot create instances of NSManagedObject.. instances do some stuff with them and then trash them or store to sqlite db. The problem is I cannot create instances of NSManagedObject unconnected to MSManagedObjectContext and this means I have to clear up somehow after I decide that I..
Loading a Reusable UITableViewCell from a Nib http://stackoverflow.com/questions/413993/loading-a-reusable-uitableviewcell-from-a-nib that method no longer allows you to init the cell with a reuseIdentifier which means you have to create whole new instances of each cell at every call. Has anyone figured out a good way to still cache particular cell types for reuses but still..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone actual abstract entities here or just managed objects Remember entities are to managed objects what classes are to instances. If the former then yes Core Data will be a lot of work up front if the later then it won't be. You can build up very large..
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 just changing things for the one instance of NSButton that you want to change things for but instead for all NSButton instances in your application. For this reason you should be cautious when you swizzle but you don't nee to avoid it altogether. Think..
Subclass UIButton to add a property http://stackoverflow.com/questions/5500327/subclass-uibutton-to-add-a-property this question Try using a category with Associative References instead. It is much cleaner and will work on all instances of UIButton . UIButton Property.h #import Foundation Foundation.h @interface UIButton Property @property nonatomic retain..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best.. gang. I know I can easily do my communication methods in the app delegate by reference's the multiple viewcontroller instances in my appdelegate but I want to do this sort of thing the right way. Please help me do the right thing by answering the..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature release Not too bad in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything.. the OS. In case you're always using the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter is not thread..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c characters in a string in Objective C In PHP I can do this new str_replace array ' ' ' ' '.' '' new ...to replace all instances of the characters . with a blank string to remove them Can I do this easily in Objective C Or do I have to roll my own Currently..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud redrawing that large image . With respect to the general behavior of the cache it does cache based on filename so two instances of imageNamed with the same name should result in references to the same cached data and the cache will grow dynamically..
|