2014/10/15 下午 10:09:19
iphone Programming Glossary: foundationHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer.. WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much.. and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used..
Best way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string data can be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString.. be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString @end..
http://stackoverflow.com/questions/1328638/placeholder-in-uitextview background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder.. color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder @property..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__.. 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4.. 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0 6 CoreFoundation 0x3b37bcb2 __CFRunLoopRun 7 CoreFoundation 0x3b2eeeb8..
How to use NSXMLParser to parse parent-child elements that have the same name http://stackoverflow.com/questions/2005448/how-to-use-nsxmlparser-to-parse-parent-child-elements-that-have-the-same-name of the data you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth.. you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth NSMutableString..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone Please note that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager.. that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager..
Return to app behavior after phone call different in native code than UIWebView http://stackoverflow.com/questions/5317783/return-to-app-behavior-after-phone-call-different-in-native-code-than-uiwebview request in an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL.. an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL NSURL..
Subclass UIButton to add a property http://stackoverflow.com/questions/5500327/subclass-uibutton-to-add-a-property 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.. 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..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end.. disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end MyButton.m..
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 Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter.. Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id.. check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id delegate @property..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons You will very quickly get over this. There is some very small complications in bridging to Core Foundation code. There are slightly more complications in dealing with anything that treats an id as a void . Things.. decent intermediate programmer. You need to know the rules in order to bridge correctly with Core Foundation and every intermediate programmer needs to deal with CF at some point. And you need to know the rules..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects addGestureRecognizer tapInterceptor WildcardGestureRecognizer.h WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock touchesBeganCallback.. tapInterceptor WildcardGestureRecognizer.h WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock touchesBeganCallback @property..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec and situations where I'd want to use these locations for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used 3 class specific method property declarations @end.. where I'd want to use these locations for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used 3 class specific method property declarations @end and #import..
Best way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string a hexadecimal NSString representing the NSData where the data can be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString @end NSData Conversion.m #import NSData Conversion.h.. NSString representing the NSData where the data can be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString @end NSData Conversion.m #import NSData Conversion.h @implementation..
http://stackoverflow.com/questions/1328638/placeholder-in-uitextview for initialization from a xib file text wrapping and to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder @property nonatomic retain UIColor placeholderColor void.. from a xib file text wrapping and to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder @property nonatomic retain UIColor placeholderColor void textChanged..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected objc_msgSend 16 1 MYAPP 0x0006573a MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0.. Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0 6 CoreFoundation 0x3b37bcb2 __CFRunLoopRun.. 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0 6 CoreFoundation 0x3b37bcb2 __CFRunLoopRun 7 CoreFoundation 0x3b2eeeb8 CFRunLoopRunSpecific 8 CoreFoundation 0x3b2eed44 CFRunLoopRunInMode..
How to use NSXMLParser to parse parent-child elements that have the same name http://stackoverflow.com/questions/2005448/how-to-use-nsxmlparser-to-parse-parent-child-elements-that-have-the-same-name structure in memory can be impossible depending on the size of the data you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth NSMutableString currentName NSString currentElement void.. in memory can be impossible depending on the size of the data you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth NSMutableString currentName NSString currentElement void start @end..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone from core location. This is the singleton class I wrote. Please note that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager CLLocation currentLocation LocationController sharedInstance.. location. This is the singleton class I wrote. Please note that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager CLLocation currentLocation LocationController sharedInstance..
Return to app behavior after phone call different in native code than UIWebView http://stackoverflow.com/questions/5317783/return-to-app-behavior-after-phone-call-different-in-native-code-than-uiwebview its tel URL handling behavior. Instead just load a tel URL request in an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL NSURL url @end @implementation id init self super.. handling behavior. Instead just load a tel URL request in an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL NSURL url @end @implementation id init self super init if self..
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 nonatomic retain NSObject property @end UIButton Property.m #import UIButton Property.h #import objc runtime.h.. 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 #import UIButton Property.h #import objc runtime.h @implementation..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone self.nextResponder touchesBegan touches withEvent event Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end MyButton.m #import MyButton.h @implementation MyButton void.. touchesBegan touches withEvent event Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end MyButton.m #import MyButton.h @implementation MyButton void touchesBegan..
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 critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale.. see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation NSDateFormatter Locale id initWithSafeLocale..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample access either you are using simulator or if you are on your phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id delegate @property nonatomic retain NSString documentText @property.. you are using simulator or if you are on your phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id delegate @property nonatomic retain NSString documentText @property nonatomic..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons you will twitch for about a week when you see ARC code. You will very quickly get over this. There is some very small complications in bridging to Core Foundation code. There are slightly more complications in dealing with anything that treats an id as a void . Things like C arrays of id can take a little more thinking about.. memory management rules at all. But you couldn't become a decent intermediate programmer. You need to know the rules in order to bridge correctly with Core Foundation and every intermediate programmer needs to deal with CF at some point. And you need to know the rules for mixed ARC MRC code. And you need to know the rules when..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects WildcardGestureRecognizer.h WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer.. WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock..
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import Foundation Foundation.h extern NSString const APIKey @interface NetworkClient NSObject void processURLRequestWithURL NSString url .. FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #import Foundation Foundation.h extern NSString const APIKey @interface NetworkClient NSObject void processURLRequestWithURL NSString url andParams NSDictionary..
Intercepting/Hijacking iPhone Touch Events for MKMapView http://stackoverflow.com/questions/1121889/intercepting-hijacking-iphone-touch-events-for-mkmapview WildcardGestureRecognizer.h WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer.. WildcardGestureRecognizer.h Copyright 2010 Floatopian LLC. All rights reserved. #import Foundation Foundation.h typedef void ^TouchesEventBlock NSSet touches UIEvent event @interface WildcardGestureRecognizer UIGestureRecognizer TouchesEventBlock..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec these locations for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used 3 class.. for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used 3 class specific method..
Best way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string the NSData where the data can be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString @end NSData Conversion.m.. where the data can be any length. Returns an empty string if NSData is empty. NSData Conversion.h #import Foundation Foundation.h @interface NSData NSData_Conversion #pragma mark String Conversion NSString hexadecimalString @end NSData Conversion.m..
http://stackoverflow.com/questions/1328638/placeholder-in-uitextview wrapping and to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder @property nonatomic.. to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h #import Foundation Foundation.h @interface UIPlaceHolderTextView UITextView @property nonatomic retain NSString placeholder @property nonatomic retain..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__.. expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0.. __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 5 CoreFoundation 0x3b37cee4 __CFRunLoopDoSources0 6 CoreFoundation 0x3b37bcb2 __CFRunLoopRun 7 CoreFoundation 0x3b2eeeb8 CFRunLoopRunSpecific..
How to use NSXMLParser to parse parent-child elements that have the same name http://stackoverflow.com/questions/2005448/how-to-use-nsxmlparser-to-parse-parent-child-elements-that-have-the-same-name depending on the size of the data you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth NSMutableString.. on the size of the data you want to manipulate. The following code shows a class that does this job #import Foundation Foundation.h @interface Test NSObject NSXMLParserDelegate @private NSXMLParser xmlParser NSInteger depth NSMutableString currentName..
http://stackoverflow.com/questions/2486705/storing-image-in-plist directly that is necessary for storage in plists. But it is fairly easy to add like below. UIImage NSCoder.h #import Foundation Foundation.h @interface UIImage MyExtensions void encodeWithCoder NSCoder encoder id initWithCoder NSCoder decoder @end.. that is necessary for storage in plists. But it is fairly easy to add like below. UIImage NSCoder.h #import Foundation Foundation.h @interface UIImage MyExtensions void encodeWithCoder NSCoder encoder id initWithCoder NSCoder decoder @end UIImage NSCoder.m..
How Do I write a Timer in Objective-C? http://stackoverflow.com/questions/3519562/how-do-i-write-a-timer-in-objective-c timer timeElapsedInMinutes Edit Added methods for timeElapsedInMilliseconds and timeElapsedInMinutes Timer.h #import Foundation Foundation.h @interface Timer NSObject NSDate start NSDate end void startTimer void stopTimer double timeElapsedInSeconds.. Edit Added methods for timeElapsedInMilliseconds and timeElapsedInMinutes Timer.h #import Foundation Foundation.h @interface Timer NSObject NSDate start NSDate end void startTimer void stopTimer double timeElapsedInSeconds double timeElapsedInMilliseconds..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone class I wrote. Please note that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager CLLocation.. I wrote. Please note that it is a little rough around the edges #import CoreLocation CoreLocation.h #import Foundation Foundation.h @interface LocationController NSObject CLLocationManagerDelegate CLLocationManager locationManager CLLocation currentLocation..
http://stackoverflow.com/questions/5045672/create-uibutton-subclass Posts... forState UIControlStateNormal cell addSubview button button release my activityindicatorbutton class #import Foundation Foundation.h @interface ActivityIndicatorButton UIButton UIActivityIndicatorView _activityView void startAnimating void.. UIControlStateNormal cell addSubview button button release my activityindicatorbutton class #import Foundation Foundation.h @interface ActivityIndicatorButton UIButton UIActivityIndicatorView _activityView void startAnimating void stopAnimating..
Return to app behavior after phone call different in native code than UIWebView http://stackoverflow.com/questions/5317783/return-to-app-behavior-after-phone-call-different-in-native-code-than-uiwebview just load a tel URL request in an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL NSURL url.. a tel URL request in an instance of UIWebView without adding it to your view hierarchy. For example #import Foundation Foundation.h #import UIKit UIKit.h @interface PhoneCaller NSObject @private UIWebView webview void callTelURL NSURL url @end @implementation..
Apple Mach-O Linker Error when compiling for device http://stackoverflow.com/questions/5329001/apple-mach-o-linker-error-when-compiling-for-device Build Products Debug iphoneos libThree20UINavigator.a framework AddressBook lz.1.2.3 framework Foundation framework CFNetwork framework MobileCoreServices framework SystemConfiguration framework MessageUI framework AudioToolbox..
Subclass UIButton to add a property http://stackoverflow.com/questions/5500327/subclass-uibutton-to-add-a-property 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 #import.. 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 #import UIButton Property.h..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone withEvent event Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end MyButton.m #import.. event Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h #import Foundation Foundation.h @interface MyButton UIButton void touchesBegan NSSet touches withEvent UIEvent event @end MyButton.m #import MyButton.h..
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 below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h.. extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter Locale id initWithSafeLocale @end Category m file #import NSDateFormatter Locale.h @implementation..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample if you are on your phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id delegate @property nonatomic.. on your phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h #import ViewController.h @interface MyTextDocument UIDocument NSString documentText id delegate @property nonatomic retain..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons when you see ARC code. You will very quickly get over this. There is some very small complications in bridging to Core Foundation code. There are slightly more complications in dealing with anything that treats an id as a void . Things like C arrays.. couldn't become a decent intermediate programmer. You need to know the rules in order to bridge correctly with Core Foundation and every intermediate programmer needs to deal with CF at some point. And you need to know the rules for mixed ARC MRC..
SEGV_ACCERR calling [[NSNotificationCenter defaultCenter] removeObserver:self] in dealloc http://stackoverflow.com/questions/12901031/segv-accerr-calling-nsnotificationcenter-defaultcenter-removeobserverself-i 75 17 UIKit 0x00057301 UIApplicationMain 1121 18 Anghami Beta 0x0000334d main main.m 17 iphone objective c ios foundation share improve this question So it turned out the crash log was misleading. I was able to eventually get it to happen..
Create NSMutableDictionary that will be available from everywhere in the app http://stackoverflow.com/questions/14831505/create-nsmutabledictionary-that-will-be-available-from-everywhere-in-the-app improve this question You can use singleton class for sharing the data Check this Singleton class MyManger.h #import foundation Foundation.h @interface MyManager NSObject NSMutableDictionary _dict @property nonatomic retain NSMutableDictionary dict..
http://stackoverflow.com/questions/1604795/scrolloffset-in-uiwebview events. Add some JavaScript code to your page that listens from scroll events and notifies your app of them. The basic foundation of #2 is to load a fake URL and have your web view delegate process and abort that load. This question has come up a few..
http://stackoverflow.com/questions/1613863/nsarray-of-dates-sort 2009 Tuesday September 29 2009 Tuesday September 15 2009 Tuesday September 01 2009 iphone objective c cocoa sorting foundation share improve this question You can use sortedArrayUsingFunction Here's some example code. NSInteger dateSort id s1..
What's the nicest way to do observer/observable in objective-c (iphone version) http://stackoverflow.com/questions/165790/whats-the-nicest-way-to-do-observer-observable-in-objective-c-iphone-version use Key Value Observing. That's what it's designed for and it's intentionally lightweight. Among other uses it is the foundation on which Cocoa Bindings are built. If you care about a change in state that isn't represented by a property then notifications..
How to Get the Title of a HTML Page Displayed in UIWebView? http://stackoverflow.com/questions/2275876/how-to-get-the-title-of-a-html-page-displayed-in-uiwebview off Javascript in UIWebView. Therefore the Javascript method above will always work. iphone objective c uiwebview foundation share improve this question For those who just scroll down to find the answer void webViewDidFinishLoad UIWebView webView..
Difference between class property mVar and instance variable self.mVar http://stackoverflow.com/questions/2278389/difference-between-class-property-mvar-and-instance-variable-self-mvar int x mX x But your saying its better to do void someMethod int x self.x x iphone objective c oop self core foundation share improve this question What's the difference between accessing the instance variable via self.mName name vs mName..
Converting plist to binary plist http://stackoverflow.com/questions/264440/converting-plist-to-binary-plist plutil . Are there publicly available algorithms to perform this conversion iphone objective c cocoa cocoa touch core foundation share improve this question Yes. All the plist code is part of CoreFoundation which is opensource. CoreFoundation can..
How to write to an XML file from the iPad OS? http://stackoverflow.com/questions/2869252/how-to-write-to-an-xml-file-from-the-ipad-os file at runtime. I found the class NSXMLDocument http developer.apple.com mac library documentation cocoa reference foundation Classes NSXMLDocument_Class Reference Reference.html But I haven't been able to import it to my project. Is this class not..
NSDecimalNumber to unsignedLongLong - wrong value http://stackoverflow.com/questions/3298589/nsdecimalnumber-to-unsignedlonglong-wrong-value https bugreport.apple.com cgi bin WebObjects RadarWeb.woa 3 wo Stnn5Aaocknzx52c64zbN0 5.83.28.0.9 iphone core foundation share improve this question I believe the issue is that you are using NSNumber's longLongValue method on an NSDecimalNumber...
How to properly release an AVCaptureSession http://stackoverflow.com/questions/3741121/how-to-properly-release-an-avcapturesession the camera and to process the video samples. This works nicely. However I do have problems properly releasing the AV foundation instances capture session preview layer input and output once I'm done. When I no longer need the session and all associated.. removeFromSuperlayer previewLayer release session stopRunning session release iphone multithreading ios camera avfoundation share improve this question Here's the best solution I've found so far. The basic idea is to use the finalizer of the..
http://stackoverflow.com/questions/4696515/urldecode-in-objective-c in objective c I'm dealing with an urlencoded string in objective c. Is there a foundation function that actually reverse the urlENCODING The string received is like K FChlschrank but should be after decoding K羹hlschrank..
UIKitBackgroundCompletionTask - iPhone application crash http://stackoverflow.com/questions/4726254/uikitbackgroundcompletiontask-iphone-application-crash to redirect http connections both async and sync NRURL operations. Perhaps since NSURLConnection inherits from the foundation framework then the bug is present on iPhone too openradar at 1062401 iphone objective c share improve this question ..
NSURLConnection: Resume functionality http://stackoverflow.com/questions/5160264/nsurlconnection-resume-functionality NSURLConnection connection didReceiveResponse NSURLResponse response events iphone objective c xcode download foundation share improve this question multipart x mixed replace is used when the server wants to replace what it has already given..
How to get URL for application's document directory iPhone http://stackoverflow.com/questions/5608091/how-to-get-url-for-applications-document-directory-iphone iphone share improve this question You can get the document path via the NSSearchPathForDirectoriesInDomains foundation function as follows NSArray searchPaths NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES NSString..
iPhone/iOS: How Do I Tell What Localization The Phone is Using At Runtime? http://stackoverflow.com/questions/6998250/iphone-ios-how-do-i-tell-what-localization-the-phone-is-using-at-runtime ios localization share improve this question NSLocale will have the locale information you need. Do note that foundation classes support suggested settings such as 24 hour clock and locale information. NSLog @ @ NSLocale currentLocale localeIdentifier..
What major ASIHTTPRequest features is AFNetworking missing? http://stackoverflow.com/questions/7529258/what-major-asihttprequest-features-is-afnetworking-missing keeps you from dumping 3rd party libraries. ASI uses a whole different approach since it uses CFNetworking lower level foundation frameworks based on C to make downloading and file uploading possible skipping NSURLConnection completely and touching concepts..
How to list all folders and their subdirectories/files in iPhone SDK? http://stackoverflow.com/questions/7900879/how-to-list-all-folders-and-their-subdirectories-files-in-iphone-sdk But how would I get the list of those files Is there any way to get that list iphone ios cocoa touch filesystems foundation share improve this question NSArray paths NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES..
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