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2014/10/15 ¤U¤È 10:08:30
iphone Programming Glossary: etcHow 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 recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy. How to detect any tap inside an MKMapView sans tricks WildcardGestureRecognizer tapInterceptor..
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 check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter defaultCenter addObserver..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults to your own object void encodeWithCoder NSCoder encoder Encode properties other class variables etc encoder encodeObject self.question forKey @ question encoder encodeObject self.categoryName forKey @..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk what iOS version you can program to or support. Once you've patched things up in your project etc. cf. next section you can set iPhone OS Deployment Target to a lower iOS version. For a quick shot of..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework reliably detect is ONE complete wave within that window ie a 44Hz wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG files PLIST files etc from your library see below scroll to bottom now supports iPhone5 using Apple's workaround to the bugs.. # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project.. of your Universal Build. How to include non sourcecode files in your project PNG PLIST XML etc Do everything above check it works Create a new Run Script phase that comes AFTER THE FIRST ONE copy..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel bold and normal but you could also have different font size different color italics underlined etc. Take a look at NSAttributedString NSMutableAttributedString and CoreText attributes string keys . Hope..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios a two letter code for the currently selected language. en for English es for Spanish de for German etc. For more examples please see this Wikipedia entry in particular the 639 1 column List of ISO 639 1..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render the individual elements of the view into the PDF. In other words use IB to specify coordinates.. elements of the view into the PDF. In other words use IB to specify coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't.. coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't have to hard code everything. I used this approach and it worked out..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events But there will be again a call to the expiration handler which starts another long running task etc. Now you only have to check weather the App is getting back to foreground. Then close the bgTask and..
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 UITableViewController UITabBarController Tweets UITableViewController Detail view of a tweet user etc Replies UITableViewController ... This seems to work ^1 but appears to be unsupported according to the..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller possible to somehow lock the fields in an MFMailComposeViewController so that the body recipients etc cannot be changed by the user I need the e mail the user sends to go to a particular account and the..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown the result of the method you're calling. The result could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There.. only 4 things that ARC would consider for the return value 3 Ignore non object types void int etc Retain object value then release when it is no longer used standard assumption Release new object values..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications at the present time Please refrain from non programming answers about how piracy is inevitable etc. iphone piracy piracy prevention share improve this question UPDATE Please visit and read Thanks..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
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 cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy. How to detect any tap inside an MKMapView sans tricks WildcardGestureRecognizer tapInterceptor WildcardGestureRecognizer alloc init tapInterceptor.touchesBeganCallback..
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 the check 7 In the .m file of where you are implementing the check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter defaultCenter addObserver self selector @selector checkNetworkStatus name kReachabilityChangedNotification..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults substituting calls to encodeObject with something relevant to your own object void encodeWithCoder NSCoder encoder Encode properties other class variables etc encoder encodeObject self.question forKey @ question encoder encodeObject self.categoryName forKey @ category encoder encodeObject self.subCategoryName forKey @..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk not lower . The SDK you use to compile does not limit downward what iOS version you can program to or support. Once you've patched things up in your project etc. cf. next section you can set iPhone OS Deployment Target to a lower iOS version. For a quick shot of how to do this cf. step 7 in the next section. Note that you..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework bins bin 1 .idealFreq 44Hz ie The lowest frequency we can reliably detect is ONE complete wave within that window ie a 44Hz wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where every pair of points represents a wave ie 512 complete..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 if you embed projects inside each other from Xcode 3.x through to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG files PLIST files etc from your library see below scroll to bottom now supports iPhone5 using Apple's workaround to the bugs in lipo . NOTE the install instructions have changed I can.. CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME ######### # # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project you will need to add echo a User Search Headers build setting.. Products Debug universal libTargetName.a ...that is the location of your Universal Build. How to include non sourcecode files in your project PNG PLIST XML etc Do everything above check it works Create a new Run Script phase that comes AFTER THE FIRST ONE copy paste the code below Create a new Target in Xcode of type bundle..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios preferredLanguages objectAtIndex 0 This will return a two letter code for the currently selected language. en for English es for Spanish de for German etc. For more examples please see this Wikipedia entry in particular the 639 1 column List of ISO 639 1 codes Then it's a simple matter of converting the two letter..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file Builder to create a view that serves as a template for your PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render the individual elements of the view into the PDF. In other words use IB to specify coordinates fonts images etc. and write code to render various elements.. data e.g. set text for UILabels etc. then render the individual elements of the view into the PDF. In other words use IB to specify coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't have to hard code everything. I used this approach and it.. of the view into the PDF. In other words use IB to specify coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't have to hard code everything. I used this approach and it worked out great for my needs. Again this may or may not make sense for..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events running task. This task will be terminated after 600 seconds. But there will be again a call to the expiration handler which starts another long running task etc. Now you only have to check weather the App is getting back to foreground. Then close the bgTask and you're done. Maybe one can do sth. like this inside the expirationHandler..
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 implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController Detail view of a tweet user etc Replies UITableViewController ... This seems to work ^1 but appears to be unsupported according to the SDK documentation for pushViewController animated emphasis..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller the Fields in MFMailComposeViewController Is it possible to somehow lock the fields in an MFMailComposeViewController so that the body recipients etc cannot be changed by the user I need the e mail the user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown is that with ARC the runtime needs to know what to do with the result of the method you're calling. The result could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There are really only 4 things that ARC would consider for the return.. of the object type you're working with. 2 There are really only 4 things that ARC would consider for the return value 3 Ignore non object types void int etc Retain object value then release when it is no longer used standard assumption Release new object values when no longer used methods in the init copy family or..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications to be the best available technical approaches to this problem at the present time Please refrain from non programming answers about how piracy is inevitable etc. iphone piracy piracy prevention share improve this question UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
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 other gesture recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy. How to detect any tap inside an MKMapView sans tricks WildcardGestureRecognizer tapInterceptor WildcardGestureRecognizer..
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 are implementing the check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter defaultCenter addObserver self selector..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults something relevant to your own object void encodeWithCoder NSCoder encoder Encode properties other class variables etc encoder encodeObject self.question forKey @ question encoder encodeObject self.categoryName forKey @ category encoder encodeObject..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk does not limit downward what iOS version you can program to or support. Once you've patched things up in your project etc. cf. next section you can set iPhone OS Deployment Target to a lower iOS version. For a quick shot of how to do this cf...
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework frequency we can reliably detect is ONE complete wave within that window ie a 44Hz wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where every pair of points..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 from Xcode 3.x through to Xcode 4.6.x Bonus script to let you auto include Bundles i.e. include PNG files PLIST files etc from your library see below scroll to bottom now supports iPhone5 using Apple's workaround to the bugs in lipo . NOTE the.. ######### # # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project you will need to add.. ...that is the location of your Universal Build. How to include non sourcecode files in your project PNG PLIST XML etc Do everything above check it works Create a new Run Script phase that comes AFTER THE FIRST ONE copy paste the code below..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel different types of font bold and normal but you could also have different font size different color italics underlined etc. Take a look at NSAttributedString NSMutableAttributedString and CoreText attributes string keys . Hope it helps share..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios 0 This will return a two letter code for the currently selected language. en for English es for Spanish de for German etc. For more examples please see this Wikipedia entry in particular the 639 1 column List of ISO 639 1 codes Then it's a simple..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file a template for your PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render the individual elements of the view into the PDF. In other words use IB to specify coordinates fonts images.. render the individual elements of the view into the PDF. In other words use IB to specify coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't have to hard code.. use IB to specify coordinates fonts images etc. and write code to render various elements e.g. UILabel UIImageView etc. in a generic way so you don't have to hard code everything. I used this approach and it worked out great for my needs...
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events after 600 seconds. But there will be again a call to the expiration handler which starts another long running task etc. Now you only have to check weather the App is getting back to foreground. Then close the bgTask and you're done. Maybe..
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 Accounts UITableViewController UITabBarController Tweets UITableViewController Detail view of a tweet user etc Replies UITableViewController ... This seems to work ^1 but appears to be unsupported according to the SDK documentation..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller Is it possible to somehow lock the fields in an MFMailComposeViewController so that the body recipients etc cannot be changed by the user I need the e mail the user sends to go to a particular account and the body to meet certain..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown know what to do with the result of the method you're calling. The result could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There are really only 4 things.. with. 2 There are really only 4 things that ARC would consider for the return value 3 Ignore non object types void int etc Retain object value then release when it is no longer used standard assumption Release new object values when no longer..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications to this problem at the present time Please refrain from non programming answers about how piracy is inevitable etc. iphone piracy piracy prevention share improve this question UPDATE Please visit and read Thanks to chpwn in the comments...
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert
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