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2014/10/15 ¤U¤È 10:15:43
iphone Programming Glossary: variousWhen should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loading..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense to print such values. int main int argc const char..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various forums blogs and apple docs. Now I try make short summary of my searches and experiments. Problem was..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen default png and got this info from the phunkwerks site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk which tell how to draw polylines on map. But most of the examples had a preloaded .csv file with various coordinates. Is there an alternate way to get the coordinates from Google or any other provider as the..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections initWithRequest request delegate self The problem with asynchronous requests is when you have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've used others..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file comes to programmatically drawing a PDF file. I would like to programmatically create a PDF using various objects from views throughout my app. I am interested to know if there are any good PDF tutorials around.. 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.. nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various elements. I used tags to find the appropriate elements but you could do this other ways. Example UILabel..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers share of googling about this and I found what appears to be a decent article talking about the various methods of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height UIPickerView alloc initWithFrame CGRectMake 0.0 0.0 320.0 120.0 You will discover that at various heights and widths there are visual glitches. Obviously these glitches would either need to be worked..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library c cocoa cocoa touch pop3 share improve this question MessageFramework on CocoaDev lists various possibilities Sending emails from Cocoa also lists several frameworks including Pantomime MailCore and..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone you can do something like the example below. However you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over all. #import..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc behind viewDidUnload . One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loading from a nib or programmatically inside loadView for instance...
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone If you include their code for the NSData category you can write something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense to print such values. int main int argc const char argv NSAutoreleasePool pool NSAutoreleasePool alloc init..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various forums blogs and apple docs. Now I try make short summary of my searches and experiments. Problem was caused by citation from apple Technical Q A QA1490 http developer.apple.com..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen PNGs for the iPad with specific names. I googled iPad default png and got this info from the phunkwerks site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size of the iPad is 768 1024 notice in the dimensions that follow..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk from current location. I am aware of sites on the internet which tell how to draw polylines on map. But most of the examples had a preloaded .csv file with various coordinates. Is there an alternate way to get the coordinates from Google or any other provider as the location is selected dynamically. If NO how do I get the..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections following NSURLConnection connection NSURLConnection alloc initWithRequest request delegate self The problem with asynchronous requests is when you have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching and ugly code begins to formulate going What kind of data..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started to zoom in and out or have a background or anything. I have the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've used others General knowledge of procedural programming from years ago..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file framework is tedious work in my honest opinion when it comes to programmatically drawing a PDF file. I would like to programmatically create a PDF using various objects from views throughout my app. I am interested to know if there are any good PDF tutorials around for the iOS SDK maybe a drop in library. I've seen this.. 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 worked out great for my needs. Again.. mainBundle loadNibNamed @ ReportTemplate owner self options nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various elements. I used tags to find the appropriate elements but you could do this other ways. Example UILabel label UILabel templateView viewWithTag TAG_FIRST_NAME if..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers by the final line in the above quote. I've been doing my fair share of googling about this and I found what appears to be a decent article talking about the various methods of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html Method #5 even indicates delegates as an..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height and passing a desired frame size at creation time e.g smallerPicker UIPickerView alloc initWithFrame CGRectMake 0.0 0.0 320.0 120.0 You will discover that at various heights and widths there are visual glitches. Obviously these glitches would either need to be worked around somehow or choose another size that doesn't exhibit..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library I'm overlooking to simplify this. Thanks. iphone objective c cocoa cocoa touch pop3 share improve this question MessageFramework on CocoaDev lists various possibilities Sending emails from Cocoa also lists several frameworks including Pantomime MailCore and EdMessage the site for this seems to be down but there is..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone get the actual bytes of memory that your application is using you can do something like the example below. However you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over all. #import mach mach.h ... void report_memory void struct task_basic_info..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loading from a nib or programmatically..
iPhone - How do you color an image? http://stackoverflow.com/questions/1223340/iphone-how-do-you-color-an-image How do you color an image I would love to know how to color an image make a white .png red for example . I have seen various suggestions but never any confirmation that this is actually possible. I have tried this UIImage colorizeImage UIImage baseImage..
Debugging App When Launched by Push Notification http://stackoverflow.com/questions/1239000/debugging-app-when-launched-by-push-notification time trying to debug the code using UIAlertViews as there are many lines of communication back and forth between the various servers. Any advice you have for me would be greatly appreciated. iphone push notification share improve this question..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone category you can write something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense to print such values. int main int argc const char argv NSAutoreleasePool..
UIViewController. viewDidLoad vs. viewWillAppear: What is the proper division of labor? http://stackoverflow.com/questions/1579550/uiviewcontroller-viewdidload-vs-viewwillappear-what-is-the-proper-division-of even fail who knows you can populate the view with your data. Good examples on how this could be done can be seen in various twitter clients. For example when you view the author detail page in Twitterrific the view only says Loading... until the..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various forums blogs and apple docs. Now I try make short summary of my searches and experiments. Problem was caused by citation..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen I googled iPad default png and got this info from the phunkwerks site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size of the iPad is 768..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk sites on the internet which tell how to draw polylines on map. But most of the examples had a preloaded .csv file with various coordinates. Is there an alternate way to get the coordinates from Google or any other provider as the location is selected..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections NSURLConnection alloc initWithRequest request delegate self The problem with asynchronous requests is when you have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching and ugly code begins..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started or anything. I have the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've used others General knowledge..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file opinion when it comes to programmatically drawing a PDF file. I would like to programmatically create a PDF using various objects from views throughout my app. I am interested to know if there are any good PDF tutorials around for the iOS SDK.. 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.. owner self options nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various elements. I used tags to find the appropriate elements but you could do this other ways. Example UILabel label UILabel templateView..
Can you make the settings in Settings.bundle default even if you don't open the Settings App http://stackoverflow.com/questions/510216/can-you-make-the-settings-in-settings-bundle-default-even-if-you-dont-open-the default even if you don't open the Settings App I have an iPhone application with a settings.bundle that handles various settings for my application. I can set default values in my root.plist file using the DefaultValue property but these only..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers I've been doing my fair share of googling about this and I found what appears to be a decent article talking about the various methods of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height time e.g smallerPicker UIPickerView alloc initWithFrame CGRectMake 0.0 0.0 320.0 120.0 You will discover that at various heights and widths there are visual glitches. Obviously these glitches would either need to be worked around somehow or..
Why am I having to manually set my view's frame in viewDidLoad? http://stackoverflow.com/questions/6757018/why-am-i-having-to-manually-set-my-views-frame-in-viewdidload viewWillAppear is your one and only opportunity. Just remember that this size may change after the view appears for various reasons including rotation events or changes in status bar height. For this reason it's important to give every subview..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library Thanks. iphone objective c cocoa cocoa touch pop3 share improve this question MessageFramework on CocoaDev lists various possibilities Sending emails from Cocoa also lists several frameworks including Pantomime MailCore and EdMessage the site..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone application is using you can do something like the example below. However you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over all. #import mach mach.h .....
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