2014/10/15 下午 10:03:30
iphone Programming Glossary: additionCreating an SQLite3 database file through Objective-C http://stackoverflow.com/questions/10540728/creating-an-sqlite3-database-file-through-objective-c and strStoreReg . I'm new to iOS and SQLite so I'm having a hard time finding the syntax to perform this. In addition to creating the table I want the created table to reside NOT in the app bundle but rather it would reside be stored somewhere..
UITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation this question I 脎e run into this problem before. You are trying to delete all rows from a section and then in addition that now empty section. However it is sufficient and proper to remove that section only. All rows within it will be removed..
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 dealloc be called anyway iphone objective c ios cocoa touch memory management share improve this question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload . One of the most important.. could have been set through IBOutlets when loading from a nib or programmatically inside loadView for instance. The additional ownership of subviews by the UIViewController means that even when its view is removed from the view hierarchy and released.. still contains its own outstanding retaining references to those objects as well. Releasing the UIViewController's additional ownership of these objects ensures they will be deallocated as well to free memory. The objects that you release here..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec code. The accessor methods will be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming myClass is an object of type..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone share improve this question A little more detail... I posted earlier this evening with a consolidation and small addition to what had been said on this page that can be found at the bottom of this post. I am editing the post at this point however..
How can my server securely authenticate iPhone in-app purchase? http://stackoverflow.com/questions/1581246/how-can-my-server-securely-authenticate-iphone-in-app-purchase receives a transactionReceipt after the purchase. Have the iPhone base64 encode it You can use this open source addition to NSData and send it to your server. You could even send it as is and have the server base64 encode it before validation...
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc) http://stackoverflow.com/questions/2256625/comparison-of-json-parser-for-objective-c-json-framework-yajl-touchjson-etc JSON Framework has relatively long history and is widely used. Touch JSON parses NSData instead of NSString. In addition as far as I tested the result of performance comparison is as follows fast YAJL JSON Framework Touch JSON slow . If you..
Landscape Mode ONLY for iPhone or iPad http://stackoverflow.com/questions/2647786/landscape-mode-only-for-iphone-or-ipad to create an application that doesn't use Portrait mode. I am not sure if I need to edit the plist or have code in addition to the plist iphone objective c cocoa touch uikit ipad share improve this question Code found here Launching in Landscape..
Localization of icon and default screen in iPhone http://stackoverflow.com/questions/2700311/localization-of-icon-and-default-screen-in-iphone iPhone application should be internationalized and have a language.lproj directory for each language it supports. In addition to providing localized versions of your application 䏭 custom resources you can also localize your application icon Icon.png..
Recommended Reading for iPhone Core Animation http://stackoverflow.com/questions/2907068/recommended-reading-for-iphone-core-animation MacOSX little iphone. Thanks in advance for any suggestions iphone core animation share improve this question In addition to the books suggested by Alex and nevan of which I'd recommend Marcus Zarra and Matt Long's newer Core Animation book given..
iPhone Documents directory and UIFileSharingEnabled, hiding certain documents http://stackoverflow.com/questions/2942855/iphone-documents-directory-and-uifilesharingenabled-hiding-certain-documents locally with all the files inside it. Instead store private documents in Library Preferences According to Apple In addition to the directories documented previously the entire Library directory has always been preserved during updates and backups..
Behaviour for significant change location API when terminated/suspended? http://stackoverflow.com/questions/3421242/behaviour-for-significant-change-location-api-when-terminated-suspended location events. When you restart location services the current event is delivered to your delegate immediately. In addition the location property of your location manager object is populated with the most recent location object even before you..
Downloading a Large File - iPhone SDK http://stackoverflow.com/questions/4002979/downloading-a-large-file-iphone-sdk @ stream streamError When you're done close the stream stream close A better approach would be to add the stream in addition to the data ivar set the helper as the stream's delegate buffer incoming data in the data ivar then dump the data ivar's..
http://stackoverflow.com/questions/459833/which-open-source-licenses-are-compatible-with-the-apples-iphone-and-its-offici you distribute. The rights for statically linking LGPL code with proprietary code comes from section 6 of the LGPL. In addition to the rights granted that section deals with the requirements on your part towards downstream recipients of your code...
What are the alternatives to Core-Plot for drawing graphs in iPhone SDK http://stackoverflow.com/questions/5065416/what-are-the-alternatives-to-core-plot-for-drawing-graphs-in-iphone-sdk cocoacontrols.com platforms ios controls tapku graph thanks Sudo for this link http www.shinobicontrols.com latest addition https github.com sweetynebhwani deSimpleChart These links do not work. They are already down http code.google.com p s7graphview..
http://stackoverflow.com/questions/5960731/strange-behavior-of-select-dropdowns-onchange-js-event-when-using-next-on-m and Desktop browsers. On Mobile Safari when a drowdown is touched a list is shown where the user can select items. In addition the selection box has the Previous Next Autofill Done buttons to navigate to other form elements. So the user touches the..
How to get click event from a button added over MKAnnotationView http://stackoverflow.com/questions/6941199/how-to-get-click-event-from-a-button-added-over-mkannotationview will prevent the map view's didSelectAnnotationView delegate method from firing. If you need that method to fire in addition to the button's gesture handler method then add the following in the view controller's interface @interface YourVC UIViewController..
NSDefaultRunLoopMode vs NSRunLoopCommonModes http://stackoverflow.com/questions/7222449/nsdefaultrunloopmode-vs-nsrunloopcommonmodes method applied on NSURLConnection 's instance means please associate the connection source events to tracking mode in addition to default mode . Finally you can add new modes to the common modes but this is a quite low level operation. I would like..
How to lose margin/padding in UITextView? http://stackoverflow.com/questions/746670/how-to-lose-margin-padding-in-uitextview This makes the left offset flush with the left side and the top offset where I want it for the box its draw in. In addition this only seems to apply to UITextViews where you are using the default aligment ie. nameField.textAlignment UITextAlignmentLeft..
iMessage Style Receding Keyboard in an iOS App http://stackoverflow.com/questions/7780753/imessage-style-receding-keyboard-in-an-ios-app serious hoops to get an instance of the Keyboard's View. And I'm pretty sure Apple wouldn't be happy with that. In addition to the answer given below you can see a fully baked xcode project of my implementation here https github.com orta iMessage..
Custom UIPickerView with Custom Background color http://stackoverflow.com/questions/11426219/custom-uipickerview-with-custom-background-color giving. Is that possible How it can be done iphone cocoa touch io uipickerview picker share improve this question Addition to Nina's answer below are some of the good custom Picker view controls which will be good to use in terms of performance..
If you could buy two books on iOS development, which ones would you choose? [closed] http://stackoverflow.com/questions/3196419/if-you-could-buy-two-books-on-ios-development-which-ones-would-you-choose you could buy two books on iOS development which ones would you choose closed Addition Think its worth having a look at this again as a number of new books havve are being released with updates to iOS4 and the..
How to find a pixel-positon of a cursor in UITextView? http://stackoverflow.com/questions/3920944/how-to-find-a-pixel-positon-of-a-cursor-in-uitextview whether a particular character follows character wrapping like Chinese characters or word wrapping like English Addition Here's my implementation based on Tony's algorithm. I placed one UITextView in a landscape mode so its width is 1024 and..
Detect horizontal panning in UITableView http://stackoverflow.com/questions/5426306/detect-horizontal-panning-in-uitableview Perform some code else Maybe pass the touch from here It's panning vertically So any advice on how to pass the touches Addition I also thought to maybe subclass the tableview's gesture recognizer method to first check if it's horizontal However then..
Last In-First Out Stack with GCD? http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd many relationships despite what the official documentation appears to say. But I'm not using one in this context yet. Addition Just to note that while the topic is How do I create a Last In First Out Stack with GCD in reality I just want to solve..
http://stackoverflow.com/questions/7695425/my-retaincount-is-increasing InternetConnection openExternalUrl self.artical.link else InternetConnection ShowNoInternetAlert @end Addition when i was invoking the Artical i used avc ArticalViewController alloc initWithNibName @ ArticalViewController bundle nil..
StoreKit: Catch failed restore? http://stackoverflow.com/questions/7754900/storekit-catch-failed-restore but this method gets called in the case when restoring was succesful too. What to do now How can I catch such a case Addition I have a progress indicator telling Contacting App Store and I need an invocation where I can hide it in failed cases too...
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