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2014/10/15 ¤U¤È 10:05:27
iphone Programming Glossary: consideringhow can i trace the finger movement on touch for drawing smooth curves? http://stackoverflow.com/questions/1052119/how-can-i-trace-the-finger-movement-on-touch-for-drawing-smooth-curves i want to draw a path in curve style...... i had seen that GLPaint OpenglES example but it will not help me alot considering if your finger movement is fast..... something like making a smooth curve..... any one have some kind of example please.. of curve due to getting less number of touch points....... now as mark said piecewise fashion ihad tried it like considering first four touch points and render them on screen then remove the first point then again go for next four points ex. step..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos the returned image is a raw UIImage making it impossible to know the file size of the image that was selected. I'm considering making a table of hashes and matching against the first x pixels of each image. This seems a bit over the top though and..
Monotouch or Titanium for rapid application development on IPhone? http://stackoverflow.com/questions/1488402/monotouch-or-titanium-for-rapid-application-development-on-iphone
How can I reduce the number of annotations on a map? http://stackoverflow.com/questions/2200504/how-can-i-reduce-the-number-of-annotations-on-a-map new pin. You need to vary d based on the current zoom level. You can reduce the number of pins you check against by considering only pins in a bounding box centered on the new pin. The box could be d x d degrees on a side with d varying based on zoom..
iPhone app rejection for using ICU (Unicode extensions) http://stackoverflow.com/questions/2427838/iphone-app-rejection-for-using-icu-unicode-extensions app rejection for using ICU Unicode extensions I received the following mail form Apple considering my application Thank you for submitting your update to ομοθε ία to the App Store. During our review of your application..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization I think this is just laziness and appalling to disciplined computer science. But it has occurred to me that maybe considering the complexity and performance of algorithms is going the way of assembly loop unrolling and other optimization techniques..
What type of webservice works best with iOS? http://stackoverflow.com/questions/3152700/what-type-of-webservice-works-best-with-ios ease of working with on the server What scheme should I use for ease of working with on iOS What scheme should I use considering the project as a whole Is using an XML based scheme better despite the network overhead Why php iphone web services ipad..
http://stackoverflow.com/questions/3712979/applicationwillenterforeground-vs-applicationdidbecomeactive-applicationwillre input on best practices to follow on choosing which delegates to implement for waking up and going to sleep as well as considering events like being interrupted by SMS calls. Thanks iphone objective c share improve this question When waking up i.e...
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview 1.2em @end This is not private API usage it is just subclassing. It's possible Apple may disagree of course though considering how we all used to swizzle everything in order to customize UIKit appearance I feel that this kind of œprivate usage is not..
Passing parameters to addTarget:action:forControlEvents http://stackoverflow.com/questions/3988485/passing-parameters-to-addtargetactionforcontrolevents that triggered the message action @selector switchToNewsDetails event It is not clear what exactly you try to do but considering you want to assign a specific details index to each button you can do the following set a tag property to each button equal..
Finding image type from NSData or UIImage http://stackoverflow.com/questions/4147311/finding-image-type-from-nsdata-or-uiimage to find anything. TIA. Edit Do I really need the file extension I'm persisting it to an external storage Amazon S3 but considering that it will always be used in the context of iOS or a browser both of whom seem fine in interpreting the data without an..
Using iOS Developer Enterprise Program for beta testing? http://stackoverflow.com/questions/5007954/using-ios-developer-enterprise-program-for-beta-testing iOS Developer Enterprise Program for beta testing We are considering using the iOS Enterprise Developer Program to better support continuous integration and wireless distribution for our in..
Can somebody explain the process of a UIViewController birth (which method follows which)? http://stackoverflow.com/questions/5107604/can-somebody-explain-the-process-of-a-uiviewcontroller-birth-which-method-follo it has no view object associated with it. The view is only instantiated when and if it is required. So without considering the view the lifecycle of a viewController is the same as any other object UIViewController myVC UIViewController alloc..
Looking for experiences on the Apple MFi program registration process [closed] http://stackoverflow.com/questions/5734071/looking-for-experiences-on-the-apple-mfi-program-registration-process cannot register into the Mfi program so it seems we would have to formalize our collaboration before seriously considering iphone as an option. Am I right We have the hardware and we have a clear idea about the iphone app. The communication interface..
Barcode Generation inside of IOS http://stackoverflow.com/questions/5759073/barcode-generation-inside-of-ios this question The only free library to do this is Cocoa Touch Barcodes which is a fork of cocoabarcodes . If you are considering commercial libraries there is one called iPhone Barcode Generator . update Check this objective c port of ZXing https github.com..
http://stackoverflow.com/questions/6553540/merge-pdf-files-on-ios a new one with 600 pages of course having only ~5MB size magic . The execution took around 30 seconds not so bad considering an iPad 1 and allocated 17MB ouch . The app luckily didn't crash but I think iOS would love to kill an app consuming 17MB..
how to display UIActivityIndicatorView BEFORE rotation begins http://stackoverflow.com/questions/7041261/how-to-display-uiactivityindicatorview-before-rotation-begins tableView all of whose heights need to be recalculated. When which is not a very common use case or I wouldn't even be considering this approach there are very many rows all the new heights are calculated and then cached during a tableView reloadData..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate didn't help at all. So once again I had to go through the steps I outlined in my answer which again did the trick. But considering how annoying it is to have to create new App IDs and update provisioning profiles each time I thought it best to update..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore app that currently runs on a very expensive ruggedized PDA. Since most of the engineers we sell to have iPhones we are considering moving to the much nicer newer platform. A couple of questions Is it possible to sell iPhone apps with out the app store..
Need content in UIWebView to display quickly http://stackoverflow.com/questions/1246420/need-content-in-uiwebview-to-display-quickly it doesn't. http discussions.apple.com thread.jspa threadID 1588010 Jul 29 Aug 20 Some solutions might be found here . Considering UIImage imageWithData ... David describes some code for an implementation of an asynchronous caching image downloader for..
Determine if current local time is between two times (ignoring the date portion) http://stackoverflow.com/questions/2108223/determine-if-current-local-time-is-between-two-times-ignoring-the-date-portion if current local time is between two times ignoring the date portion Considering that there is no NSTime in Cocoa Touch Objective C on iPhone and given two times as NSStrings and a timezone as an NSString..
Python module for binary plist http://stackoverflow.com/questions/3725268/python-module-for-binary-plist containing a binary plist instead of json for example. The server is Apache with mod_python and django installed. Considering adding bplist format alongside json as output formats just inorder to simplify parsing on the iPhone plus cutting the data..
How does Sencha Touch + PhoneGap perform compared to native apps in terms of speed? http://stackoverflow.com/questions/5220377/how-does-sencha-touch-phonegap-perform-compared-to-native-apps-in-terms-of-spe to use GC or not. This wouldn't be a problem on Android. Android always had those struggling because of GC on Java. Considering this fact most of Android users doesn't care about UX a lot. But on iOS your HTML5 based app never be better experience..
http://stackoverflow.com/questions/5997708/uitextview-inside-uitableview touchesBegan touches withEvent event this will send the touch events to its superview which would be your tableView. Considering you didn't want to make custom UITableViewCells I imagine you probably don't want to make a custom textView class either...
QLPreviewController remove or add UIBarButtonItems http://stackoverflow.com/questions/6957091/qlpreviewcontroller-remove-or-add-uibarbuttonitems so where the print button is . I managed to get a custom toolbar at the bottom but that's not really what I want. Considering that it is not possible to add custom button at the place of the print button I still want to remove the printbutton and..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate beta to the public release of 5.0.1. The last time it happened to me was after changing my managed context data model. Considering I haven't released the app yet I didn't bother merging a new version of the model. I just deleted and reinstalled the app..
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