2014/10/15 下午 10:14:30
iphone Programming Glossary: storageiOS PNG Image rotated 90 degrees http://stackoverflow.com/questions/10307521/ios-png-image-rotated-90-degrees
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data safe and can certainly be done programatically at runtime. Update for iOS5 With the introduction of external binary storage allowsExternalBinaryDataStorage or Store in External Record File in iOS 5 and OS X 10.7 simply deleting files pointed by..
Limit of localstorage on iPhone? http://stackoverflow.com/questions/1921048/limit-of-localstorage-on-iphone of localstorage on iPhone I'm wondering what's the limit of localstorage HTML 5 on iPhone I read that it was like 5 Mb but I'm surprised.. of localstorage on iPhone I'm wondering what's the limit of localstorage HTML 5 on iPhone I read that it was like 5 Mb but I'm surprised is so little. Any ideas iphone html5 local storage share.. HTML 5 on iPhone I read that it was like 5 Mb but I'm surprised is so little. Any ideas iphone html5 local storage share improve this question The current default on iPhone is 5.0 MB. If your database grows beyond this limit the user..
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation rotate the image 90 degrees so it will display correctly. Be clear that this 㶥otation does not effect the underlying storage of the UIImage which remains as 3264w x 2448h. If you capture an image in landscape mode image.imageOrientation will return.. tells displaying software that the image is fine to display as it is no rotation is necessary. Again the underlying storage of the UIIMage is 3264w x 2448h. Once you are clear about the difference between how the data is physically stored vs. how.. this line of code sees the orientation property and rotates the image appropriately while NOT touching the underlying storage at 3264x2448 . Flow of control goes to the E Mailer code now and the orientation property is still present in gImag so when..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone for any advice on the approach and pitfalls from anyone who has attempted this. iphone design image core data storage share improve this question The rule for storing image data in Core Data is as follows 100 kb store in the related entity..
http://stackoverflow.com/questions/2486705/storing-image-in-plist c share improve this question The UIImage doesn't implement the NSCoder protocol 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..
CoreData : store images to DB or not? http://stackoverflow.com/questions/2573072/coredata-store-images-to-db-or-not via a relationship to avoid loading unnecessarily 1mb store on disk and reference it inside of Core Data Update The storage inside of Core Data should be binary and you can write accessor methods for it. Take a look at this answer http stackoverflow.com..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation runtime but older ones don't. So while both code examples will work on actually iPhones synthesizing the necessary storage the second example will fail to compile for the simulator unless you have an up to date Xcode. share improve this answer..
What exactly does @synthesize do? http://stackoverflow.com/questions/3266467/what-exactly-does-synthesize-do objective c share improve this question In your example mapView1 is an instance variable ivar a piece of memory storage that belongs to an instance of the class defined in example.h and example.m . mapView is the name of a property . Properties..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting between CoreText and UITextInput . This includes but is not limited to text selection highlight background colors text storage management efficiency spell checking etc. Some of these are provided by system frameworks but still need a lot of integration...
When to use PNG or JPG in iPhone development? http://stackoverflow.com/questions/3929281/when-to-use-png-or-jpg-in-iphone-development perfect non lossy and require very little extra CPU energy to display. However large PNGs may take longer to read from storage than more compressed image formats and thus be slower to display. JPG's are smaller to store but lossy amount depends on..
How to delete all cookies of UIWebView? http://stackoverflow.com/questions/4471629/how-to-delete-all-cookies-of-uiwebview you can go trough each cookie in the Cookie Jar and delete them like so NSHTTPCookie cookie NSHTTPCookieStorage storage NSHTTPCookieStorage sharedHTTPCookieStorage for cookie in storage cookies storage deleteCookie cookie NSUserDefaults standardUserDefaults..
http://stackoverflow.com/questions/5139302/sqlite-database-on-phonegap PhoneGap as in desktop browsers. Web SQL databases are one implementations of what's more broadly referred to as local storage . I think that the best introductionary text on that topic can be found in Mark Pilgrim's Dive into HTML5 http diveintohtml5.info..
iPhone:Programmatically compressing recorded video to share? http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share this question If you are wanting to compress the video for remote sharing and to keep the original quality for local storage on the iPhone you should look into AVAssetExportSession or AVAssetWriter . Also read up on how iOS manages Assets . void..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template. I compiled it and did some hard hitting with some help of a for loop to create around 2k entries all with some..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However..
Most efficient way to draw part of an image in iOS http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios don't fit a GPU interface very well. It allows reading operation freely and it's fast. That means it assumes back end storage is located in memory near the CPU. Reading from GPU memory is usually very expensive slow. Maybe somewhat different on unified..
http://stackoverflow.com/questions/856019/localize-currency-for-iphone Currency for iPhone I would like my iPhone app to allow the input display and storage of currency amounts using the appropriate symbol 瞼 etc for the user. Would NSNumberFormatter do everything I need What happens..
http://stackoverflow.com/questions/11316082/apps-must-follow-the-ios-data-storage-guidelines-nothing-in-documents-but-stil must follow the iOS Data Storage Guidelines nothing in documents but still some kbs sent to iCloud My app got rejected with for the following reason Your.. still some kbs sent to iCloud My app got rejected with for the following reason Your app does not follow the iOS Data Storage Guidelines as required by the App Store Review Guidelines. Your app backs up 4.0 MB of data to each user's iCloud space.. or modified by the user. To check how much data your app is storing Install and launch your app Go to Settings iCloud Storage and Backup Manage Storage If necessary select Show all apps Check your app's storage The iOS Data Storage Guidelines indicate..
How much can SQLite store on the iPhone? http://stackoverflow.com/questions/1752830/how-much-can-sqlite-store-on-the-iphone be stored in mobile Safari's SQLite db. I tried searching through the Apple docs but found nothing Safari Client Side Storage and Offline Applications Programming Guide Using the JavaScript Database iphone sqlite safari share improve this question..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation Declaration and Automatic Backing Storage Allocation I'm trying to understand Objective C properties and I have some lingering questions about their syntax. What..
iCloud + Storage of media in iPhone Documents folder http://stackoverflow.com/questions/7762743/icloud-storage-of-media-in-iphone-documents-folder Storage of media in iPhone Documents folder I like many developers got an email from Apple recently that stated we should move..
Storing UIImage in Core Data with the new External Storage flag http://stackoverflow.com/questions/7924840/storing-uiimage-in-core-data-with-the-new-external-storage-flag UIImage in Core Data with the new External Storage flag I know that the storing of UIImage's in core data has been discussed a lot such as here but that was pre ios5. Now..
Where we have to store download data in iPhone application? http://stackoverflow.com/questions/7963484/where-we-have-to-store-download-data-in-iphone-application after payment in users Documents folder. Apple has rejected my application it's says you are not following iOS Data Storage guideline. Can any one help me how to implement iCloud functionality in my application Thank you iphone ios icloud share.. functionality in my application Thank you iphone ios icloud share improve this question According to the iOS Data Storage Guidelines you should probably be storing your purchased data inside the Application_Home Library Caches directory. The..
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 to update what I've learned to potentially narrow down the cause and get to a quicker solution. Going through iCloud Storage Backup Manage Storage then deleting the app would appear to be the best solution to empty the data but doing this seems.. learned to potentially narrow down the cause and get to a quicker solution. Going through iCloud Storage Backup Manage Storage then deleting the app would appear to be the best solution to empty the data but doing this seems to corrupt the container..
Adding the “Do Not Backup” attribute to a folder hierarchy in iOS 5.0.1 http://stackoverflow.com/questions/8694112/adding-the-do-not-backup-attribute-to-a-folder-hierarchy-in-ios-5-0-1 the &ldquo Do Not Backup&rdquo attribute to a folder hierarchy in iOS 5.0.1 Referencing iCloud Storage of media in iPhone Documents folder which shows how to set the iOS 5.0.1 Do Not Backup attribute for a file. Is there an..
Application rejected because of not following iOS Data Storage Guidelines http://stackoverflow.com/questions/8818117/application-rejected-because-of-not-following-ios-data-storage-guidelines rejected because of not following iOS Data Storage Guidelines We're storing data into Document directory of application and we got rejection of application. We've tried with.. 1 int result setxattr filePath attrName attrValue sizeof attrValue 0 0 return result 0 We've used it as per iOS Data Storage Guidelines. In earlier version we've also tried with storing data in Private directory. But we were not able to get approval.. further comm and this question is relatively new so I'll expand. For others to see the rejection you get The iOS Data Storage Guidelines specify Only documents and other data that is user generated or that cannot otherwise be recreated by your application..
Should URLForUbiquityContainerIdentifier: be called in a thread outside the main thread? http://stackoverflow.com/questions/9050359/should-urlforubiquitycontaineridentifier-be-called-in-a-thread-outside-the-main to run on a different thread than the main thread. Here is a snippet of using Grand Central Dispatch to utilize iCloud Storage on a different thread dispatch_queue_t globalQueue dispatch_get_global_queue QUEUE_PRIORITY_DEFAULT 0 dispatch_async globalQueue..
Iphone localStorage “QUOTA_EXCEEDED_ERR” issue http://stackoverflow.com/questions/9077101/iphone-localstorage-quota-exceeded-err-issue localStorage &ldquo QUOTA_EXCEEDED_ERR&rdquo issue I trying to use Client Side Storage available in HTML5 localStorage for Iphone Application.. localStorage &ldquo QUOTA_EXCEEDED_ERR&rdquo issue I trying to use Client Side Storage available in HTML5 localStorage for Iphone Application and I'm completely aware of the QUOTA associated for localStorage.. localStorage &ldquo QUOTA_EXCEEDED_ERR&rdquo issue I trying to use Client Side Storage available in HTML5 localStorage for Iphone Application and I'm completely aware of the QUOTA associated for localStorage which is currently 5MB . Now the..
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