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2014/10/15 ¤U¤È 10:12:16
iphone Programming Glossary: obtainedRetrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage a pixel alpha value for a UIImage I am currently trying to obtain the alpha value of a pixel in a UIImageView. I have obtained the CGImage from UIImageView image and created a RGBA byte array from this. Alpha is premultiplied. CGImageRef image uiImage.CGImage..
Cropping UIImage like camscanner http://stackoverflow.com/questions/10477195/cropping-uiimage-like-camscanner feature similar to Cam Scanner Cropping. The screens of CAM SCANNER are I have created similar crop view. I have obtained CGPoint of four corners. But How can I obtained cropped image in slant. Please provide me some suggestions if possible... screens of CAM SCANNER are I have created similar crop view. I have obtained CGPoint of four corners. But How can I obtained cropped image in slant. Please provide me some suggestions if possible. iphone objective c uiimage core animation crop..
Iphone Core Data crashing on Save http://stackoverflow.com/questions/1230858/iphone-core-data-crashing-on-save formatted before. When this view controller gets created if it is not a new message it is passed a message object obtained from a fetchedResultsController like so void tableView UITableView tableView didSelectRowAtIndexPath NSIndexPath indexPath..
Is calling [self release] allowed to control object lifetime? http://stackoverflow.com/questions/1385433/is-calling-self-release-allowed-to-control-object-lifetime improve this question The rules are simple. You should only release an object if you own it. i.e. the object was obtained with a method starting new or alloc or a method containing copy. Cocoa Memory Management Rules An object must not therefore..
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 talking with an iPhone that is entitled to the purchase and that Eve is not performing a replay with a dishonestly obtained receipt The receipt may be valid but that doesn't prove that the sender is the entitled party. Is there any notion of a..
http://stackoverflow.com/questions/1934187/oauth-secrets-in-mobile-apps secrets in mobile apps When using the OAuth protocol you need a secret string obtained from the service you want to delegate to. If you are doing this in a web app you can simply store the secret in your data..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone I have an application where I allow the user to add an image for their account. I wish to know how to store an image obtained from the camera or photo library using Core Data as I may offer a backup facility for the user and would be looking to transfer..
http://stackoverflow.com/questions/2176127/core-data-and-core-location Is there a way to use Core Location's getDistanceFrom method to find the five nearest locations to a CLLocation obtained from the GPS Do I have to load all the objects using Core Data and parse through them using getDistanceFrom on each one..
Detect if certain UIView was touched amongst other UIViews http://stackoverflow.com/questions/2793242/detect-if-certain-uiview-was-touched-amongst-other-uiviews In your custom implementation of touchesBegan check every touch in touches set. The point for hitTest method can be obtained using CGPoint locationInView UIView view method where the view is your superView the one that contains other views . EDIT..
http://stackoverflow.com/questions/4119117/restrict-mkmapview-scrolling call setVisibleMapRect below return theOverlay below is a reference to your MKOverlay object. It could be an ivar or obtained from mapView.overlays array. BOOL mapContainsOverlay MKMapRectContainsRect mapView.visibleMapRect theOverlay.boundingMapRect.. if manuallyChangingMapRect return theOverlay below is a reference to your MKOverlay object. It could be an ivar or obtained from mapView.overlays array. BOOL mapContainsOverlay MKMapRectContainsRect mapView.visibleMapRect theOverlay.boundingMapRect..
display soft keyboard (iPad) when is connected a bluetooth input device http://stackoverflow.com/questions/4150724/display-soft-keyboard-ipad-when-is-connected-a-bluetooth-input-device for UIKeyboardImpl and I overrided BOOL isInHardwareKeyboardMode DEBUG @ is called return NO But until now I haven't obtained anything. The overrided method is called but there's no soft keyboard. Erica also said the application works by dynamic..
Is calling -[NSRunLoop runUntilDate:] a good idea? http://stackoverflow.com/questions/4923621/is-calling-nsrunloop-rununtildate-a-good-idea have a project right now that is fetching data from a REST service. One critical piece of information that needs to be obtained is the range of dates with valid data. It's a very small bit of data that only needs to be gotten once so I decided that..
http://stackoverflow.com/questions/7465713/how-to-detect-iap-crackers to do now in step 3 In your case since your app has already been cracked and you're trying to deactivate people who obtained your IAP item illicitly you'd push this functionality out in a new version of your app then call a restoreCompletedTransactions..
App Store code runs different from Xcode/Device code on iPhone 3G http://stackoverflow.com/questions/7739563/app-store-code-runs-different-from-xcode-device-code-on-iphone-3g through Xcode. The application runs fine on my iPhone 4 running iOS 5 downloaded from the App Store. So to recap App obtained from App Store is flawed on iPhone 3G App obtained from App Store is good on iPhone 4 App tethered through Xcode is good.. 4 running iOS 5 downloaded from the App Store. So to recap App obtained from App Store is flawed on iPhone 3G App obtained from App Store is good on iPhone 4 App tethered through Xcode is good on iPhone 3G These are not the only graphical inconsistencies..
Specifying HTTP referer in embedded UIWebView http://stackoverflow.com/questions/7913305/specifying-http-referer-in-embedded-uiwebview shouldn't because your app is not addressable using a URI The Referer field MUST NOT be sent if the Request URI was obtained from a source that does not have its own URI such as input from the user keyboard. ... unless you are using a custom protocol..
How to find Facebook Friends using the same app http://stackoverflow.com/questions/8475155/how-to-find-facebook-friends-using-the-same-app on Instagram and Tiger Woods 12. iphone facebook share improve this question Once you've authorised the user and obtained an access token you can quickly determine which of their friends have already authorised your app with a call to me friends..
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