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• iPhone app works hundreds of times, then crashes from memory error on startup, then never works unti

  - by peter

  I have a Cocos2d/openGL iPhone game. It's a universal app and I'm dealing with an occasional but nasty error on the iPad. We are loading a lot of textures up front (3 2048x2048 textures). I'm working on reducing this up front load, but what worries me is I really don't understand the root cause of this crash that permanently breaks the app. This is the deal: 1. App works fine for hundreds of plays on the iPad 2. Eventually (I'm guessing due to other programs using up some memory and not letting go or whatever) the app starts crashing on startup. It just closes again in the middle of loading. 3. The App will now never work again on that iPad, closing immediately every time, until the iPad is restarted. Obviously my app is demanding too much memory up front to work reliably every time, I get that. What I don't get is why when it fails once, it has failed forever until the iPad is restarted. Can anyone explain what is going on here? EDIT: forgot to add organizer crash lags just say low memory, like this every time (I changed my app name to MyAppName below). Again, I know it's low memory, but why does it stay low memory until restart?: Incident Identifier: E7A2507C-3FB1-4E3B-B315-09F094236541 CrashReporter Key: 0fda9d667f2c6073f20a76809aa25438b6854d15 OS Version: iPhone OS 3.2 (7B367) Date: 2010-04-30 16:59:44 -0400 Free pages: 437 Wired pages: 17228 Purgeable pages: 0 Largest process: MyAppName Processes Name UUID Count resident pages MyAppName <6307ce41802850944baa78d29224fa7f> 22385 (jettisoned) (active) mediaserverd <ea8bac28b06fe3980fdd44b5caceb563> 242 DTMobileIS <a0f651e43881e66f50f8a95abea72921> 5826 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 syslog_relay <4ceaed776d2df957fa130712f4ef21d0> 66 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 afcd <4f3c9566e33b4463f05603d990584e5d> 72 ptpd <83de0f774bd6553d513ae9e19b0f9b56> 181 syslogd <66247e305d5c0bf6f1ce1cc950653263> 81 lsd <a4d852c1c8da2b3d231bdc90887b52ba> 130 iapd <a8534cbde4b90ad5915dd26ab03ff3e3> 204 notifyd <5e9d5bee7c3eae1c8b494c79eb11406e> 71 BTServer <64e4a6ea6b1240db2331e05a29caa862> 108 CommCenter <97bf297944ac4bde19bcee96dd23bd5f> 181 SpringBoard <c7a5904c12db7b14334a4edaa4cabaa9> 5339 (active) configd <aca9fa3380322669164fd6b1a3864300> 373 fairplayd.K48 <2d997ffca1a568f9c5400ac32d8f0782> 84 locationd <dd1ea88105c62173908ce767db5c4d37> 599 mDNSResponder <820560222d47a1f2a0dce98a7f8a9721> 108 lockdownd <497fd54c79a680bf29f5d9320f514613> 303 MobileStorageMou <c277b79c2157c4dc5cfc5c3ca35bd5f2> 69 launchd <66972eee4d865c4383b33d985d22994b> 98 **End**

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• Undefined symbols after installing new xcode 3.2.3 build

  - by toofah

  I want to move to the new XCode 3.2.3 GM Seed build for development, but when I bring up my project I get 'base sdk missing' because my project is set to use iPhone SDK 3.0. If I change 'base SDK' to iPhone 3.2 or 4.0 and then compile I get a lot of errors that I don't understand. I dumped a few of them below. Can anyone tell me what I am missing? Also, can someone confirm that if I choose 'base sdk' of iPhone 3.2 or 4.0 that I can still choose 'target device' of iPhone 3.0 and not force my customers to install the new SDK. I really don't want to be the app that forces my customers to upgrade their OS. Thanks! Undefined symbols: ".objc_class_name_NSObject", referenced from: .objc_class_name_FlurryAPI in libFlurry.a(FlurryAPI.o) .objc_class_name_FlurrySession in libFlurry.a(FlurrySession.o) .objc_class_name_FlurryHTTPEater in libFlurry.a(FlurryHTTPEater.o) .objc_class_name_FlurryHTTPResponse in libFlurry.a(FlurryHTTPResponse.o) .objc_class_name_FlurryConnectionDelegate in libFlurry.a(FlurryConnectionDelegate.o) .objc_class_name_FlurryAd in libFlurry.a(FlurryAd.o) .objc_class_name_FlurryAdParser in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@NSObject in libFlurry.a(FlurryAdView.o) .objc_class_name_FlurryAdImage in libFlurry.a(FlurryAdImage.o) .objc_class_name_FlurryAdImpression in libFlurry.a(FlurryAdImpression.o) .objc_class_name_FlurryPageViewDelegate in libFlurry.a(FlurryPageViewDelegate.o) .objc_class_name_FlurryAdTheme in libFlurry.a(FlurryAdTheme.o) .objc_class_name_FlurryAdHook in libFlurry.a(FlurryAdHook.o) .objc_class_name_FlurryAdProperties in libFlurry.a(FlurryAdProperties.o) .objc_class_name_FlurryFileCache in libFlurry.a(FlurryFileCache.o) .objc_class_name_FlurryEvent in libFlurry.a(FlurryEvent.o) .objc_class_name_FlurryProtocolData in libFlurry.a(FlurryProtocolData.o) .objc_class_name_FlurryAdAssignment in libFlurry.a(FlurryAdAssignment.o) .objc_class_name_FlurryAdAppStoreConnectionDelegate in libFlurry.a(FlurryAdAppStoreConnectionDelegate.o) .objc_class_name_FlurryHeartBeater in libFlurry.a(FlurryHeartBeater.o) .objc_class_name_FlurryImageCache in libFlurry.a(FlurryImageCache.o) .objc_class_name_FlurryUtil in libFlurry.a(FlurryUtil.o) .objc_class_name_FlurryAdNavigationDelegate in libFlurry.a(FlurryAdNavigationDelegate.o) .objc_class_name_FlurryAdLocation in libFlurry.a(FlurryAdLocation.o) .objc_class_name_FlurryAdDimension in libFlurry.a(FlurryAdDimension.o) .objc_class_name_FlurryAdTextStyle in libFlurry.a(FlurryAdTextStyle.o) ".objc_class_name_NSFileManager", referenced from: literal-pointer@_OBJC@_cls_refs@NSFileManager in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSFileManager in libFlurry.a(FlurryFileCache.o) ".objc_class_name_NSString", referenced from: literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryHTTPEater.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryHTTPResponse.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryAd.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryFileCache.o) literal-pointer@_OBJC@_cls_refs@NSString in libFlurry.a(FlurryImageCache.o) ".objc_class_name_NSError", referenced from: literal-pointer@_OBJC@_cls_refs@NSError in libFlurry.a(FlurryUtil.o) "_OBJC_METACLASS_$_FlurryAPI", referenced from: _OBJC_METACLASS_$_NFlurryAPI in NFlurryAPI.o ".objc_class_name_UIWindow", referenced from: literal-pointer@_OBJC@_cls_refs@UIWindow in libFlurry.a(FlurryAdCanvasViewController.o) ".objc_class_name_NSException", referenced from: literal-pointer@_OBJC@_cls_refs@NSException in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSException in libFlurry.a(FlurryUtil.o) ".objc_class_name_UIColor", referenced from: literal-pointer@_OBJC@_cls_refs@UIColor in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@UIColor in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UIColor in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@UIColor in libFlurry.a(FlurryAdCanvasView.o) "_OBJC_CLASS_$_FlurryAPI", referenced from: _OBJC_CLASS_$_NFlurryAPI in NFlurryAPI.o ".objc_class_name_NSMutableSet", referenced from: literal-pointer@_OBJC@_cls_refs@NSMutableSet in libFlurry.a(FlurryAdAssignment.o) ".objc_class_name_UIFont", referenced from: literal-pointer@_OBJC@_cls_refs@UIFont in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UIFont in libFlurry.a(FlurryAdCanvasView.o) ".objc_class_name_UIImage", referenced from: literal-pointer@_OBJC@_cls_refs@UIImage in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@UIImage in libFlurry.a(FlurryAdImage.o) ".objc_class_name_UIApplication", referenced from: literal-pointer@_OBJC@_cls_refs@UIApplication in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UIApplication in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@UIApplication in libFlurry.a(FlurryAdAppStoreConnectionDelegate.o) ".objc_class_name_UILabel", referenced from: literal-pointer@_OBJC@_cls_refs@UILabel in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UILabel in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@UILabel in libFlurry.a(FlurryAdCanvasView.o) ".objc_class_name_UIView", referenced from: literal-pointer@_OBJC@_cls_refs@UIView in libFlurry.a(FlurryAdView.o) .objc_class_name_FlurryAdView in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UIView in libFlurry.a(FlurryAdCanvasViewController.o) .objc_class_name_FlurryAdListView in libFlurry.a(FlurryAdListView.o) ".objc_class_name_NSMutableString", referenced from: literal-pointer@_OBJC@_cls_refs@NSMutableString in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSMutableString in libFlurry.a(FlurryHTTPEater.o) literal-pointer@_OBJC@_cls_refs@NSMutableString in libFlurry.a(FlurryAdView.o) ".objc_class_name_NSTimer", referenced from: literal-pointer@_OBJC@_cls_refs@NSTimer in libFlurry.a(FlurryHeartBeater.o) ".objc_class_name_NSMutableData", referenced from: literal-pointer@_OBJC@_cls_refs@NSMutableData in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSMutableData in libFlurry.a(FlurryConnectionDelegate.o) literal-pointer@_OBJC@_cls_refs@NSMutableData in libFlurry.a(FlurryAdImpression.o) literal-pointer@_OBJC@_cls_refs@NSMutableData in libFlurry.a(FlurryEvent.o) ".objc_class_name_NSNumber", referenced from: literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurryAPI.o) literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurryAdImpression.o) literal-pointer@_OBJC@_cls_refs@NSNumber in libFlurry.a(FlurryAdCanvasViewController.o) "_objc_exception_match", referenced from: +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession dataForSessions:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) ".objc_class_name_UINavigationItem", referenced from: literal-pointer@_OBJC@_cls_refs@UINavigationItem in libFlurry.a(FlurryAdCanvasViewController.o) ".objc_class_name_UIViewController", referenced from: literal-pointer@_OBJC@_cls_refs@UIViewController in libFlurry.a(FlurryAdView.o) .objc_class_name_FlurryAdCanvasViewController in libFlurry.a(FlurryAdCanvasViewController.o) ".objc_class_name_NSMutableArray", referenced from: literal-pointer@_OBJC@_cls_refs@NSMutableArray in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSMutableArray in libFlurry.a(FlurryHTTPEater.o) literal-pointer@_OBJC@_cls_refs@NSMutableArray in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@NSMutableArray in libFlurry.a(FlurryImageCache.o) literal-pointer@_OBJC@_cls_refs@NSMutableArray in libFlurry.a(FlurryAdNavigationDelegate.o) ".objc_class_name_UIScreen", referenced from: literal-pointer@_OBJC@_cls_refs@UIScreen in libFlurry.a(FlurryAdCanvasViewController.o) ".objc_class_name_NSURLCache", referenced from: literal-pointer@_OBJC@_cls_refs@NSURLCache in libFlurry.a(FlurryHTTPEater.o) ".objc_class_name_NSNotificationCenter", referenced from: literal-pointer@_OBJC@_cls_refs@NSNotificationCenter in libFlurry.a(FlurryAPI.o) literal-pointer@_OBJC@_cls_refs@NSNotificationCenter in libFlurry.a(FlurryAdParser.o) literal-pointer@_OBJC@_cls_refs@NSNotificationCenter in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@NSNotificationCenter in libFlurry.a(FlurryHeartBeater.o) ".objc_class_name_NSInvocation", referenced from: literal-pointer@_OBJC@_cls_refs@NSInvocation in libFlurry.a(FlurryPageViewDelegate.o) ".objc_class_name_NSURL", referenced from: literal-pointer@_OBJC@_cls_refs@NSURL in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSURL in libFlurry.a(FlurryHTTPEater.o) literal-pointer@_OBJC@_cls_refs@NSURL in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@NSURL in libFlurry.a(FlurryAdCanvasViewController.o) "_objc_exception_extract", referenced from: +[FlurryAPI startSession:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI startSession:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI pauseSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI pauseSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI resumeSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI resumeSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endTimedEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endTimedEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:exception:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:exception:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:error:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:error:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageViews:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageViews:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageView] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageView] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setUserID:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setUserID:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setEventLoggingEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setEventLoggingEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setServerURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setServerURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setLandscapeCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setLandscapeCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppStoreURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppStoreURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setSessionReportsOnCloseEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setSessionReportsOnCloseEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppVersion:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppVersion:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setGender:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setGender:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAge:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAge:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI updateHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI updateHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI removeHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI removeHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI openCatalog:canvasOrientation:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI openCatalog:canvasOrientation:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppCircleDelegate:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppCircleDelegate:] in libFlurry.a(FlurryAPI.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession sendSessionsToServerWithTimeout:useWebView:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession sendSessionsToServerWithTimeout:useWebView:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession dataForSessions:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession dataForSessions:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) +[FlurryAdParser oldInstance] in libFlurry.a(FlurryAdParser.o) +[FlurryAdParser instance] in libFlurry.a(FlurryAdParser.o) -[FlurryAdView initWithAd:hook:xLoc:yLoc:parent:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView initWithAd:hook:xLoc:yLoc:parent:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView refreshWithAd] in libFlurry.a(FlurryAdView.o) -[FlurryAdView refreshWithAd] in libFlurry.a(FlurryAdView.o) -[FlurryAdView updateToOrientation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView updateToOrientation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView touchesEnded:withEvent:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView touchesEnded:withEvent:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView alertView:clickedButtonAtIndex:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView alertView:clickedButtonAtIndex:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView checkBannerLocation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView checkBannerLocation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView dealloc] in libFlurry.a(FlurryAdView.o) -[FlurryAdView dealloc] in libFlurry.a(FlurryAdView.o) -[FlurryPageViewDelegate navigationController:didShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate navigationController:didShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate navigationController:willShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate navigationController:willShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:shouldSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:shouldSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willBeginCustomizingViewControllers:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willBeginCustomizingViewControllers:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryAdCanvasViewController dealloc] in libFlurry.a(FlurryAdCanvasViewController.o) -[FlurryAdCanvasViewController dealloc] in libFlurry.a(FlurryAdCanvasViewController.o) +[FlurryFileCache createInstanceWithApiKey:] in libFlurry.a(FlurryFileCache.o) +[FlurryAdAssignment createInstance] in libFlurry.a(FlurryAdAssignment.o) +[FlurryHeartBeater createAndStartInstance:] in libFlurry.a(FlurryHeartBeater.o) +[FlurryImageCache createInstanceWithFileCache:] in libFlurry.a(FlurryImageCache.o) ".objc_class_name_NSMutableURLRequest", referenced from: literal-pointer@_OBJC@_cls_refs@NSMutableURLRequest in libFlurry.a(FlurryHTTPEater.o) ".objc_class_name_NSRunLoop", referenced from: literal-pointer@_OBJC@_cls_refs@NSRunLoop in libFlurry.a(FlurryHTTPEater.o) ".objc_class_name_NSKeyedUnarchiver", referenced from: literal-pointer@_OBJC@_cls_refs@NSKeyedUnarchiver in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSKeyedUnarchiver in libFlurry.a(FlurryFileCache.o) ".objc_class_name_NSData", referenced from: literal-pointer@_OBJC@_cls_refs@NSData in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSData in libFlurry.a(FlurryAdParser.o) ".objc_class_name_NSDate", referenced from: literal-pointer@_OBJC@_cls_refs@NSDate in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@NSDate in libFlurry.a(FlurryHTTPEater.o) literal-pointer@_OBJC@_cls_refs@NSDate in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@NSDate in libFlurry.a(FlurryAdImpression.o) literal-pointer@_OBJC@_cls_refs@NSDate in libFlurry.a(FlurryEvent.o) ".objc_class_name_UIBarButtonItem", referenced from: literal-pointer@_OBJC@_cls_refs@UIBarButtonItem in libFlurry.a(FlurryAdCanvasViewController.o) ".objc_class_name_NSURLRequest", referenced from: literal-pointer@_OBJC@_cls_refs@NSURLRequest in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@NSURLRequest in libFlurry.a(FlurryAdAppStoreConnectionDelegate.o) ".objc_class_name_UIDevice", referenced from: literal-pointer@_OBJC@_cls_refs@UIDevice in libFlurry.a(FlurrySession.o) literal-pointer@_OBJC@_cls_refs@UIDevice in libFlurry.a(FlurryAdView.o) ".objc_class_name_UIImageView", referenced from: literal-pointer@_OBJC@_cls_refs@UIImageView in libFlurry.a(FlurryAdView.o) literal-pointer@_OBJC@_cls_refs@UIImageView in libFlurry.a(FlurryAdCanvasViewController.o) literal-pointer@_OBJC@_cls_refs@UIImageView in libFlurry.a(FlurryAdCanvasView.o) "_objc_exception_try_exit", referenced from: +[FlurryAPI startSession:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI pauseSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI resumeSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endTimedEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:exception:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:error:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageViews:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageView] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setUserID:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setEventLoggingEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setServerURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setLandscapeCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppStoreURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setSessionReportsOnCloseEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppVersion:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setGender:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAge:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI updateHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI removeHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI openCatalog:canvasOrientation:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppCircleDelegate:] in libFlurry.a(FlurryAPI.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession sendSessionsToServerWithTimeout:useWebView:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession dataForSessions:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession dataForSessions:requestAds:] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) +[FlurrySession initialTimestamp] in libFlurry.a(FlurrySession.o) +[FlurryAdParser oldInstance] in libFlurry.a(FlurryAdParser.o) +[FlurryAdParser instance] in libFlurry.a(FlurryAdParser.o) -[FlurryAdView initWithAd:hook:xLoc:yLoc:parent:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView refreshWithAd] in libFlurry.a(FlurryAdView.o) -[FlurryAdView updateToOrientation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView touchesEnded:withEvent:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView alertView:clickedButtonAtIndex:] in libFlurry.a(FlurryAdView.o) -[FlurryAdView checkBannerLocation] in libFlurry.a(FlurryAdView.o) -[FlurryAdView dealloc] in libFlurry.a(FlurryAdView.o) -[FlurryPageViewDelegate navigationController:didShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate navigationController:willShowViewController:animated:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:shouldSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didSelectViewController:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willBeginCustomizingViewControllers:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:willEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryPageViewDelegate tabBarController:didEndCustomizingViewControllers:changed:] in libFlurry.a(FlurryPageViewDelegate.o) -[FlurryAdCanvasViewController dealloc] in libFlurry.a(FlurryAdCanvasViewController.o) +[FlurryFileCache createInstanceWithApiKey:] in libFlurry.a(FlurryFileCache.o) +[FlurryAdAssignment createInstance] in libFlurry.a(FlurryAdAssignment.o) +[FlurryHeartBeater createAndStartInstance:] in libFlurry.a(FlurryHeartBeater.o) +[FlurryImageCache createInstanceWithFileCache:] in libFlurry.a(FlurryImageCache.o) ".objc_class_name_NSDateFormatter", referenced from: literal-pointer@_OBJC@_cls_refs@NSDateFormatter in libFlurry.a(FlurrySession.o) "_objc_exception_try_enter", referenced from: +[FlurryAPI startSession:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI startSession:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI pauseSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI pauseSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI resumeSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI resumeSession] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logEvent:withParameters:timed:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endTimedEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI endTimedEvent:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:exception:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:exception:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:error:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI logError:message:error:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageViews:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageViews:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageView] in libFlurry.a(FlurryAPI.o) +[FlurryAPI countPageView] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setUserID:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setUserID:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setEventLoggingEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setEventLoggingEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setServerURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setServerURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setLandscapeCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setLandscapeCanvasURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppStoreURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppStoreURL:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setSessionReportsOnCloseEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setSessionReportsOnCloseEnabled:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppVersion:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppVersion:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setGender:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setGender:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAge:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAge:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI getHook:xLoc:yLoc:view:attachToView:orientation:canvasOrientation:autoRefresh:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI updateHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI updateHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI removeHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI removeHook:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI openCatalog:canvasOrientation:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI openCatalog:canvasOrientation:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppCircleDelegate:] in libFlurry.a(FlurryAPI.o) +[FlurryAPI setAppCircleDelegate:] in libFlurry.a(FlurryAPI.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession createActiveFlurrySession:] in libFlurry.a(FlurrySession.o) +[FlurrySession sendSessionsToServerWithTimeout:useWebView:requestAds:] in libFlurry.a(FlurrySession.o)

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• Silverlight Cream for March 13, 2011 -- #1059

  - by Dave Campbell

  In this Issue: András Velvárt, WIndowsPhoneGeek(-2-), Jesse Liberty(-2-), Victor Gaudioso, Kunal Chowdhury, Jeremy Likness, Michael Crump, and Dhananjay Kumar. Above the Fold: Silverlight: "Application Library Caching in Silverlight 4" Kunal Chowdhury WP7: "Handling WP7 orientation changes via Visual States" András Velvárt Shoutouts: Joe McBride gave a MEF Head User Group presentation and has posted How to Become a MEF Head – Slides & Code From SilverlightCream.com: Handling WP7 orientation changes via Visual States András Velvárt has an Expression Blend/WP7 post up discussing WP7 orientation changes and handling them via Visual States ... see an example from his SurfCube app, and a behavior to handle the control... with source. WP7 PerformanceProgressBar in depth WIndowsPhoneGeek has a post up discussing the WP7 Performance bar from the Windows Phone Toolkit. This is an update on the Toolkit based on the Feb 2011 release. Great explanation of the PerformanceProgressBar, external links, and sample code. Getting data out of WP7 WMAppManifest is easy with Coding4Fun PhoneHelper Next WindowsPhoneGeek has a post up about the PhoneHelper in the Coding4Fun TOolkit, and using it to get data out of the WMAppManifest easily. Good discussion, Links, and code as always Silverlight Unit Test For Phone In Jesse Liberty's "Windows Phone From Scratch" number 41, he's discussing Unit Testing for WP7... he gives some good external links and some good examples. Yet Another Podcast #27–Paul Betts Jesse Liberty's next post is his "Yet Another Podcast" number 27, and an interview with Paul Betts, the creator of Reactive UI... check out the podcast and also the good links listed. New Silverlight Video Tutorial: How to use the Fluid Move Behavior Victor Gaudioso has a new video tutorial up on using the Fluid Move Behavior... making a selected item animate from a ListBox to a Master Details Grid. Application Library Caching in Silverlight 4 Kunal Chowdhury takes a break from SilverlightZone long enough to write a post about Application Library Caching... for example on-demand loading of a 3rd-party XAP. Jounce Part 13: Navigation Parameters Jeremy Likness has his 13th post of a series in understanding his Jounce MVVM framework up. This episode surrounds a new release and what it contains, the primary focus being navigation parameters... that is you can raise a navigation event with a payload. Profiling Silverlight Applications after installing Visual Studio 2010 Service Pack 1 Michael Crump digs into the performance wizard for Silverlight that we get with VS2010 SP1. He shows how to get and read a profile... great intro to a new tool. Binding XML File to Data Grid in Silverlight Dhananjay Kumar demonstrates reading an XML file using LINQ to XML and binding the result to a Silverlight DataGrid Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Question about Target parameter of Matrix.CreateLookAt

  - by manning18

  I have a newbie question that's causing me a little bit of confusion when experimenting with cameras and reading other peoples implementations - does this parameter represent a point or a vector? In some examples I've seen people treat it like a specific point they are looking at (eg a position in the world), other times I see people caching the orientation of the camera in a rotation matrix and simply using the Matrix.Forward property as the "target", and other times it's a vector that's the result of targetPos - camPos and also I saw a camPos + orientation.Forward I was also just playing around with hard-coded target positions with same direction eg 1 to 10000 with no discernible difference in what I saw in the scene. Is the "Target" parameter actually a position or a direction (irrespective of magnitude)? Are there any subtle differences in behaviors, common mistakes or gotchas that are associated with what values you provide, or HOW you provide this paramter? Are all the methods I mentioned above equivalent? (sorry, I've only recently started and my math is still catching up)

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• Windows 8, très orienté jeux ? Les rumeurs se succèdent sur le futur OS de Microsoft

  Windows 8 très orienté jeux Les rumeurs se succèdent sur le futur OS de Microsoft Mise à jour du 27/12/10, par Hinault Romaric Les rumeurs continuent concernant Windows 8, le futur OS de Microsoft en cours de développement. Après une rumeur sur l'intégration du bureau 3D et de l'orientation du système d'exploitation vers le « Desktop as service » (lire ci-avant), une nouvelle rumeur vient d'apparaitre et fait état d'une orientation très jeux. Windows 8 mettrait donc l'accent sur le support des nouveaux jeux PC et serait même un élément clé de sa promotion auprès du grand public. Une rumeur qui pour...

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• Simulating Smartphones on PC with Unity

  - by Cengiz Frostclaw

  I want to make a game that depends on the phone orientation (changing shoot direction with tilt), however I need to test this on PC. So is there any tool I can use to simulate the orientation of the phone with mouse or keyboard of my PC? Something like joysticks on the screen. Thanks for any help! Edit : Thanks to @jhocking for his suggestion of Unity Remote. I, however still can accept a solution with using only PC, since I'm afraid of shortening my phone's battery life, for some reason.

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• how to transform child elements position into a world position

  - by MrGreg

  So Im making a 2d space game and I have a bunch of spaceships that have turrets. Objects have a position and orientation, the ships being in world coordinates while the turrets are children and coordinates are relative to their parents. How do I efficiently calculate the position of a turret in world coordinates (i.e. when it fires and I need to know where to place a bullet in the world)? Calculating the turrets orientation is trivial - I just add the turrets relative angle to its parents. For position though, I guess I could do a bunch of trigonometry but this MUST be a common problem with a good/fast general solution? Should I be relearning how to do matrix math again? :) btw - Im creating the game in javascript+canvas but its the math/algorithm im interested in here Cheers, Greg

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• Is OO-programming really as important as hiring companies place it?

  - by ale

  I am just finishing my masters degree (in computing) and applying for jobs.. I've noticed many companies specifically ask for an understanding of object orientation. Popular interview questions are about inheritance, polymorphism, accessors etc. Is OO really that crucial? I even had an interview for a programming job in C and half the interview was OO. In the real world, developing real applications, is object orientation nearly always used? Are key features like polymorphism used A LOT? I think my question comes from one of my weaknesses.. although I know about OO.. I don't seem to be able to incorporate it a great deal into my programs. I would be really interested to get peoples' thoughts on this!

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• Optimizing drawing of cubes

  - by Christian Frantz

  After googling for hours I've come to a few conclusions, I need to either rewrite my whole cube class, or figure out how to use hardware instancing. I can draw up to 2500 cubes with little lag, but after that my fps drops. Is there a way I can use my class for hardware instancing? Or would I be better off rewriting my class for optimization? public class Cube { public GraphicsDevice device; public VertexBuffer cubeVertexBuffer; public Cube(GraphicsDevice graphicsDevice) { device = graphicsDevice; var vertices = new List<VertexPositionTexture>(); BuildFace(vertices, new Vector3(0, 0, 0), new Vector3(0, 1, 1)); BuildFace(vertices, new Vector3(0, 0, 1), new Vector3(1, 1, 1)); BuildFace(vertices, new Vector3(1, 0, 1), new Vector3(1, 1, 0)); BuildFace(vertices, new Vector3(1, 0, 0), new Vector3(0, 1, 0)); BuildFaceHorizontal(vertices, new Vector3(0, 1, 0), new Vector3(1, 1, 1)); BuildFaceHorizontal(vertices, new Vector3(0, 0, 1), new Vector3(1, 0, 0)); cubeVertexBuffer = new VertexBuffer(device, VertexPositionTexture.VertexDeclaration, vertices.Count, BufferUsage.WriteOnly); cubeVertexBuffer.SetData<VertexPositionTexture>(vertices.ToArray()); } private void BuildFace(List<VertexPositionTexture> vertices, Vector3 p1, Vector3 p2) { vertices.Add(BuildVertex(p1.X, p1.Y, p1.Z, 1, 0)); vertices.Add(BuildVertex(p1.X, p2.Y, p1.Z, 1, 1)); vertices.Add(BuildVertex(p2.X, p2.Y, p2.Z, 0, 1)); vertices.Add(BuildVertex(p2.X, p2.Y, p2.Z, 0, 1)); vertices.Add(BuildVertex(p2.X, p1.Y, p2.Z, 0, 0)); vertices.Add(BuildVertex(p1.X, p1.Y, p1.Z, 1, 0)); } private void BuildFaceHorizontal(List<VertexPositionTexture> vertices, Vector3 p1, Vector3 p2) { vertices.Add(BuildVertex(p1.X, p1.Y, p1.Z, 0, 1)); vertices.Add(BuildVertex(p2.X, p1.Y, p1.Z, 1, 1)); vertices.Add(BuildVertex(p2.X, p2.Y, p2.Z, 1, 0)); vertices.Add(BuildVertex(p1.X, p1.Y, p1.Z, 0, 1)); vertices.Add(BuildVertex(p2.X, p2.Y, p2.Z, 1, 0)); vertices.Add(BuildVertex(p1.X, p1.Y, p2.Z, 0, 0)); } private VertexPositionTexture BuildVertex(float x, float y, float z, float u, float v) { return new VertexPositionTexture(new Vector3(x, y, z), new Vector2(u, v)); } public void Draw(BasicEffect effect) { foreach (EffectPass pass in effect.CurrentTechnique.Passes) { pass.Apply(); device.SetVertexBuffer(cubeVertexBuffer); device.DrawPrimitives(PrimitiveType.TriangleList, 0, cubeVertexBuffer.VertexCount / 3); } } } The following class is a list that draws the cubes. public class DrawableList<T> : DrawableGameComponent { private BasicEffect effect; private ThirdPersonCam camera; private class Entity { public Vector3 Position { get; set; } public Matrix Orientation { get; set; } public Texture2D Texture { get; set; } } private Cube cube; private List<Entity> entities = new List<Entity>(); public DrawableList(Game game, ThirdPersonCam camera, BasicEffect effect) : base(game) { this.effect = effect; cube = new Cube(game.GraphicsDevice); this.camera = camera; } public void Add(Vector3 position, Matrix orientation, Texture2D texture) { entities.Add(new Entity() { Position = position, Orientation = orientation, Texture = texture }); } public override void Draw(GameTime gameTime) { foreach (var item in entities) { effect.VertexColorEnabled = false; effect.TextureEnabled = true; effect.Texture = item.Texture; Matrix center = Matrix.CreateTranslation(new Vector3(-0.5f, -0.5f, -0.5f)); Matrix scale = Matrix.CreateScale(1f); Matrix translate = Matrix.CreateTranslation(item.Position); effect.World = center * scale * translate; effect.View = camera.view; effect.Projection = camera.proj; effect.FogEnabled = true; effect.FogColor = Color.CornflowerBlue.ToVector3(); effect.FogStart = 1.0f; effect.FogEnd = 50.0f; cube.Draw(effect); } base.Draw(gameTime); } } } There are probably many reasons that my fps is so slow, but I can't seem to figure out how to fix it. I've looked at techcraft as well, but what I have is too specific to what I want the outcome to be to just rewrite everything from scratch

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• H.264 / FLV best practices for HTML

  - by Steve Murch

  I run a website with about 700 videos (And no, it's not porn -- get your mind out of the gutter :-) ). The videos are currently in FLV format. We use the JWPlayer to render those videos. IIS6 hosted. Everything works just fine. As I understand it, H.264 (not FLV and likely not OGG) is the emerging preferred HTML5 video standard. Today, the iPad really only respects H.264 or YouTube. Presumably, soon many more important browsers will follow Apple's lead and respect only the HTML5 tag. OK, so I think I can figure out how to convert my existing videos into the proper H.264 format. There are various tools available, including ffmpeg.exe. I haven't tried it yet, but I don't think that's going to be a problem after fiddling with the codec settings. My question is more about the container itself -- that is, planning graceful transition for all users. What's the best-practice recommendation for rendering these videos? If I just use the HTML5 tag, then presumably any browser that doesn't yet support HTML5 won't see the videos. And if I render them in Flash format via the JWPlayer or some other player, then they won't be playable on the iPad. Do I have to do ugly UserAgent detection here to figure out what to render? I know the JWPlayer supports H.264 media, but isn't the player itself a Flash component and therefore not playable on the iPad? Sorry if I'm not being clear, but I'm scratching my head on a graceful transition plan that will work for current browsers, the iPad and the upcoming HTML5 wave. I'm not a video expert, so any advice would be most welcome, thanks.

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• How to create a CGBitmapContext which works for Retina display and not wasting space for regular display?

  - by ????

  Is it true that if it is in UIKit, including drawRect, the HD aspect of Retina display is automatically handled? So does that mean in drawRect, the current graphics context for a 1024 x 768 view is actually a 2048 x 1536 pixel Bitmap context? (is there a way to print this size out to verify it). We actually enjoy the luxury of 1 point = 4 pixels automatically handled for us. However, if we use CGBitmapContextCreate, then those will really be pixels, not points? (at least if we provide a data buffer for that bitmap, the size is not for the higher resolution, but for the standard resolution, and even if we pass NULL as the buffer so that CGBitmapContextCreate handles the buffer for us, the size probably is the same as if we pass in a data buffer, and it is just standard resolution, not Retina's resolution). We can always create 2048 x 1536 for iPad 1 and iPad 2 as well as the New iPad, but it will waste memory and processor and GPU power, as it is only needed for the New iPad. So do we have to use a if () { } else { } to create such a bitmap context and how do we actually do so? And all our code CGContextMoveToPoint has to be adjusted for Retina display to use x * 2 and y * 2 vs non-retina display of just using x, y as well? That can be quite messy for the code. (or maybe we can define a local variable scaleFactor and set it to 1 for standard resolution and 2 if it is retina, so our x and y will always be x * scaleFactor, y * scaleFactor instead of just x and y.) It seems that UIGraphicsBeginImageContextWithOptions can create one for Retina automatically if the scale of 0.0 is passed in, but I don't think it can be used if I need to create the context and keep it (and using ivar or property of UIViewController to hold it). If I don't release it using UIGraphicsEndImageContext, then it stays in the graphics context stack, so it seems like I have to use CGBitmapContextCreate instead. (or do we just let it stay at the bottom of the stack and not worry about it?)

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• Mobile BI Comes of Age

  - by rich.clayton(at)oracle.com

  Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} One of the hot topics in the Business Intelligence industry is mobility.  More specifically the question is how business can be transformed by the iPhone and the iPad.  In June 2003, Gartner predicted that Mobile BI would be obsolete and that the technology was headed for the 'trough of disillusionment'.  I agreed with them at that time.  Many vendors like MicroStrategy and Business Objects jumped into the fray attempting to show how PDA's like Palm Pilots could be integrated with BI.  Their investments resulted in interesting demos with no commercial traction.  Why, because wireless networks and mobile operating systems were primitive, immature and slow. In my opinion, Apple's iOS has changed everything in Mobile BI.  Yes Blackberry, Android and Symbian and all the rest have their place in the market but I believe that increasingly consumers (not IT departments) influence BI decision making processes.  Consumers are choosing the iPhone and the iPad. The number of iPads I see in business meetings now is staggering.  Some use it for email and note taking and others are starting to use corporate applications.  The possibilities for Mobile BI are countless and I would expect to see iPads enterprise-wide over the next few years.   These new devices will provide just-in-time access to critical business information.  Front-line managers interacting with customers, suppliers, patients or citizens will have information literally at their fingertips. I've experimented with several mobile BI tools.  They look cool but like their Executive Information System (EIS) predecessors of the 1990's these tools lack a backbone and a plausible integration strategy.  EIS was a viral technology in the early 1990's.  Executives from every industry and job function were showcasing their dashboards to fellow co-workers and colleagues at the country club.  Just like the iPad, every senior manager wanted one.  EIS wasn't a device however, it was a software application.   EIS quickly faded into the software sunset as it lacked integration with corporate information systems.  BI servers  replaced EIS because the technology focused on the heavy data lifting of integrating, normalizing, aggregating and managing large, complex data volumes.  The devices are here to stay. The cute stand-alone mobile BI tools, not so much. If all you're looking to do is put Excel files on your iPad, there are plenty of free tools on the market.  You'll look cool at your next management meeting but after a few weeks, the cool factor will fade away and you'll be wondering how you will ever maintain it.  If however you want secure, consistent, reliable information on your iPad, you need an integration strategy and a way to model the data.  BI Server technologies like the Oracle BI Foundation is a market leading approach to tackle that issue. I liken the BI mobility frenzy to buying classic cars.  Classic Cars have two buying groups - teenagers and middle-age folks looking to tinker.  Teenagers look at the pin-stripes and the paint job while middle-agers (like me)  kick the tires a bit and look under the hood to check out the quality and reliability of the engine.  Mobile BI tools sure look sexy but don't go very far without an engine and a transmission or an integration strategy. The strategic question in Mobile BI is can these startups build a motor and transmission faster than Oracle can re-paint the car?  Oracle has a great engine and a transmission that connects to all enterprise information assets.  We're working on the new paint job and are excited about the possibilities.  Just as vertical integration worked in the automotive business, it too works in the technology industry.

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• How can I convert HTML to pdf?

  - by Walkman

  I want to read and annotate internet articles like books on my iPad so I would like to convert HTML to PDF. Is there a way of doing this that preserves every font as is can make PDF out of selection handle javascript source code highlighting libraries well doesn't add anything (ads from shareware or logos etc) to every page I will be happy with any solution applicable to iPad or OSX. I have tried some converters I have found online but none fit the criteria above.

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• Looking for a VNC (and or Remote Desktop) Profile Manager/Launcher

  - by zevlag

  I connect to many different computers via VNC and RDP. I'm looking for a windows client that can preferably do the following, though I'd accept software options that only meet some of the points: Save profiles (hostname, username, password, settings, etc.) Connect to VNC Servers Connect to RDP Servers Connect to SSH Servers (or ssh tunneling) Scan network for devices not in saved profiles Free (as in beer) Tools that do similar things, but not on windows: ARD on OSX iSSH on iPad Desktop Connect on iPad

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• What video format works both on Windows and all Apple products out-of-the-box?

  - by Seppo Silaste

  What format and encoding should I use for video that would play out-of-the-box on both Windows and all Apple products (iPad, iPhone, etc.)? I know that the correct way to render an animation, is to first render it as images, but this is overkill when rendering short animations of a work in progress for the client to comment on. I have one client that views the vids on Windows and another that views them on iPad and iPhone. I'm hoping I could render just one video instead of rendering in two different formats.

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• Android ListView delete row button - focus issue

  - by Max Gontar

  Hi! I have an activity with ListView and buttons below: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <ListView android:id="@+id/lvLamps" android:layout_width="fill_parent" android:layout_height="fill_parent" android:listSelector="@null" android:choiceMode="none" android:scrollbarStyle="insideInset" android:layout_weight="1.0" /> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_weight="0.0"> <Button android:id="@+id/btnAdd" android:background="@null" android:drawableLeft="@drawable/btn_upgrade" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableRight="@drawable/lbl_upgrade" android:textSize="0pt" android:text="" android:layout_alignParentLeft="true" android:padding="20px" /> <Button android:id="@+id/btnNext" android:background="@null" android:drawableRight="@drawable/next_btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableLeft="@drawable/lbl_next" android:textSize="0pt" android:text="" android:layout_alignParentRight="true" android:padding="20px" android:visibility="gone" /> <ImageButton android:id="@+id/btnListExit" android:background="@null" android:src="@drawable/btn_x" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:padding="20px" /> </RelativeLayout> </LinearLayout> ListView row contains delete button: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <ImageButton android:id="@+id/btnRowDelete" android:src="@drawable/btn_x" android:background="@null" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:padding="4px" android:focusable="true" android:focusableInTouchMode="true"/> <TextView android:id="@+id/txtLampRowFrom" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:focusable="false" android:textColor="@color/textColor"/> <TextView android:id="@+id/txtLampRowTo" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:layout_alignParentBottom="true" android:focusable="false" android:textColor="@color/textColor"/> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/arrow_upgrade_to" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:focusable="false"/> </RelativeLayout> </LinearLayout> In Adapter, Button onClickListener is set, also there are dummies to make list non-selectable: // disabling list items select public boolean areAllItemsEnabled() { return false; } public boolean isEnabled(int position) { return false; } What I want is: always show buttons in the bottom of screen after list (no matter how long it is, there should be scroll if it's too long) ListView should not be selectable, I don't want row selection row delete button should be selectable (focusable) with touch and with trackball And everything works except I can't focus row delete button with trackball (although it's working with touch). Can you help me? Thanks!

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• UiSplitViewController doesn't autorotate.

  - by Michael

  Hello, I have recently run into a problem. My iPad app is somehow preventing the iPad from auto-rotating. My app loads a UISplitView with both of the view controllers returning YES for shouldAutorotateToInterfaceOrientation:. I have set up my info.plist to include the "Supported interface orientations" key with all four orientations. When I run the app, however, rotating the device does not rotate the splitView (even though I am receiving UIDeviceOrientationDidChangeNotification). In addition, when I exit my app in a different orientation that it started in the iPad home screen doesn't autorotate to the correct view until I rotate it again without my app running.... Any Ideas would be much appreciated....

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• iPhone Tableview Use Cells in Horizontal Scrolling not Vertical

  - by norskben

  Hi Guys This is not an uiview orientation question, I want to Have the iphone in Portrait or Landscape, and I want a standard tableview(controller?) that will display cells in a vertical strip down the iphone and the tableview scrolls horizontally. -I.e. a 100% normal tableview, that is rotated 90deg without rotating the phone orientation Is this possible?

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• Concerting an iTunes iphone OS 4.0 backup to 3.2

  - by Moitah

  Hello ! I use my 4.0 iPhone for both work and personal stuff. So iTunes keeps, every time I sync my iPhone, a backup in ~/Library/Application Support/MobileSync/Backup. I recently bought an iPad (OS 3.2). I'd like to be able to duplicate my iPhone backup, and restore it on the iPad (so I'll have all my apps settings, passwords, application positions, etc... from the iPhone on the iPad) So, I need to convert the backup from 4.0 to 3.2. I know this is not officially supported by Apple, but has any of you guys figured that out ? There are 5 easily editable files in the backup folder : Info.plist Manifest.mbdb Manifest.mbdx Manifest.plist Status.plist Thanks !

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• iPhone SDK: TextView, Keyboard in Landscape mode

  - by Arnold

  Hello. How do I make sure that the textview is shown and the keyboard is not obscuring the textview, while in landscape. Using UICatalog I created a TextViewController which works. In it there are two methods for calling the keyboard and making sure that textView is positioned above the keyboard. his just works great in Portrait mode. I got the Landscape mode working, but on the textView is still being put to the top of the iPhone to compensate for the keyboard in portrait mode. I changed the methods for showing the keyboards. Below is the code for this methods: (I will just let see the code for show, since the hide code will be the reverse.. - (void)keyboardWillShow:(NSNotification *)aNotification { UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation]; if (orientation == UIInterfaceOrientationPortrait) { // the keyboard is showing so resize the table's height CGRect keyboardRect = [[[aNotification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] CGRectValue]; NSTimeInterval animationDuration = [[[aNotification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]; CGRect frame = self.view.frame; frame.size.height -= keyboardRect.size.height; [UIView beginAnimations:@"ResizeForKeyboard" context:nil]; [UIView setAnimationDuration:animationDuration]; self.view.frame = frame; [UIView commitAnimations]; } else if (orientation == UIInterfaceOrientationLandscapeLeft) { NSLog(@"Left"); // Verijderen later CGRect keyboardRect = [[[aNotification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] CGRectValue]; NSTimeInterval animationDuration = [[[aNotification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]; CGRect frame = self.view.frame; frame.size.width -= keyboardRect.size.height; [UIView beginAnimations:@"ResizeForKeyboard" context:nil]; [UIView setAnimationDuration:animationDuration]; self.view.frame = frame; [UIView commitAnimations]; } else if (orientation == UIInterfaceOrientationLandscapeRight){ NSLog(@"Right"); // verwijderen later. CGRect keyboardRect = [[[aNotification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] CGRectValue]; NSTimeInterval animationDuration = [[[aNotification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]; CGRect frame = self.view.frame; frame.size.width -= keyboardRect.size.width; [UIView beginAnimations:@"ResizeForKeyboard" context:nil]; [UIView setAnimationDuration:animationDuration]; self.view.frame = frame; [UIView commitAnimations]; } } I know that I have to change the line frame.size.height -= keyboardRect.size.height but I do not seem to get it working. I tried frame.size.width -= keyboardRect.size.height that did not work. Losing the keyboardRect and frame all together work, however off course the keyboard obscures the textview........

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• Android ListView delete row button - focus issue

  - by Max Gontar

  I have an activity with ListView and buttons below: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <ListView android:id="@+id/lvLamps" android:layout_width="fill_parent" android:layout_height="fill_parent" android:listSelector="@null" android:choiceMode="none" android:scrollbarStyle="insideInset" android:layout_weight="1.0" /> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_weight="0.0"> <Button android:id="@+id/btnAdd" android:background="@null" android:drawableLeft="@drawable/btn_upgrade" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableRight="@drawable/lbl_upgrade" android:textSize="0pt" android:text="" android:layout_alignParentLeft="true" android:padding="20px" /> <Button android:id="@+id/btnNext" android:background="@null" android:drawableRight="@drawable/next_btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableLeft="@drawable/lbl_next" android:textSize="0pt" android:text="" android:layout_alignParentRight="true" android:padding="20px" android:visibility="gone" /> <ImageButton android:id="@+id/btnListExit" android:background="@null" android:src="@drawable/btn_x" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:padding="20px" /> </RelativeLayout> </LinearLayout> ListView row contains delete button: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:focusable="true"> <ImageButton android:id="@+id/btnRowDelete" android:src="@drawable/btn_x" android:background="@null" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:padding="4px" android:focusable="true" android:focusableInTouchMode="true"/> <TextView android:id="@+id/txtLampRowFrom" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:focusable="false" android:textColor="@color/textColor"/> <TextView android:id="@+id/txtLampRowTo" android:text="123" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="6pt" android:layout_toRightOf="@id/btnRowDelete" android:layout_alignParentBottom="true" android:focusable="false" android:textColor="@color/textColor"/> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/arrow_upgrade_to" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:focusable="false"/> </RelativeLayout> </LinearLayout> In Adapter, Button onClickListener is set, also there are dummies to make list non-selectable: // disabling list items select public boolean areAllItemsEnabled() { return false; } public boolean isEnabled(int position) { return false; } What I want is: always show buttons in the bottom of screen after list (no matter how long it is, there should be scroll if it's too long) ListView should not be selectable, I don't want row selection row delete button should be selectable (focusable) with touch and with trackball And everything works except I can't focus row delete button with trackball (although it's working with touch). Can you help me? Thanks!

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• How to recognize touch events and control a script object inside UIWebView?

  - by Markus S.

  Situation: I have an UIView with an UIWebView in it. When the viewDidLoad the Javascript Object inside the UIWebView is called (Microsoft Seadragon AJAX JS). For your Understanding: Seadragon loads a specified megapixel image(JPEG) and in a Desktop Browser like Firefox i can Zoom into the image and I can drag the crop for example from the middle to the left. In the iPhone Simulator (for iPad) only the Zooming Function is working on one single tap but when i try to drag the crop (with left mouse button click and holding it) I'm dragging the whole UIWebView but not the crop of course! Is that feature which the simulator isn't able to handle or what's yout solutin guys? Special Thanks!! P.S.: It's a bit jiggling when the zooming function of Seadragon is called. Is that authentic to the real performance of the iPad or does the simulator not have the power as the iPad has?

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• How to set the content size according to the size of UINavigation bar

  - by Deepika

  Hi all I am resizing the navigation bar when my application switches into landscape orientation. But i am not able to set the content size of navigation bar according to its height. Landscape image :- In this image the top left bar item and title of navigation bar are not resizing when it switches into landscape orientation....they should get re sized according to height of navigation bar. Please suggest me any idea for it? Thanks Deepika

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• Large margin by long title

  - by Kevin Koenen

  I try to show a list of offers. When an advertiser insert a large title, the margin of an item (offer) will be showed what shouldn't. I've tried different layouts but that doesn't work. Link to image :) You see, some of the items has a large margin. Here's the code: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/gallerylayout" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="wrap_content" android:gravity="left|center" android:layout_width="wrap_content" android:paddingBottom="2dp" android:paddingTop="2dp" android:paddingLeft="5dp" android:background="#20000000" android:cacheColorHint="#00000000"> <ImageView android:id="@+id/ad_image_small" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/ic_launcher"/> <LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent"> <TextView android:id="@+id/ad_id" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <TextView android:id="@+id/ad_img_url" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/ad_title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="3dp" android:gravity="left" android:textColor="#000000" android:ellipsize="end" android:singleLine="true"/> <TextView android:id="@+id/ad_km" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="3dp" android:layout_marginBottom="1dp" android:textColor="#000000" android:gravity="right"/> </LinearLayout> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/ad_text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="3dp" android:textColor="#0099CC" android:ellipsize="end" android:singleLine="true"/> </LinearLayout> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:padding="5dp"> <ImageView android:id="@+id/ad_clock" android:layout_width="20dp" android:layout_height="20dp" android:layout_marginRight="5dip" android:src="@drawable/icon_clock"/> <ProgressBar android:id="@+id/progressbar" android:layout_width="match_parent" android:layout_height="8dp" android:layout_margin="5dp" android:paddingLeft="2dp" android:max="100" style="?android:attr/progressBarStyleHorizontal" android:progressDrawable="@drawable/color_progressbar" /> </LinearLayout> </LinearLayout> </LinearLayout> <ImageView android:id="@+id/overlay_image" android:background="#0000" android:src="@drawable/verlopen2x" android:layout_alignTop="@id/ad_image_small" android:layout_alignBottom="@id/ad_image_small" android:layout_width="fill_parent" android:layout_height="wrap_content" android:adjustViewBounds="true" android:visibility="visible" /> I can't see what i'm doing wrong. Thanks in advance!

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• Home screen widget size for large screen or hdpi?

  - by kknight

  From Android widget screen guidelines, http://developer.android.com/guide/practices/ui_guidelines/widget_design.html, we know that, home screen has 4*4 cells, and in portrait orientation, each cell is 80 pixels wide by 100 pixels tall. I think these are for baseline HVGA screen. How about for large screens and hdpi screens, do they still have 4*4 cells for widget and each cell in portrait orientation is still 80 pixels * 100 pixels? Thanks.

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