2014/10/15 下午 10:12:13
iphone Programming Glossary: nszombieenabledHow to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode select Edit Scheme go to the Run Foo.app stage in the left panel and the Arguments tab on the right. You can then add NSZombieEnabled to the Environment Variables section and set the value to YES as you could in Xcode 3. In Xcode 4.1 and above there's also..
How to run iPhone program with Zombies instrument? http://stackoverflow.com/questions/1417782/how-to-run-iphone-program-with-zombies-instrument to run the Zombies instrument against my app but the selection is grayed out and I don't know why. I know about the NSZombieEnabled environment variable. I have that set to YES on my application. I'm not sure if this matters but the app is an app that..
View Controller being sent a message even though it has been deallocated http://stackoverflow.com/questions/1585688/view-controller-being-sent-a-message-even-though-it-has-been-deallocated in UIApplicationMain #18 0x00002d50 in main at main.m 14 The error that is getting printed to the Debug Console with NSZombieEnabled is 2009 10 18 20 28 34.404 Restaurants 12428 207 ToolbarController respondsToSelector message sent to deallocated instance..
Break on EXC_BAD_ACCESS in XCode? http://stackoverflow.com/questions/1622079/break-on-exc-bad-access-in-xcode errors you are usually trying to send a message to a released object. The BEST way to track these down is use NSZombieEnabled . This works by never actually releasing an object but by wrapping it up as a zombie and setting a flag inside it that says.. ever released your app will leak and leak and leak. To remind me to do this I put this log in my appdelegate if getenv NSZombieEnabled getenv NSAutoreleaseFreedObjectCheckEnabled NSLog @ NSZombieEnabled NSAutoreleaseFreedObjectCheckEnabled enabled If you.. do this I put this log in my appdelegate if getenv NSZombieEnabled getenv NSAutoreleaseFreedObjectCheckEnabled NSLog @ NSZombieEnabled NSAutoreleaseFreedObjectCheckEnabled enabled If you need help finding the exact line Do a Build and Debug CMD Y instead..
Signal 11, segmentation fault on iphone App exit http://stackoverflow.com/questions/1849929/signal-11-segmentation-fault-on-iphone-app-exit or is this normal iphone segmentation fault exit share improve this question Try running your application with NSZombieEnabled. This will tell you if you're over releasing any object. To enable zombies do the following Choose Project Edit Active Executable.. Info window. Click Arguments. Click the add button in the 𦛼ariables to be set in the environment section. Enter NSZombieEnabled in the Name column and YES in the Value column. Make sure that the checkmark forthe NSZombieEnabled entry is selected. ..
Learn Obj-C Memory Management [duplicate] http://stackoverflow.com/questions/370427/learn-obj-c-memory-management
http://stackoverflow.com/questions/4168327/what-is-nszombie is NSZombie I've seen suggestions saying to set NSZombieEnabled to true while debugging. What is NSZombie Is it a framework A setting iphone ios nszombie share improve this question.. A setting iphone ios nszombie share improve this question It's a memory debugging aid. Specifically when you set NSZombieEnabled then whenever an object reaches retain count 0 rather than begin deallocated it morphs itself into an NSZombie instance...
How to add NSDebug.h and use NSZombie in iPhone SDK http://stackoverflow.com/questions/535060/how-to-add-nsdebug-h-and-use-nszombie-in-iphone-sdk online and I am still unsure of the exact procedure. I know I have to set the Environment Variables which I have done NSZombieEnabled YES NSDebugEnabled YES NSDeallocateZombies NO I think I'm not sure I have to import NSDebug.h. When I check the headers..
Debugging exception thrown in Objective C and XCode http://stackoverflow.com/questions/711650/debugging-exception-thrown-in-objective-c-and-xcode variables that are very handy for early breaking on bad memory allocation or access situations. For instance wih NSZombieEnabled nothing will truly be released on dealloc it'll get overwritten with _NSZombie and should you try to access this dealloced..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled is object not dealloc'ed when using ARC NSZombieEnabled I converted my app to ARC and noticed that an object alloc'ed in one of my view controllers was not being dealloc'ed when.. answer would explain how to deterministically know that you need to do something special wrt an object when using ARC NSZombieEnabled so it would solve this specific example and also apply generally to a project as a whole w o leaving the potential for other.. any __strong ivars of a class I was expecting to see this method call dealloc if it's implemented. Apparently setting NSZombieEnabled to YES causes .cxx_destruct to not be called at all at least that's what happened when I've edited your sample project zombies..
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