2014/10/15 下午 10:09:22

iphone Programming Glossary: freed

http://stackoverflow.com/questions/11520815/nscache-is-not-evicting-data

remove some items from the cache minimizing its memory footprint. Apple does not state that the memory will be freed on memory warning in my experience the cache is most often purged when the app goes to background or when you add more large..

Weak references inside a block

http://stackoverflow.com/questions/11603284/weak-references-inside-a-block

. Incidentally if you had qualified weakSelf as __unsafe_unretained you might end up sending messages to a freed object. So I doubt that sending a message to a __weak reference is causing a crash. If you want to ensure that self survives..

iPhone development: pointer being freed was not allocated

http://stackoverflow.com/questions/1424210/iphone-development-pointer-being-freed-was-not-allocated

development pointer being freed was not allocated i got this message from the debugger Pixture 1257 0xa0610500 malloc error for object 0x21a8000 pointer.. i got this message from the debugger Pixture 1257 0xa0610500 malloc error for object 0x21a8000 pointer being freed was not allocated set a breakpoint in malloc_error_break to debug so i did a bit of tracing and got gdb shell malloc_history.. memory leaks share improve this question I've had the same problem with a lot of the same symptoms pointer being freed was not allocated error upgraded to Xcode 3.2 error happening in code for images If I change the build target to 3.1 the..

Why am I crashing after MKMapView is freed if I'm no longer using it?

http://stackoverflow.com/questions/2188098/why-am-i-crashing-after-mkmapview-is-freed-if-im-no-longer-using-it

am I crashing after MKMapView is freed if I'm no longer using it I have a MKMapView . Sometimes after my view controller is dismissed I'll get a EXC_BAD_ACCESS.. 's delegate my view controller is being called despite both the MKMapView and UIViewController subclass being freed. I've checked and my memory management is correct. What's going on iphone memory management mapkit mkmapview share improve..

Objective-C - When to use 'self'

http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self

the self keyword from the first example the program crashes with the message objc 1296 FREED id message view sent to freed object 0x3b122d0 If I add the self keyword to the second example the program runs fine. Can anyone explain why self is needed..

iPhone - debugging “pointer being freed was not allocated” errors

http://stackoverflow.com/questions/295778/iphone-debugging-pointer-being-freed-was-not-allocated-errors

debugging &ldquo pointer being freed was not allocated&rdquo errors When over freeing a pointer you may see an error such as pointer being freed was not allocated.. being freed was not allocated&rdquo errors When over freeing a pointer you may see an error such as pointer being freed was not allocated When debugging with the simulator I add a build argument MallocStackLogging YES this allows me to use.. argument MallocStackLogging YES this allows me to use malloc_history in the terminal to track down where I have over freed a pointer. If I debug on the device with this build argument I get all sorts of console errors cannot create stack log files..

Deleting an app in iTunes Connect

http://stackoverflow.com/questions/3377534/deleting-an-app-in-itunes-connect

and need to remove it from your iTunes Connect account we recommend that you use App Delete so the App Name will be freed up for their use. Does this mean that I won't be able to reuse the name in my account but other accounts will Has anybody..

Understanding the memory consumption on iPhone

http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone

does not always happen sometimes the memory usage stays high even after the texture has been passed on to OpenGL and freed from 騦y memory. This means that the total amount of memory allocated as shown by the Object Alloc tool is smaller than the..

How to properly release an AVCaptureSession

http://stackoverflow.com/questions/3741121/how-to-properly-release-an-avcapturesession

are processed . The crash is mainly due to my own class instance which serves as the sample buffer delegate and is freed after I've stop the capture session. The Apple documentation mentions the problem Stopping the capture session is an asynchronous..

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

reference count is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other.. malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece.. Ref count is 2 silly to do this after init s release Ref count is back to 1 s release Ref count is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object..

iPhone app uses 150 MB memory and still no low memory warning!

http://stackoverflow.com/questions/6787528/iphone-app-uses-150-mb-memory-and-still-no-low-memory-warning

around 200 page pushes I can see that memory usage goes upto 150 MB when I navigate back to root then they are all freed but isnt this a weird behavior around 800 KB for each nib view and no big data or images in it The most weird thing is I..

How to release MPMoviePlayerController?

http://stackoverflow.com/questions/695307/how-to-release-mpmovieplayercontroller

moviePlayer play moviePlayer release I get this error objc 51051 FREED id message videoViewController sent to freed object 0x1069b30 Program received signal 諪XC_BAD_INSTRUCTION How should I be releasing the player iphone memory management..