¡@
2014/10/15 ¤U¤È 10:04:42
iphone Programming Glossary: breakpointsHow to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints and create two global breakpoints I.. breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints and create two global breakpoints I do them globally because they are so useful in all my applications . The first should be named objc_exception_throw and.. be NSException raise and its location should be CoreFoundation . Now if you start debugging your application with breakpoints enabled it should break on the throw of these exceptions. You should then be able to see the chain of events that led to..
willRotateToInterfaceOrientation not being called http://stackoverflow.com/questions/1516268/willrotatetointerfaceorientation-not-being-called called I'm returning YES in my view controller's shouldAutorotateToInterfaceOrientation function and I can see using breakpoints that YES is being returned however the willRotateToInterfaceOrientation method isn't being called and nor is any other rotating..
drawRect not being called in my subclass of UIImageView http://stackoverflow.com/questions/2612152/drawrect-not-being-called-in-my-subclass-of-uiimageview problem is in the code that creates the view or in your Nib if that's how you're creating it You'll also sometimes see breakpoints failing to get set properly if you're trying to debug a Release build. I somehow missed the first time that you're subclassing..
@try - catch block in Objective-c http://stackoverflow.com/questions/3363612/try-catch-block-in-objective-c nsexception share improve this question Now I've found the problem. Removing the obj_exception_throw from my breakpoints solved this. Now it's caught by the @try block and also NSSetUncaughtExceptionHandler will handle this if a @try block is..
GSRegisterPurpleNamedPort SIGABRT in UIApplicationMain Before App Delegate Gets to Run Any Code http://stackoverflow.com/questions/3589631/gsregisterpurplenamedport-sigabrt-in-uiapplicationmain-before-app-delegate-gets method that main calls. But it crashes before it reaches any of the methods in our app delegate. I have put breakpoints in all of the app delegate methods and none of them are reached. In addition this appears to be only occurring for users..
NSNotificationCenter trapping and tracing all NSNotifications http://stackoverflow.com/questions/3725234/nsnotificationcenter-trapping-and-tracing-all-nsnotifications for any hint. iphone trace nsnotifications share improve this question The only solution I got to work was using breakpoints. I added a breakpoint at __CFXNotificationPost_old CoreFoundation and bundled that with a Debugger Command po NSNotification..
How to run and debug unit tests for an iPhone application http://stackoverflow.com/questions/4989668/how-to-run-and-debug-unit-tests-for-an-iphone-application Set your active executable to your otest executable You can build and run your executable and debug your tests with breakpoints. As a side note if you are having problems running your otest executable it can be related to Faulty path. I had lots of.. so don't focus on it f you have problems running otest. Last once everything is working you will be able to stop at breakpoints in your tests. One last thing... I've read on many blogs that the main limitation of the integrated XCode SenTestKit is..
http://stackoverflow.com/questions/5270241/complete-list-of-lifecycle-functions-of-viewcontroller-from-starting-to-end-of-t share improve this question To figure out in what order they are called you could use the debugger and a couple of breakpoints or simply put a NSLog @ viewDidLoad was called call in each method. Experienced programmers would use NSLog @ s __PRETTY_FUNCTION__..
Debugging exception thrown in Objective C and XCode http://stackoverflow.com/questions/711650/debugging-exception-thrown-in-objective-c-and-xcode in it fb NSException raise fb objc_exception_throw fb malloc_error_break That'll initialize GDB with three default breakpoints when they occur GDB will halt your application and show you the stack trace. This is very well integrated with Xcode so..
didSelectRowAtIndexPath: not being called http://stackoverflow.com/questions/8952688/didselectrowatindexpath-not-being-called @ listAttributesSegue sender self I know that didSelectRowAtIndexPath is not being called because I have set breakpoints on both the method itself and the line of code inside it and neither is being called. I also know that the datasource is..
UIViewController -viewDidLoad not being called http://stackoverflow.com/questions/913627/uiviewcontroller-viewdidload-not-being-called pushViewController self.myViewController animated YES In MyViewController's methods I have placed breakpoints and log messages to see what is going on id initWithNibName NSString nibNameOrNil bundle NSBundle nibBundleOrNil if self..
http://stackoverflow.com/questions/983657/iphone-device-debugging Xcode debugger when running an iPhone app on the device rather than the simulator i.e. can I have the device stop at breakpoints that I set in my code and step through the code as it runs on the device EDIT I should mention that I am a registered developer.. build and run iPhone applications on my device just fine. However even in Debug mode my application will not stop on breakpoints or output to the console when I run it on my device. If it helps my application will function normally in debug mode e.g... console when I run it on my device. If it helps my application will function normally in debug mode e.g. stopping at breakpoints when I run in the simulator. EDIT 2 I've tried resetting my phone completely removing and reinstalling Xcode creating a..
Sqlite Database Load Fails - Issue with sqlite prepare statement - iPhone - xCode 4.3.1 http://stackoverflow.com/questions/9887785/sqlite-database-load-fails-issue-with-sqlite-prepare-statement-iphone-xcod statement 0 char desChars char sqlite3_column_text statement 1 int uniqueID sqlite3_column_int statement 2 From using breakpoints I can see that the problem is with the if statement and that the code never gets past this if statement. Can anyone spot..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw on this SO question If you add two breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints and create two global breakpoints I do them globally because they are so useful in all my applications . The first should.. is pretty clear hopefully this can help if you're not finding it clear. In XCode from the top menu click on Run Show Breakpoints. A new window pops up. Select global breakpoints in the left hand menu. There should be a box on the right under the Breakpoint..
Why does assert simply terminate a program compiled for iPhone? http://stackoverflow.com/questions/2000977/why-does-assert-simply-terminate-a-program-compiled-for-iphone step is to make the Xcode debugger break on Objective C exceptions. This is probably a good thing to do anyway. In the Breakpoints window Run Show Breakpoints menu item click where it says Double Click for Symbol to enter the symbol NSException raise.. break on Objective C exceptions. This is probably a good thing to do anyway. In the Breakpoints window Run Show Breakpoints menu item click where it says Double Click for Symbol to enter the symbol NSException raise The last thing to be careful..
What causes this error? “CALayer position contains NaN: [240 nan]” http://stackoverflow.com/questions/3025176/what-causes-this-error-calayer-position-contains-nan-240-nan OS is doing at that time. For me it was myUISlider.value NaN. To set breakpoint XCode 3.x CMD SHIFT Y debug window. Breakpoints button. Double click for symbol Type in NSLog no quotes. XCode 4.x CMD 6 breakpoints navigator. to add breakpoint lower..
NSNotificationCenter trapping and tracing all NSNotifications http://stackoverflow.com/questions/3725234/nsnotificationcenter-trapping-and-tracing-all-nsnotifications click on Run on the Xcode application menu top of the screen select Debugger within the Debugger window click on Show Breakpoints click on the Enter Symbol Name line and enter __CFXNotificationPost_old click on the on the very right side select Debugger..
Setting breakpoint at NSKVODeallocateBreak http://stackoverflow.com/questions/7466652/setting-breakpoint-at-nskvodeallocatebreak
http://stackoverflow.com/questions/7779851/avfoundation-ios-5
Breakpoints are not fired [closed] http://stackoverflow.com/questions/8798973/breakpoints-are-not-fired are not fired closed I am doing one application. I am developing my application in Xcode version 4.2 4c199 with iOS 5.0..
http://stackoverflow.com/questions/930929/isequaltostring-cocoa-error setter. How can I determine what 0x52e2f0 is so it would be easier to find the problem next time In Xcode's Breakpoints window set a breakpoint on objc_exception_throw . Then run your program. When the exception happens the debugger will stop..
How to find the cause of a malloc “double free” error? http://stackoverflow.com/questions/971249/how-to-find-the-cause-of-a-malloc-double-free-error
|