I am working/learning on my project (Objective C, Xcode). At that time I was working with:
dispatch_async(dispatch_get_main_queue()
Now, when I want to run or debug my program. I see this window during each run:
How to undo all changes in this file and make this window no longer show.
I have a similar issue but for queue in C++. I caused mine by accidentally applying the fix suggestion "Fix in 'queue' " offered by the compiler—I assume that that is how yours happened too. I force quit X Code, thus losing any unsaved changes, and then reopened the app. That seems to have fixed the problem.
Related
I'm working on a project using WebKitGTK and I'm having trouble with the WebInspector after having enabled it using the enable-developer-extras property.
I can open it fine, but when I click the close, pop-out into own window, or switch to sidebar buttons they don't do anything. In my application there's literally no way to close WebInspector once you've opened it.
It doesn't appear to be anything I've changed in my code because I remember it working before, but when I check those commits from Git they're now broken as well. At the same time however it does look like something I'm doing because other applications on my computer using WebKitGTK have their WebInspector working perfectly (and yes, I checked out their code).
So my question is: Has anyone faced a similar issue? And does anyone have an idea how it might be fixed?
You're probably hitting this bug. Workaround is to add a dummy call to webkit_web_view_get_inspector somewhere.
Yes, this happens to people. Yes, I've looked at all the solutions.
This is different.
XCode starts and there is no error message, it just freezes. This is the screen I get:
That's it. No errors. I can't interact with it, I can't close it. The only thing I can do is use Show All Windows. There are five and yes I don't need them all (never did! don't know why I have them) but I can't close any of them. To get rid of it I need to do a hard reset.
I've tried deleting the library file in Finder as this was one of the solutions.
Nope.
Anyone any ideas?
I think it's XCode 6 (the latest) but I can't tell because I can't access the menu.
I ended up scouring Stackoverflow for ways to clear the startup process.
You hold cmd+shift when you start XCode - ONLY from the task bar, this does NOT work if you go into the Applications folder - and it will load blank.
Then you can load your project.
I searched StackOverflow and it doesn't look like many people are having this problem, but for me, this happens very, very frequently. Maybe not every time, but perhaps every other time.
Once I try to build and run the app, Xcode crashes, and in a strange way: it just disappears with no error messages, no suggestion to report the problem, nothing at all. This happened with Xcode 6.0 as well. It doesn't matter whether I am running the app on a device or on an emulator.
To prevent the crash, I need to Product > Clean. If I do this clean each time before running the app, crashes do not happen, but once I forget to do that, Xcode can crash any moment.
I don't think I ever had this crash with an old project, but it keeps happening with the project that I started in Xcode 6.0.
Because of that, iOS development is becoming for me quite a painful exercise, similar to pre-Android-Studio Android development.
Is it just my problem, or maybe someone else is having it? Maybe someone has a solution?
I just started running into the same issue and found a workaround for it. Found it to be an issue with building when Xcode is full screen. Seems silly, but so far exiting full screen mode has worked for me. I've been able to re-introduce the issue after building full screen a few times, and then instantly fix it again by exiting full screen.
Yeah, it's not that the app is crashing, it's just that the click is triggering the red close window button behind the red button (yeah, seriously). You'll notice, Xcode is still open, it's just that the window has closed. You might also notice that sometimes when you click "stop" in full screen mode, it switches to non full screen. Again, the tap is passing through the run/stop buttons to the underlying window controls.
So dumb.
I solved it using 'cmd + R' instead of clicking the run button
I moved to Lion 2 months ago, and since then I sometimes encounter that a TextMate keyboard shortcut doesn't work anymore (which means: nothing happens), and then, after a restart of TextMate, it works again.
This time, it was CTRL + ALT + SHIFT + DOWN, which should trigger Cucumber's Go to current step command. After restart of TM, it worked again. I also experienced this with CMD+SHIFT+7 (which results in Cmd-/ on my swiss layout) for commenting out lines.
Any idea about what's the problem? As I mentioned in a previous post, for the commenting out shortcut it finally happened to be the application Skitch sometimes which blocks this commend and prevents it from being sent to TM. But this doesn't have to do with the restart scenario I have now.
Anyway, it would be nice to have OSX display some info box whenever a keyboard shortcut is pressed which tells what exactly was executed, so e.g. when pressing CMD+S it would tell "Save Document", or CMD+SHIFT+3 "Take Screenshot", etc., so you'd always know what was triggered and don't have to think a shortcut ended up in Nirvana... Maybe there is some application or OSX extensions that does this?
I've found that when this happens, there's a background process going on that is, for some reason, disabling some or all of your keyboard shortcuts. I also found that it's very easily remedied by typing Command-. (period) which tells TextMate to cancel the running background task.
Try it next time it happens and see if that doesn't at least ameliorate the problem. Fixing it would require figuring out what background task is getting wedged and either fixing or eliminating it.
I'm writing a simple Cocoa Application, no core data or multiple document support. Running on a Mac Pro, OS X 10.6.6, Xcode 3.2.3.
I have reduced my application to the following code in my AppDelegate class:
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
NSOpenPanel *openPanel = [NSOpenPanel openPanel];
[openPanel runModal];
return;
}
From within the debugger, I will run my application. As expected a somewhat not-to-useful OpenPanel will appear. I will click Cancel and it will disappear. All this is as expected. When I click [Command + Q] to Quit the application, the UI will go away but the debugger will indicate that the application is still running (as does the console output).
Based upon all the information I'm reading, I should not have to do anything else in order for this to run right. I've downloaded several examples on the Open Panel's usage but most use the deprecated methods of opening modal giving additional information as parameters. FWIW, I tried those methods and am still seeing the same result.
One last item, when the Open dialog appears, just for an instant I see a message box asking me something to the extent if I want my application to receive incoming connections. The dialog quickly disappears. I don't know if that is part of my problem or not. [Update - this deals with my Firewall being turned on.]
Yes, I'm fairly new at Objective C but not at programming in general. Any words of wisdom is greatly appreciated!
2011.02.07 - Update:
I have walked the debugger line by line without incident. There is no indication of any program failure in the console window.
I say that the debugger is still active after [Command + Q] because the Stop Process toolbar button is still enabled as is the Break button. Further the console indicates that after I tell the application to terminate (either via the menu or key command) that it is still running. The following is the Complete console output from start of run to after I Quit the application.
Program loaded.
run
[Switching to process 62370]
Running...
The Activity Monitor (system tool) will show my application terminating (no longer shows up as a process) but the Debugger will still not transition to "edit" mode - if I tell Xcode to run the debugger again, it will ask me if it's OK to Stop the current debugging session. If I was in Windows I would start looking for background threads keeping the process alive but as far as I know, NSOpenPanel should not be doing something like that.
I have further simplified the program to nothing more than creating a brand new Cocoa application and inserting the code snippet above - no other additions to the template project or updates in any way.
And lastly, when the application is run under the Leaks Performance Tool, everything runs fine when the panel is created but never used. When created and actually used though, at the end of the run I will get the following message in the tool "insufficient task_for_pid privileges (leakagent64)". Googling this hurts. If I read it right, the debugger does not have sufficient permissions to fully kill the target process ??? Now that sounds stupid but ... It does not make sense!
Another update - I just downloaded and ran FunHouse, one of the SDK sample applications that also uses NSOpenPanel. Well don't I feel special. It exhibits the same exact behavior. So from this I conclude either Apple has a bug in their code, my machine is special and messed up, and finally, it is Not my code that is at fault. That being the best part. Tomorrow, I will use a friends Mac and see if the same behavior is exhibited on his box.
This is just too weird.
I rebooted my box, took it to work and found it worked like a charm! I will assume this is fixed and has nothing to do with any other connected devices at home as compared to at work.
If it re-exhibits at home, then it is a network/device issue. Thanks all for your inputs and suggestions! Very much appreciated.
What, specifically, does the debugger say? It's possible that your program crashed, so the debugger is showing you information about the crash.
What if you omit any attempt to run an Open panel?