It will be hard to know without seeing your code on the permission check..., it's not triggering a securityexception (which is what you care about..).
In any case, you need to take a debugger to your app and go to that line, and find out what is null.. kris On Mon, Jul 23, 2012 at 10:46 AM, Zoltán Páll <[email protected]> wrote: > no and i don't know how to check :) > > > On Monday, July 23, 2012 4:39:48 PM UTC+2, Kristopher Micinski wrote: >> >> are you sure that's even from your app and not something else... >> >> kris >> >> On Mon, Jul 23, 2012 at 10:38 AM, Zoltán Páll wrote: >> > Oh, the permission denied is just a warning. My app crashes because of >> > something else. What's this permission denied then? >> > >> > Z. >> > >> > >> > On Monday, July 23, 2012 4:37:24 PM UTC+2, Zoltán Páll wrote: >> >> >> >> Thanks Mark, >> >> >> >> How would you proceed then with this logcat output (if you don't mind >> >> helping me a little more) >> >> >> >> 07-23 16:32:05.732: E/AndroidRuntime(13008): Uncaught handler: thread >> >> main >> >> exiting due to uncaught exception >> >> 07-23 16:32:05.832: W/System.err(13008): java.io.IOException: >> >> Permission >> >> denied >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): FATAL EXCEPTION: main >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): >> >> java.lang.NullPointerException >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> com.pallzoltan.MainActivity.onPreviewFrame(MainActivity.java:122) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> android.hardware.Camera$EventHandler.handleMessage(Camera.java:547) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> android.os.Handler.dispatchMessage(Handler.java:99) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> android.os.Looper.loop(Looper.java:130) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> android.app.ActivityThread.main(ActivityThread.java:3683) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> java.lang.reflect.Method.invokeNative(Native Method) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> java.lang.reflect.Method.invoke(Method.java:507) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> >> >> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:895) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:653) >> >> 07-23 16:32:05.882: E/AndroidRuntime(13008): at >> >> dalvik.system.NativeStart.main(Native Method) >> >> >> >> Line 122 is the highlighted one >> >> >> >> b.setPixels(rgba, 0, mCameraWidth, 0, 0, mCameraWidth, mCameraHeight); >> >> >> >> Canvas c = new Canvas(b); >> >> >> >> mImageView.draw(c); >> >> >> >> >> >> Thanks, >> >> >> >> Z. >> >> >> >> >> >> On Monday, July 23, 2012 3:38:26 PM UTC+2, Mark Murphy (a Commons Guy) >> >> wrote: >> >>> >> >>> On Mon, Jul 23, 2012 at 9:04 AM, Zoltán Páll wrote: >> >>> > 1) When running an app from Eclipse, the app might crash. Eclipse >> >>> > shows >> >>> > me a >> >>> > stack trace (Debug panel) but it all looks like native Android >> >>> > functions, >> >>> > which I have nothing to do with, so after playing around with >> >>> > Eclipse, >> >>> > I >> >>> > found that if i step over the stops, LogCat will spit out a partial >> >>> > stack >> >>> > trace. Is this the proper way of finding the faulty line of code? >> >>> > How >> >>> > do you >> >>> > guys handle this? >> >>> >> >>> I usually let the crash continue and examine LogCat. >> >>> >> >>> > 2) Also when crashing, my app might be crashing because of not >> >>> > having >> >>> > the >> >>> > right permissions. (How) Can I find out what permissions stop the >> >>> > app >> >>> > from >> >>> > running, or do I just have to guess that it needs some >> >>> > camera-related >> >>> > permissions if the faulty lines proves to be related to camera? >> >>> >> >>> The stack trace will tell you when your problem is due to permissions >> >>> -- the exception should tell you the permission that you need. Also, >> >>> many (most?) methods in the Android SDK that require a permission are >> >>> documented as such, either at the method or class level, in the >> >>> JavaDocs. >> >>> >> >>> -- >> >>> Mark Murphy (a Commons Guy) >> >>> http://commonsware.com | http://github.com/commonsguy >> >>> http://commonsware.com/blog | http://twitter.com/commonsguy >> >>> >> >>> _The Busy Coder's Guide to Android Development_ Version 3.8 Available! >> > > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
