https://bugzilla.novell.com/show_bug.cgi?id=692540
https://bugzilla.novell.com/show_bug.cgi?id=692540#c0 Summary: AdnroidGameView OnTouchEvent Object.GetObject NullReferenceException Classification: Mono Product: MonoDroid Version: unspecified Platform: Other OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Runtime AssignedTo: mono-bugs@lists.ximian.com ReportedBy: he...@exdream.com QAContact: mono-bugs@lists.ximian.com Found By: Customer Blocker: Yes Description of Problem: OpenGL application which is using touch input crashes randomly after some time if touching the device. If no touches are done, the application remains stable. Steps to reproduce the problem: 1. Create an opengl application, override AndroidGameView.OnTouchEvent and touch around. Actual Results: Crashing the whole application. Expected Results: Not crashing. How often does this happen? Depends on application and on touch behavior. Random timeframe from 1 second to 3 minutes. (When touching) Additional Information: Exception log: 01-02 00:18:14.170: INFO/MonoDroid(523): UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object 01-02 00:18:14.170: INFO/MonoDroid(523): at Java.Lang.Object.GetObject (intptr,System.Type,bool) <0x00104> 01-02 00:18:14.170: INFO/MonoDroid(523): at Java.Lang.Object._GetObject<Android.Views.View> (intptr,bool) <0x0004f> 01-02 00:18:14.170: INFO/MonoDroid(523): at Java.Lang.Object.GetObject<Android.Views.View> (intptr,bool) <0x0002b> 01-02 00:18:14.170: INFO/MonoDroid(523): at Android.Views.View.n_OnTouchEvent_Landroid_view_MotionEvent_ (intptr,intptr,intptr) <0x00027> 01-02 00:18:14.170: INFO/MonoDroid(523): at (wrapper dynamic-method) object.e768090b-ef91-4519-9021-fdc2044e373f (intptr,intptr,intptr) <0x00033> 01-02 00:18:14.200: WARN/dalvikvm(523): JNI WARNING: JNI method called with exception raised 01-02 00:18:14.200: WARN/dalvikvm(523): in Ldelta/platforms/monodroid/MonoDroidGameView;.n_onTouchEvent (Landroid/view/MotionEvent;)Z (GetStaticMethodID) 01-02 00:18:14.200: WARN/dalvikvm(523): Pending exception is: 01-02 00:18:14.200: INFO/dalvikvm(523): java.lang.Throwable: System.NullReferenceException: Object reference not set to an instance of an object 01-02 00:18:14.200: INFO/dalvikvm(523): at Java.Lang.Object.GetObject (intptr,System.Type,bool) <0x00104> 01-02 00:18:14.200: INFO/dalvikvm(523): at Java.Lang.Object._GetObject<Android.Views.View> (intptr,bool) <0x0004f> 01-02 00:18:14.200: INFO/dalvikvm(523): at Java.Lang.Object.GetObject<Android.Views.View> (intptr,bool) <0x0002b> 01-02 00:18:14.200: INFO/dalvikvm(523): at Android.Views.View.n_OnTouchEvent_Landroid_view_MotionEvent_ (intptr,intptr,intptr) <0x00027> 01-02 00:18:14.200: INFO/dalvikvm(523): at (wrapper dynamic-method) object.e768090b-ef91-4519-9021-fdc2044e373f (intptr,intptr,intptr) <0x00033> 01-02 00:18:14.200: INFO/dalvikvm(523): at delta.platforms.monodroid.MonoDroidGameView.n_onTouchEvent(Native Method) 01-02 00:18:14.200: INFO/dalvikvm(523): at delta.platforms.monodroid.MonoDroidGameView.onTouchEvent(MonoDroidGameView.java:32) The offending code seems to be located in this method. Maybe do some checks if the given pointers are valid? private static bool n_OnTouchEvent_Landroid_view_MotionEvent_(IntPtr jnienv, IntPtr native__this, IntPtr native_e) { View view = Object.GetObject<View>(native__this, false); // This line produces the crash MotionEvent e = Object.GetObject<MotionEvent>(native_e, false); return view.OnTouchEvent(e); } -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA contact for the bug. You are the assignee for the bug. _______________________________________________ mono-bugs maillist - mono-bugs@lists.ximian.com http://lists.ximian.com/mailman/listinfo/mono-bugs