(1) This discussion should be on android-ndk. (2) Make sure you have CheckJNI enabled (setprop dalvik.vm.checkjni true) if you're not on the emulator. (3) The logcat output will have some information about the crash that you should include.
On Sep 15, 3:33 am, caval <[email protected]> wrote: > firstly I save JVM pointer in a native function which called when ap > lauched: > JNIEXPORT void JNICALL Java_com_caval_ServerList_Init > (JNIEnv * env, jobject obj) > { > ... > > *// save jvm pointer* > * **int nRt = env->GetJavaVM(&jvm);* > > if (nRt == 0) > fprintf(stdout, "InitDLNACP --> GetJavaVM Success...\n"); > else > fprintf(stderr, "InitDLNACP --> GetJavaVM Failed...\n"); > > } > > then, when some event echoed I will make a callback of some class in jvm > > void _callback() > { > JNIEnv *env = NULL; > int nResult = -1; > > *nResult = jvm->AttachCurrentThread((void **)&env, NULL);* > *if ((nResult != 0) || (env == NULL))* > { > fprintf(stderr, "--> In _Java_com_caval_now_Map_AddItem Thread Attached > Failed.\n"); > return; > > } > > jstring ret = env->NewStringUTF(pszTitle); // I run to this line and ap > crashed. > jclass cls = env->FindClass("com/caval/now/ServerList"); > > } > > the AttachCurrentThread func return OK and also I get the env pointer. > but any call on env will crash. > > I have no idea of this issue...any help will highly appriciated. > > Regards, > Caval. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
