JNI_OnLoad编译错误:request for member 'GetEnv' in something not a structure or union
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jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
JNIEnv* env = NULL;
jint result = -1;
if ((*vm)->GetEnv(vm,(void**) &env, JNI_VERSION_1_4) != JNI_OK) {
//if (vm->GetEnv(vm,(void**) &env, JNI_VERSION_1_4) != JNI_OK) {
LOGE("ERROR: GetEnv failed\n");
goto bail;
}
clazz = (*env)->FindClass(env,kClassBoa);
//clazz = env->FindClass(env,kClassBoa);
if (clazz == NULL) {
LOGE("Can't find class %s\n", kClassBoa);
return -1;
}
result = JNI_VERSION_1_4;
bail:
return result;
}
编译后,终于可以通过了。
特别注意:代码中的红色部分。如果你的代码是C++的,那么就是红色部分调用。如果是C,红色部分编译就会出错。
具体可以查看android源代码中jni.h的定义
development/boa-0.94.13/src/android_boaService.c:292: error: request for member 'FindClass' in something not a structure or union
development/boa-0.94.13/src/android_boaService.c:300: error: request for member 'RegisterNatives' in something not a structure or union
development/boa-0.94.13/src/android_boaService.c: In function 'JNI_OnLoad':
development/boa-0.94.13/src/android_boaService.c:315: error: request for member 'GetEnv' in something not a structure or union
本人一开始用的是红色部分(因为是仿照网上有的高手写的),费了我一个早上。在次给大家一个提醒。接下来就要写java的部分了
{
JNIEnv* env = NULL;
jint result = -1;
if ((*vm)->GetEnv(vm,(void**) &env, JNI_VERSION_1_4) != JNI_OK) {
//if (vm->GetEnv(vm,(void**) &env, JNI_VERSION_1_4) != JNI_OK) {
LOGE("ERROR: GetEnv failed\n");
goto bail;
}
clazz = (*env)->FindClass(env,kClassBoa);
//clazz = env->FindClass(env,kClassBoa);
if (clazz == NULL) {
LOGE("Can't find class %s\n", kClassBoa);
return -1;
}
result = JNI_VERSION_1_4;
bail:
return result;
}
编译后,终于可以通过了。
特别注意:代码中的红色部分。如果你的代码是C++的,那么就是红色部分调用。如果是C,红色部分编译就会出错。
具体可以查看android源代码中jni.h的定义
development/boa-0.94.13/src/android_boaService.c:292: error: request for member 'FindClass' in something not a structure or union
development/boa-0.94.13/src/android_boaService.c:300: error: request for member 'RegisterNatives' in something not a structure or union
development/boa-0.94.13/src/android_boaService.c: In function 'JNI_OnLoad':
development/boa-0.94.13/src/android_boaService.c:315: error: request for member 'GetEnv' in something not a structure or union
本人一开始用的是红色部分(因为是仿照网上有的高手写的),费了我一个早上。在次给大家一个提醒。接下来就要写java的部分了
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