Android NDK（三）- JNI 异常

jint Throw(JNIEnv *env, jthrowable obj);

jint ThrowNew(JNIEnv *env, jclass clazz, const char *message);

jthrowable ExceptionOccurred(JNIEnv *env);

void ExceptionDescribe(JNIEnv *env);

void ExceptionClear(JNIEnv *env);

void FatalError(JNIEnv *env, const char *msg);

jboolean ExceptionCheck(JNIEnv *env);

jclass clazz = env->FindClass("java/lang/UnsupportedOperationException");
if (clazz != nullptr) {
    env->ThrowNew(clazz, "Sorry, device is unsupported.");
}
env->DeleteLocalRef(clazz);

public void func() {
    throw new IllegalArgumentException("test");
}

public native void testException();

extern "C" JNIEXPORT void JNICALL
Java_com_sample_MainActivity_testException(JNIEnv *env, jobject thiz) {
    jclass clazz = env->FindClass("com/sample/MainActivity");
    if (clazz != nullptr) {
        jmethodID func = env->GetMethodID(clazz, "func", "()V");
        env->CallVoidMethod(thiz, func);
        if (func != nullptr) {
            if (env->ExceptionCheck()) {
                env->ExceptionDescribe();
                env->ExceptionClear();
            }
        }
    }
    env->DeleteLocalRef(clazz);
}