android get package name from jni

gistfile1.c

static jstring getpkg(JNIEnv* env, jobject thiz, jobject activity) {
	jclass android_content_Context =env->GetObjectClass(activity);
	jmethodID midGetPackageName = env->GetMethodID(android_content_Context,"getPackageName", "()Ljava/lang/String;");
	jstring packageName= (jstring)env->CallObjectMethod(activity, midGetPackageName);
	return packageName;
}

Good code. But do you know a way of performing this without activity handle?

for reference, a way to do it without activity parameter:

JNIEXPORT jstring JNICALL
Java_com_example_test_Test_getPackageName(JNIEnv *env, jobject obj)
{
    jclass cls = (*env)->GetObjectClass(env, obj);
    jmethodID mid = (*env)->GetMethodID(env, cls, "getPackageManager", "()Landroid/content/pm/PackageManager;");
    jobject packageManager = (*env)->CallObjectMethod(env, obj, mid);

    // this.getPackageName()
    mid = (*env)->GetMethodID(env, cls, "getPackageName", "()Ljava/lang/String;");
    jstring packageName = (jstring) (*env)->CallObjectMethod(env, obj, mid);

   return packageName;
}