examples/android_app/java/com/app/jni.cc

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <jni.h>
#include <string>

#include "java/app/jni_dep.h"

extern "C" JNIEXPORT jstring JNICALL
Java_app_Jni_hello(JNIEnv *env, jclass clazz) {
  std::string hello = "Hello";
  std::string jni = "JNI";
  return NewStringLatin1(env, (hello + " " + jni).c_str());
}