LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

# Here we give our module name and source file(s)
LOCAL_MODULE    := hwnative
LOCAL_SRC_FILES := hwnative.c

include $(BUILD_SHARED_LIBRARY)

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

jstring Java_com_lithiumhead_android_HelloWorldNative_HelloWorldNativeActivity_invokeNativeFunction(JNIEnv* env, 
jobject javaThis)
{
       return (*env)->NewStringUTF(env, "Hello from native code!");
}

package com.lithiumhead.android.HelloWorldNative;

import 
android.app.Activity;
import android.app.AlertDialog;
import android.os.Bundle;
public class HelloWorldNativeActivity extends Activity
{
	//Load the library - name must match the one specified in jni/Android.mk
	static
	{
		System.loadLibrary("hwnative");
	}

	//Declare the native code function - must match the one in hwnative.c
	private native String invokeNativeFunction();

	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		//This is where we call the native code
		String hello = invokeNativeFunction();

		new AlertDialog.Builder(this).setMessage(hello).show();
	}
}