package com.example.testedittext;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.View;

import android.webkit.WebChromeClient;

import android.webkit.WebSettings;

import android.webkit.WebView;

import android.webkit.WebViewClient;

import android.widget.Button;

import android.widget.Toast;

import jni.helloworld;

public class MainActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        System.loadLibrary("helloworld");

        Toast.makeText(this, "xx " + new helloworld().dispHelloWorld(), Toast.LENGTH_SHORT).show();

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

}

package jni;

public class helloworld {

    public native String dispHelloWorld();

}

# Copyright (C) 2009 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.

#

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE    := helloworld

LOCAL_SRC_FILES := helloworld.c

include $(BUILD_SHARED_LIBRARY)

#include <jni.h>

#include <stdio.h>

JNIEXPORT jstring JNICALL Java_jni_helloworld_dispHelloWorld(JNIEnv *env,

		jobject obj) {

	char* cstr = "helloworld111";

	return (**env).NewStringUTF(env, cstr);

}