/*
 * 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.
 */
package com.example.hellojni;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

public class HelloJni extends Activity {
 private ListView lvResult;
 Intent intentStartService;
 
 static final private int CMD_FILE_READ = 1; 

 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

  lvResult = (ListView)findViewById(R.id.lvResult);
  Button btSvcStart = (Button) findViewById(R.id.btSvcStart);
  Button btSvcStop = (Button) findViewById(R.id.btSvcStop);
  Button btFileRead = (Button) findViewById(R.id.btFileRead);

  Toast.makeText(HelloJni.this, stringFromJNI(), Toast.LENGTH_SHORT)
    .show();
  
  intentStartService = new Intent(this, HelloService.class);
  
  btSvcStart.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View _v) {
    // TODO Auto-generated method stub
    Toast.makeText(HelloJni.this, "Service starting",
      Toast.LENGTH_SHORT).show();
    
    //Toast.makeText(HelloJni.this, startServiceJNI(), Toast.LENGTH_SHORT).show();
    
    startService(intentStartService);
   }

  });

  btSvcStop.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View _v) {
    // TODO Auto-generated method stub
    
    Toast.makeText(HelloJni.this, "Service stopping",
      Toast.LENGTH_SHORT).show();
    
    stopService(intentStartService);
        
   }

  });

  btFileRead.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View _v) {
    // TODO Auto-generated method stub
    Toast.makeText(HelloJni.this, sendCmdToServiceJNI(CMD_FILE_READ), Toast.LENGTH_SHORT).show();
   }

  });

 }

 public native String stringFromJNI();
 public native String sendCmdToServiceJNI(int _cmd);
 public native String startServiceJNI();

 static {
  System.loadLibrary("hello-jni");
 }
}


package com.example.hellojni;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.widget.Toast;

public class HelloService extends Service {

 @Override
 public void onStart(Intent intent, int startId) {
  // TODO Auto-generated method stub
  
  System.loadLibrary("hello-jni");
  
  Context context = getApplicationContext();

  Toast.makeText(context, startServiceJNI(), Toast.LENGTH_SHORT).show();
//  Toast.makeText(context, "JNI Calling", Toast.LENGTH_SHORT).show(); 
 }

 @Override
 public IBinder onBind(Intent arg0) {
  // TODO Auto-generated method stub
  
  return null;
 }

 public native String startServiceJNI();
}