Google Developer Day 2011 Tokyo / DevQuiz: Android

DevQuiz.java

package org.ajunk.android.gdd2011devquiz;

import android.app.Activity;
import android.os.Bundle;

import android.content.ComponentName;
import android.app.AlertDialog;
import android.os.IBinder;
import android.content.ServiceConnection;
import android.content.Intent;

import com.google.android.apps.gddquiz.IQuizService;

public class DevQuiz extends Activity
{
    private IQuizService service_if;
    private AlertDialog.Builder alert;


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

        alert = new AlertDialog.Builder(this);
        Intent intent = new Intent(IQuizService.class.getName());
        bindService(intent, service_conn, BIND_AUTO_CREATE);
    }

    @Override
    public void onDestroy() {
      super.onDestroy();
      unbindService(service_conn);
    }

    private ServiceConnection service_conn = new ServiceConnection() {
      @Override
      public void onServiceConnected(ComponentName name, IBinder service) {
        service_if = IQuizService.Stub.asInterface(service);

        alert.setTitle("code");

        try {
        alert.setMessage(service_if.getCode());
        } catch(android.os.RemoteException e) {}

        alert.setPositiveButton("OK",null);
        alert.show();
      }

      @Override
      public void onServiceDisconnected(ComponentName name) {
        service_if = null;
      }
    };
}