hoge.xml

HogeActivity.java

 * Copyright (C) 2007 The Android Open Source Project

package jp.co.fttx.rakuphotomail.activity;

import jp.co.fttx.rakuphotomail.R;
import jp.co.fttx.rakuphotomail.service.HogeService;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class HogeActivity extends Activity implements OnClickListener {

	private static final String ACTION = "HogeActivity.ACTION";
	private TextView mResultText;
	private Button mStart;
	private Button mStop;
	private Button mResult;
	private Intent intent = new Intent(this, HogeService.class);
	private HogeReceiver receiver = new HogeReceiver();
	private HogeService hogeService;

	private boolean mIsBound = false;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		Log.d("hoge", "HogeActivity#onCreate");
		super.onCreate(savedInstanceState);
		setContentView(R.layout.hoge);
		mResultText = (TextView) findViewById(R.id.hoge_text_result);
		mStart = (Button) findViewById(R.id.hoge_start);
		mStart.setOnClickListener(this);
		mStop = (Button) findViewById(R.id.hoge_stop);
		mStop.setOnClickListener(this);
		mResult = (Button) findViewById(R.id.hoge_result);
		mResult.setOnClickListener(this);
	}

	@Override
	public void onStart() {
		Log.d("hoge", "HogeActivity#onStart");
		super.onStart();
		doBind();
	}

	private void doBind() {
		Log.d("hoge", "HogeActivity#doBind");
		if (!mIsBound) {
			mIsBound = bindService(intent, mConnection,
					Context.BIND_AUTO_CREATE);
		}
	}

	private void doUnBind() {
		Log.d("hoge", "HogeActivity#doUnBind");
		// XXX
	}

	@Override
	public void onDestroy() {
		Log.d("hoge", "HogeActivity#onDestroy");
		if (mIsBound) {
			mIsBound = false;
			doUnBind();
		}
		super.onDestroy();
	}

	private ServiceConnection mConnection = new ServiceConnection() {
		public void onServiceConnected(ComponentName className, IBinder service) {
			Log.d("hoge", "ServiceConnection#onServiceConnected");
			hogeService = ((HogeService.HogeBinder) service).getService();
		}

		public void onServiceDisconnected(ComponentName className) {
			Log.d("hoge", "ServiceConnection#onServiceDisconnected");
			hogeService = null;
		}
	};

	private void doServiceStart() {
		Log.d("hoge", "HogeActivity#doServiceStart");
		intent.putExtra("message", "計算開始！");
		startService(intent);
		IntentFilter filter = new IntentFilter(HogeActivity.ACTION);
		registerReceiver(receiver, filter);
	}

	private void doServiceStop() {
		Log.d("hoge", "HogeActivity#doServiceStop");
		unregisterReceiver(receiver);
		hogeService.stopSelf();
	}

	private void doResult() {
		Log.d("hoge", "HogeActivity#doResult");
		int r = hogeService.getResult();
		Log.d("hoge", "HogeActivity#doResult r:" + r);
		mResultText.setText(r);
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.hoge_start:
			Log.d("hoge", "HogeActivity#onClick start");
			doServiceStart();
			break;
		case R.id.hoge_stop:
			Log.d("hoge", "HogeActivity#onClick stop");
			doServiceStop();
			break;
		case R.id.hoge_result:
			Log.d("hoge", "HogeActivity#onClick result");
			doResult();
			break;
		default:
			break;
		}
	}

	private class HogeReceiver extends BroadcastReceiver {
		@Override
		public void onReceive(Context context, Intent intent) {
			Log.d("hoge", "HogeReceiver#onReceive");
			Toast toast = Toast.makeText(getApplicationContext(), "result:"
					+ intent.getStringExtra("result"), Toast.LENGTH_LONG);
			toast.show();
		}
	}
}

HogeService.java

package jp.co.fttx.rakuphotomail.service;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;

public abstract class HogeService extends Service {

	private int result = 0, tmp = 0;
	private Thread fibonacciThread;
	private Runnable fibonacci;
	private boolean roop;
	private String message;

	@Override
	public void onCreate() {
		Log.d("hoge", "HogeService#onCreate");
		super.onCreate();
		result = 0 + 1;
	}

	@Override
	public void onStart(Intent intent, int startId) {
		Log.d("hoge", "HogeService#onStart");
		message = intent.getStringExtra("message");
		Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
		fibonacci = new Runnable() {
			@Override
			public void run() {
				while (roop) {
					Log.d("hoge", "計算中...");
					tmp = result;
					result = result + tmp;
					try {
						Thread.sleep(10000);
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
			}
		};
		fibonacciThread = new Thread(fibonacci);
		fibonacciThread.start();
	}

	@Override
	public void onDestroy() {
		Log.d("hoge", "HogeService#onDestroy");
	}

	public class HogeBinder extends Binder {
		public HogeService getService() {
			Log.d("hoge", "HogeBinder#getService");
			return HogeService.this;
		}
	}

	@Override
	public IBinder onBind(Intent intent) {
		Log.d("hoge", "HogeService#onBind");
		return new HogeBinder();
	}

	public int getResult() {
		Log.d("hoge", "HogeService#getResult");
		return result;
	}
}

Serviceの練習

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:text="Result:"
        android:textSize="50sp"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
    
    <TextView
        android:id="@+id/hoge_text_result"
        android:textSize="50sp"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="8" />

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/hoge_start"
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:text="START"
            android:layout_weight="5" />
        
        <Button
            android:id="@+id/hoge_stop"
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:text="STOP"
            android:layout_weight="5" />

        <Button
            android:id="@+id/hoge_result"
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:text="RESULT"
            android:layout_weight="5" />
    </LinearLayout>

</LinearLayout>