Android Open Source - android-NSUWeather Update Weather Service

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License

The source code is released under:
MIT License
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Java Source Code

/*
 * The MIT License (MIT)//w  ww  .  java  2s.  c  o  m
 *
 * Copyright (c) 2014 Maxim Belsky
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.mbelsky.nsuweather.service;

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import com.mbelsky.framework.network.Response;
import com.mbelsky.framework.network.ResponseListener;
import com.mbelsky.nsuweather.http.request.WeatherRequest;
import com.mbelsky.nsuweather.model.Weather;
import com.mbelsky.nsuweather.widgetprovider.WeatherWidgetProvider;

/**
 * User: mbelsky
 * Date: 23.08.13
 * Time: 3:31
 */
public class UpdateWeatherService extends Service {

    public static final String WEATHER_TEMPERATURE_EXTRA_KEY = "com.mbelsky.nsuweather.service.UpdateWeatherService.WEATHER_TEMPERATURE_EXTRA_KEY";
    public static final String WEATHER_REQUEST_IS_SUCCESS_EXTRA_KEY = "com.mbelsky.nsuweather.service.UpdateWeatherService.WEATHER_REQUEST_IS_SUCCESS_EXTRA_KEY";

    private static final long MIN_UPDATE_TIME_MILLIS = 1000;

    private long startServiceTime;
    private volatile boolean alreadyStarted;

    private final Intent deliverResultIntent = new Intent(WeatherWidgetProvider.WEATHER_UPDATED);
    private final Handler handler = new Handler();
    private final Runnable deliverResultRunnable = new Runnable() {
        @Override
        public void run() {
            sendBroadcast(deliverResultIntent);
            stopSelf();
        }
    };

    private final ResponseListener<Response<Weather>> weatherResponseListener = new ResponseListener<Response<Weather>>() {
        @Override
        public void onComplete(final Response<Weather> response) {
            final boolean isSuccess = response.isSuccess();
            deliverResultIntent.putExtra(WEATHER_REQUEST_IS_SUCCESS_EXTRA_KEY, isSuccess);

            if ( isSuccess ) {
                final String temperature = String.valueOf(response.getResult().temperature);
                deliverResultIntent.putExtra(WEATHER_TEMPERATURE_EXTRA_KEY, temperature);
            }

            final long timeDelta = System.currentTimeMillis() - startServiceTime;
            if ( timeDelta >= MIN_UPDATE_TIME_MILLIS ) {
                handler.post(deliverResultRunnable);
            } else {
                handler.postDelayed(deliverResultRunnable, MIN_UPDATE_TIME_MILLIS - timeDelta);
            }
        }
    };

    @Override
    public IBinder onBind(final Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        startServiceTime = System.currentTimeMillis();
    }

    @Override
    public int onStartCommand(final Intent intent, final int flags, final int startId) {
        if ( !alreadyStarted ) {
            alreadyStarted = true;
            weatherRequest();
        }
        return START_NOT_STICKY;
    }

    private void weatherRequest() {
        final WeatherRequest weatherRequest = new WeatherRequest();
        weatherRequest.setResponseListener(weatherResponseListener);
        weatherRequest.execute();
    }
}
Java Source Code List
