Android Open Source - Weather Weather Widget

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.imlongluo.weather.app;
/*w w w .  ja  va  2s  .  com*/
import java.text.SimpleDateFormat;
import java.util.Date;

import org.json.JSONException;
import org.json.JSONObject;

import com.imlongluo.weather.R;
import com.imlongluo.weather.utils.WebAccessTools;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.util.Log;
import android.widget.RemoteViews;
  
public class WeatherWidget extends AppWidgetProvider {
  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
      int[] appWidgetIds) {
    super.onUpdate(context, appWidgetManager, appWidgetIds);
    
    //????????????????????????
    getWeatherView(context);
    
    //???????????widget??????????
    context.startService(new Intent(context,UpdateWidgetService.class));
  }
  
  @Override //?????????Widget???????
  public void onDisabled(Context context) {
    super.onDisabled(context);
    //???????????
    context.stopService(new Intent(context,UpdateWidgetService.class));
  }

  //??widget????????
  public static RemoteViews getWeatherView(Context context){
    RemoteViews views=new RemoteViews(context.getPackageName(), R.layout.widget_layout);
    
    //??widget??????????MainActivity??????????????????
    Intent intent = new Intent(context, MainActivity.class);
    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
    views.setOnClickPendingIntent(R.id.weather_rootLayout, pendingIntent);
    
    return views;
  }
  
  public static void updateAppWidget(RemoteViews views, Context context, 
      AppWidgetManager appWidgetManager, String cityCode) {
    
    SharedPreferences shared = context.getSharedPreferences(MainActivity.STORE_WEATHER, MainActivity.MODE_PRIVATE);
    long currentTime = System.currentTimeMillis();
    //?????????????
    long vaildTime = shared.getLong("validTime", currentTime);
    //?????????????????????????????
    if(vaildTime <= currentTime)
      updateWeather(views, context, cityCode);
    else
      updateWeather(views, context);
    
    //????
    Date date = new Date();
    SimpleDateFormat foramt = new SimpleDateFormat("hh:mm");
    String timeText = foramt.format(date);
    Log.i("widget", "===================update  time======"+timeText+"=====================");
    views.setTextViewText(R.id.widget_time , timeText);
  }

  //????????????????
  public static void updateWeather(RemoteViews views, Context context) {
    SharedPreferences sp = context.getSharedPreferences(MainActivity.STORE_WEATHER,MainActivity.MODE_PRIVATE);
    
    String info=sp.getString("city", "");
    views.setTextViewText(R.id.widget_city, info);
    
    info=sp.getString("date_y", "");
    views.setTextViewText(R.id.widget_data01, info);
    
    info= sp.getString("temp1", "");
    views.setTextViewText(R.id.widget_temp, info);
    
    info= sp.getString("weather1", "");
    views.setTextViewText(R.id.widget_weather, info);
    
    views.setImageViewResource(R.id.widget_icon, sp.getInt("img_title1", R.drawable.weathericon_condition_17));
  }
  
  //???????????views????????
  public static void updateWeather(RemoteViews views, Context context, String cityCode) {
    //?????????
    StringBuffer str = new StringBuffer("http://m.weather.com.cn/data/");
    str.append(cityCode);
    str.append(".html");
    try {
      String info =new WebAccessTools(context).getWebContent(str.toString());
      JSONObject json=new JSONObject(info).getJSONObject("weatherinfo");
      int weather_icon = 0;
      
      //???????????
      SharedPreferences.Editor editor = context.getSharedPreferences(MainActivity.STORE_WEATHER,
          MainActivity.MODE_PRIVATE).edit();
      
      //????
      info=json.getString("city");
      editor.putString("city", info);
      
      views.setTextViewText(R.id.widget_city, info);
      
      //??????
      info= json.getString("date_y") ;
      info= info+"("+json.getString("week")+")";
      editor.putString("date_y", info);
      
      views.setTextViewText(R.id.widget_data01, info);
      
      //????
      info= json.getString("date");
      editor.putString("date", info);
      //????
      info= json.getString("temp1");
      editor.putString("temp1", info);
      
      views.setTextViewText(R.id.widget_temp, info);
      //????
      info= json.getString("weather1");
      editor.putString("weather1", info);
      
      views.setTextViewText(R.id.widget_weather, info);
      //????
      info= json.getString("img_title1");
      weather_icon = MainActivity.getWeatherBitMapResource(info);
      editor.putInt("img_title1", weather_icon);
      
      views.setImageViewResource(R.id.widget_icon, weather_icon);
      //??????
      info= json.getString("wind1");
      editor.putString("wind1", info);
      //????
      info= json.getString("index_d");
      editor.putString("index_d", info);
      
      //???????
      info= json.getString("weather2");
      editor.putString("weather2", info);
      //?????
      info= json.getString("img_title2");
      weather_icon = MainActivity.getWeatherBitMapResource(info);
      editor.putInt("img_title2", weather_icon);
      //?????
      info= json.getString("temp2");
      editor.putString("temp2", info);
      //?????
      info= json.getString("wind2");
      editor.putString("wind2", info);
      
      //???????
      info= json.getString("weather3");
      editor.putString("weather3", info);
      //????????
      info= json.getString("img_title3");
      weather_icon = MainActivity.getWeatherBitMapResource(info);
      editor.putInt("img_title3", weather_icon);
      //???????
      info= json.getString("temp3");
      editor.putString("temp3", info);
      //???????
      info= json.getString("wind3");
      editor.putString("wind3", info);
      
      //?????????5???
      long validTime = System.currentTimeMillis();
      validTime = validTime + 5*60*60*1000;
      editor.putLong("validTime", validTime);
      
      //???
      editor.commit();
    }catch(JSONException e) {
      e.printStackTrace();
    }
  }
}

Java Source Code List

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