Android口袋天气系列三-->天气数据的获取

来源：互联网发布：nginx tomcat集群配置编辑：程序博客网时间：2024/04/29 03:38
本app的数据是从HaoService数据平台获取的
步骤：
1.通过okhttp框架获取json数据
2.对json数据进行解析
3.字符串的处理，处理成为合适的天气数据： a..普通的函数
b..正则表达式
4.通过handler去更新UI
代码如下：
/** * 根据GPS查询天气 * Created by Administrator on 2016/5/8. */public class WeatherAsyncTask extends AsyncTask<String,Integer,WeatherInfor> {    private String currentUrl; //当前访问路径    private ProgressBar progressBar;//进度条    private Handler handler;    private WeatherInfor weatherInfor;//城市信息    private PocketWeatherDB pocketWeatherDB; //数据库    private Context context;    private int isLocated;//是否为定位城市    public WeatherAsyncTask(Handler handler,Context context,int  isLocated) {        this.handler=handler;        pocketWeatherDB=PocketWeatherDB.getInstance(context);        this.isLocated=isLocated;    }    @Override    protected void onPreExecute() {        super.onPreExecute();    }    @Override    protected void onPostExecute(WeatherInfor weatherInfor) {        super.onPostExecute(weatherInfor);        //传递数据用来更新主界面里面的UI        Message msg=new Message();        msg.what=1;        Bundle bundle=new Bundle();        bundle.putSerializable("weatherInfor", weatherInfor);        msg.setData(bundle);        handler.sendMessage(msg);    }    @Override    protected WeatherInfor doInBackground(String... params) {         weatherInfor=new WeatherInfor();        currentUrl=params[0];        OkHttpClient okHttpClient=new OkHttpClient();        Request request=new Request.Builder().url(currentUrl).build();        Call call=okHttpClient.newCall(request);        try {            Response response=call.execute();            if (response.isSuccessful()){                String sj=response.body().string();                weatherInfor=getWeatherInfo(sj);                //更新城市名称                if (isLocated==1){                    pocketWeatherDB.updateCityName(weatherInfor.getTodayWeather().getCity());                    pocketWeatherDB.updateHotCityName(weatherInfor.getTodayWeather().getCity());                }            }        } catch (IOException e) {            e.printStackTrace();        }        return weatherInfor;    }    /**     * 解析json数据     * @param     */    public WeatherInfor getWeatherInfo(String sj){        WeatherInfor weatherInfor=new WeatherInfor();        try {            CurrentWeather currentWeather=new CurrentWeather();            TodayWeather todayWeather=new TodayWeather();            FutureWeather futureWeather=new FutureWeather();            ArrayList<FutureItemWeather> futureItemWeathers=new ArrayList<>();            JSONObject jsonObject=new JSONObject(sj);            JSONObject resultObject=jsonObject.getJSONObject("result");            JSONObject skObject=resultObject.getJSONObject("sk");            JSONObject todayObject=resultObject.getJSONObject("today");            JSONArray futureArray=resultObject.getJSONArray("future");            for (int i=0;i<futureArray.length();i++){                JSONObject futureItem=futureArray.getJSONObject(i);                FutureItemWeather futureItemWeather=new FutureItemWeather();                //温度数据的处理                String temp=futureItem.getString("temperature").trim();                futureItemWeather.setMinTemp( temp.split("~")[0]);                futureItemWeather.setMaxTemp( temp.split("~")[1]);                futureItemWeather.setWind(futureItem.getString("wind"));                futureItemWeather.setWeather(futureItem.getString("weather"));                futureItemWeather.setFa(futureItem.getString("fa"));                futureItemWeather.setFb(futureItem.getString("fb"));                futureItemWeather.setWeek(futureItem.getString("week"));                //日期处理                String mdate=futureItem.getString("date").toString().trim();                String date="";                date=date+mdate.substring(0,4)+"/"+mdate.substring(4,6)+"/"+mdate.substring(6,8);                futureItemWeather.setDate(date);                futureItemWeathers.add(futureItemWeather);            }            futureWeather.setFuture(futureItemWeathers);            currentWeather.setCurrTemp(skObject.getString("temp"));            currentWeather.setWindDirection(skObject.getString("wind_direction"));            currentWeather.setWindStrength(skObject.getString("wind_strength"));            currentWeather.setHumidity(skObject.getString("humidity"));            currentWeather.setRefreshTime(skObject.getString("time"));            todayWeather.setCity(todayObject.getString("city"));            //日期处理            String mdate=todayObject.getString("date_y");            String date;            date=mdate.substring(0,4)+"/"+mdate.substring(5,7)+"/"+mdate.substring(8,10);            todayWeather.setDate(date);            todayWeather.setWeek(todayObject.getString("week"));            //今日温度处理            String temp=todayObject.getString("temperature").trim();            todayWeather.setMaxTemp( temp.split("~")[1]);            todayWeather.setMinTemp( temp.split("~")[0]);            todayWeather.setWeather(todayObject.getString("weather"));            todayWeather.setWind(todayObject.getString("wind"));            todayWeather.setDressing_index(todayObject.getString("dressing_index"));            todayWeather.setDressing_advice(todayObject.getString("dressing_advice"));            todayWeather.setUv_index(todayObject.getString("uv_index"));            todayWeather.setComfort_index(todayObject.getString("comfort_index"));            todayWeather.setWash_index(todayObject.getString("wash_index"));            todayWeather.setTravel_index(todayObject.getString("travel_index"));            todayWeather.setExercise_index(todayObject.getString("exercise_index"));            todayWeather.setDrying_index(todayObject.getString("drying_index"));            weatherInfor.setCurrentWeather(currentWeather);            weatherInfor.setTodayWeather(todayWeather);            weatherInfor.setFutureWeather(futureWeather);        } catch (JSONException e) {            e.printStackTrace();        }        return weatherInfor;    }    @Override    protected void onProgressUpdate(Integer... values) {        super.onProgressUpdate(values);    }}
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