360天气信息获取

懒得每次都要去找接口，还是自己整理一下好了。
步骤一：百度定位服务 key and service 拿到城市名称



步骤二：本地数据库保存城市名称和匹配的城市id号


步骤三：volley网络请求根据城市名称或者城市ID号获取天气信息

public static void loadWeatherInfo(String city, final CalendarWeatherCallBack callback) {
        if (weather == null) {
            weather = new Weather();
        }

        if (city.contains("市")) {
            city = city.replace("市", "");
        }

        try {
            city = URLEncoder.encode(city, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        // String url = "http://wthrcdn.etouch.cn/weather_mini?city=" + city;
        String url = String.format(baseUrl, city);
        StringRequest request = new StringRequest(url, new Listener<String>() {
            @Override
            public void onResponse(String arg) {
                String result = "";
                try {
                    result = new String(arg.getBytes("iso-8859-1"), "utf-8");
                } catch (UnsupportedEncodingException e1) {
                    e1.printStackTrace();
                }
                try {
                    JSONObject object = new JSONObject(result);
                    if ("OK".equals(object.getString("desc"))) {
                        JSONArray forecast = object.getJSONObject("data").getJSONArray("forecast");
                        JSONObject today = (JSONObject) forecast.get(0);
                        String low = today.getString("low");
                        String high = today.getString("high");
                        String type = today.getString("type");

                        if (low.contains("低温")) {
                            low = low.replace("低温", "");
                        }
                        if (high.contains("高温")) {
                            high = high.replace("高温", "");
                        }

                        weather.setHigh(high);
                        weather.setLow(low);
                        weather.setType(type);
                        weather.setResId(getWeatherIconResId(type));

                        callback.onCalendarWeatherSuccess(weather);
                    } else {
                        callback.onCalendarWeatherError();
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                    callback.onCalendarWeatherError();
                }
            }
        }, new ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError arg0) {
                callback.onCalendarWeatherError();
            }
        });
        WeatherApplication.getVolleyRequestQueue().add(request);
    }

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