JSONHelper.java 文件源码

/**
 * Parses data from PhoneStateListener.LISTEN_CELL_LOCATION.onCellLocationChanged
 * http://developer.android.com/reference/android/telephony/cdma/CdmaCellLocation.html
 * @param location CdmaCellLocation
 * @return JSON
 */
public static String cdmaCellLocationJSON(CdmaCellLocation location){

    final Calendar calendar = Calendar.getInstance();
    final JSONObject json = new JSONObject();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && location != null) {
        try {
            json.put("provider", CELLLOCATION_PROVIDER);
            json.put("type", CDMA);
            json.put("timestamp", calendar.getTimeInMillis());
            json.put("baseStationId", location.getBaseStationId()); // -1 if unknown
            json.put("networkId", location.getNetworkId()); // -1 if unknown
            json.put("systemId", location.getSystemId()); // -1 if unknown
            json.put("baseStationLatitude", CdmaCellLocation.convertQuartSecToDecDegrees(location.getBaseStationLatitude()));
            json.put("baseStationLongitude", CdmaCellLocation.convertQuartSecToDecDegrees(location.getBaseStationLongitude()));
        }
        catch(JSONException exc) {
            logJSONException(exc);
        }
    }

    return json.toString();
}