Examples with Sensor android.hardware.Sensor used on opensource projects

Example 36 with Sensor

use of android.hardware.Sensor in project aware-client by denzilferreira.

the class Aware method sensorDiff.

/**
 * This function returns a list of sensors to enable and one to disable because of server side configuration changes
 *
 * @param server
 * @param local
 * @return
 * @throws JSONException
 */
private static ArrayList<JSONArray> sensorDiff(Context context, JSONArray server, JSONArray local) throws JSONException {
    SensorManager manager = (SensorManager) context.getApplicationContext().getSystemService(Context.SENSOR_SERVICE);
    List<Sensor> sensors = manager.getSensorList(Sensor.TYPE_ALL);
    Hashtable<Integer, Boolean> listSensorType = new Hashtable<>();
    for (int i = 0; i < sensors.size(); i++) {
        listSensorType.put(sensors.get(i).getType(), true);
    }
    Hashtable<String, Integer> optionalSensors = new Hashtable<>();
    optionalSensors.put(Aware_Preferences.STATUS_ACCELEROMETER, Sensor.TYPE_ACCELEROMETER);
    optionalSensors.put(Aware_Preferences.STATUS_SIGNIFICANT_MOTION, Sensor.TYPE_ACCELEROMETER);
    optionalSensors.put(Aware_Preferences.STATUS_BAROMETER, Sensor.TYPE_PRESSURE);
    optionalSensors.put(Aware_Preferences.STATUS_GRAVITY, Sensor.TYPE_GRAVITY);
    optionalSensors.put(Aware_Preferences.STATUS_GYROSCOPE, Sensor.TYPE_GYROSCOPE);
    optionalSensors.put(Aware_Preferences.STATUS_LIGHT, Sensor.TYPE_LIGHT);
    optionalSensors.put(Aware_Preferences.STATUS_LINEAR_ACCELEROMETER, Sensor.TYPE_LINEAR_ACCELERATION);
    optionalSensors.put(Aware_Preferences.STATUS_MAGNETOMETER, Sensor.TYPE_MAGNETIC_FIELD);
    optionalSensors.put(Aware_Preferences.STATUS_PROXIMITY, Sensor.TYPE_PROXIMITY);
    optionalSensors.put(Aware_Preferences.STATUS_ROTATION, Sensor.TYPE_ROTATION_VECTOR);
    optionalSensors.put(Aware_Preferences.STATUS_TEMPERATURE, Sensor.TYPE_AMBIENT_TEMPERATURE);
    Set<String> keys = optionalSensors.keySet();
    JSONArray to_enable = new JSONArray();
    JSONArray to_disable = new JSONArray();
    ArrayList<String> immutable_settings = new ArrayList<>();
    immutable_settings.add("status_mqtt");
    immutable_settings.add("mqtt_server");
    immutable_settings.add("mqtt_port");
    immutable_settings.add("mqtt_keep_alive");
    immutable_settings.add("mqtt_qos");
    immutable_settings.add("mqtt_username");
    immutable_settings.add("mqtt_password");
    immutable_settings.add("status_esm");
    immutable_settings.add("study_id");
    immutable_settings.add("study_start");
    immutable_settings.add("webservice_server");
    immutable_settings.add("status_webservice");
    // enable new sensors from the server
    for (int i = 0; i < server.length(); i++) {
        JSONObject server_sensor = server.getJSONObject(i);
        for (String optionalSensor : keys) {
            if (server_sensor.getString("setting").equalsIgnoreCase(optionalSensor) && !listSensorType.containsKey(optionalSensors.get(optionalSensor)))
                continue;
        }
        if (immutable_settings.contains(server_sensor.getString("setting"))) {
            // don't do anything
            continue;
        }
        boolean is_present = false;
        for (int j = 0; j < local.length(); j++) {
            JSONObject local_sensor = local.getJSONObject(j);
            if (local_sensor.getString("setting").equalsIgnoreCase(server_sensor.getString("setting")) && local_sensor.getString("value").equals(server_sensor.getString("value"))) {
                is_present = true;
                break;
            }
        }
        if (!is_present)
            to_enable.put(server_sensor);
    }
    // disable local sensors that are no longer in the server
    for (int j = 0; j < local.length(); j++) {
        JSONObject local_sensor = local.getJSONObject(j);
        if (immutable_settings.contains(local_sensor.getString("setting"))) {
            // don't do anything
            continue;
        }
        for (String optionalSensor : keys) {
            if (local_sensor.getString("setting").equalsIgnoreCase(optionalSensor) && !listSensorType.containsKey(optionalSensors.get(optionalSensor)))
                continue;
        }
        boolean remove = true;
        for (int i = 0; i < server.length(); i++) {
            JSONObject server_sensor = server.getJSONObject(i);
            if (local_sensor.getString("setting").equalsIgnoreCase(server_sensor.getString("setting"))) {
                remove = false;
                break;
            }
        }
        if (remove)
            to_disable.put(local_sensor);
    }
    ArrayList<JSONArray> output = new ArrayList<>();
    output.add(to_enable);
    output.add(to_disable);
    return output;
}