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/*
* Port of OpenIntents simulator to Android 2.1, extension to multi
* emulator support, and GPS and battery simulation is developed as a
* diploma thesis of Josip Balic at the University of Zagreb, Faculty of
* Electrical Engineering and Computing.
*
* Copyright (C) 2008-2010 OpenIntents.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.sensorsimulator.hardware;
import java.util.ArrayList;
import android.content.Context;
import android.hardware.SensorManager;
import android.os.Build;
import android.widget.Toast;
/**
* Replaces SensorManager with possibility to connect to SensorSimulator.
*
* Note: This class does not extend SensorManager directly, because its
* constructor is not public.
*
* @author Peli
* @author Josip Balic
*/
public class SensorManagerSimulator {
private static SensorManagerSimulator instance;
/**
* TAG for logging.
*/
@SuppressWarnings("unused")
private static final String TAG = "SensorManagerSimulator";
/**
* Client that communicates with the SensorSimulator application.
*/
private static SensorSimulatorClient mClient;
private SensorManager mSensorManager = null;
private Context mContext;
public static final int SENSOR_DELAY_FASTEST = 0;
public static final int SENSOR_DELAY_GAME = 1;
public static final int SENSOR_DELAY_NORMAL = 3;
public static final int SENSOR_DELAY_UI = 2;
private static Sensor sensors;
/**
* Constructor.
*
* If the SensorManagerSimulator is not connected, the default SensorManager is used.
* This is obtained through (SensorManager) getSystemService(Context.SENSOR_SERVICE),
* but can be overwritten using setDefaultSensorManager().
*
* @param context Context of the activity.
*/
private SensorManagerSimulator(Context context, SensorManager systemsensormanager) {
mContext = context;
mSensorManager = systemsensormanager;
mClient = new SensorSimulatorClient(mContext, this);
}
/**
* This method is used in our program to make a new sensor manager simulator through
* which we emulate our sensor input.
*
* @param context, Context of the activity
* @param sensorManager, String that is used for checking in if loop
* @return instance, instance of SensorManagerSimulator
*/
public static SensorManagerSimulator getSystemService(Context context, String sensorManager) {
if (instance == null) {
if (sensorManager.equals(Context.SENSOR_SERVICE)) {
if (SensorManagerSimulator.isRealSensorsAvailable()) {
instance = new SensorManagerSimulator(context, (SensorManager)context.getSystemService(sensorManager));
}
else {
instance = new SensorManagerSimulator(context, null);
Toast.makeText(
context, "Android SensorManager disabled, 1.5 SDK emulator crashes when using it... Make sure to connect SensorSimulator", Toast.LENGTH_LONG).show();
}
}
}
return instance;
}
/**
* Set the SensorManager if the SensorManagerSimulator is not connected to the
* SensorSimulator.
*
* By default, it is set to (SensorManager) getSystemService(Context.SENSOR_SERVICE).
*
* @param sensormanager
*/
public void setDefaultSensorManager(SensorManager sensormanager) {
mSensorManager = sensormanager;
}
/**
* Returns the available sensors.
*
* @return available sensors as ArrayList<Integer>
*/
public ArrayList<Integer> getSensors() {
if (mClient.connected) {
return mClient.getSensors();
} else {
if (mSensorManager != null) {
//return mSensorManager.getSensors();
return null;
}
return null;
}
}
/**
* Method that checks for the 1.5 SDK Emulator bug...
*
* @return boolean true or false
*/
private static boolean isRealSensorsAvailable() {
if (Build.VERSION.SDK.equals("3")) {
// We are on 1.5 SDK
if (Build.MODEL.contains("sdk")) {
// We are on Emulator
return false;
}
}
return true;
}
/**
* Registers a listener for given sensors.
*
* @param listener, SensorEventListener object
* @param sensor, Sensor object that represents sensor we want to register
* @param rate, rate of events. This is only a hint to the system. events may be received
* faster or slower than the specified rate. Usually events are received faster
* @return boolean, true or false if registering was successful or not
*/
public boolean registerListener(SensorEventListener listener, Sensor sensor, int rate) {
if (mClient.connected) {
mClient.registerListener(listener, sensor, rate);
return true;
} else {
if (mSensorManager == null) {
return false;
}
return false;
//return mSensorManager.registerListener(listener, sensor, rate);
}
}
/**
* Unregisters a listener for the sensors with which it is registered.
*
* @param listener, a SensorEventListener object
* @param sensors, Sensor object that represent sensor we want to unregister
*/
public void unregisterListener(SensorEventListener listener, Sensor sensor) {
if (mClient.connected) {
mClient.unregisterListener(listener, sensor);
} else {
if (mSensorManager == null) {
//mSensorManager.unregisterListener(listener, sensor);
}
}
}
/**
* Unregisters a listener for the sensors with which it is registered.
*
* @param listener a SensorListener object
*/
public void unregisterListener(SensorEventListener listener) {
if (mClient.connected) {
mClient.unregisterListener(listener);
} else {
if (mSensorManager != null) {
//mSensorManager.unregisterListener(listener);
}
}
}
// Member function extensions:
/**
* Connect to the Sensor Simulator.
* (All the settings should have been set already.)
*/
public void connectSimulator() {
mClient.connect();
};
/**
* Disconnect from the Sensor Simulator.
*/
public void disconnectSimulator() {
mClient.disconnect();
}
/**
* Returns whether the Sensor Simulator is currently connected.
*/
public boolean isConnectedSimulator() {
return mClient.connected;
}
/**
* When we register Sensor we use SensorManager.getDefaultSensor(SENSOR.TYPE).
* This method simulates that command. If it's first time we are registering new
* sensor, new sensor object is created. Otherwise we check if sensor is already
* registered. If it's not, we add it to our Sensor object so that it can be
* registered. If it's already registered, than this method was called in
* unregisterListener method and we add that sensor to our Sensor object to
* be unregistered.
*
* @param type, integer number of sensor to be registered or unregistered.
* @return sensors, Sensor object that is used in our methods.
*/
public Sensor getDefaultSensor (int type){
if(sensors == null) {
sensors = new Sensor(mContext, type);
return sensors;
}else if(sensors.checkList(type)){
sensors.addSensor(type);
return sensors;
}else{
sensors.removeSensor(type);
return sensors;
}
}
}