add support for light sensor

- can detect flash lights in the room!
guardianproject · Aug 9, 2017 · 01ccae0 · 01ccae0
1 parent 3133763
commit 01ccae0
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Showing 7 changed files with 187 additions and 22 deletions.
diff --git a/src/main/java/info/guardianproject/phoneypot/model/EventTrigger.java b/src/main/java/info/guardianproject/phoneypot/model/EventTrigger.java
@@ -36,6 +36,10 @@ public class EventTrigger extends SugarRecord {
      */
     public static final int PRESSURE = 2;
 
+    /**
+     * Pressure change detected message
+     */
+    public static final int LIGHT = 3;
 
     public EventTrigger ()
     {
@@ -78,6 +82,9 @@ public String getStringType ()
             case EventTrigger.ACCELEROMETER:
                 sType = "ACCELEROMETER";
                 break;
+            case EventTrigger.LIGHT:
+                sType = "LIGHT";
+                break;
             case EventTrigger.CAMERA:
                 sType = "CAMERA MOTION";
                 break;
@@ -97,9 +104,6 @@ public String getMimeType ()
         String sType = "";
 
         switch (getType()) {
-            case EventTrigger.ACCELEROMETER:
-                sType = null;
-                break;
             case EventTrigger.CAMERA:
                 sType = "image/*";
                 break;

diff --git a/src/main/java/info/guardianproject/phoneypot/sensors/AmbientLightMonitor.java b/src/main/java/info/guardianproject/phoneypot/sensors/AmbientLightMonitor.java
@@ -0,0 +1,161 @@
+package info.guardianproject.phoneypot.sensors;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.util.Log;
+
+import info.guardianproject.phoneypot.PreferenceManager;
+import info.guardianproject.phoneypot.model.EventTrigger;
+import info.guardianproject.phoneypot.service.MonitorService;
+
+/**
+ * Created by n8fr8 on 3/10/17.
+ */
+public class AmbientLightMonitor implements SensorEventListener {
+
+    // For shake motion detection.
+    private SensorManager sensorMgr;
+
+    /**
+     * Accelerometer sensor
+     */
+    private Sensor sensor;
+
+    /**
+     * Last update of the accelerometer
+     */
+    private long lastUpdate = -1;
+
+    /**
+     * Current accelerometer values
+     */
+    private float current_values[];
+
+    /**
+     * Last accelerometer values
+     */
+    private float last_values[];
+
+    /**
+     * Data field used to retrieve application prefences
+     */
+    private PreferenceManager prefs;
+
+    private final static float LIGHT_CHANGE_THRESHOLD = 10f;
+
+    private int maxAlertPeriod = 30;
+    private int remainingAlertPeriod = 0;
+    private boolean alert = false;
+    private final static int CHECK_INTERVAL = 1000;
+
+    public AmbientLightMonitor(Context context) {
+        prefs = new PreferenceManager(context);
+
+        context.bindService(new Intent(context,
+                MonitorService.class), mConnection, Context.BIND_ABOVE_CLIENT);
+
+        sensorMgr = (SensorManager) context.getSystemService(Activity.SENSOR_SERVICE);
+        sensor = (Sensor) sensorMgr.getDefaultSensor(Sensor.TYPE_LIGHT);
+
+        if (sensor == null) {
+            Log.i("AccelerometerFrament", "Warning: no accelerometer");
+        } else {
+            sensorMgr.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL);
+        }
+
+    }
+
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+        // Safe not to implement
+
+    }
+
+    public void onSensorChanged(SensorEvent event) {
+        long curTime = System.currentTimeMillis();
+        // only allow one update every 100ms.
+        if (event.sensor.getType() == Sensor.TYPE_LIGHT) {
+            if ((curTime - lastUpdate) > CHECK_INTERVAL) {
+                long diffTime = (curTime - lastUpdate);
+                lastUpdate = curTime;
+
+                current_values = event.values.clone();
+
+                if (alert && remainingAlertPeriod > 0) {
+                    remainingAlertPeriod = remainingAlertPeriod - 1;
+                } else {
+                    alert = false;
+                }
+
+                if (last_values != null) {
+
+                    boolean isChanged = false;
+
+                    float lightChangedValue = Math.abs(last_values[0]-current_values[0]);
+
+                    Log.d("LightSensor","Light changed: " + lightChangedValue);
+
+                    //see if light value changed more than 10 values
+                    isChanged = lightChangedValue >LIGHT_CHANGE_THRESHOLD;
+
+
+                    if (isChanged) {
+						/*
+						 * Send Alert
+						 */
+
+                        alert = true;
+                        remainingAlertPeriod = maxAlertPeriod;
+
+                        Message message = new Message();
+                        message.what = EventTrigger.LIGHT;
+                        message.getData().putString("path",lightChangedValue+"");
+
+                        try {
+                            if (serviceMessenger != null) {
+                                serviceMessenger.send(message);
+                            }
+                        } catch (RemoteException e) {
+                            // TODO Auto-generated catch block
+                            e.printStackTrace();
+                        }
+                    }
+                }
+                last_values = current_values.clone();
+            }
+        }
+    }
+
+    public void stop(Context context) {
+        sensorMgr.unregisterListener(this);
+        context.unbindService(mConnection);
+    }
+
+    private Messenger serviceMessenger = null;
+
+    private ServiceConnection mConnection = new ServiceConnection() {
+
+        public void onServiceConnected(ComponentName className,
+                                       IBinder service) {
+            Log.i("AccelerometerFragment", "SERVICE CONNECTED");
+            // We've bound to LocalService, cast the IBinder and get LocalService instance
+            serviceMessenger = new Messenger(service);
+        }
+
+        public void onServiceDisconnected(ComponentName arg0) {
+            Log.i("AccelerometerFragment", "SERVICE DISCONNECTED");
+            serviceMessenger = null;
+        }
+    };
+
+}
diff --git a/src/main/java/info/guardianproject/phoneypot/service/MonitorService.java b/src/main/java/info/guardianproject/phoneypot/service/MonitorService.java
@@ -33,6 +33,7 @@
 import info.guardianproject.phoneypot.model.Event;
 import info.guardianproject.phoneypot.model.EventTrigger;
 import info.guardianproject.phoneypot.sensors.AccelerometerMonitor;
+import info.guardianproject.phoneypot.sensors.AmbientLightMonitor;
 import info.guardianproject.phoneypot.sensors.BarometerMonitor;
 import info.guardianproject.phoneypot.sensors.MicrophoneMonitor;
 
@@ -66,6 +67,7 @@ public class MonitorService extends Service {
     AccelerometerMonitor mAccelManager = null;
     MicrophoneMonitor mMicMonitor = null;
     BarometerMonitor mBaroMonitor = null;
+    AmbientLightMonitor mLightMonitor = null;
 
     /**
      * Last Event instances
@@ -188,6 +190,7 @@ private void startSensors ()
         if (prefs.getAccelerometerSensitivity() != PreferenceManager.OFF) {
             mAccelManager = new AccelerometerMonitor(this);
             mBaroMonitor = new BarometerMonitor(this);
+            mLightMonitor = new AmbientLightMonitor(this);
         }
 
         if (prefs.getMicrophoneSensitivity() != PreferenceManager.OFF)
@@ -201,6 +204,7 @@ private void stopSensors ()
         if (prefs.getAccelerometerSensitivity() != PreferenceManager.OFF) {
             mAccelManager.stop(this);
             mBaroMonitor.stop(this);
+            mLightMonitor.stop(this);
         }
 
         if (prefs.getMicrophoneSensitivity() != PreferenceManager.OFF)

diff --git a/src/main/java/info/guardianproject/phoneypot/service/WebServer.java b/src/main/java/info/guardianproject/phoneypot/service/WebServer.java
@@ -147,9 +147,6 @@ private String getMimeType (EventTrigger eventTrigger)
         String sType = "";
 
         switch (eventTrigger.getType()) {
-            case EventTrigger.ACCELEROMETER:
-                sType = null;
-                break;
             case EventTrigger.CAMERA:
                 sType = "image/jpeg";
                 break;

diff --git a/src/main/java/info/guardianproject/phoneypot/ui/EventActivity.java b/src/main/java/info/guardianproject/phoneypot/ui/EventActivity.java
@@ -163,21 +163,7 @@ private String generateLog () {
 
             mEventLog.append("Event Triggered @ " + eventTrigger.getTriggerTime().toLocaleString()).append("\n");
 
-            String sType = "";
-
-            switch (eventTrigger.getType()) {
-                case EventTrigger.ACCELEROMETER:
-                    sType = "ACCELEROMETER";
-                    break;
-                case EventTrigger.CAMERA:
-                    sType = "CAMERA MOTION";
-                    break;
-                case EventTrigger.MICROPHONE:
-                    sType = "SOUND";
-                    break;
-                default:
-                    sType = "UNKNOWN";
-            }
+            String sType = eventTrigger.getStringType();
 
             mEventLog.append("Event Type: " + sType);
             mEventLog.append("\n==========================\n");

diff --git a/src/main/java/info/guardianproject/phoneypot/ui/EventTriggerAdapter.java b/src/main/java/info/guardianproject/phoneypot/ui/EventTriggerAdapter.java
@@ -108,11 +108,17 @@ else if (eventTrigger.getType() == EventTrigger.MICROPHONE)
                 audioWife.init(context, Uri.fromFile(new File(eventTrigger.getPath())))
                         .useDefaultUi(holder.extra, inflater);
 
+
             }
             else if (eventTrigger.getType() == EventTrigger.ACCELEROMETER)
             {
                 desc += "\nSPEED: " + eventTrigger.getPath();
 
+            }
+            else if (eventTrigger.getType() == EventTrigger.LIGHT)
+            {
+                desc += "\nLIGHT: " + eventTrigger.getPath();
+
             }
             else if (eventTrigger.getType() == EventTrigger.PRESSURE)
             {
@@ -127,6 +133,13 @@ else if (eventTrigger.getType() == EventTrigger.PRESSURE)
 
     }
 
+    @Override
+    public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
+        super.onDetachedFromRecyclerView(recyclerView);
+
+        AudioWife.getInstance().release();
+    }
+
     private void shareMedia (EventTrigger eventTrigger)
     {
 

diff --git a/src/main/res/layout/activity_event.xml b/src/main/res/layout/activity_event.xml
@@ -46,6 +46,6 @@
         android:layout_margin="@dimen/fab_margin"
         app:layout_anchor="@id/app_bar"
         app:layout_anchorGravity="bottom|end"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
+        app:srcCompat="@android:drawable/ic_menu_share" />
 
 </android.support.design.widget.CoordinatorLayout>