begin work on a background camera using overlay from the service

src/main/java/org/havenapp/main/sensors/motion/MotionDetector.java

@@ -157,6 +157,10 @@ public void detect() {
 
                 });
 			}
+			else
+            {
+
+            }
 
 		}
 

src/main/java/org/havenapp/main/service/BackgroundCamera.java

@@ -0,0 +1,43 @@
+package org.havenapp.main.service;
+
+import android.content.Context;
+import android.graphics.PixelFormat;
+import android.view.Gravity;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.WindowManager;
+
+public class BackgroundCamera {
+
+    private void startCamera (Context context)
+    {
+
+        // Create new SurfaceView, set its size to 1x1, move it to the top left corner and set this service as a callback
+        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+        SurfaceView surfaceView = new SurfaceView(context);
+        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(
+                1, 1,
+                WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
+                WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH,
+                PixelFormat.TRANSLUCENT
+        );
+        layoutParams.gravity = Gravity.LEFT | Gravity.TOP;
+        windowManager.addView(surfaceView, layoutParams);
+        surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
+            @Override
+            public void surfaceCreated(SurfaceHolder surfaceHolder) {
+
+            }
+
+            @Override
+            public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
+
+            }
+        });
+    }
+}