code: void putScreen(Context context) {
      Map<String, Object> screen = createMap();
      WindowManager manager = getSystemService(context, Context.WINDOW_SERVICE);
      Display display = manager.getDefaultDisplay();
      DisplayMetrics displayMetrics = new DisplayMetrics();
      display.getMetrics(displayMetrics);
      screen.put(SCREEN_DENSITY_KEY, displayMetrics.density);
      screen.put(SCREEN_HEIGHT_KEY, displayMetrics.heightPixels);
      screen.put(SCREEN_WIDTH_KEY, displayMetrics.widthPixels);
      put(SCREEN_KEY, screen);
    }
docs: Fill this instance with application info from the provided {@link Context}. No need to expose a
  getter for this for bundled integrations (they'll automatically fill what they need
  themselves).