No verticle boundation for the overlay about flutter_overlay_window HOT 3 OPEN

public TrayAnimationTimerTask() {
            super();

            int left = 0;
            int right = szWindow.x - flutterView.getWidth();
            int top = 0 + mStatusBarHeight;
            int bottom = szWindow.y - mNavigationBarHeight - flutterView.getHeight() / 4;

            int regulateOffsetX = (szWindow.x - flutterView.getWidth()) / 2;
            int regulateOffsetY = szWindow.y / 2;

            // Solve the offset issue with including Gravity.CENTER setting
            if (WindowSetup.gravity == (Gravity.TOP)
                    || WindowSetup.gravity == (Gravity.CENTER)
                    || WindowSetup.gravity == (Gravity.BOTTOM)) {
                left = left - regulateOffsetX;
                right = right - regulateOffsetX;
            }
            if (WindowSetup.gravity == (Gravity.LEFT | Gravity.CENTER)
                    || WindowSetup.gravity == (Gravity.CENTER)
                    || WindowSetup.gravity == (Gravity.RIGHT | Gravity.CENTER)) {
                top = top - regulateOffsetY;
                bottom = bottom - regulateOffsetY;
            }

            // Solve the slight offset issue with including Gravity.BOTTOM setting
            if ((WindowSetup.gravity & Gravity.BOTTOM) == Gravity.BOTTOM) {
                top = top - flutterView.getHeight() / 2;
                bottom = bottom - flutterView.getHeight() / 2;
            }

            switch (WindowSetup.positionGravity) {
                case "auto":
                    mDestX = (params.x + (flutterView.getWidth() / 2)) <= right / 2 ? left : right;
                    break;
                case "left":
                    mDestX = left;
                    break;
                case "right":
                    mDestX = right;
                    break;
                default:
                    mDestX = params.x;
                    mDestY = params.y;
                    break;
            }
            mDestY = lastYPosition;

            // Solve the problem of floating window being able to move out of the viewport
            mDestX = Math.max(left, Math.min(mDestX, right));
            mDestY = Math.max(top, Math.min(mDestY, bottom));
            return;
        }

WindowManager.LayoutParams params = new WindowManager.LayoutParams(
                WindowSetup.width == -1999 ? -1 : WindowSetup.width,
                WindowSetup.height != -1999 ? WindowSetup.height : screenHeight(),
                0,
                -statusBarHeightPx(),
                Build.VERSION.SDK_INT >= Build.VERSION_CODES.O ? WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY : WindowManager.LayoutParams.TYPE_PHONE,
                WindowSetup.flag | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
                        | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                        | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR
                        | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
                PixelFormat.TRANSLUCENT
        );