// retrieve the position of the DecorView
Rect visibleFrame = new Rect();
getWindow().getDecorView().getWindowVisibleDisplayFrame(visibleFrame);

DisplayMetrics dm = getResources().getDisplayMetrics();
// check if the DecorView takes the whole screen vertically or horizontally
boolean isRightOfContent = dm.heightPixels == visibleFrame.bottom;
boolean isBelowContent   = dm.widthPixels  == visibleFrame.right;

public static boolean hasNavBar (Resources resources)
{
    int id = resources.getIdentifier("config_showNavigationBar", "bool", "android");
    if (id > 0)
        return resources.getBoolean(id);
    else
        return false;
}

public static int getNavigationBarHeight (Resources resources)
{
    if (!Utils.hasNavBar(resources))
        return 0;

    int orientation = resources.getConfiguration().orientation;

    //Only phone between 0-599 has navigationbar can move
    boolean isSmartphone = resources.getConfiguration().smallestScreenWidthDp < 600;
    if (isSmartphone && Configuration.ORIENTATION_LANDSCAPE == orientation)
        return 0;

    int id = resources
        .getIdentifier(orientation == Configuration.ORIENTATION_PORTRAIT ? "navigation_bar_height" : "navigation_bar_height_landscape", "dimen", "android");
    if (id > 0)
        return resources.getDimensionPixelSize(id);

    return 0;
}

public static int getNavigationBarWidth (Resources resources)
{
    if (!Utils.hasNavBar(resources))
        return 0;

    int orientation = resources.getConfiguration().orientation;

    //Only phone between 0-599 has navigationbar can move
    boolean isSmartphone = resources.getConfiguration().smallestScreenWidthDp < 600;

    if (orientation == Configuration.ORIENTATION_LANDSCAPE && isSmartphone)
    {
        int id = resources.getIdentifier("navigation_bar_width", "dimen", "android");
        if (id > 0)
            return resources.getDimensionPixelSize(id);
    }

    return 0;
}

public static boolean isSystemBarOnBottom(Context ctxt) {
    Resources res=ctxt.getResources();
    Configuration cfg=res.getConfiguration();
    DisplayMetrics dm=res.getDisplayMetrics();
    boolean canMove=(dm.widthPixels != dm.heightPixels &&
        cfg.smallestScreenWidthDp < 600);

    return(!canMove || dm.widthPixels < dm.heightPixels);
  }

ViewConfiguration.get(ctxt).hasPermanentMenuKey()

public static boolean hasNavBar(Context context) {
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Point realPoint = new Point();
        Display display = wm.getDefaultDisplay();
        display.getRealSize(realPoint);
        DisplayMetrics metrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(metrics);
        return metrics.heightPixels + metrics.widthPixels != realPoint.y + realPoint.x;
    }

    public static boolean isSystemBarOnBottom(Context context) {
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Point realPoint = new Point();
        Display display = wm.getDefaultDisplay();
        display.getRealSize(realPoint);
        DisplayMetrics metrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(metrics);
        Configuration cfg = context.getResources().getConfiguration();
        boolean canMove = (metrics.widthPixels != metrics.heightPixels &&
                cfg.smallestScreenWidthDp < 600);

        return (!canMove || metrics.widthPixels < metrics.heightPixels);
    }

boolean navBarOnTheBottom(){
        DisplayMetrics displaymetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
        int viewHeight = displaymetrics.heightPixels;
        if (bkg.getHeight() == viewHeight)
        {
            Log.d(TAG, "nav bar on the side");
            return false;
        }
        else{
            Log.d(TAG, "nav bar on the bottom");
            return true;
        }
    }

@Override
    public void onWindowFocusChanged (boolean hasFocus) {
        // the height will be set at this point
        bkgHeight = bkg.getHeight();
    }

boolean leftSideNavigationBar = Build.VERSION.SDK_INT > Build.VERSION_CODES.N
                             && ((WindowManager) getSystemService(Context.WINDOW_SERVICE))
                                    .getDefaultDisplay().rotation == Surface.ROTATION_270