Only inflate view if it doesnt exist

MainActivity.java

if (rootView != null) {
                        ViewGroup parent = (ViewGroup) rootView.getParent();
                        if (parent != null)
                            parent.removeView(rootView);
                    }
                    try {
                        rootView = inflater.inflate(tabLayout, container, false);
                    } catch (InflateException e) {
                        /* view is already there, just return view as it is */
                    }