> For the complete documentation index, see [llms.txt](https://help.twinr.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.twinr.dev/screen-customization.md).

# Screen Customization

- [External URL Handling](https://help.twinr.dev/screen-customization/external-url-handling.md): External URL handling are useful to handle any external URL you are trying to open in the application.
- [Apply Custom CSS](https://help.twinr.dev/screen-customization/apply-custom-css.md): Custom CSS is useful when you want to differentiate the app from your website.
- [Apply Custom JavaScript](https://help.twinr.dev/screen-customization/apply-custom-javascript.md)
- [Hide Elements](https://help.twinr.dev/screen-customization/hide-elements.md): Customize your web page while it is being displayed in your app.
- [Page Refresh](https://help.twinr.dev/screen-customization/page-refresh.md): The Page Refresh feature in Twinr enables your app to automatically refresh all screens when changes occur in specified page refresh identifiers.
- [Login](https://help.twinr.dev/screen-customization/login.md): Setup login requirements for your app.
- [General](https://help.twinr.dev/screen-customization/login/general.md): Login feature is very important when you want your users to login first before accessing the application screens.
- [Login Page](https://help.twinr.dev/screen-customization/login/login-page.md): Setup login pages URLs.
- [Tab bar(Bottom tabs)](https://help.twinr.dev/screen-customization/tab-bar.md): Find all the documents related to tab screen. Tab screens are more usable screens of the app. You can create multiple tab screens and customize it appropriately.
- [Add New Screen](https://help.twinr.dev/screen-customization/tab-bar/add-new-screen.md): Add a new screen to your app. This screen will be added to your application's tab bar.
- [Delete Screen](https://help.twinr.dev/screen-customization/tab-bar/delete-screen.md)
- [Rearrange Screen](https://help.twinr.dev/screen-customization/tab-bar/rearrange-screen.md)
- [General](https://help.twinr.dev/screen-customization/tab-bar/general.md): Set general tab screen information.
- [Navigation Bar](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar.md): Set navigation bar of the tab screen.
- [Navigation Bar Title](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-title.md)
- [Navigation Bar Buttons](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons.md)
- [Back Button](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/back-button.md)
- [Linker Button](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/linker-button.md)
- [Cart Button](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/cart-button.md): This button lets you create a cart with badge natively in top navigation bar.
- [Custom Button](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/custom-button.md): This button is used when you want to perform any action on the click of it.
- [Hamburger Menu](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/hamburger-menu.md)
- [Native Link Sharing](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/native-link-sharing.md)
- [Native Notification Screen Button](https://help.twinr.dev/screen-customization/tab-bar/navigation-bar/navigation-bar-buttons/native-notification-screen-button.md)
- [Tab Screen - External URL Handling](https://help.twinr.dev/screen-customization/tab-bar/tab-screen-external-url-handling.md): Define URL handling policies at tab level.
- [Responsible URL](https://help.twinr.dev/screen-customization/tab-bar/responsible-url.md)
- [Tab Screen - Hide Elements](https://help.twinr.dev/screen-customization/tab-bar/tab-screen-hide-elements.md)
- [Tab Screen - CSS](https://help.twinr.dev/screen-customization/tab-bar/tab-screen-css.md)
- [Tab Screen - Scripts](https://help.twinr.dev/screen-customization/tab-bar/tab-screen-scripts.md)