inferior de la pantalla. Es un patrón de diseño de navegación bastante familiar, utilizado por muchos productos con una larga historia de éxito, como Facebook, Twitter e Instagram. Los “tabs” de iOS consisten –típicamente– de un icono con texto. Patrones comunes: • Tab de Inicio (contenido principal/home) • Tab de Búsqueda (si hay contenido buscable) • Tab de Composición / Creación • Tab de Notiﬁcaciones • Tab de Perﬁl/Usuario
came to the platform as iOS design evolved but are still an important part of navigation in a lot of applications. *Since Apple does not provide an API to implement Navigation Drawers, developers typically use third party libraries.
Bar. The Navigation Bar’s main purpose is to allow the user to navigation through a series of hierarchical app screens via usage of the back button. Navigation Bars typically include: • The title of the section the user is currently on • A back button on the left if there’s a screen to navigate back to • A content control element on the right if applicable (like Search)
Android’s Toolbar is more standardized than iOS and typically includes: Navigation Bars typically include: • The title of the section the user is currently on • An Up button on the left if there’s a screen to navigate back to • A Navigation Drawer button if there is no Up button • Menu buttons and overﬂow menu with more options The menu buttons and overﬂow menu can be used as an both alternative and a supplement to a Side Navigation Drawer. An overﬂow menu can potentially remove the need for a Side Navigation Drawer depending on how many different views your app needs to contain. Alternatively, you can let each section from your Side Navigation Drawer have it’s own overﬂow menu with further options that your user can interact with.
documentation distinguishes between The Up Button and the Back Button. The back button is part of the Navigation Bar and “navigates in reverse chronological order through the history of recently viewed screens”. While the Up button won’t take users out of your app, the Back button can take the user from the current app to the one they were previously using.