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Android Development Masterclass

Bottom Navigation Bars

Explore how to create bottom navigation bars in Android applications using the material design library. Learn to define menus, set up layouts, respond to tab selections with fragments, and add badges for notifications. This lesson guides you to efficiently implement and customize navigation for better user experience.

We'll cover the following...

Introduction

Bottom navigation bars enable switching between views with a single tap and should be used in applications with multiple top-level destinations. The recommended number of destinations for bottom navigation bars is between three and five. We’ll be using Android’s material design library by Google to add a bottom navigation bar.

Let’s jump right in and learn how to create and use a bottom navigation bar in an Android application.

Add the library dependency

To start off, make sure the material design library dependency is added in our app/build.gradle file.

implementation 'com.google.android.material:material:1.4.0'

Note: In a local development environment, a gradle sync should be performed after adding the dependency so that the source for the library is downloaded. ...