How to use BottomNavigationView in android

In this blog, we have learned how to add the bottom menu using BottomNavigationView.

Bottom navigation bars make it easy for users to explore and switch between top-level views in a single tap. It should be used when the application has three to five top-level destinations.

How to implement

Step 1: Add the below layout,

<android.support.design.widget.BottomNavigationView android:id="@+id/bottomNavigation" android:layout_width="match_parent" android:layout_height="wrap_content" design:menu="@menu/navigation_items" />

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<android.support.design.widget.BottomNavigationView        android:id="@+id/bottomNavigation"        android:layout_width="match_parent"        android:layout_height="wrap_content"        design:menu="@menu/navigation_items" />

Step 2: Make the navigation_items.xml in menu directory

<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"> <item android:id="@+id/action_home" android:enabled="true" android:icon="@drawable/home" android:title="Home" app:showAsAction="ifRoom" /> <item android:id="@+id/action_navigation" android:enabled="true" android:title="Menu" android:icon="@drawable/menu" app:showAsAction="ifRoom" /> <item android:id="@+id/action_camera" android:enabled="true" android:title="Camera" android:icon="@drawable/camera" app:showAsAction="ifRoom" /> <item android:id="@+id/action_cart" android:enabled="true" android:title="Cart" android:icon="@drawable/cart" app:showAsAction="ifRoom" /> <item android:id="@+id/action_profile" android:enabled="true" android:title="Profile" android:icon="@drawable/user" app:showAsAction="ifRoom" /> </menu>

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<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto">     <item         android:id="@+id/action_home"         android:enabled="true"         android:icon="@drawable/home"         android:title="Home"         app:showAsAction="ifRoom" />     <item         android:id="@+id/action_navigation"         android:enabled="true"         android:title="Menu"         android:icon="@drawable/menu"         app:showAsAction="ifRoom" />     <item         android:id="@+id/action_camera"         android:enabled="true"         android:title="Camera"         android:icon="@drawable/camera"         app:showAsAction="ifRoom" />     <item         android:id="@+id/action_cart"         android:enabled="true"         android:title="Cart"         android:icon="@drawable/cart"         app:showAsAction="ifRoom" />     <item         android:id="@+id/action_profile"         android:enabled="true"         android:title="Profile"         android:icon="@drawable/user"         app:showAsAction="ifRoom" /> </menu>

 

Step 3: Add navigation Listener,

bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(@NonNull MenuItem item) { switch (item.getItemId()) { case R.id.action_home: break; case R.id.action_navigation: mDrawerLayout.openDrawer(GravityCompat.START); break; case R.id.action_camera: onCLickOpenCamera(); break; case R.id.action_cart: Intent menuIntent = new Intent(MainActivity.this, Cart.class); startActivity(menuIntent); break; case R.id.action_profile: Intent intent = new Intent(MainActivity.this, DashboardActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(intent); break; } return false; } });

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bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {                 @Override                 public boolean onNavigationItemSelected(@NonNull MenuItem item) {                       switch (item.getItemId()) {                         case R.id.action_home:                             break;                         case R.id.action_navigation:                             mDrawerLayout.openDrawer(GravityCompat.START);                             break;                         case R.id.action_camera:                             onCLickOpenCamera();                             break;                         case R.id.action_cart:                             Intent menuIntent = new Intent(MainActivity.this, Cart.class);                             startActivity(menuIntent);                             break;                         case R.id.action_profile:                             Intent intent = new Intent(MainActivity.this, DashboardActivity.class);                             intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);                             startActivity(intent);                             break;                     }                     return false;                 }             });

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