bottomnavigation toolbar in android using Android Support Library 25.0.0

compile 'com.android.support:design:25.0.0'

step 1

create an xml file under menu folder for the bottom navigation.

 bottommenu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/action_hotnews"
        android:enabled="true"
        android:icon="@drawable/ic_whatshot_white_24px"
        android:title="@string/home"
        app:showAsAction="ifRoom" />

    <item
        android:id="@+id/action_movies"
        android:enabled="true"
        android:icon="@drawable/ic_movie_white_24px"
        android:title="@string/projects"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/action_music"
        android:enabled="true"
        android:icon="@drawable/ic_music_note_white_24px"
        android:title="@string/amenities"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/action_games"
        android:enabled="true"
        android:icon="@drawable/ic_games_white_24px"
        android:title="@string/contactus"
        app:showAsAction="ifRoom" />


    <item
        android:id="@+id/action_more"
        android:enabled="true"
        android:icon="@drawable/ic_more_white_24px"
        android:title="rateus"
        app:showAsAction="ifRoom" />


</menu> 

step2 

main.xml

<FrameLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        
    </FrameLayout>


    <android.support.design.widget.BottomNavigationView
        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:itemBackground="@color/colorPrimary"
        app:itemIconTint="@drawable/color_selector"
        app:itemTextColor="@drawable/color_selector"

        app:menu="@menu/bottom_bar_menu" /> 

step3

Create mainactivity.java 

Mainactivity.java

public class MainActivity extends AppCompatActivity {

    private BottomNavigationView bottomNavigationView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        bottomNavigationView = (BottomNavigationView)
                findViewById(R.id.bottom_navigation);

        bottomNavigationView.setOnNavigationItemSelectedListener(
                new BottomNavigationView.OnNavigationItemSelectedListener() {
                    @Override
                    public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                        switch (item.getItemId()) {

                            case R.id.action_hotnews:
                                Utils.showToast(MainActivity.this, "Home");
                                break;
                            case R.id.action_movies:
                                Utils.showToast(MainActivity.this, "Projects");
                                break;
                            case R.id.action_music:
                                Utils.showToast(MainActivity.this, "Amenities");
                                break;
                            case R.id.action_games:
                                Utils.showToast(MainActivity.this, "Contactus");
                                break;
                            case R.id.action_more:
                                Utils.showToast(MainActivity.this, "Rateus");
                                break;

                        }
                        return false;
                    }
                });

    }