How to change Bottom Navigation View selected item color in Android

In this android programming source code example, we are going to change bottom navigation view selected item color in android.

You can copy and adopt this source code example to your android project without reinventing the wheel.

Below is a step by step source code to change bottom navigation view selected item color in android.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="Bottom Navigation"
        android:gravity="center" />

    <View
        android:layout_width="match_parent"
        android:layout_height="3dp"
        android:layout_above="@id/bottom_nav"
        android:background="@drawable/shadow"/>

    <android.support.design.widget.BottomNavigationView
        android:id="@+id/bottom_nav"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_gravity="bottom"
        android:background="@android:color/white"
        app:itemBackground="@android:color/white"
        app:itemTextColor="@drawable/selector_bottombar_text"
        app:elevation="8dp"
        app:menu="@menu/bottombar_menu" />

</RelativeLayout>

res/drawable/selector_bottombar_text.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="#FF0000" android:state_checked="true"/>
    <item android:color="#434343" android:state_checked="false"/>
</selector>

MainActivity.java

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;


public class NavigationViewActivity18 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_navigation_view18);
    }
}

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