How to create a splash screen in android application

Photo by Jonathan Kemper on Unsplash

activity_splash.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:background="@color/colorPrimary">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        app:srcCompat="@drawable/splash_screen_background" />

    <ImageView
        android:layout_width="322dp"
        android:layout_height="307dp"
        android:layout_centerInParent="true"
        app:srcCompat="@drawable/logo"
        android:id="@+id/app_logo"/>

    <ProgressBar
        android:id="@+id/progressBar"
        style="?android:attr/progressBarStyle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/img"
        android:progressDrawable="@color/colorPrimary" />

</RelativeLayout>

ActivitySplash.java

package com.splashApplication;

import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;

import java.util.HashMap;

public class ActivitySplash extends AppCompatActivity {

    /** Duration of wait **/
    private final int SPLASH_DISPLAY_LENGTH = 2000;
    
   /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.activity_splash);

        if(!isNetworkAvailable(getApplicationContext())){
            Toast.makeText(getApplicationContext(), "No internet connection is available",Toast.LENGTH_SHORT).show();
        }

        /* New Handler to start the Menu-Activity
         * and close this Splash-Screen after some seconds.*/
        new Handler().postDelayed(new Runnable(){
            @Override
            public void run() {
                    Intent i = new Intent(ActivitySplash.this, ActivityMain.class);
                    ActivitySplash.this.startActivity(i);         
                    }

                }, SPLASH_DISPLAY_LENGTH);
    }

    public boolean isNetworkAvailable(Context ctx) {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
            if (activeNetworkInfo != null) {
                if (activeNetworkInfo.isConnected() || activeNetworkInfo.isConnectedOrConnecting()) {
                    return true;
                } else {
                    return false;
                }
            } else {
                return false;
            }
        } catch (Exception e){
            return false;
        }
    }

}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.splashApplication">

    <application
        android:allowBackup="true"
        android:icon="@drawable/logo"
        android:label="@string/app_name"
        android:roundIcon="@drawable/logo"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity"></activity>
        <activity android:name=".ActivitySplash">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

I hope this tutorial helps you. Happy coding:)