AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
    
<!--    Code From Learnoset - Learn Coding Online.-->
<!--    Download Learnoset App from PlayStore to learn coding,projects-->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.learnoset.splashscreen">

    <!-- Add internet permissions -->
    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.SplashScreen">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <meta-data
            android:name="preloaded_fonts"
            android:resource="@array/preloaded_fonts" />
    </application>

</manifest>

MainActivity.java

package com.learnoset.splashscreen;

/* Code From Learnoset - Learn Coding Online.*/
/* Download Learnoset App from PlayStore to learn coding,
 * projects
 */

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;

public class MainActivity extends AppCompatActivity {

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


        String url = "https://learnoset.com";

        // make string request to server
        StringRequest stringRequest = new StringRequest(Request.Method.GET, url,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        // Do something with the response
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        // An error occurred. you can handle errors here...
                    }
                });

        /* add the string request to request queue
        * Volley library will pick this request from queue*/
        MySingleton.getInstance(this).addToRequestQueue(stringRequest);
    }
}

MySingleton.java

package com.learnoset.splashscreen;

/* Code From Learnoset - Learn Coding Online.*/
/* Download Learnoset App from PlayStore to learn coding,
 * projects
 */

import android.content.Context;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.Volley;

public class MySingleton {
    private static MySingleton instance;
    private static Context ctx;
    private RequestQueue requestQueue;

    private MySingleton(Context context) {
        ctx = context;

        // create a new request queue to hold requests into a queue
        requestQueue = getRequestQueue();
    }

    public static synchronized MySingleton getInstance(Context context) {
        if (instance == null) {
            instance = new MySingleton(context);
        }
        return instance;
    }

    public RequestQueue getRequestQueue() {
        if (requestQueue == null) {
            // getApplicationContext() is key, it keeps you from leaking the
            // Activity or BroadcastReceiver if someone passes one in.
            requestQueue = Volley.newRequestQueue(ctx.getApplicationContext());
        }
        return requestQueue;
    }

    public <T> void addToRequestQueue(Request<T> req) {
        getRequestQueue().add(req);
    }
}