In this video it shows the code to restrict capturing the screenshots or recording the App’s layout using Android’s in-built recording functionality.

Steps to pair your device over wifi is shown in below link:
https://programmerworld.co/android/how-to-wirelessly-connect-over-wifi-physical-phone-in-android-studio-for-debugging-your-apps-code/

I hope you like this video. For any questions, suggestions or appreciation please contact us at: https://programmerworld.co/contact/ or email at: programmerworld1990@gmail.com

Complete source code and other details:

package com.programmerworld.screenshotrestriction;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.WindowManager;

public class MainActivity extends AppCompatActivity {

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

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE,
                WindowManager.LayoutParams.FLAG_SECURE);

    }
}

Alternatively, one can use below code as well:

package com.programmerworld.restrictscreenshot;

import static android.view.WindowManager.LayoutParams.FLAG_SECURE;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

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

        getWindow().setFlags(FLAG_SECURE, FLAG_SECURE);
    }
}