LinkdeafiliadoActivity.java - Tu estilo v1.1 - Código Java - Android Studio - WebView

package com.estilopropiomx.tienda;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class LinkdeafiliadoActivity extends AppCompatActivity {
    SharedPreferences mipreference;
    String id;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(
                WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN
        );
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_linkdeafiliado);
        EditText miiddeafiliado = findViewById(R.id.iddeafiliado);
        Button guardarid = findViewById(R.id.guardariddeafiliado);


        mipreference = getSharedPreferences("miid", Context.MODE_PRIVATE);
        miiddeafiliado.setText(mipreference.getString("id", ""));
        guardarid.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                id = miiddeafiliado.getText().toString();
                miiddeafiliado.setText(miiddeafiliado.getText());
                String idguardado = getString(R.string.id_de_afiliado);
                SharedPreferences.Editor  myeditor = mipreference.edit();
                myeditor.putString("id", miiddeafiliado.getText().toString());
                myeditor.commit();
                idguardado = id;
                Toast.makeText(getApplicationContext(), "Tu ID a cambiado a: " + idguardado + ". Ahora puedes compartir tu link desde la opción de compartir de nuestro menú", Toast.LENGTH_LONG).show();
                Intent myintent = new Intent(LinkdeafiliadoActivity.this, MainActivity.class);
                myintent.putExtra("id", miiddeafiliado.getText().toString());
                startActivity(myintent);
            }
        });

    }

}