shfaqe textview TOAST

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

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

        final EditText editText4=(EditText)this.findViewById(R.id.editText4);
        Button dergo=(Button)this.findViewById(R.id.button2);
        final TextView textView2=(TextView)this.findViewById(R.id.textView2);
        dergo.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String emri=editText4.getText().toString();
                textView2.setText(emri);
                Toast.makeText(MainActivity.this,"Emri dhe Mbiemri jane derguar",Toast.LENGTH_LONG).show();
            }
        });
    }
}