Toast.makeText não Funciona dentro do onClick

package com.example.ui.activity;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.example.agenda.R;

public class FormularioAlunoActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_formulario_aluno);
        Toast.makeText(FormularioAlunoActivity.this,"texte",Toast.LENGTH_LONG).show();

        final TextView campoNomeAluno = findViewById(R.id.activity_formulario_aluno_nome_aluno);
        final TextView campoNomeTelefone = findViewById(R.id.activity_formulario_aluno_telefone_aluno);
        final TextView campoNomeEmail = findViewById(R.id.activity_formulario_aluno_email_aluno);
        Button botaoSalvar = findViewById(R.id.activity_formulario_aluno_botao_salvar_aluno);

        botaoSalvar.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(FormularioAlunoActivity.this,"teste",Toast.LENGTH_LONG).show();

            }
        });

    }
}