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Cadastrar Usuario

package com.example.marcos.unasphtquizz; import android.content.DialogInterface; import android.content.Intent; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.EditText; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.Toast; public class CadastrarUsuario extends AppCompatActivity { private DBUsuario DBUsuario; private EditText editTextCDLogin; private EditText editTextCDSenha; private EditText editTextCDNome; private RadioButton aluno; private RadioButton professor; private EditText PIN; private RadioGroup grupo; public void exibirTexto(String titulo, String txt){ AlertDialog alertDialog = new AlertDialog.Builder(CadastrarUsuario.this).create(); alertDialog.setTitle(titulo); alertDialog.setMessage(txt); alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); alertDialog.show(); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_cadastrarusuario); this.editTextCDNome = (EditText) findViewById(R.id.editTextPergunta); this.editTextCDLogin = (EditText) findViewById(R.id.editTextOpt1); this.editTextCDSenha = (EditText) findViewById(R.id.editTextOpt1); aluno = (RadioButton) findViewById(R.id.radioButtonAluno); professor = (RadioButton) findViewById(R.id.radioButtonProf); grupo = (RadioGroup) findViewById(R.id.radioGroup); PIN = (EditText) findViewById(R.id.editTextPIN); PIN.setEnabled(false); grupo.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { if(checkedId==R.id.radioButtonAluno) { PIN.setEnabled(false); DBUsuario = new Aluno(); } if(checkedId==R.id.radioButtonProf) { PIN.setEnabled(true); DBUsuario = new Professor(); } } }); Intent intent = getIntent(); if (intent != null){ Bundle bundle = intent.getExtras(); if (bundle != null){ this.editTextCDNome.setText(bundle.getString("nome")); this.editTextCDLogin.setText(bundle.getString("login")); this.editTextCDSenha.setText(bundle.getString("senha")); } } } public void salvar(View view) { try { this.DBUsuario.setNome(this.editTextCDNome.getText().toString()); this.DBUsuario.setLogin(this.editTextCDLogin.getText().toString()); this.DBUsuario.setSenha(this.editTextCDSenha.getText().toString()); this.DBUsuario.salvar(PIN.getText().toString()); Toast.makeText(this, this.DBUsuario.get_mensagem(), Toast.LENGTH_LONG).show(); if (DBUsuario.is_status()) finish(); } catch (Exception e){ exibirTexto("Erro", e.getMessage()); } } public void cdCancelar(View view) { finish(); } }

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