Esta dando NullPointerException: Attempt to invoke interface method 'java.util.List com.paris.listaalunos.database.dao.TelephoneDAO.searchAllPhones(int)' on a null object reference.
Debuguei e vi que o método searchAllPhones esta retornando null. Não consegui achar o problema no código.
private void loadStudent() {
Intent date = getIntent();
if (date.hasExtra(KEY_STUDENT)) {
setTitle(TITLE_APPBAR_EDIT_STUDENT);
student = (Student) date.getSerializableExtra(KEY_STUDENT);
fillField();
} else {
setTitle(TITLE_APPBAR_NEW_STUDENT);
student = new Student();
}
}
private void fillField() {
fieldName.setText(student.getName());
fieldEmail.setText(student.getEmail());
studentPhones = telephoneDAO.searchAllPhones(student.getId());
for (Telephone telephone :
studentPhones) {
if (telephone.getType() == TelephoneType.TELEPHONE) {
fieldTelephone.setText(telephone.getNumber());
} else {
fieldCellPhone.setText(telephone.getNumber());
}
}
}
private void fillForm() {
String name = fieldName.getText().toString();
String telephone = fieldTelephone.getText().toString();
String cellPhone = fieldCellPhone.getText().toString();
String email = fieldEmail.getText().toString();
student.setName(name);
// student.setTelephone(telephone);
// student.setCellPhone(cellPhone);
student.setEmail(email);
}
private void endForm() {
fillForm();
if (student.validId()) {
studentDao.editStudent(student);
String numberFixed = fieldTelephone.getText().toString();
Telephone telephoneFixed = new Telephone(numberFixed, TelephoneType.TELEPHONE, student.getId());
String numberCellphone = fieldCellPhone.getText().toString();
Telephone cellphone = new Telephone(numberCellphone, TelephoneType.CELLPHONE, student.getId());
for (Telephone telephone :
studentPhones) {
if (telephone.getType() == TelephoneType.TELEPHONE) {
telephoneFixed.setId(telephone.getId());
} else {
cellphone.setId(telephone.getId());
}
}
telephoneDAO.update(telephoneFixed, cellphone);
Toast.makeText(this, "Aluno Alterado com sucesso!", Toast.LENGTH_SHORT).show();
} else {
int studentId = studentDao.saveStudent(student).intValue();
String numberFixed = fieldTelephone.getText().toString();
Telephone telephoneFixed = new Telephone(numberFixed, TelephoneType.TELEPHONE, studentId);
String numberCellphone = fieldCellPhone.getText().toString();
Telephone cellphone = new Telephone(numberCellphone, TelephoneType.CELLPHONE, studentId);
telephoneDAO.saveTelephone(telephoneFixed, cellphone);
Toast.makeText(this, "Aluno salvo com sucesso", Toast.LENGTH_SHORT).show();
}
finish();
}
@Dao public interface TelephoneDAO {
@Query("SELECT t.* FROM Telephone t " +
"WHERE t.studentId = :studentId LIMIT 1")
Telephone searchFirstTelephone(int studentId);
@Insert
void saveTelephone(Telephone... telephones);
@Query("SELECT * FROM Telephone " +
"WHERE studentId = :studentId")
List<Telephone> searchAllPhones(int studentId);
@Insert(onConflict = OnConflictStrategy.REPLACE)
void update(Telephone... telephones);} segue o projeto no git: https://github.com/renanparis/Lista_Alunos_Alura.git
