@Override
public void onValidationFailed(List<ValidationError> errors) {
    final SweetAlertDialog errorDialog = new SweetAlertDialog(this, SweetAlertDialog.ERROR_TYPE);
    for (ValidationError error : errors) {
        View view = error.getView();
        String message = error.getCollatedErrorMessage(this);

        if (view instanceof EditText) {
            ((EditText) view).setError(message);
        } else {
            errorDialog.setTitleText("Oops...");
            errorDialog.setContentText(message);
            errorDialog.show();
            return;
        }
    }
}
 

private Validator initValidator() {
    Validator validator = new Validator(this);
    validator.setValidationListener(new Validator.ValidationListener() {
        @Override
        public void onValidationSucceeded() {
            view.hideKeyboard();
            user.setFirstName(binding.etFirstName.getText().toString());
            user.setLastName(binding.etLastName.getText().toString());
            user.setAge(Integer.valueOf(binding.etAge.getText().toString()));
            presenter.updateUser(user);
        }

        @Override
        public void onValidationFailed(List<ValidationError> errors) {
            for (ValidationError error : errors) {
                View view1 = error.getView();
                String message = error.getCollatedErrorMessage(EditProfileActivity.this);

                if (view1 instanceof EditText) {
                    ((EditText) view1).setError(message);
                } else {
                    EditProfileActivity.this.view.showMessage(message);
                }
            }
        }
    });
    return validator;
}
 

@Override
public void onValidationFailed(List<ValidationError> errors) {
    for (ValidationError error : errors) {
        View view = error.getView();
        String message = error.getCollatedErrorMessage(this);

        // Display error messages ;)
        if (view instanceof TextInputEditText) {
            ((TextInputLayout) view.getParent()).setError(message);
            view.requestFocus();
        } else {
            Toast.makeText(this, message, Toast.LENGTH_LONG).show();
        }
    }
}
 

@Override
public void onValidationFailed(List<ValidationError> errors) {
    for (ValidationError error : errors) {
        View view = error.getView();
        String message = error.getCollatedErrorMessage(this);

        if (view instanceof EditText) {
            ((EditText) view).setError(message);
        } else {
            Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
        }
    }
}