@DroidValidate public class DVExampleActivity extends Activity {

@TextViewConstraint.NotEmpty
  private EditText usernameField;

@TextViewConstraint.NotEmpty
  @TextViewConstraint.Length(minLength = 6, maxLength = 48)
  @TextViewConstraint.Matches(R.id.confirm_password_field)
  private EditText passwordField;

@TextViewConstraint.NotEmpty
  @TextViewConstraint.Length(minLength = 6, maxLength = 48)
  private EditText confirmPasswordField;

@Override
  public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

 usernameField = (EditText)findViewById(R.id.user_name_field);

passwordField = (EditText)findViewById(R.id.password_field);

confirmPasswordField = (EditText)findViewById(R.id.confirm_password_field);

  
}

public void submitButtonPressed(View v) {

 DVProcessor validationProcessor = new DVProcessor();

List<Exception> validationExceptions = validationProcessor.validate(this);

 if (!validationExceptions.isEmpty()) {

 AlertDialog.Builder alertBuilder = validationProcessor.getValidationAlert(this, validationExceptions);

 alertBuilder.show();

}
 else {

 Toast.makeText(this, getString(R.string.validation_passed), Toast.LENGTH_LONG).show();

}

  
}
 
}