Version:

Install ​

Maven ​

xml
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>vaadin-text-field-flow</artifactId>
</dependency>

Import ​

java
import com.vaadin.flow.component.textfield.NumberField;

Variants ​

Default ​

java
NumberField numberField = new NumberField();
numberField.setLabel("Anzahl");
numberField.setValue(1.0);
numberField.setHelperText("Geben Sie einen Zahlenwert ein");
numberField.setStepButtonsVisible(true);

Required ​

java
NumberField numberField = new NumberField();
numberField.setLabel("Pflichtfeld");
numberField.setValue(1.0);
numberField.setRequired(true);
numberField.setStepButtonsVisible(true);

Disabled ​

java
NumberField numberField = new NumberField();
numberField.setLabel("Inaktiv");
numberField.setValue(1.0);
numberField.setEnabled(false);
numberField.setStepButtonsVisible(true);

Read Only ​

java
NumberField numberField = new NumberField();
numberField.setLabel("Nur lesen");
numberField.setValue(1.0);
numberField.setReadOnly(true);

Invalid ​

java
NumberField numberField = new NumberField();
numberField.setLabel("Ungültig");
numberField.setValue(1.0);
numberField.setManualValidation(true);
numberField.setInvalid(true);
numberField.setErrorMessage("Bitte einen gültigen Zahlenwert eingeben.");