Class Toggle

A standard toggle that has an on / off state.

Inheritance
Object
Object
Component
Behaviour
MonoBehaviour
UIBehaviour
Selectable
Toggle
Inherited Members
UnityEngine.Component.GetComponentInParent<T>(System.Boolean)
UnityEngine.Object.FindObjectsByType<T>(UnityEngine.FindObjectsSortMode)
UnityEngine.Object.FindObjectsOfType<T>(System.Boolean)
UnityEngine.Object.FindObjectsByType<T>(UnityEngine.FindObjectsInactive, UnityEngine.FindObjectsSortMode)
UnityEngine.Object.FindObjectOfType<T>(System.Boolean)
UnityEngine.Object.FindFirstObjectByType<T>()
UnityEngine.Object.FindAnyObjectByType<T>()
UnityEngine.Object.FindFirstObjectByType<T>(UnityEngine.FindObjectsInactive)
UnityEngine.Object.FindAnyObjectByType<T>(UnityEngine.FindObjectsInactive)
Namespace: UnityEngine.UI
Syntax
[AddComponentMenu("UI/Toggle", 30)]
[RequireComponent(typeof(RectTransform))]
public class Toggle : Selectable, IMoveHandler, IPointerDownHandler, IPointerUpHandler, IPointerEnterHandler, IPointerExitHandler, ISelectHandler, IDeselectHandler, IPointerClickHandler, ISubmitHandler, IEventSystemHandler, ICanvasElement
Remarks

The toggle component is a Selectable that controls a child graphic which displays the on / off state. When a toggle event occurs a callback is sent to any registered listeners of UI.Toggle._onValueChanged.

Constructors

Toggle()

Declaration
protected Toggle()

Fields

graphic

Graphic the toggle should be working with.

Declaration
public Graphic graphic
Field Value
Type Description
Graphic

onValueChanged

Allow for delegate-based subscriptions for faster events than 'eventReceiver', and allowing for multiple receivers.

Declaration
public Toggle.ToggleEvent onValueChanged
Field Value
Type Description
Toggle.ToggleEvent
Examples
//Attach this script to a Toggle GameObject. To do this, go to Create>UI>Toggle.
//Set your own Text in the Inspector window

using UnityEngine;
using UnityEngine.UI;

public class Example : MonoBehaviour
{
    Toggle m_Toggle;
    public Text m_Text;

    void Start()
    {
        //Fetch the Toggle GameObject
        m_Toggle = GetComponent<Toggle>();
        //Add listener for when the state of the Toggle changes, to take action
        m_Toggle.onValueChanged.AddListener(delegate {
                ToggleValueChanged(m_Toggle);
            });

        //Initialise the Text to say the first state of the Toggle
        m_Text.text = "First Value : " + m_Toggle.isOn;
    }

    //Output the new state of the Toggle into Text
    void ToggleValueChanged(Toggle change)
    {
        m_Text.text =  "New Value : " + m_Toggle.isOn;
    }
}

toggleTransition

Transition mode for the toggle.

Declaration
public Toggle.ToggleTransition toggleTransition
Field Value
Type Description
Toggle.ToggleTransition

Properties

group

Group the toggle belongs to.

Declaration
public ToggleGroup group { get; set; }
Property Value
Type Description
ToggleGroup

isOn

Whether the toggle is currently active.

Declaration
public bool isOn { get; set; }
Property Value
Type Description
Boolean
Examples
/Attach this script to a Toggle GameObject. To do this, go to Create>UI>Toggle.
//Set your own Text in the Inspector window

using UnityEngine;
using UnityEngine.UI;

public class Example : MonoBehaviour
{
    Toggle m_Toggle;
    public Text m_Text;

    void Start()
    {
        //Fetch the Toggle GameObject
        m_Toggle = GetComponent<Toggle>();
        //Add listener for when the state of the Toggle changes, and output the state
        m_Toggle.onValueChanged.AddListener(delegate {
                ToggleValueChanged(m_Toggle);
            });

        //Initialize the Text to say whether the Toggle is in a positive or negative state
        m_Text.text = "Toggle is : " + m_Toggle.isOn;
    }

    //Output the new state of the Toggle into Text when the user uses the Toggle
    void ToggleValueChanged(Toggle change)
    {
        m_Text.text =  "Toggle is : " + m_Toggle.isOn;
    }
}

Methods

GraphicUpdateComplete()

Declaration
public virtual void GraphicUpdateComplete()
Implements

LayoutComplete()

Declaration
public virtual void LayoutComplete()
Implements

OnDestroy()

Declaration
protected override void OnDestroy()
Overrides

OnDidApplyAnimationProperties()

Declaration
protected override void OnDidApplyAnimationProperties()
Overrides

OnDisable()

Declaration
protected override void OnDisable()
Overrides

OnEnable()

Declaration
protected override void OnEnable()
Overrides

OnPointerClick(PointerEventData)

React to clicks.

Declaration
public virtual void OnPointerClick(PointerEventData eventData)
Parameters
Type Name Description
PointerEventData eventData
Implements

OnSubmit(BaseEventData)

Declaration
public virtual void OnSubmit(BaseEventData eventData)
Parameters
Type Name Description
BaseEventData eventData
Implements

Rebuild(CanvasUpdate)

Declaration
public virtual void Rebuild(CanvasUpdate executing)
Parameters
Type Name Description
CanvasUpdate executing
Implements

SetIsOnWithoutNotify(Boolean)

Set isOn without invoking onValueChanged callback.

Declaration
public void SetIsOnWithoutNotify(bool value)
Parameters
Type Name Description
Boolean value

New Value for isOn.

Start()

Assume the correct visual state.

Declaration
protected override void Start()
Overrides

Extension Methods