- Sceneform SDK for Android
was open sourced and archived ( github.com/google-ar/sceneform-android-sdk
) with version 1.16.0.
- This site ( developers.google.com/sceneform
) serves as the documentation archive for the previous version, Sceneform SDK for Android
1.15.0.
- Do not use version 1.17.0 of the Sceneform Maven artifacts
.
- The 1.17.1 Maven artifacts can be used. Other than the version, however, the 1.17.1 artifacts are identical to the 1.15.0 artifacts.
Node.LifecycleListener
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Known Indirect Subclasses
Interface definition for callbacks to be invoked when node lifecycle events occur.
Public Methods
| abstract
void |
|
| abstract
void |
|
| abstract
void |
|
Public Methods
public
abstract
void
onActivated
( Node
node)
Parameters
node
the node that was activated
public
abstract
void
onDeactivated
( Node
node)
Parameters
node
the node that was deactivated
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Last updated 2024-06-26 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-06-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eNode.LifecycleListener\u003c/code\u003e is an interface for receiving callbacks during a node's lifecycle events.\u003c/p\u003e\n"],["\u003cp\u003eIt provides methods to be notified when a node is activated (\u003ccode\u003eonActivated\u003c/code\u003e), deactivated (\u003ccode\u003eonDeactivated\u003c/code\u003e), and updated (\u003ccode\u003eonUpdated\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThese methods receive the affected node as a parameter, and \u003ccode\u003eonUpdated\u003c/code\u003e also provides frame timing information.\u003c/p\u003e\n"],["\u003cp\u003eSeveral classes, like \u003ccode\u003eRotationController\u003c/code\u003e and \u003ccode\u003eScaleController\u003c/code\u003e, indirectly implement this interface.\u003c/p\u003e\n"]]],["`Node.LifecycleListener` is an interface for receiving callbacks on node lifecycle events. It has three methods: `onActivated`, which is called when `onActivate()` is invoked, `onDeactivated`, which is called upon `onDeactivate()`, and `onUpdated`, triggered by `onUpdate(FrameTime)`. These methods notify listeners about the respective lifecycle event, providing the involved `Node`, and time information. `BaseTransformationController` and its subclasses use the listener.\n"],null,["# Node.LifecycleListener\n\npublic static interface **Node.LifecycleListener** \n\n|---|---|---|\n| Known Indirect Subclasses [BaseTransformationController](/sceneform/reference/com/google/ar/sceneform/ux/BaseTransformationController)\\\u003cT extends [BaseGesture](/sceneform/reference/com/google/ar/sceneform/ux/BaseGesture)\\\u003cT\\\u003e\\\u003e, [RotationController](/sceneform/reference/com/google/ar/sceneform/ux/RotationController), [ScaleController](/sceneform/reference/com/google/ar/sceneform/ux/ScaleController), [TranslationController](/sceneform/reference/com/google/ar/sceneform/ux/TranslationController) |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [BaseTransformationController](/sceneform/reference/com/google/ar/sceneform/ux/BaseTransformationController)\\\u003cT extends [BaseGesture](/sceneform/reference/com/google/ar/sceneform/ux/BaseGesture)\\\u003cT\\\u003e\\\u003e | Manipulates the transform properties (i.e. | | [RotationController](/sceneform/reference/com/google/ar/sceneform/ux/RotationController) | Manipulates the rotation of a [BaseTransformableNode](/sceneform/reference/com/google/ar/sceneform/ux/BaseTransformableNode) using a [TwistGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/TwistGestureRecognizer). | | [ScaleController](/sceneform/reference/com/google/ar/sceneform/ux/ScaleController) | Manipulates the Scale of a [BaseTransformableNode](/sceneform/reference/com/google/ar/sceneform/ux/BaseTransformableNode) using a Pinch [PinchGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/PinchGestureRecognizer). | | [TranslationController](/sceneform/reference/com/google/ar/sceneform/ux/TranslationController) | Manipulates the position of a [BaseTransformableNode](/sceneform/reference/com/google/ar/sceneform/ux/BaseTransformableNode) using a [DragGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/DragGestureRecognizer). | |||\n\nInterface definition for callbacks to be invoked when node lifecycle events occur. \n\n### Public Methods\n\n|---------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract void | [onActivated](/sceneform/reference/com/google/ar/sceneform/Node.LifecycleListener#onActivated(com.google.ar.sceneform.Node))([Node](/sceneform/reference/com/google/ar/sceneform/Node) node) Notifies the listener that [onActivate()](/sceneform/reference/com/google/ar/sceneform/Node#onActivate()) was called. |\n| abstract void | [onDeactivated](/sceneform/reference/com/google/ar/sceneform/Node.LifecycleListener#onDeactivated(com.google.ar.sceneform.Node))([Node](/sceneform/reference/com/google/ar/sceneform/Node) node) Notifies the listener that [onDeactivate()](/sceneform/reference/com/google/ar/sceneform/Node#onDeactivate()) was called. |\n| abstract void | [onUpdated](/sceneform/reference/com/google/ar/sceneform/Node.LifecycleListener#onUpdated(com.google.ar.sceneform.Node,%20com.google.ar.sceneform.FrameTime))([Node](/sceneform/reference/com/google/ar/sceneform/Node) node, [FrameTime](/sceneform/reference/com/google/ar/sceneform/FrameTime) frameTime) Notifies the listener that [onUpdate(FrameTime)](/sceneform/reference/com/google/ar/sceneform/Node#onUpdate(com.google.ar.sceneform.FrameTime)) was called. |\n\nPublic Methods\n--------------\n\n#### public abstract void\n**onActivated**\n([Node](/sceneform/reference/com/google/ar/sceneform/Node) node)\n\nNotifies the listener that [onActivate()](/sceneform/reference/com/google/ar/sceneform/Node#onActivate()) was called. \n\n##### Parameters\n\n| node | the node that was activated |\n|------|-----------------------------|\n\n#### public abstract void\n**onDeactivated**\n([Node](/sceneform/reference/com/google/ar/sceneform/Node) node)\n\nNotifies the listener that [onDeactivate()](/sceneform/reference/com/google/ar/sceneform/Node#onDeactivate()) was called. \n\n##### Parameters\n\n| node | the node that was deactivated |\n|------|-------------------------------|\n\n#### public abstract void\n**onUpdated**\n([Node](/sceneform/reference/com/google/ar/sceneform/Node) node, [FrameTime](/sceneform/reference/com/google/ar/sceneform/FrameTime) frameTime)\n\nNotifies the listener that [onUpdate(FrameTime)](/sceneform/reference/com/google/ar/sceneform/Node#onUpdate(com.google.ar.sceneform.FrameTime)) was called. \n\n##### Parameters\n\n| node | the node that was updated |\n| frameTime | provides time information for the current frame |\n|-----------|-------------------------------------------------|"]]
