- 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.
TwistGestureRecognizer
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Gesture Recognizer for when the user performs a two-finger twist motion on the touch screen.
Nested Classes
interface
Interface definition for a callbacks to be invoked when a TwistGesture
starts.
Inherited Methods
From class
java.lang.Object
Protected Methods
protected
void
tryCreateGestures
( HitTestResult
hitTestResult, MotionEvent
motionEvent)
Parameters
| hitTestResult |
| motionEvent |
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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-06-26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\u003eTwistGestureRecognizer detects two-finger twist motions on a touchscreen for user interaction in AR scenes.\u003c/p\u003e\n"],["\u003cp\u003eIt provides a listener to be notified when a twist gesture begins (\u003ca href=\"/sceneform/reference/com/google/ar/sceneform/ux/TwistGestureRecognizer.OnGestureStartedListener\"\u003eOnGestureStartedListener\u003c/a\u003e).\u003c/p\u003e\n"],["\u003cp\u003eIt inherits functionalities from BaseGestureRecognizer to manage gestures and touch events.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can use tryCreateGestures to handle gesture creation based on hitTestResult and motionEvent.\u003c/p\u003e\n"]]],["The `TwistGestureRecognizer` class detects two-finger twist motions on a touchscreen. It includes an `OnGestureStartedListener` interface for twist start callbacks. Key actions involve creating the recognizer with `GesturePointersUtility`, using `tryCreateGestures` to initiate gesture recognition based on `HitTestResult` and `MotionEvent`. Inherited methods manage adding/removing listeners and touch input. `BaseGestureRecognizer` class also contains useful methods like `onTouch` and `addOnGestureStartedListener`.\n"],null,["# TwistGestureRecognizer\n\npublic class **TwistGestureRecognizer** \nGesture Recognizer for when the user performs a two-finger twist motion on the touch screen. \n\n### Nested Classes\n\n|-----------|---|---|------------------------------------------------------------------------------------------------------------------------------------------------|\n| interface | [TwistGestureRecognizer.OnGestureStartedListener](/sceneform/reference/com/google/ar/sceneform/ux/TwistGestureRecognizer.OnGestureStartedListener) || Interface definition for a callbacks to be invoked when a [TwistGesture](/sceneform/reference/com/google/ar/sceneform/ux/TwistGesture) starts. |\n\n### Inherited Fields\n\nFrom class [com.google.ar.sceneform.ux.BaseGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer) \n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|---|\n| protected final [GesturePointersUtility](/sceneform/reference/com/google/ar/sceneform/ux/GesturePointersUtility) | [gesturePointersUtility](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#gesturePointersUtility) | |\n| protected final [ArrayList](https://developer.android.com/reference/java/util/ArrayList)\\\u003cT extends [BaseGesture](/sceneform/reference/com/google/ar/sceneform/ux/BaseGesture)\\\u003cT\\\u003e\\\u003e | [gestures](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#gestures) | |\n\n### Public Constructors\n\n|---|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| | [TwistGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/TwistGestureRecognizer#TwistGestureRecognizer(com.google.ar.sceneform.ux.GesturePointersUtility))([GesturePointersUtility](/sceneform/reference/com/google/ar/sceneform/ux/GesturePointersUtility) gesturePointersUtility) |\n\n### Protected Methods\n\n|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| void | [tryCreateGestures](/sceneform/reference/com/google/ar/sceneform/ux/TwistGestureRecognizer#tryCreateGestures(com.google.ar.sceneform.HitTestResult,%20android.view.MotionEvent))([HitTestResult](/sceneform/reference/com/google/ar/sceneform/HitTestResult) hitTestResult, [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent) motionEvent) |\n\n### Inherited Methods\n\nFrom class [com.google.ar.sceneform.ux.BaseGestureRecognizer](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer) \n\n|---------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| void | [addOnGestureStartedListener](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#addOnGestureStartedListener(com.google.ar.sceneform.ux.BaseGestureRecognizer.OnGestureStartedListener\u003cT\u003e))([OnGestureStartedListener](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer.OnGestureStartedListener)\\\u003c[TwistGesture](/sceneform/reference/com/google/ar/sceneform/ux/TwistGesture)\\\u003e listener) |\n| void | [onTouch](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#onTouch(com.google.ar.sceneform.HitTestResult,%20android.view.MotionEvent))([HitTestResult](/sceneform/reference/com/google/ar/sceneform/HitTestResult) hitTestResult, [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent) motionEvent) |\n| void | [removeOnGestureStartedListener](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#removeOnGestureStartedListener(com.google.ar.sceneform.ux.BaseGestureRecognizer.OnGestureStartedListener\u003cT\u003e))([OnGestureStartedListener](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer.OnGestureStartedListener)\\\u003c[TwistGesture](/sceneform/reference/com/google/ar/sceneform/ux/TwistGesture)\\\u003e listener) |\n| abstract void | [tryCreateGestures](/sceneform/reference/com/google/ar/sceneform/ux/BaseGestureRecognizer#tryCreateGestures(com.google.ar.sceneform.HitTestResult,%20android.view.MotionEvent))([HitTestResult](/sceneform/reference/com/google/ar/sceneform/HitTestResult) hitTestResult, [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent) motionEvent) |\n\nFrom class java.lang.Object \n\n|-----------------------------------------------------------------------------|---------------------------------------------------------------------------------|\n| [Object](https://developer.android.com/reference/java/lang/Object) | clone() |\n| boolean | equals([Object](https://developer.android.com/reference/java/lang/Object) arg0) |\n| void | finalize() |\n| final [Class](https://developer.android.com/reference/java/lang/Class)\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| [String](https://developer.android.com/reference/java/lang/String) | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nPublic Constructors\n-------------------\n\n#### public\n**TwistGestureRecognizer**\n([GesturePointersUtility](/sceneform/reference/com/google/ar/sceneform/ux/GesturePointersUtility) gesturePointersUtility)\n\n\u003cbr /\u003e\n\n##### Parameters\n\n| gesturePointersUtility | |\n|------------------------|---|\n\nProtected Methods\n-----------------\n\n#### protected void\n**tryCreateGestures**\n([HitTestResult](/sceneform/reference/com/google/ar/sceneform/HitTestResult) hitTestResult, [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent) motionEvent)\n\n\u003cbr /\u003e\n\n##### Parameters\n\n| hitTestResult | |\n| motionEvent | |\n|---------------|---|"]]
