Page Summary
-
DragGestureis a class in Sceneform that detects and handles user drag motions on the touchscreen. -
It provides methods to get the drag delta (
getDelta) and current position (getPosition) of the drag gesture. -
Developers can use the
OnGestureEventListenerinterface to receive callbacks during the drag gesture lifecycle (start, update, finish, cancel). -
DragGestureinherits fromBaseGestureand provides its own implementations for gesture handling.
public class DragGesture
Gesture for when the user performs a drag motion on the touch screen.
Nested Classes
interface
Inherited Fields
Public Constructors
DragGesture
( GesturePointersUtility
gesturePointersUtility, HitTestResult
hitTestResult, MotionEvent
motionEvent)
Public Methods
| Vector3 | getDelta
()
|
|---|---|
| Vector3 | getPosition
()
|
Protected Methods
| boolean | |
| DragGesture | getSelf
()
|
| void | onCancel
()
|
| void | onFinish
()
|
| void | |
| boolean |
Inherited Methods
Public Constructors
public DragGesture ( GesturePointersUtility gesturePointersUtility, HitTestResult hitTestResult, MotionEvent motionEvent)
Parameters
| gesturePointersUtility |
|---|
| hitTestResult |
| motionEvent |
Public Methods
public Vector3 getDelta ()
public Vector3 getPosition ()
Protected Methods
protected boolean canStart ( HitTestResult hitTestResult, MotionEvent motionEvent)
Parameters
| hitTestResult |
|---|
| motionEvent |
protected DragGesture getSelf ()
protected void onCancel ()
protected void onFinish ()
protected void onStart ( HitTestResult hitTestResult, MotionEvent motionEvent)
Parameters
| hitTestResult |
|---|
| motionEvent |
protected boolean updateGesture ( HitTestResult hitTestResult, MotionEvent motionEvent)
Parameters
| hitTestResult |
|---|
| motionEvent |
