MotionLayout

Artifact: androidx.constraintlayout:constraintlayout

Added in 2.2.1

Kotlin |Java

public class MotionLayout extends ConstraintLayout implements NestedScrollingParent3

java.lang.Object
↳	android.view.View
	↳	android.view.ViewGroup
		↳	androidx.constraintlayout.widget.ConstraintLayout
			↳	androidx.constraintlayout.motion.widget.MotionLayout

A subclass of ConstraintLayout that supports animating between various states Added in 2.0

A MotionLayout is a subclass of ConstraintLayout which supports transitions between between various states (ConstraintSet) defined in MotionScenes.

Note:MotionLayout is available as a support library that you can use on Android systems starting with API level 14 (ICS).

MotionLayout links to and requires a MotionScene file. The file contains one top level tag "MotionScene"

LayoutDescription

Tags	Description
`<StateSet>`	Describes states supported by the system (optional)
`<ConstraintSet>`	Describes a constraint set
`<Transition>`	Describes a transition between two states or ConstraintSets
`<ViewTransition>`	Describes a transition of a View within a states or ConstraintSets

Transition

Attributes	Description
android:id	The id of the Transition
constraintSetStart	ConstraintSet to be used as the start constraints or a layout file to get the constraint from
constraintSetEnd	ConstraintSet to be used as the end constraints or a layout file to get the constraint from
motionInterpolator	The ability to set an overall interpolation (easeInOut, linear, etc.)
duration	Length of time to take to perform the transition
staggered	Overrides the Manhattan distance from the top most view in the list of views. For any view of stagger value `S(Vi)` With the transition stagger value of `TS` (from 0.0 - 1.0) The duration of the animation is `duration` The views animation duration `DS = duration * (1 -TS)` Call the stagger fraction `SFi = (S(Vi) - S(V0)) / (S(Vn) - S(V0))` The view starts animating at: `(duration-DS) * SFi`
pathMotionArc	The path will move in arc (quarter ellipses) key words {startVertical \| startHorizontal \| flip \| none }
autoTransition	automatically transition from one state to another. key words {none, jumpToStart, jumpToEnd, animateToStart, animateToEnd}
transitionFlags	flags that adjust the behaviour of Transitions. supports {none, beginOnFirstDraw} begin on first draw forces the transition's clock to start when it is first displayed not when the begin is called
layoutDuringTransition	Configures MotionLayout on how to react to requestLayout calls during transitions. Allowed values are {ignoreRequest, honorRequest}
`<OnSwipe>`	Adds support for touch handling (optional)
`<OnClick>`	Adds support for triggering transition (optional)
`<KeyFrameSet>`	Describes a set of Key object which modify the animation between constraint sets.

A transition is typically defined by specifying its start and end ConstraintSets. You also have the possibility to not specify them, in which case such transition will become a Default transition. That Default transition will be applied between any state change that isn't explicitly covered by a transition.
The starting state of the MotionLayout is defined to be the constraintSetStart of the first transition.
If no transition is specified (or only a default Transition) the MotionLayout tag must contain a app:currentState to define the starting state of the MotionLayout

ViewTransition

Attributes	Description
android:id	The id of the ViewTransition
viewTransitionMode	currentState, allStates, noState transition affect the state of the view in the current constraintSet or all ConstraintSets or non if noState the ViewTransitions are run asynchronous
onStateTransition	actionDown or actionUp run transition if on touch down or up if view matches motionTarget
motionInterpolator	The ability to set an overall interpolation key words {easeInOut, linear, etc.}
duration	Length of time to take to perform the `ViewTransition`
pathMotionArc	The path will move in arc (quarter ellipses) key words {startVertical \| startHorizontal \| flip \| none }
motionTarget	Apply ViewTransition matching this string or id.
setsTag	set this tag at end of transition
clearsTag	clears this tag at end of transition
ifTagSet	run transition if this tag is set on view
ifTagNotSet	run transition if this tag is not set on view/td>
`<OnSwipe>`	Adds support for touch handling (optional)
`<OnClick>`	Adds support for triggering transition (optional)
`<KeyFrameSet>`	Describes a set of Key object which modify the animation between constraint sets.

A Transition is typically defined by specifying its start and end ConstraintSets. You also have the possibility to not specify them, in which case such transition will become a Default transition. That Default transition will be applied between any state change that isn't explicitly covered by a transition.
The starting state of the MotionLayout is defined to be the constraintSetStart of the first transition.
If no transition is specified (or only a default Transition) the MotionLayout tag must contain a app:currentState to define the starting state of the MotionLayout

OnSwipe (optional)

Attributes	Description
touchAnchorId	Have the drag act as if it is moving the "touchAnchorSide" of this object
touchRegionId	Limits the region that the touch can be start in to the bounds of this view (even if the view is invisible)
touchAnchorSide	The side of the object to move with {top\|left\|right\|bottom}
maxVelocity	limit the maximum velocity (in progress/sec) of the animation will on touch up. Default 4
dragDirection	which side to swipe from {dragUp\|dragDown\|dragLeft\|dragRight}
maxAcceleration	how quickly the animation will accelerate (progress/sec/sec) and decelerate on touch up. Default 1.2
dragScale	scale factor to adjust the swipe by. (e.g. 0.5 would require you to move 2x as much)
dragThreshold	How much to drag before swipe gesture runs. Important for mult-direction swipe. Default is 10. 1 is very sensitive.
moveWhenScrollAtTop	If the swipe is scrolling and View (such as RecyclerView or NestedScrollView) do scroll and transition happen at the same time
onTouchUp	Support for various swipe modes autoComplete,autoCompleteToStart,autoCompleteToEnd,stop,decelerate,decelerateAndComplete

OnClick (optional)

Attributes	Description
motionTarget	What view triggers Transition.
clickAction	Direction for buttons to move the animation. Or (\|) combination of: toggle, transitionToEnd, transitionToStart, jumpToEnd, jumpToStart

StateSet

defaultState	The constraint set or layout to use
`<State>`	The side of the object to move

State

android:id	Id of the State
constraints	Id of the ConstraintSet or the Layout file
`<Variant>`	a different constraintSet/layout to choose if the with or height matches

Variant

region_widthLessThan	Match if width less than
region_widthMoreThan	Match if width more than
region_heightLessThan	Match if height less than
region_heightMoreThan	Match if height more than
constraints	Id of the ConstraintSet or layout

ConstraintSet

android:id	The id of the ConstraintSet
deriveConstraintsFrom	The id of another constraintSet which defines the constraints not define in this set. If not specified the layout defines the undefined constraints.
`<Constraint>`	A ConstraintLayout Constraints + other attributes associated with a view

Constraint

Constraint supports two forms:

1: All of ConstraintLayout + the ones listed below + <CustomAttribute> .

2: Combination of tags: <Layout> <PropertySet> <Transform> <Motion> <CustomAttribute> . The advantage of using these is that if not present the attributes are taken from the base layout file. This saves from replicating all the layout tags if only a Motion tag is needed. If is used then all layout attributes in the base are ignored.

android:id	Id of the View
[ConstraintLayout attributes]	Any attribute that is part of ConstraintLayout layout is allowed
[Standard View attributes]	A collection of view attributes supported by the system (see below)
transitionEasing	define an easing curve to be used when animating from this point (e.g. `curve(1.0,0,0,1.0)`) or key words {standard \| accelerate \| decelerate \| linear}
pathMotionArc	the path will move in arc (quarter ellipses) or key words {startVertical \| startHorizontal \| none }
transitionPathRotate	(float) rotate object relative to path taken
drawPath	draw the path the layout will animate animate
progress	call method setProgress(float) on this view (used to talk to nested ConstraintLayouts etc.)
`<CustomAttribute>`	call a set"name" method via reflection
`<Layout>`	Attributes for the ConstraintLayout e.g. layout_constraintTop_toTopOf
`<PropertySet>`	currently only visibility, alpha, motionProgress,layout_constraintTag.
`<Transform>`	All the view transform API such as android:rotation.
`<Motion>`	Motion Layout control commands such as transitionEasing and pathMotionArc

Layout

[ConstraintLayout attributes] Also see ConstraintLayout.LayoutParams for attributes

PropertySet

visibility	set the Visibility of the view. One of Visible, invisible or gone
alpha	setAlpha value
motionProgress	using reflection call setProgress
layout_constraintTag	a tagging string to identify the type of object

Transform

android:elevation	base z depth of the view.
android:rotation	rotation of the view, in degrees.
android:rotationX	rotation of the view around the x axis, in degrees.
android:rotationY	rotation of the view around the y axis, in degrees.
android:scaleX	scale of the view in the x direction
android:scaleY	scale of the view in the y direction.
android:translationX	translation in x of the view. This value is added post-layout to the left property of the view, which is set by its layout.
android:translationY	translation in y of the view. This value is added post-layout to th e top property of the view, which is set by its layout
android:translationZ	translation in z of the view. This value is added to its elevation.

Motion

transitionEasing	Defines an acceleration curve.
pathMotionArc	Says the object should move in a quarter ellipse unless the motion is vertical or horizontal
motionPathRotate	set the rotation to the path of the object + this angle.
drawPath	Debugging utility to draw the motion of the path

CustomAttribute

attributeName	The name of the attribute. Case sensitive. ( MyAttr will look for method setMyAttr(...)
customColorValue	The value is a color looking setMyAttr(int )
customIntegerValue	The value is an integer looking setMyAttr(int )
customFloatValue	The value is a float looking setMyAttr(float )
customStringValue	The value is a String looking setMyAttr(String )
customDimension	The value is a dimension looking setMyAttr(float )
customBoolean	The value is true or false looking setMyAttr(boolean )

KeyFrameSet

This is the container for a collection of Key objects (such as KeyPosition) which provide information about how the views should move

`<KeyPosition>`	Controls the layout position during animation
`<KeyAttribute>`	Controls the post layout properties during animation
`<KeyCycle>`	Controls oscillations with respect to position of post layout properties during animation
`<KeyTimeCycle>`	Controls oscillations with respect to time of post layout properties during animation
`<KeyTrigger>`	trigger callbacks into code at fixed point during the animation

KeyPosition

motionTarget	Id of the View or a regular expression to match layout_ConstraintTag
framePosition	The point along the interpolation 0 = start 100 = end
transitionEasing	define an easing curve to be used when animating from this point (e.g. curve(1.0,0,0, 1.0)) or key words {standard \| accelerate \| decelerate \| linear }
pathMotionArc	The path will move in arc (quarter ellipses) key words {startVertical \| startHorizontal \| flip \| none }
keyPositionType	how this keyframe's deviation for linear path is calculated {deltaRelative \| pathRelative\|parentRelative}
percentX	(float) percent distance from start to end along X axis (deltaRelative) or along the path in pathRelative
percentY	(float) Percent distance from start to end along Y axis (deltaRelative) or perpendicular to path in pathRelative
percentWidth	(float) Percent of change in the width. Note if the width does not change this has no effect.This overrides sizePercent.
percentHeight	(float) Percent of change in the width. Note if the width does not change this has no effect.This overrides sizePercent.
curveFit	path is traced
drawPath	Draw the path of the objects layout takes useful for debugging
sizePercent	If the view changes size this controls how growth of the size. (for fixed size objects use KeyAttributes scaleX/X)
curveFit	selects a path based on straight lines or a path based on a monotonic spline {linear\|spline}

KeyAttribute

motionTarget	Id of the View or a regular expression to match layout_ConstraintTag
framePosition	The point along the interpolation 0 = start 100 = end
curveFit	selects a path based on straight lines or a path based on a monotonic spline {linear\|spline}
transitionEasing	Define an easing curve to be used when animating from this point (e.g. curve(1.0,0,0, 1.0)) or key words {standard \| accelerate \| decelerate \| linear }
transitionPathRotate	(float) rotate object relative to path taken
drawPath	draw the path the layout will animate animate
motionProgress	call method setProgress(float) on this view (used to talk to nested ConstraintLayouts etc.)
[standard view attributes](except visibility)	A collection of post layout view attributes see below
`<CustomAttribute>`	call a set"name" method via reflection

CustomAttribute

attributeName	The name of the attribute. Case sensitive. ( MyAttr will look for method setMyAttr(...)
customColorValue	The value is a color looking setMyAttr(int )
customIntegerValue	The value is an integer looking setMyAttr(int )
customFloatValue	The value is a float looking setMyAttr(float )
customStringValue	The value is a String looking setMyAttr(String )
customDimension	The value is a dimension looking setMyAttr(float )
customBoolean	The value is true or false looking setMyAttr(boolean )

KeyCycle

motionTarget	Id of the View or a regular expression to match layout_ConstraintTag
framePosition	The point along the interpolation 0 = start 100 = end
[Standard View attributes]	A collection of view attributes supported by the system (see below)
waveShape	The shape of the wave to generate {sin\|square\|triangle\|sawtooth\|reverseSawtooth\|cos\|bounce}
wavePeriod	The number of cycles to loop near this region
waveOffset	offset value added to the attribute
transitionPathRotate	Cycles applied to rotation relative to the path the view is travelling
progress	call method setProgress(float) on this view (used to talk to nested ConstraintLayouts etc.)
`<CustomAttribute>`	call a set"name" method via reflection (limited to floats)

CustomAttribute

attributeName	The name of the attribute. Case sensitive. ( MyAttr will look for method setMyAttr(...)
customFloatValue	The value is a float looking setMyAttr(float )

KeyTimeCycle

motionTarget	Id of the View or a regular expression to match layout_ConstraintTag
framePosition	The point along the interpolation 0 = start 100 = end
[Standard View attributes]	A collection of view attributes supported by the system (see below)
waveShape	The shape of the wave to generate {sin\|square\|triangle\|sawtooth\|reverseSawtooth\|cos\|bounce}
wavePeriod	The number of cycles per second
waveOffset	offset value added to the attribute
transitionPathRotate	Cycles applied to rotation relative to the path the view is travelling
progress	call method setProgress(float) on this view (used to talk to nested ConstraintLayouts etc.)
`<CustomAttribute>`	call a set"name" method via reflection (limited to floats)

CustomAttribute

attributeName	The name of the attribute. Case sensitive. ( MyAttr will look for method setMyAttr(...)
customFloatValue	The value is a float looking setMyAttr(float )

KeyTrigger

motionTarget	Id of the View or a regular expression to match layout_ConstraintTag
framePosition	The point along the interpolation 0 = start 100 = end
onCross	(method name) on crossing this position call this methods on the t arget
onPositiveCross	(method name) on forward crossing of the framePosition call this methods on the target
onNegativeCross/td>	(method name) backward crossing of the framePosition call this methods on the target
viewTransitionOnCross	(ViewTransition Id) start a NoState view transition on crossing or hitting target
viewTransitionOnPositiveCross	(ViewTransition Id) start a NoState view transition forward crossing of the framePosition or entering target
viewTransitionOnNegativeCross/td>	(ViewTransition Id) start a NoState view transition backward crossing of the framePosition or leaving target
triggerSlack	(float) do not call trigger again if the framePosition has not moved this fraction away from the trigger point
triggerId	(id) call the TransitionListener with this trigger id
motion_postLayoutCollision	Define motion pre or post layout. Post layout is more expensive but captures KeyAttributes or KeyCycle motions.
motion_triggerOnCollision	(id) Trigger if the motionTarget collides with the other motionTarget

Standard attributes

android:visibility	Android view attribute that
android:alpha	Android view attribute that
android:elevation	base z depth of the view.
android:rotation	rotation of the view, in degrees.
android:rotationX	rotation of the view around the x axis, in degrees.
android:rotationY	rotation of the view around the y axis, in degrees.
android:scaleX	scale of the view in the x direction.
android:scaleY	scale of the view in the y direction.
android:translationX	translation in x of the view.
android:translationY	translation in y of the view.
android:translationZ	translation in z of the view.

Summary

Nested types
`protected interface MotionLayout.MotionTracker` Subclasses can override to build test frameworks
`public interface MotionLayout.TransitionListener` Listener for monitoring events about TransitionLayout.

Constants
`static final int`	`DEBUG_SHOW_NONE = 0`
`static final int`	`DEBUG_SHOW_PATH = 2`
`static final int`	`DEBUG_SHOW_PROGRESS = 1`
`static final int`	`TOUCH_UP_COMPLETE = 0`
`static final int`	`TOUCH_UP_COMPLETE_TO_END = 2`
`static final int`	`TOUCH_UP_COMPLETE_TO_START = 1`
`static final int`	`TOUCH_UP_DECELERATE = 4`
`static final int`	`TOUCH_UP_DECELERATE_AND_COMPLETE = 5`
`static final int`	`TOUCH_UP_NEVER_TO_END = 7`
`static final int`	`TOUCH_UP_NEVER_TO_START = 6`
`static final int`	`TOUCH_UP_STOP = 3`
`static final int`	`VELOCITY_LAYOUT = 1`
`static final int`	`VELOCITY_POST_LAYOUT = 0`
`static final int`	`VELOCITY_STATIC_LAYOUT = 3`
`static final int`	`VELOCITY_STATIC_POST_LAYOUT = 2`

Public fields
`static boolean`	`IS_IN_EDIT_MODE`

Protected fields
`boolean`	`mMeasureDuringTransition`

Public constructors
`MotionLayout(@NonNull Context context)`
`MotionLayout(@NonNull Context context, @Nullable AttributeSet attrs)`
`MotionLayout( @NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr )`

Public methods
`void`	`addTransitionListener(MotionLayout.TransitionListener listener)` adds a listener to be notified of drawer events.
`boolean`	`applyViewTransition( int viewTransitionId, MotionController motionController )` Apply the view transitions keyFrames to the MotionController.
`ConstraintSet`	`cloneConstraintSet(int id)` Creates a ConstraintSet based on an existing constraintSet.
`void`	`enableTransition(int transitionID, boolean enable)` Disable the transition based on transitionID
`void`	`enableViewTransition(int viewTransitionId, boolean enable)` Enable a ViewTransition ID.
`void`	`fireTrigger(int triggerId, boolean positive, float progress)` This causes the callback onTransitionTrigger to be called
`ConstraintSet`	`getConstraintSet(int id)` Get the ConstraintSet associated with an id This returns a link to the constraintSet But in most cases can be used. createConstraintSet makes a copy which is more expensive.
`@IdRes int[]`	`getConstraintSetIds()` Get the id's of all constraintSets used by MotionLayout
`int`	`getCurrentState()` Return the current state id
`ArrayList<MotionScene.Transition>`	`getDefinedTransitions()` Get all Transitions known to the system.
`DesignTool`	`getDesignTool()`
`int`	`getEndState()` Gets the state you are currently transition to.
`int[]`	`getMatchingConstraintSetIds(String[] types)` Get the id's of all constraintSets with the matching types
`float`	`getProgress()` Get current position during an animation.
`MotionScene`	`getScene()` Get the motion scene of the layout.
`int`	`getStartState()` Gets the state you are currently transitioning from.
`float`	`getTargetPosition()` Gets the position you are animating to typically 0 or 1.
`MotionScene.Transition`	`getTransition(int id)` This returns the internal Transition Structure
`Bundle`	`getTransitionState()`
`long`	`getTransitionTimeMs()` Gets the time of the currently set animation.
`float`	`getVelocity()` Returns the last velocity used in the transition
`void`	`getViewVelocity( View view, float posOnViewX, float posOnViewY, float[] returnVelocity, int type )` Returns the last layout velocity used in the transition
`boolean`	`isDelayedApplicationOfInitialState()` Is initial state changes are applied during onAttachedToWindow or after.
`boolean`	`isInRotation()`
`boolean`	`isInteractionEnabled()` Determines whether MotionLayout's touch &click handling are enabled.
`boolean`	`isViewTransitionEnabled(int viewTransitionId)` Is transition id enabled or disabled
`void`	`jumpToState(int id)` This jumps to a state It will be at that state after one repaint cycle If the current transition contains that state.
`void`	`loadLayoutDescription(int motionScene)` This overrides ConstraintLayout and only accepts a MotionScene.
`boolean`	`onInterceptTouchEvent(MotionEvent event)` Intercepts the touch event to correctly handle touch region id handover
`boolean`	`onNestedFling( @NonNull View target, float velocityX, float velocityY, boolean consumed )`
`boolean`	`onNestedPreFling(@NonNull View target, float velocityX, float velocityY)`
`void`	`onNestedPreScroll( @NonNull View target, int dx, int dy, @NonNull int[] consumed, int type )` React to a nested scroll in progress before the target view consumes a portion of the scroll.
`void`	`onNestedScroll( @NonNull View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int type )` React to a nested scroll in progress.
`void`	`onNestedScroll( @NonNull View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int type, int[] consumed )` React to a nested scroll in progress.
`void`	`onNestedScrollAccepted( @NonNull View child, @NonNull View target, int axes, int type )` React to the successful claiming of a nested scroll operation.
`void`	`onRtlPropertiesChanged(int layoutDirection)`
`boolean`	`onStartNestedScroll( @NonNull View child, @NonNull View target, int axes, int type )` React to a descendant view initiating a nestable scroll operation, claiming the nested scroll operation if appropriate.
`void`	`onStopNestedScroll(@NonNull View target, int type)` React to a nested scroll operation ending.
`boolean`	`onTouchEvent(MotionEvent event)`
`void`	`onViewAdded(View view)`
`void`	`onViewRemoved(View view)`
`void`	`rebuildMotion()` This method is deprecated. Please call rebuildScene() instead.
`void`	`rebuildScene()` rebuild the motion Layouts
`boolean`	`removeTransitionListener(MotionLayout.TransitionListener listener)` adds a listener to be notified of drawer events.
`void`	`requestLayout()`
`void`	`rotateTo(int id, int duration)` Rotate the layout based on the angle to a ConstraintSet
`void`	`scheduleTransitionTo(int id)` on completing the current transition, transition to this state.
`void`	`setDebugMode(int debugMode)` Display the debugging information such as paths information
`void`	`setDelayedApplicationOfInitialState(boolean delayedApply)` Initial state changes are applied during onAttachedToWindow unless this is set to true.
`void`	`setInteractionEnabled(boolean enabled)` Enables (or disables) MotionLayout's onClick and onSwipe handling.
`void`	`setInterpolatedProgress(float pos)` Set the transition position between 0 an 1
`void`	`setOnHide(float progress)` Notify OnHide motion helpers
`void`	`setOnShow(float progress)` Notify OnShow motion helpers
`void`	`setProgress(float pos)` Set the transition position between 0 an 1
`void`	`setProgress(float pos, float velocity)` Set the transition position between 0 an 1
`void`	`setScene(MotionScene scene)` Sets a motion scene to the layout.
`void`	`setState(int id, int screenWidth, int screenHeight)` Set the State of the Constraint layout.
`void`	`setTransition(int transitionId)` Set a transition explicitly to a Transition that has an ID The transition must have been named with android:id=...
`void`	`setTransition(int beginId, int endId)` Set a transition explicitly between two constraint sets
`void`	`setTransitionDuration(int milliseconds)` Change the current Transition duration.
`void`	`setTransitionListener(MotionLayout.TransitionListener listener)` Set a listener to be notified of drawer events.
`void`	`setTransitionState(Bundle bundle)` Set the transition state as a bundle
`String`	`toString()`
`void`	`touchAnimateTo(int touchUpMode, float position, float currentVelocity)`
`void`	`touchSpringTo(float position, float currentVelocity)` Allows you to use trigger spring motion touch behaviour.
`void`	`transitionToEnd()` Animate to the ending position of the current transition.
`void`	`transitionToEnd(Runnable onComplete)` Animate to the ending position of the current transition.
`void`	`transitionToStart()` Animate to the starting position of the current transition.
`void`	`transitionToStart(Runnable onComplete)` Animate to the starting position of the current transition.
`void`	`transitionToState(int id)` Animate to the state defined by the id.
`void`	`transitionToState(int id, int duration)` Animate to the state defined by the id.
`void`	`transitionToState(int id, int screenWidth, int screenHeight)` Animate to the state defined by the id.
`void`	`transitionToState( int id, int screenWidth, int screenHeight, int duration )` Animate to the state defined by the id.
`void`	`updateState()` Not sure we want this
`void`	`updateState(int stateId, ConstraintSet set)` update a ConstraintSet under the id.
`void`	`updateStateAnimate(int stateId, ConstraintSet set, int duration)` Update a ConstraintSet but animate the change.
`void`	`viewTransition(int viewTransitionId, View[] view)` Execute a ViewTransition.

Protected methods
`void`	`dispatchDraw(Canvas canvas)` Used to draw debugging graphics and to do post layout changes
`void`	`fireTransitionCompleted()` This causes the callback TransitionCompleted to be called
`long`	`getNanoTime()` Subclasses can override to define testClasses
`MotionLayout.MotionTracker`	`obtainVelocityTracker()` Subclasses can override to build test frameworks
`void`	`onAttachedToWindow()`
`void`	`onLayout(boolean changed, int left, int top, int right, int bottom)`
`void`	`onMeasure(int widthMeasureSpec, int heightMeasureSpec)`
`void`	`parseLayoutDescription(int id)` block ConstraintLayout from handling layout description
`void`	`setTransition(MotionScene.Transition transition)`

Inherited Constants

From androidx.constraintlayout.widget.ConstraintLayout

`static final int`	`DESIGN_INFO_ID = 0`
`static final String`	`VERSION = "ConstraintLayout-2.2.0-alpha04"`

From android.view.View

`static final int`	`ACCESSIBILITY_DATA_SENSITIVE_AUTO = 0`
`static final int`	`ACCESSIBILITY_DATA_SENSITIVE_NO = 2`
`static final int`	`ACCESSIBILITY_DATA_SENSITIVE_YES = 1`
`static final int`	`ACCESSIBILITY_LIVE_REGION_ASSERTIVE = 2`
`static final int`	`ACCESSIBILITY_LIVE_REGION_NONE = 0`
`static final int`	`ACCESSIBILITY_LIVE_REGION_POLITE = 1`
`static final Property<View, Float>`	`ALPHA`
`static final int`	`AUTOFILL_FLAG_INCLUDE_NOT_IMPORTANT_VIEWS = 1`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DATE = "creditCardExpirationDate"`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DAY = "creditCardExpirationDay"`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_MONTH = "creditCardExpirationMonth"`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_YEAR = "creditCardExpirationYear"`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_NUMBER = "creditCardNumber"`
`static final String`	`AUTOFILL_HINT_CREDIT_CARD_SECURITY_CODE = "creditCardSecurityCode"`
`static final String`	`AUTOFILL_HINT_EMAIL_ADDRESS = "emailAddress"`
`static final String`	`AUTOFILL_HINT_NAME = "name"`
`static final String`	`AUTOFILL_HINT_PASSWORD = "password"`
`static final String`	`AUTOFILL_HINT_PHONE = "phone"`
`static final String`	`AUTOFILL_HINT_POSTAL_ADDRESS = "postalAddress"`
`static final String`	`AUTOFILL_HINT_POSTAL_CODE = "postalCode"`
`static final String`	`AUTOFILL_HINT_USERNAME = "username"`
`static final int`	`AUTOFILL_TYPE_DATE = 4`
`static final int`	`AUTOFILL_TYPE_LIST = 3`
`static final int`	`AUTOFILL_TYPE_NONE = 0`
`static final int`	`AUTOFILL_TYPE_TEXT = 1`
`static final int`	`AUTOFILL_TYPE_TOGGLE = 2`
`static final int`	`CONTENT_SENSITIVITY_AUTO = 0`
`static final int`	`CONTENT_SENSITIVITY_NOT_SENSITIVE = 2`
`static final int`	`CONTENT_SENSITIVITY_SENSITIVE = 1`
`static final int`	`DRAG_FLAG_ACCESSIBILITY_ACTION = 1024`
`static final int`	`DRAG_FLAG_GLOBAL = 256`
`static final int`	`DRAG_FLAG_GLOBAL_PERSISTABLE_URI_PERMISSION = 64`
`static final int`	`DRAG_FLAG_GLOBAL_PREFIX_URI_PERMISSION = 128`
`static final int`	`DRAG_FLAG_GLOBAL_SAME_APPLICATION = 4096`
`static final int`	`DRAG_FLAG_GLOBAL_URI_READ = 1`
`static final int`	`DRAG_FLAG_GLOBAL_URI_WRITE = 2`
`static final int`	`DRAG_FLAG_HIDE_CALLING_TASK_ON_DRAG_START = 16384`
`static final int`	`DRAG_FLAG_OPAQUE = 512`
`static final int`	`DRAG_FLAG_START_INTENT_SENDER_ON_UNHANDLED_DRAG = 8192`
`static final int`	`DRAWING_CACHE_QUALITY_AUTO = 0` This field is deprecated.
`static final int`	`DRAWING_CACHE_QUALITY_HIGH = 1048576` This field is deprecated.
`static final int`	`DRAWING_CACHE_QUALITY_LOW = 524288` This field is deprecated.
`static final int[]`	`EMPTY_STATE_SET`
`static final int[]`	`ENABLED_FOCUSED_SELECTED_STATE_SET`
`static final int[]`	`ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`ENABLED_FOCUSED_STATE_SET`
`static final int[]`	`ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`ENABLED_SELECTED_STATE_SET`
`static final int[]`	`ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`ENABLED_STATE_SET`
`static final int[]`	`ENABLED_WINDOW_FOCUSED_STATE_SET`
`static final int`	`FIND_VIEWS_WITH_CONTENT_DESCRIPTION = 2`
`static final int`	`FIND_VIEWS_WITH_TEXT = 1`
`static final int`	`FOCUSABLE = 1`
`static final int`	`FOCUSABLES_ALL = 0`
`static final int`	`FOCUSABLES_TOUCH_MODE = 1`
`static final int`	`FOCUSABLE_AUTO = 16`
`static final int[]`	`FOCUSED_SELECTED_STATE_SET`
`static final int[]`	`FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`FOCUSED_STATE_SET`
`static final int[]`	`FOCUSED_WINDOW_FOCUSED_STATE_SET`
`static final int`	`FOCUS_BACKWARD = 1`
`static final int`	`FOCUS_DOWN = 130`
`static final int`	`FOCUS_FORWARD = 2`
`static final int`	`FOCUS_LEFT = 17`
`static final int`	`FOCUS_RIGHT = 66`
`static final int`	`FOCUS_UP = 33`
`static final int`	`GONE = 8`
`static final int`	`HAPTIC_FEEDBACK_ENABLED = 268435456`
`static final int`	`IMPORTANT_FOR_ACCESSIBILITY_AUTO = 0`
`static final int`	`IMPORTANT_FOR_ACCESSIBILITY_NO = 2`
`static final int`	`IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS = 4`
`static final int`	`IMPORTANT_FOR_ACCESSIBILITY_YES = 1`
`static final int`	`IMPORTANT_FOR_AUTOFILL_AUTO = 0`
`static final int`	`IMPORTANT_FOR_AUTOFILL_NO = 2`
`static final int`	`IMPORTANT_FOR_AUTOFILL_NO_EXCLUDE_DESCENDANTS = 8`
`static final int`	`IMPORTANT_FOR_AUTOFILL_YES = 1`
`static final int`	`IMPORTANT_FOR_AUTOFILL_YES_EXCLUDE_DESCENDANTS = 4`
`static final int`	`IMPORTANT_FOR_CONTENT_CAPTURE_AUTO = 0`
`static final int`	`IMPORTANT_FOR_CONTENT_CAPTURE_NO = 2`
`static final int`	`IMPORTANT_FOR_CONTENT_CAPTURE_NO_EXCLUDE_DESCENDANTS = 8`
`static final int`	`IMPORTANT_FOR_CONTENT_CAPTURE_YES = 1`
`static final int`	`IMPORTANT_FOR_CONTENT_CAPTURE_YES_EXCLUDE_DESCENDANTS = 4`
`static final int`	`INVISIBLE = 4`
`static final int`	`KEEP_SCREEN_ON = 67108864`
`static final int`	`LAYER_TYPE_HARDWARE = 2`
`static final int`	`LAYER_TYPE_NONE = 0`
`static final int`	`LAYER_TYPE_SOFTWARE = 1`
`static final int`	`LAYOUT_DIRECTION_INHERIT = 2`
`static final int`	`LAYOUT_DIRECTION_LOCALE = 3`
`static final int`	`LAYOUT_DIRECTION_LTR = 0`
`static final int`	`LAYOUT_DIRECTION_RTL = 1`
`static final int`	`MEASURED_HEIGHT_STATE_SHIFT = 16`
`static final int`	`MEASURED_SIZE_MASK = 16777215`
`static final int`	`MEASURED_STATE_MASK = -16777216`
`static final int`	`MEASURED_STATE_TOO_SMALL = 16777216`
`static final int`	`NOT_FOCUSABLE = 0`
`static final int`	`NO_ID = -1`
`static final int`	`OVER_SCROLL_ALWAYS = 0`
`static final int`	`OVER_SCROLL_IF_CONTENT_SCROLLS = 1`
`static final int`	`OVER_SCROLL_NEVER = 2`
`static final int[]`	`PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_SELECTED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_STATE_SET`
`static final int[]`	`PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_FOCUSED_SELECTED_STATE_SET`
`static final int[]`	`PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_SELECTED_STATE_SET`
`static final int[]`	`PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int[]`	`PRESSED_STATE_SET`
`static final int[]`	`PRESSED_WINDOW_FOCUSED_STATE_SET`
`static final float`	`REQUESTED_FRAME_RATE_CATEGORY_DEFAULT`
`static final float`	`REQUESTED_FRAME_RATE_CATEGORY_HIGH = -4.0f`
`static final float`	`REQUESTED_FRAME_RATE_CATEGORY_LOW = -2.0f`
`static final float`	`REQUESTED_FRAME_RATE_CATEGORY_NORMAL = -3.0f`
`static final float`	`REQUESTED_FRAME_RATE_CATEGORY_NO_PREFERENCE = -1.0f`
`static final Property<View, Float>`	`ROTATION`
`static final Property<View, Float>`	`ROTATION_X`
`static final Property<View, Float>`	`ROTATION_Y`
`static final Property<View, Float>`	`SCALE_X`
`static final Property<View, Float>`	`SCALE_Y`
`static final int`	`SCREEN_STATE_OFF = 0`
`static final int`	`SCREEN_STATE_ON = 1`
`static final int`	`SCROLLBARS_INSIDE_INSET = 16777216`
`static final int`	`SCROLLBARS_INSIDE_OVERLAY = 0`
`static final int`	`SCROLLBARS_OUTSIDE_INSET = 50331648`
`static final int`	`SCROLLBARS_OUTSIDE_OVERLAY = 33554432`
`static final int`	`SCROLLBAR_POSITION_DEFAULT = 0`
`static final int`	`SCROLLBAR_POSITION_LEFT = 1`
`static final int`	`SCROLLBAR_POSITION_RIGHT = 2`
`static final int`	`SCROLL_AXIS_HORIZONTAL = 1`
`static final int`	`SCROLL_AXIS_NONE = 0`
`static final int`	`SCROLL_AXIS_VERTICAL = 2`
`static final int`	`SCROLL_CAPTURE_HINT_AUTO = 0`
`static final int`	`SCROLL_CAPTURE_HINT_EXCLUDE = 1`
`static final int`	`SCROLL_CAPTURE_HINT_EXCLUDE_DESCENDANTS = 4`
`static final int`	`SCROLL_CAPTURE_HINT_INCLUDE = 2`
`static final int`	`SCROLL_INDICATOR_BOTTOM = 2`
`static final int`	`SCROLL_INDICATOR_END = 32`
`static final int`	`SCROLL_INDICATOR_LEFT = 4`
`static final int`	`SCROLL_INDICATOR_RIGHT = 8`
`static final int`	`SCROLL_INDICATOR_START = 16`
`static final int`	`SCROLL_INDICATOR_TOP = 1`
`static final int[]`	`SELECTED_STATE_SET`
`static final int[]`	`SELECTED_WINDOW_FOCUSED_STATE_SET`
`static final int`	`SOUND_EFFECTS_ENABLED = 134217728`
`static final int`	`STATUS_BAR_HIDDEN = 1` This field is deprecated.
`static final int`	`STATUS_BAR_VISIBLE = 0` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_FULLSCREEN = 4` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_HIDE_NAVIGATION = 2` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_IMMERSIVE = 2048` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_IMMERSIVE_STICKY = 4096` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN = 1024` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION = 512` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LAYOUT_STABLE = 256` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR = 16` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LIGHT_STATUS_BAR = 8192` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_LOW_PROFILE = 1` This field is deprecated.
`static final int`	`SYSTEM_UI_FLAG_VISIBLE = 0` This field is deprecated.
`static final int`	`SYSTEM_UI_LAYOUT_FLAGS = 1536` This field is deprecated.
`static final int`	`TEXT_ALIGNMENT_CENTER = 4`
`static final int`	`TEXT_ALIGNMENT_GRAVITY = 1`
`static final int`	`TEXT_ALIGNMENT_INHERIT = 0`
`static final int`	`TEXT_ALIGNMENT_TEXT_END = 3`
`static final int`	`TEXT_ALIGNMENT_TEXT_START = 2`
`static final int`	`TEXT_ALIGNMENT_VIEW_END = 6`
`static final int`	`TEXT_ALIGNMENT_VIEW_START = 5`
`static final int`	`TEXT_DIRECTION_ANY_RTL = 2`
`static final int`	`TEXT_DIRECTION_FIRST_STRONG = 1`
`static final int`	`TEXT_DIRECTION_FIRST_STRONG_LTR = 6`
`static final int`	`TEXT_DIRECTION_FIRST_STRONG_RTL = 7`
`static final int`	`TEXT_DIRECTION_INHERIT = 0`
`static final int`	`TEXT_DIRECTION_LOCALE = 5`
`static final int`	`TEXT_DIRECTION_LTR = 3`
`static final int`	`TEXT_DIRECTION_RTL = 4`
`static final Property<View, Float>`	`TRANSLATION_X`
`static final Property<View, Float>`	`TRANSLATION_Y`
`static final Property<View, Float>`	`TRANSLATION_Z`
`static final String`	`VIEW_LOG_TAG = "View"`
`static final int`	`VISIBLE = 0`
`static final int[]`	`WINDOW_FOCUSED_STATE_SET`
`static final Property<View, Float>`	`X`
`static final Property<View, Float>`	`Y`
`static final Property<View, Float>`	`Z`

From android.view.ViewGroup

`static final int`	`CLIP_TO_PADDING_MASK = 34`
`static final int`	`FOCUS_AFTER_DESCENDANTS = 262144`
`static final int`	`FOCUS_BEFORE_DESCENDANTS = 131072`
`static final int`	`FOCUS_BLOCK_DESCENDANTS = 393216`
`static final int`	`LAYOUT_MODE_CLIP_BOUNDS = 0`
`static final int`	`LAYOUT_MODE_OPTICAL_BOUNDS = 1`
`static final int`	`PERSISTENT_ALL_CACHES = 3` This field is deprecated.
`static final int`	`PERSISTENT_ANIMATION_CACHE = 1` This field is deprecated.
`static final int`	`PERSISTENT_NO_CACHE = 0` This field is deprecated.
`static final int`	`PERSISTENT_SCROLLING_CACHE = 2` This field is deprecated.

Inherited fields

From androidx.constraintlayout.widget.ConstraintLayout

`ConstraintLayoutStates`	`mConstraintLayoutSpec`
`boolean`	`mDirtyHierarchy`
`ConstraintWidgetContainer`	`mLayoutWidget`

Inherited methods

From androidx.constraintlayout.widget.ConstraintLayout

`void`	`addValueModifier(ConstraintLayout.ValueModifier modifier)` a ValueModify to the ConstraintLayout.
`void`	`applyConstraintsFromLayoutParams( boolean isInEditMode, View child, ConstraintWidget widget, ConstraintLayout.LayoutParams layoutParams, SparseArray<ConstraintWidget> idToWidget )`
`boolean`	`checkLayoutParams(ViewGroup.LayoutParams p)`
`boolean`	`dynamicUpdateConstraints(int widthMeasureSpec, int heightMeasureSpec)` This can be overridden to change the way Modifiers are used.
`void`	`fillMetrics(Metrics metrics)`
`void`	`forceLayout()`
`ConstraintLayout.LayoutParams`	`generateDefaultLayoutParams()`
`ConstraintLayout.LayoutParams`	`generateLayoutParams(AttributeSet attrs)`
`ViewGroup.LayoutParams`	`generateLayoutParams(ViewGroup.LayoutParams p)`
`Object`	`getDesignInformation(int type, Object value)`
`int`	`getMaxHeight()` The maximum height of this view.
`int`	`getMaxWidth()`
`int`	`getMinHeight()` The minimum height of this view.
`int`	`getMinWidth()` The minimum width of this view.
`int`	`getOptimizationLevel()` Return the current optimization level for the layout resolution
`String`	`getSceneString()` Returns a JSON5 string useful for debugging the constraints actually applied.
`static SharedValues`	`getSharedValues()` Returns the SharedValues instance, creating it if it doesn't exist.
`View`	`getViewById(int id)`
`final ConstraintWidget`	`getViewWidget(View view)`
`boolean`	`isRtl()`
`void`	`resolveMeasuredDimension( int widthMeasureSpec, int heightMeasureSpec, int measuredWidth, int measuredHeight, boolean isWidthMeasuredTooSmall, boolean isHeightMeasuredTooSmall )` Handles calling setMeasuredDimension()
`void`	`resolveSystem( ConstraintWidgetContainer layout, int optimizationLevel, int widthMeasureSpec, int heightMeasureSpec )` Handles measuring a layout
`void`	`setConstraintSet(ConstraintSet set)` Sets a ConstraintSet object to manage constraints.
`void`	`setDesignInformation(int type, Object value1, Object value2)`
`void`	`setId(int id)`
`void`	`setMaxHeight(int value)` Set the max height for this view
`void`	`setMaxWidth(int value)` Set the max width for this view
`void`	`setMinHeight(int value)` Set the min height for this view
`void`	`setMinWidth(int value)` Set the min width for this view
`void`	`setOnConstraintsChanged( ConstraintsChangedListener constraintsChangedListener )` Notify of constraints changed
`void`	`setOptimizationLevel(int level)` Set the optimization for the layout resolution.
`void`	`setSelfDimensionBehaviour( ConstraintWidgetContainer layout, int widthMode, int widthSize, int heightMode, int heightSize )`
`boolean`	`shouldDelayChildPressedState()`

From androidx.core.view.NestedScrollingParent

`abstract int`	`getNestedScrollAxes()` Return the current axes of nested scrolling for this NestedScrollingParent.
`abstract void`	`onNestedPreScroll( @NonNull View target, int dx, int dy, @NonNull int[] consumed )` React to a nested scroll in progress before the target view consumes a portion of the scroll.
`abstract void`	`onNestedScroll( @NonNull View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed )` React to a nested scroll in progress.
`abstract void`	`onNestedScrollAccepted(@NonNull View child, @NonNull View target, int axes)` React to the successful claiming of a nested scroll operation.
`abstract boolean`	`onStartNestedScroll(@NonNull View child, @NonNull View target, int axes)` React to a descendant view initiating a nestable scroll operation, claiming the nested scroll operation if appropriate.
`abstract void`	`onStopNestedScroll(@NonNull View target)` React to a nested scroll operation ending.

From android.view.View

`void`	`addOnAttachStateChangeListener( View.OnAttachStateChangeListener listener )`
`void`	`addOnLayoutChangeListener(View.OnLayoutChangeListener listener)`
`void`	`addOnUnhandledKeyEventListener( View.OnUnhandledKeyEventListener listener )`
`ViewPropertyAnimator`	`animate()`
`void`	`announceForAccessibility(CharSequence text)` This method is deprecated.
`void`	`autofill(SparseArray<AutofillValue> values)`
`boolean`	`awakenScrollBars()`
`void`	`bringToFront()`
`void`	`buildDrawingCache()` This method is deprecated.
`void`	`buildLayer()`
`boolean`	`callOnClick()`
`boolean`	`canResolveLayoutDirection()`
`boolean`	`canResolveTextAlignment()`
`boolean`	`canResolveTextDirection()`
`boolean`	`canScrollHorizontally(int direction)`
`boolean`	`canScrollVertically(int direction)`
`final void`	`cancelDragAndDrop()`
`void`	`cancelLongPress()`
`final void`	`cancelPendingInputEvents()`
`boolean`	`checkInputConnectionProxy(View view)`
`void`	`clearAnimation()`
`void`	`clearPendingCredentialRequest()`
`void`	`clearViewTranslationCallback()`
`static int`	`combineMeasuredStates(int curState, int newState)`
`int`	`computeHorizontalScrollExtent()`
`int`	`computeHorizontalScrollOffset()`
`int`	`computeHorizontalScrollRange()`
`void`	`computeScroll()`
`WindowInsets`	`computeSystemWindowInsets(WindowInsets in, Rect outLocalInsets)`
`int`	`computeVerticalScrollExtent()`
`int`	`computeVerticalScrollOffset()`
`int`	`computeVerticalScrollRange()`
`AccessibilityNodeInfo`	`createAccessibilityNodeInfo()`
`void`	`createContextMenu(ContextMenu menu)`
`void`	`destroyDrawingCache()` This method is deprecated.
`boolean`	`dispatchGenericMotionEvent(MotionEvent event)`
`boolean`	`dispatchNestedFling(float velocityX, float velocityY, boolean consumed)`
`boolean`	`dispatchNestedPreFling(float velocityX, float velocityY)`
`boolean`	`dispatchNestedPrePerformAccessibilityAction( int action, Bundle arguments )`
`boolean`	`dispatchNestedPreScroll( int dx, int dy, int[] consumed, int[] offsetInWindow )`
`boolean`	`dispatchNestedScroll( int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow )`
`boolean`	`dispatchPopulateAccessibilityEvent(AccessibilityEvent event)`
`void`	`draw(Canvas canvas)`
`void`	`drawableHotspotChanged(float x, float y)`
`final OnBackInvokedDispatcher`	`findOnBackInvokedDispatcher()`
`final T`	`<T extends View> findViewById(int id)`
`final T`	`<T extends View> findViewWithTag(Object tag)`
`boolean`	`fitSystemWindows(Rect insets)` This method is deprecated.
`void`	`forceHasOverlappingRendering(boolean hasOverlappingRendering)`
`void`	`forceLayout()`
`void`	`generateDisplayHash( String hashAlgorithm, Rect bounds, Executor executor, DisplayHashResultCallback callback )`
`static int`	`generateViewId()`
`View.AccessibilityDelegate`	`getAccessibilityDelegate()`
`int`	`getAccessibilityLiveRegion()`
`AccessibilityNodeProvider`	`getAccessibilityNodeProvider()`
`CharSequence`	`getAccessibilityPaneTitle()`
`int`	`getAccessibilityTraversalAfter()`
`int`	`getAccessibilityTraversalBefore()`
`String`	`getAllowedHandwritingDelegatePackageName()`
`String`	`getAllowedHandwritingDelegatorPackageName()`
`float`	`getAlpha()`
`Animation`	`getAnimation()`
`Matrix`	`getAnimationMatrix()`
`IBinder`	`getApplicationWindowToken()`
`int[]`	`getAttributeResolutionStack(int attribute)`
`Map<Integer, Integer>`	`getAttributeSourceResourceMap()`
`String[]`	`getAutofillHints()`
`final AutofillId`	`getAutofillId()`
`int`	`getAutofillType()`
`AutofillValue`	`getAutofillValue()`
`Drawable`	`getBackground()`
`BlendMode`	`getBackgroundTintBlendMode()`
`ColorStateList`	`getBackgroundTintList()`
`PorterDuff.Mode`	`getBackgroundTintMode()`
`int`	`getBaseline()`
`final int`	`getBottom()`
`float`	`getBottomFadingEdgeStrength()`
`int`	`getBottomPaddingOffset()`
`float`	`getCameraDistance()`
`Rect`	`getClipBounds()`
`boolean`	`getClipBounds(Rect outRect)`
`final boolean`	`getClipToOutline()`
`final ContentCaptureSession`	`getContentCaptureSession()`
`CharSequence`	`getContentDescription()`
`final int`	`getContentSensitivity()`
`final Context`	`getContext()`
`ContextMenu.ContextMenuInfo`	`getContextMenuInfo()`
`final boolean`	`getDefaultFocusHighlightEnabled()`
`static int`	`getDefaultSize(int size, int measureSpec)`
`Display`	`getDisplay()`
`final int[]`	`getDrawableState()`
`Bitmap`	`getDrawingCache()` This method is deprecated.
`int`	`getDrawingCacheBackgroundColor()` This method is deprecated.
`int`	`getDrawingCacheQuality()` This method is deprecated.
`void`	`getDrawingRect(Rect outRect)`
`long`	`getDrawingTime()`
`float`	`getElevation()`
`int`	`getExplicitStyle()`
`boolean`	`getFilterTouchesWhenObscured()`
`boolean`	`getFitsSystemWindows()`
`int`	`getFocusable()`
`ArrayList<View>`	`getFocusables(int direction)`
`void`	`getFocusedRect(Rect r)`
`Drawable`	`getForeground()`
`int`	`getForegroundGravity()`
`BlendMode`	`getForegroundTintBlendMode()`
`ColorStateList`	`getForegroundTintList()`
`PorterDuff.Mode`	`getForegroundTintMode()`
`float`	`getFrameContentVelocity()`
`final boolean`	`getGlobalVisibleRect(Rect r)`
`Handler`	`getHandler()`
`float`	`getHandwritingBoundsOffsetBottom()`
`float`	`getHandwritingBoundsOffsetLeft()`
`float`	`getHandwritingBoundsOffsetRight()`
`float`	`getHandwritingBoundsOffsetTop()`
`int`	`getHandwritingDelegateFlags()`
`Runnable`	`getHandwritingDelegatorCallback()`
`final boolean`	`getHasOverlappingRendering()`
`final int`	`getHeight()`
`void`	`getHitRect(Rect outRect)`
`int`	`getHorizontalFadingEdgeLength()`
`int`	`getHorizontalScrollbarHeight()`
`Drawable`	`getHorizontalScrollbarThumbDrawable()`
`Drawable`	`getHorizontalScrollbarTrackDrawable()`
`int`	`getId()`
`int`	`getImportantForAccessibility()`
`int`	`getImportantForAutofill()`
`int`	`getImportantForContentCapture()`
`boolean`	`getKeepScreenOn()`
`KeyEvent.DispatcherState`	`getKeyDispatcherState()`
`int`	`getLabelFor()`
`int`	`getLayerType()`
`int`	`getLayoutDirection()`
`ViewGroup.LayoutParams`	`getLayoutParams()`
`final int`	`getLeft()`
`float`	`getLeftFadingEdgeStrength()`
`int`	`getLeftPaddingOffset()`
`final boolean`	`getLocalVisibleRect(Rect r)`
`void`	`getLocationInSurface(int[] location)`
`void`	`getLocationInWindow(int[] outLocation)`
`void`	`getLocationOnScreen(int[] outLocation)`
`Matrix`	`getMatrix()`
`final int`	`getMeasuredHeight()`
`final int`	`getMeasuredHeightAndState()`
`final int`	`getMeasuredState()`
`final int`	`getMeasuredWidth()`
`final int`	`getMeasuredWidthAndState()`
`int`	`getMinimumHeight()`
`int`	`getMinimumWidth()`
`int`	`getNextClusterForwardId()`
`int`	`getNextFocusDownId()`
`int`	`getNextFocusForwardId()`
`int`	`getNextFocusLeftId()`
`int`	`getNextFocusRightId()`
`int`	`getNextFocusUpId()`
`View.OnFocusChangeListener`	`getOnFocusChangeListener()`
`int`	`getOutlineAmbientShadowColor()`
`ViewOutlineProvider`	`getOutlineProvider()`
`int`	`getOutlineSpotShadowColor()`
`int`	`getOverScrollMode()`
`ViewOverlay`	`getOverlay()`
`int`	`getPaddingBottom()`
`int`	`getPaddingEnd()`
`int`	`getPaddingLeft()`
`int`	`getPaddingRight()`
`int`	`getPaddingStart()`
`int`	`getPaddingTop()`
`final ViewParent`	`getParent()`
`ViewParent`	`getParentForAccessibility()`
`final OutcomeReceiver<GetCredentialResponse, GetCredentialException>`	`getPendingCredentialCallback()`
`final GetCredentialRequest`	`getPendingCredentialRequest()`
`float`	`getPivotX()`
`float`	`getPivotY()`
`PointerIcon`	`getPointerIcon()`
`final List<Rect>`	`getPreferKeepClearRects()`
`String[]`	`getReceiveContentMimeTypes()`
`float`	`getRequestedFrameRate()`
`Resources`	`getResources()`
`final boolean`	`getRevealOnFocusHint()`
`final int`	`getRight()`
`float`	`getRightFadingEdgeStrength()`
`int`	`getRightPaddingOffset()`
`AttachedSurfaceControl`	`getRootSurfaceControl()`
`View`	`getRootView()`
`WindowInsets`	`getRootWindowInsets()`
`float`	`getRotation()`
`float`	`getRotationX()`
`float`	`getRotationY()`
`float`	`getScaleX()`
`float`	`getScaleY()`
`int`	`getScrollBarDefaultDelayBeforeFade()`
`int`	`getScrollBarFadeDuration()`
`int`	`getScrollBarSize()`
`int`	`getScrollBarStyle()`
`int`	`getScrollCaptureHint()`
`int`	`getScrollIndicators()`
`final int`	`getScrollX()`
`final int`	`getScrollY()`
`int`	`getSolidColor()`
`int`	`getSourceLayoutResId()`
`final CharSequence`	`getStateDescription()`
`StateListAnimator`	`getStateListAnimator()`
`int`	`getSuggestedMinimumHeight()`
`int`	`getSuggestedMinimumWidth()`
`CharSequence`	`getSupplementalDescription()`
`List<Rect>`	`getSystemGestureExclusionRects()`
`int`	`getSystemUiVisibility()` This method is deprecated.
`Object`	`getTag()`
`int`	`getTextAlignment()`
`int`	`getTextDirection()`
`CharSequence`	`getTooltipText()`
`final int`	`getTop()`
`float`	`getTopFadingEdgeStrength()`
`int`	`getTopPaddingOffset()`
`TouchDelegate`	`getTouchDelegate()`
`ArrayList<View>`	`getTouchables()`
`float`	`getTransitionAlpha()`
`String`	`getTransitionName()`
`float`	`getTranslationX()`
`float`	`getTranslationY()`
`float`	`getTranslationZ()`
`long`	`getUniqueDrawingId()`
`int`	`getVerticalFadingEdgeLength()`
`int`	`getVerticalScrollbarPosition()`
`Drawable`	`getVerticalScrollbarThumbDrawable()`
`Drawable`	`getVerticalScrollbarTrackDrawable()`
`int`	`getVerticalScrollbarWidth()`
`ViewTranslationResponse`	`getViewTranslationResponse()`
`ViewTreeObserver`	`getViewTreeObserver()`
`int`	`getVisibility()`
`final int`	`getWidth()`
`int`	`getWindowAttachCount()`
`WindowId`	`getWindowId()`
`WindowInsetsController`	`getWindowInsetsController()`
`int`	`getWindowSystemUiVisibility()` This method is deprecated.
`IBinder`	`getWindowToken()`
`int`	`getWindowVisibility()`
`void`	`getWindowVisibleDisplayFrame(Rect outRect)`
`float`	`getX()`
`float`	`getY()`
`float`	`getZ()`
`boolean`	`hasExplicitFocusable()`
`boolean`	`hasFocusable()`
`boolean`	`hasNestedScrollingParent()`
`boolean`	`hasOnClickListeners()`
`boolean`	`hasOnLongClickListeners()`
`boolean`	`hasOverlappingRendering()`
`boolean`	`hasPointerCapture()`
`boolean`	`hasWindowFocus()`
`static View`	`inflate(Context context, int resource, ViewGroup root)`
`void`	`invalidate()`
`void`	`invalidateDrawable(Drawable drawable)`
`void`	`invalidateOutline()`
`boolean`	`isAccessibilityDataSensitive()`
`boolean`	`isAccessibilityFocused()`
`boolean`	`isAccessibilityHeading()`
`boolean`	`isActivated()`
`boolean`	`isAttachedToWindow()`
`boolean`	`isAutoHandwritingEnabled()`
`boolean`	`isClickable()`
`final boolean`	`isContentSensitive()`
`boolean`	`isContextClickable()`
`boolean`	`isCredential()`
`boolean`	`isDirty()`
`boolean`	`isDrawingCacheEnabled()` This method is deprecated.
`boolean`	`isDuplicateParentStateEnabled()`
`boolean`	`isEnabled()`
`final boolean`	`isFocusable()`
`final boolean`	`isFocusableInTouchMode()`
`boolean`	`isFocused()`
`final boolean`	`isFocusedByDefault()`
`boolean`	`isForceDarkAllowed()`
`boolean`	`isHandwritingDelegate()`
`boolean`	`isHapticFeedbackEnabled()`
`boolean`	`isHardwareAccelerated()`
`boolean`	`isHorizontalFadingEdgeEnabled()`
`boolean`	`isHorizontalScrollBarEnabled()`
`boolean`	`isHovered()`
`boolean`	`isImportantForAccessibility()`
`final boolean`	`isImportantForAutofill()`
`final boolean`	`isImportantForContentCapture()`
`boolean`	`isInEditMode()`
`boolean`	`isInLayout()`
`boolean`	`isInTouchMode()`
`final boolean`	`isKeyboardNavigationCluster()`
`boolean`	`isLaidOut()`
`boolean`	`isLayoutDirectionResolved()`
`boolean`	`isLayoutRequested()`
`boolean`	`isLongClickable()`
`boolean`	`isNestedScrollingEnabled()`
`boolean`	`isOpaque()`
`boolean`	`isPaddingOffsetRequired()`
`boolean`	`isPaddingRelative()`
`boolean`	`isPivotSet()`
`final boolean`	`isPreferKeepClear()`
`boolean`	`isPressed()`
`boolean`	`isSaveEnabled()`
`boolean`	`isSaveFromParentEnabled()`
`boolean`	`isScreenReaderFocusable()`
`boolean`	`isScrollContainer()`
`boolean`	`isScrollbarFadingEnabled()`
`boolean`	`isSelected()`
`final boolean`	`isShowingLayoutBounds()`
`boolean`	`isShown()`
`boolean`	`isSoundEffectsEnabled()`
`final boolean`	`isTemporarilyDetached()`
`boolean`	`isTextAlignmentResolved()`
`boolean`	`isTextDirectionResolved()`
`boolean`	`isVerticalFadingEdgeEnabled()`
`boolean`	`isVerticalScrollBarEnabled()`
`boolean`	`isVisibleToUserForAutofill(int virtualId)`
`View`	`keyboardNavigationClusterSearch(View currentCluster, int direction)`
`final void`	`measure(int widthMeasureSpec, int heightMeasureSpec)`
`static int[]`	`mergeDrawableStates(int[] baseState, int[] additionalState)`
`void`	`offsetLeftAndRight(int offset)`
`void`	`offsetTopAndBottom(int offset)`
`void`	`onAnimationEnd()`
`void`	`onAnimationStart()`
`WindowInsets`	`onApplyWindowInsets(WindowInsets insets)`
`void`	`onCancelPendingInputEvents()`
`boolean`	`onCapturedPointerEvent(MotionEvent event)`
`boolean`	`onCheckIsTextEditor()`
`void`	`onConfigurationChanged(Configuration newConfig)`
`void`	`onCreateContextMenu(ContextMenu menu)`
`InputConnection`	`onCreateInputConnection(EditorInfo outAttrs)`
`void`	`onCreateViewTranslationRequest( int[] supportedFormats, Consumer<ViewTranslationRequest> requestsCollector )`
`void`	`onCreateVirtualViewTranslationRequests( long[] virtualIds, int[] supportedFormats, Consumer<ViewTranslationRequest> requestsCollector )`
`void`	`onDisplayHint(int hint)`
`boolean`	`onDragEvent(DragEvent event)`
`void`	`onDraw(Canvas canvas)`
`void`	`onDrawForeground(Canvas canvas)`
`final void`	`onDrawScrollBars(Canvas canvas)`
`boolean`	`onFilterTouchEventForSecurity(MotionEvent event)`
`void`	`onFinishInflate()`
`void`	`onFinishTemporaryDetach()`
`void`	`onFocusChanged( boolean gainFocus, int direction, Rect previouslyFocusedRect )`
`boolean`	`onGenericMotionEvent(MotionEvent event)`
`void`	`onHoverChanged(boolean hovered)`
`boolean`	`onHoverEvent(MotionEvent event)`
`void`	`onInitializeAccessibilityEvent(AccessibilityEvent event)`
`void`	`onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)`
`boolean`	`onKeyDown(int keyCode, KeyEvent event)`
`boolean`	`onKeyLongPress(int keyCode, KeyEvent event)`
`boolean`	`onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)`
`boolean`	`onKeyPreIme(int keyCode, KeyEvent event)`
`boolean`	`onKeyShortcut(int keyCode, KeyEvent event)`
`boolean`	`onKeyUp(int keyCode, KeyEvent event)`
`void`	`onMeasure(int widthMeasureSpec, int heightMeasureSpec)`
`void`	`onOverScrolled( int scrollX, int scrollY, boolean clampedX, boolean clampedY )`
`void`	`onPointerCaptureChange(boolean hasCapture)`
`void`	`onPopulateAccessibilityEvent(AccessibilityEvent event)`
`void`	`onProvideAutofillStructure(ViewStructure structure, int flags)`
`void`	`onProvideAutofillVirtualStructure(ViewStructure structure, int flags)`
`void`	`onProvideContentCaptureStructure(ViewStructure structure, int flags)`
`void`	`onProvideStructure(ViewStructure structure)`
`void`	`onProvideVirtualStructure(ViewStructure structure)`
`ContentInfo`	`onReceiveContent(ContentInfo payload)`
`void`	`onRestoreInstanceState(Parcelable state)`
`Parcelable`	`onSaveInstanceState()`
`void`	`onScreenStateChanged(int screenState)`
`void`	`onScrollCaptureSearch( Rect localVisibleRect, Point windowOffset, Consumer<ScrollCaptureTarget> targets )`
`void`	`onScrollChanged(int l, int t, int oldl, int oldt)`
`boolean`	`onSetAlpha(int alpha)`
`void`	`onSizeChanged(int w, int h, int oldw, int oldh)`
`void`	`onStartTemporaryDetach()`
`boolean`	`onTrackballEvent(MotionEvent event)`
`void`	`onViewTranslationResponse(ViewTranslationResponse response)`
`void`	`onVirtualViewTranslationResponses( LongSparseArray<ViewTranslationResponse> response )`
`void`	`onVisibilityAggregated(boolean isVisible)`
`void`	`onVisibilityChanged(View changedView, int visibility)`
`void`	`onWindowFocusChanged(boolean hasWindowFocus)`
`void`	`onWindowSystemUiVisibilityChanged(int visible)` This method is deprecated.
`void`	`onWindowVisibilityChanged(int visibility)`
`boolean`	`overScrollBy( int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY, int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent )`
`boolean`	`performAccessibilityAction(int action, Bundle arguments)`
`boolean`	`performClick()`
`boolean`	`performContextClick()`
`boolean`	`performHapticFeedback(int feedbackConstant)`
`boolean`	`performLongClick()`
`ContentInfo`	`performReceiveContent(ContentInfo payload)`
`void`	`playSoundEffect(int soundConstant)`
`boolean`	`post(Runnable action)`
`boolean`	`postDelayed(Runnable action, long delayMillis)`
`void`	`postInvalidate()`
`void`	`postInvalidateDelayed(long delayMilliseconds)`
`void`	`postInvalidateOnAnimation()`
`void`	`postOnAnimation(Runnable action)`
`void`	`postOnAnimationDelayed(Runnable action, long delayMillis)`
`void`	`refreshDrawableState()`
`void`	`releasePointerCapture()`
`boolean`	`removeCallbacks(Runnable action)`
`void`	`removeOnAttachStateChangeListener( View.OnAttachStateChangeListener listener )`
`void`	`removeOnLayoutChangeListener(View.OnLayoutChangeListener listener)`
`void`	`removeOnUnhandledKeyEventListener( View.OnUnhandledKeyEventListener listener )`
`void`	`reportAppJankStats(AppJankStats appJankStats)`
`void`	`requestApplyInsets()`
`void`	`requestFitSystemWindows()` This method is deprecated.
`final boolean`	`requestFocusFromTouch()`
`void`	`requestLayout()`
`void`	`requestPointerCapture()`
`boolean`	`requestRectangleOnScreen(Rect rectangle)`
`final void`	`requestUnbufferedDispatch(MotionEvent event)`
`final T`	`<T extends View> requireViewById(int id)`
`void`	`resetPivot()`
`static int`	`resolveSize(int size, int measureSpec)`
`static int`	`resolveSizeAndState(int size, int measureSpec, int childMeasuredState)`
`void`	`restoreHierarchyState(SparseArray<Parcelable> container)`
`final void`	`saveAttributeDataForStyleable( Context context, int[] styleable, AttributeSet attrs, TypedArray t, int defStyleAttr, int defStyleRes )`
`void`	`saveHierarchyState(SparseArray<Parcelable> container)`
`void`	`scheduleDrawable(Drawable who, Runnable what, long when)`
`void`	`scrollBy(int x, int y)`
`void`	`scrollTo(int x, int y)`
`void`	`sendAccessibilityEvent(int eventType)`
`void`	`sendAccessibilityEventUnchecked(AccessibilityEvent event)`
`void`	`setAccessibilityDataSensitive(int accessibilityDataSensitive)`
`void`	`setAccessibilityDelegate(View.AccessibilityDelegate delegate)`
`void`	`setAccessibilityHeading(boolean isHeading)`
`void`	`setAccessibilityLiveRegion(int mode)`
`void`	`setAccessibilityPaneTitle(CharSequence accessibilityPaneTitle)`
`void`	`setAccessibilityTraversalAfter(int afterId)`
`void`	`setAccessibilityTraversalBefore(int beforeId)`
`void`	`setActivated(boolean activated)`
`void`	`setAllowClickWhenDisabled(boolean clickableWhenDisabled)`
`void`	`setAllowedHandwritingDelegatePackage(String allowedPackageName)`
`void`	`setAllowedHandwritingDelegatorPackage(String allowedPackageName)`
`void`	`setAlpha(float alpha)`
`void`	`setAnimation(Animation animation)`
`void`	`setAnimationMatrix(Matrix matrix)`
`void`	`setAutoHandwritingEnabled(boolean enabled)`
`void`	`setAutofillHints(String[] autofillHints)`
`void`	`setAutofillId(AutofillId id)`
`void`	`setBackground(Drawable background)`
`void`	`setBackgroundColor(int color)`
`void`	`setBackgroundDrawable(Drawable background)` This method is deprecated.
`void`	`setBackgroundResource(int resid)`
`void`	`setBackgroundTintBlendMode(BlendMode blendMode)`
`void`	`setBackgroundTintList(ColorStateList tint)`
`void`	`setBackgroundTintMode(PorterDuff.Mode tintMode)`
`final void`	`setBottom(int bottom)`
`void`	`setCameraDistance(float distance)`
`void`	`setClickable(boolean clickable)`
`void`	`setClipBounds(Rect clipBounds)`
`void`	`setClipToOutline(boolean clipToOutline)`
`void`	`setContentCaptureSession(ContentCaptureSession contentCaptureSession)`
`void`	`setContentDescription(CharSequence contentDescription)`
`final void`	`setContentSensitivity(int mode)`
`void`	`setContextClickable(boolean contextClickable)`
`void`	`setDefaultFocusHighlightEnabled(boolean defaultFocusHighlightEnabled)`
`void`	`setDrawingCacheBackgroundColor(int color)` This method is deprecated.
`void`	`setDrawingCacheEnabled(boolean enabled)` This method is deprecated.
`void`	`setDrawingCacheQuality(int quality)` This method is deprecated.
`void`	`setDuplicateParentStateEnabled(boolean enabled)`
`void`	`setElevation(float elevation)`
`void`	`setEnabled(boolean enabled)`
`void`	`setFadingEdgeLength(int length)`
`void`	`setFilterTouchesWhenObscured(boolean enabled)`
`void`	`setFitsSystemWindows(boolean fitSystemWindows)`
`void`	`setFocusable(boolean focusable)`
`void`	`setFocusableInTouchMode(boolean focusableInTouchMode)`
`void`	`setFocusedByDefault(boolean isFocusedByDefault)`
`void`	`setForceDarkAllowed(boolean allow)`
`void`	`setForeground(Drawable foreground)`
`void`	`setForegroundGravity(int gravity)`
`void`	`setForegroundTintBlendMode(BlendMode blendMode)`
`void`	`setForegroundTintList(ColorStateList tint)`
`void`	`setForegroundTintMode(PorterDuff.Mode tintMode)`
`void`	`setFrameContentVelocity(float pixelsPerSecond)`
`void`	`setHandwritingBoundsOffsets( float offsetLeft, float offsetTop, float offsetRight, float offsetBottom )`
`void`	`setHandwritingDelegateFlags(int flags)`
`void`	`setHandwritingDelegatorCallback(Runnable callback)`
`void`	`setHapticFeedbackEnabled(boolean hapticFeedbackEnabled)`
`void`	`setHasTransientState(boolean hasTransientState)`
`void`	`setHorizontalFadingEdgeEnabled(boolean horizontalFadingEdgeEnabled)`
`void`	`setHorizontalScrollBarEnabled(boolean horizontalScrollBarEnabled)`
`void`	`setHorizontalScrollbarThumbDrawable(Drawable drawable)`
`void`	`setHorizontalScrollbarTrackDrawable(Drawable drawable)`
`void`	`setHovered(boolean hovered)`
`void`	`setId(int id)`
`void`	`setImportantForAccessibility(int mode)`
`void`	`setImportantForAutofill(int mode)`
`void`	`setImportantForContentCapture(int mode)`
`void`	`setIsCredential(boolean isCredential)`
`void`	`setIsHandwritingDelegate(boolean isHandwritingDelegate)`
`void`	`setKeepScreenOn(boolean keepScreenOn)`
`void`	`setKeyboardNavigationCluster(boolean isCluster)`
`void`	`setLabelFor(int id)`
`void`	`setLayerPaint(Paint paint)`
`void`	`setLayerType(int layerType, Paint paint)`
`void`	`setLayoutDirection(int layoutDirection)`
`void`	`setLayoutParams(ViewGroup.LayoutParams params)`
`final void`	`setLeft(int left)`
`final void`	`setLeftTopRightBottom(int left, int top, int right, int bottom)`
`void`	`setLongClickable(boolean longClickable)`
`final void`	`setMeasuredDimension(int measuredWidth, int measuredHeight)`
`void`	`setMinimumHeight(int minHeight)`
`void`	`setMinimumWidth(int minWidth)`
`void`	`setNestedScrollingEnabled(boolean enabled)`
`void`	`setNextClusterForwardId(int nextClusterForwardId)`
`void`	`setNextFocusDownId(int nextFocusDownId)`
`void`	`setNextFocusForwardId(int nextFocusForwardId)`
`void`	`setNextFocusLeftId(int nextFocusLeftId)`
`void`	`setNextFocusRightId(int nextFocusRightId)`
`void`	`setNextFocusUpId(int nextFocusUpId)`
`void`	`setOnApplyWindowInsetsListener( View.OnApplyWindowInsetsListener listener )`
`void`	`setOnCapturedPointerListener(View.OnCapturedPointerListener l)`
`void`	`setOnClickListener(View.OnClickListener l)`
`void`	`setOnContextClickListener(View.OnContextClickListener l)`
`void`	`setOnCreateContextMenuListener(View.OnCreateContextMenuListener l)`
`void`	`setOnDragListener(View.OnDragListener l)`
`void`	`setOnFocusChangeListener(View.OnFocusChangeListener l)`
`void`	`setOnGenericMotionListener(View.OnGenericMotionListener l)`
`void`	`setOnHoverListener(View.OnHoverListener l)`
`void`	`setOnKeyListener(View.OnKeyListener l)`
`void`	`setOnLongClickListener(View.OnLongClickListener l)`
`void`	`setOnReceiveContentListener( String[] mimeTypes, OnReceiveContentListener listener )`
`void`	`setOnScrollChangeListener(View.OnScrollChangeListener l)`
`void`	`setOnSystemUiVisibilityChangeListener( View.OnSystemUiVisibilityChangeListener l )` This method is deprecated.
`void`	`setOnTouchListener(View.OnTouchListener l)`
`void`	`setOutlineAmbientShadowColor(int color)`
`void`	`setOutlineProvider(ViewOutlineProvider provider)`
`void`	`setOutlineSpotShadowColor(int color)`
`void`	`setOverScrollMode(int overScrollMode)`
`void`	`setPadding(int left, int top, int right, int bottom)`
`void`	`setPaddingRelative(int start, int top, int end, int bottom)`
`void`	`setPendingCredentialRequest( GetCredentialRequest request, OutcomeReceiver<GetCredentialResponse, GetCredentialException> callback )`
`void`	`setPivotX(float pivotX)`
`void`	`setPivotY(float pivotY)`
`void`	`setPointerIcon(PointerIcon pointerIcon)`
`final void`	`setPreferKeepClear(boolean preferKeepClear)`
`final void`	`setPreferKeepClearRects(List<Rect> rects)`
`void`	`setPressed(boolean pressed)`
`void`	`setRenderEffect(RenderEffect renderEffect)`
`final void`	`setRevealOnFocusHint(boolean revealOnFocus)`
`final void`	`setRight(int right)`
`void`	`setRotation(float rotation)`
`void`	`setRotationX(float rotationX)`
`void`	`setRotationY(float rotationY)`
`void`	`setSaveEnabled(boolean enabled)`
`void`	`setSaveFromParentEnabled(boolean enabled)`
`void`	`setScaleX(float scaleX)`
`void`	`setScaleY(float scaleY)`
`void`	`setScreenReaderFocusable(boolean screenReaderFocusable)`
`void`	`setScrollBarDefaultDelayBeforeFade( int scrollBarDefaultDelayBeforeFade )`
`void`	`setScrollBarFadeDuration(int scrollBarFadeDuration)`
`void`	`setScrollBarSize(int scrollBarSize)`
`void`	`setScrollBarStyle(int style)`
`final void`	`setScrollCaptureCallback(ScrollCaptureCallback callback)`
`void`	`setScrollCaptureHint(int hint)`
`void`	`setScrollContainer(boolean isScrollContainer)`
`void`	`setScrollIndicators(int indicators)`
`void`	`setScrollX(int value)`
`void`	`setScrollY(int value)`
`void`	`setScrollbarFadingEnabled(boolean fadeScrollbars)`
`void`	`setSelected(boolean selected)`
`void`	`setSoundEffectsEnabled(boolean soundEffectsEnabled)`
`void`	`setStateDescription(CharSequence stateDescription)`
`void`	`setStateListAnimator(StateListAnimator stateListAnimator)`
`void`	`setSupplementalDescription(CharSequence supplementalDescription)`
`void`	`setSystemGestureExclusionRects(List<Rect> rects)`
`void`	`setSystemUiVisibility(int visibility)` This method is deprecated.
`void`	`setTag(int key, Object tag)`
`void`	`setTextAlignment(int textAlignment)`
`void`	`setTextDirection(int textDirection)`
`void`	`setTooltipText(CharSequence tooltipText)`
`final void`	`setTop(int top)`
`void`	`setTouchDelegate(TouchDelegate delegate)`
`void`	`setTransitionAlpha(float alpha)`
`final void`	`setTransitionName(String transitionName)`
`void`	`setTransitionVisibility(int visibility)`
`void`	`setTranslationX(float translationX)`
`void`	`setTranslationY(float translationY)`
`void`	`setTranslationZ(float translationZ)`
`void`	`setVerticalFadingEdgeEnabled(boolean verticalFadingEdgeEnabled)`
`void`	`setVerticalScrollBarEnabled(boolean verticalScrollBarEnabled)`
`void`	`setVerticalScrollbarPosition(int position)`
`void`	`setVerticalScrollbarThumbDrawable(Drawable drawable)`
`void`	`setVerticalScrollbarTrackDrawable(Drawable drawable)`
`void`	`setViewTranslationCallback(ViewTranslationCallback callback)`
`void`	`setVisibility(int visibility)`
`void`	`setWillNotCacheDrawing(boolean willNotCacheDrawing)` This method is deprecated.
`void`	`setWillNotDraw(boolean willNotDraw)`
`void`	`setX(float x)`
`void`	`setY(float y)`
`void`	`setZ(float z)`
`boolean`	`showContextMenu()`
`ActionMode`	`startActionMode(ActionMode.Callback callback)`
`void`	`startAnimation(Animation animation)`
`final boolean`	`startDrag( ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags )` This method is deprecated.
`final boolean`	`startDragAndDrop( ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags )`
`boolean`	`startNestedScroll(int axes)`
`void`	`stopNestedScroll()`
`void`	`transformMatrixToGlobal(Matrix matrix)`
`void`	`transformMatrixToLocal(Matrix matrix)`
`void`	`unscheduleDrawable(Drawable who)`
`final void`	`updateDragShadow(View.DragShadowBuilder shadowBuilder)`
`boolean`	`verifyDrawable(Drawable who)`
`boolean`	`willNotCacheDrawing()` This method is deprecated.
`boolean`	`willNotDraw()`

From android.view.ViewGroup

`void`	`addChildrenForAccessibility(ArrayList<View> outChildren)`
`void`	`addExtraDataToAccessibilityNodeInfo( AccessibilityNodeInfo info, String extraDataKey, Bundle arguments )`
`void`	`addFocusables(ArrayList<View> views, int direction, int focusableMode)`
`void`	`addKeyboardNavigationClusters(Collection<View> views, int direction)`
`boolean`	`addStatesFromChildren()`
`void`	`addTouchables(ArrayList<View> views)`
`void`	`addView(View child)`
`boolean`	`addViewInLayout(View child, int index, ViewGroup.LayoutParams params)`
`void`	`attachLayoutAnimationParameters( View child, ViewGroup.LayoutParams params, int index, int count )`
`void`	`attachViewToParent(View child, int index, ViewGroup.LayoutParams params)`
`void`	`bringChildToFront(View child)`
`boolean`	`canAnimate()`
`boolean`	`checkLayoutParams(ViewGroup.LayoutParams p)`
`void`	`childDrawableStateChanged(View child)`
`void`	`childHasTransientStateChanged( View child, boolean childHasTransientState )`
`void`	`cleanupLayoutState(View child)`
`void`	`clearChildFocus(View child)`
`void`	`clearDisappearingChildren()`
`void`	`clearFocus()`
`void`	`debug(int depth)`
`void`	`detachAllViewsFromParent()`
`void`	`detachViewFromParent(View child)`
`void`	`detachViewsFromParent(int start, int count)`
`WindowInsets`	`dispatchApplyWindowInsets(WindowInsets insets)`
`boolean`	`dispatchCapturedPointerEvent(MotionEvent event)`
`void`	`dispatchConfigurationChanged(Configuration newConfig)`
`void`	`dispatchCreateViewTranslationRequest( Map<AutofillId, long[]> viewIds, int[] supportedFormats, TranslationCapability capability, List<ViewTranslationRequest> requests )`
`void`	`dispatchDisplayHint(int hint)`
`boolean`	`dispatchDragEvent(DragEvent event)`
`void`	`dispatchDraw(Canvas canvas)`
`void`	`dispatchDrawableHotspotChanged(float x, float y)`
`void`	`dispatchFinishTemporaryDetach()`
`void`	`dispatchFreezeSelfOnly(SparseArray<Parcelable> container)`
`boolean`	`dispatchGenericFocusedEvent(MotionEvent event)`
`boolean`	`dispatchGenericPointerEvent(MotionEvent event)`
`boolean`	`dispatchHoverEvent(MotionEvent event)`
`boolean`	`dispatchKeyEvent(KeyEvent event)`
`boolean`	`dispatchKeyEventPreIme(KeyEvent event)`
`boolean`	`dispatchKeyShortcutEvent(KeyEvent event)`
`void`	`dispatchPointerCaptureChanged(boolean hasCapture)`
`void`	`dispatchProvideAutofillStructure(ViewStructure structure, int flags)`
`void`	`dispatchProvideStructure(ViewStructure structure)`
`void`	`dispatchRestoreInstanceState(SparseArray<Parcelable> container)`
`void`	`dispatchSaveInstanceState(SparseArray<Parcelable> container)`
`void`	`dispatchScrollCaptureSearch( Rect localVisibleRect, Point windowOffset, Consumer<ScrollCaptureTarget> targets )`
`void`	`dispatchSetActivated(boolean activated)`
`void`	`dispatchSetPressed(boolean pressed)`
`void`	`dispatchSetSelected(boolean selected)`
`void`	`dispatchStartTemporaryDetach()`
`void`	`dispatchSystemUiVisibilityChanged(int visible)` This method is deprecated.
`void`	`dispatchThawSelfOnly(SparseArray<Parcelable> container)`
`boolean`	`dispatchTouchEvent(MotionEvent ev)`
`boolean`	`dispatchTrackballEvent(MotionEvent event)`
`boolean`	`dispatchUnhandledMove(View focused, int direction)`
`void`	`dispatchVisibilityChanged(View changedView, int visibility)`
`void`	`dispatchWindowFocusChanged(boolean hasFocus)`
`void`	`dispatchWindowInsetsAnimationEnd(WindowInsetsAnimation animation)`
`void`	`dispatchWindowInsetsAnimationPrepare(WindowInsetsAnimation animation)`
`WindowInsets`	`dispatchWindowInsetsAnimationProgress( WindowInsets insets, List<WindowInsetsAnimation> runningAnimations )`
`WindowInsetsAnimation.Bounds`	`dispatchWindowInsetsAnimationStart( WindowInsetsAnimation animation, WindowInsetsAnimation.Bounds bounds )`
`void`	`dispatchWindowSystemUiVisiblityChanged(int visible)` This method is deprecated.
`void`	`dispatchWindowVisibilityChanged(int visibility)`
`boolean`	`drawChild(Canvas canvas, View child, long drawingTime)`
`void`	`drawableStateChanged()`
`void`	`endViewTransition(View view)`
`View`	`findFocus()`
`OnBackInvokedDispatcher`	`findOnBackInvokedDispatcherForChild(View child, View requester)`
`void`	`findViewsWithText( ArrayList<View> outViews, CharSequence text, int flags )`
`View`	`focusSearch(View focused, int direction)`
`void`	`focusableViewAvailable(View v)`
`boolean`	`gatherTransparentRegion(Region region)`
`ViewGroup.LayoutParams`	`generateDefaultLayoutParams()`
`ViewGroup.LayoutParams`	`generateLayoutParams(AttributeSet attrs)`
`CharSequence`	`getAccessibilityClassName()`
`View`	`getChildAt(int index)`
`int`	`getChildCount()`
`final int`	`getChildDrawingOrder(int drawingPosition)`
`static int`	`getChildMeasureSpec(int spec, int padding, int childDimension)`
`boolean`	`getChildStaticTransformation(View child, Transformation t)`
`boolean`	`getChildVisibleRect(View child, Rect r, Point offset)`
`boolean`	`getClipChildren()`
`boolean`	`getClipToPadding()`
`int`	`getDescendantFocusability()`
`View`	`getFocusedChild()`
`LayoutAnimationController`	`getLayoutAnimation()`
`Animation.AnimationListener`	`getLayoutAnimationListener()`
`int`	`getLayoutMode()`
`LayoutTransition`	`getLayoutTransition()`
`int`	`getNestedScrollAxes()`
`ViewGroupOverlay`	`getOverlay()`
`int`	`getPersistentDrawingCache()` This method is deprecated.
`boolean`	`getTouchscreenBlocksFocus()`
`boolean`	`hasFocus()`
`boolean`	`hasTransientState()`
`int`	`indexOfChild(View child)`
`final void`	`invalidateChild(View child, Rect dirty)` This method is deprecated.
`ViewParent`	`invalidateChildInParent(int[] location, Rect dirty)` This method is deprecated.
`boolean`	`isAlwaysDrawnWithCacheEnabled()` This method is deprecated.
`boolean`	`isAnimationCacheEnabled()` This method is deprecated.
`boolean`	`isChildrenDrawingOrderEnabled()`
`boolean`	`isChildrenDrawnWithCacheEnabled()` This method is deprecated.
`boolean`	`isLayoutSuppressed()`
`boolean`	`isMotionEventSplittingEnabled()`
`boolean`	`isTransitionGroup()`
`void`	`jumpDrawablesToCurrentState()`
`final void`	`layout(int l, int t, int r, int b)`
`void`	`measureChild( View child, int parentWidthMeasureSpec, int parentHeightMeasureSpec )`
`void`	`measureChildWithMargins( View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed )`
`void`	`measureChildren(int widthMeasureSpec, int heightMeasureSpec)`
`void`	`notifySubtreeAccessibilityStateChanged( View child, View source, int changeType )`
`final void`	`offsetDescendantRectToMyCoords(View descendant, Rect rect)`
`final void`	`offsetRectIntoDescendantCoords(View descendant, Rect rect)`
`int[]`	`onCreateDrawableState(int extraSpace)`
`void`	`onDescendantInvalidated(View child, View target)`
`void`	`onDetachedFromWindow()`
`boolean`	`onInterceptHoverEvent(MotionEvent event)`
`abstract void`	`onLayout(boolean p, int p1, int p2, int p3, int p4)`
`boolean`	`onNestedPrePerformAccessibilityAction( View target, int action, Bundle args )`
`void`	`onNestedPreScroll(View target, int dx, int dy, int[] consumed)`
`void`	`onNestedScroll( View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed )`
`void`	`onNestedScrollAccepted(View child, View target, int axes)`
`boolean`	`onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect)`
`boolean`	`onRequestSendAccessibilityEvent(View child, AccessibilityEvent event)`
`PointerIcon`	`onResolvePointerIcon(MotionEvent event, int pointerIndex)`
`boolean`	`onStartNestedScroll(View child, View target, int nestedScrollAxes)`
`void`	`onStopNestedScroll(View child)`
`void`	`onViewAdded(View child)`
`void`	`onViewRemoved(View child)`
`void`	`propagateRequestedFrameRate(float frameRate, boolean forceOverride)`
`void`	`recomputeViewAttributes(View child)`
`void`	`removeAllViews()`
`void`	`removeAllViewsInLayout()`
`void`	`removeDetachedView(View child, boolean animate)`
`void`	`removeView(View view)`
`void`	`removeViewAt(int index)`
`void`	`removeViewInLayout(View view)`
`void`	`removeViews(int start, int count)`
`void`	`removeViewsInLayout(int start, int count)`
`void`	`requestChildFocus(View child, View focused)`
`boolean`	`requestChildRectangleOnScreen( View child, Rect rectangle, boolean immediate )`
`void`	`requestDisallowInterceptTouchEvent(boolean disallowIntercept)`
`boolean`	`requestFocus(int direction, Rect previouslyFocusedRect)`
`boolean`	`requestSendAccessibilityEvent(View child, AccessibilityEvent event)`
`void`	`requestTransparentRegion(View child)`
`boolean`	`restoreDefaultFocus()`
`void`	`scheduleLayoutAnimation()`
`void`	`setAddStatesFromChildren(boolean addsStates)`
`void`	`setAlwaysDrawnWithCacheEnabled(boolean always)` This method is deprecated.
`void`	`setAnimationCacheEnabled(boolean enabled)` This method is deprecated.
`void`	`setChildrenDrawingCacheEnabled(boolean enabled)` This method is deprecated.
`void`	`setChildrenDrawingOrderEnabled(boolean enabled)`
`void`	`setChildrenDrawnWithCacheEnabled(boolean enabled)` This method is deprecated.
`void`	`setClipChildren(boolean clipChildren)`
`void`	`setClipToPadding(boolean clipToPadding)`
`void`	`setDescendantFocusability(int focusability)`
`void`	`setLayoutAnimation(LayoutAnimationController controller)`
`void`	`setLayoutAnimationListener( Animation.AnimationListener animationListener )`
`void`	`setLayoutMode(int layoutMode)`
`void`	`setLayoutTransition(LayoutTransition transition)`
`void`	`setMotionEventSplittingEnabled(boolean split)`
`void`	`setOnHierarchyChangeListener( ViewGroup.OnHierarchyChangeListener listener )`
`void`	`setPersistentDrawingCache(int drawingCacheToKeep)` This method is deprecated.
`void`	`setRequestedFrameRate(float frameRate)`
`void`	`setStaticTransformationsEnabled(boolean enabled)`
`void`	`setTouchscreenBlocksFocus(boolean touchscreenBlocksFocus)`
`void`	`setTransitionGroup(boolean isTransitionGroup)`
`void`	`setWindowInsetsAnimationCallback( WindowInsetsAnimation.Callback callback )`
`boolean`	`shouldDelayChildPressedState()`
`boolean`	`showContextMenuForChild(View originalView)`
`ActionMode`	`startActionModeForChild( View originalView, ActionMode.Callback callback )`
`void`	`startLayoutAnimation()`
`void`	`startViewTransition(View view)`
`void`	`suppressLayout(boolean suppress)`
`void`	`updateViewLayout(View view, ViewGroup.LayoutParams params)`

Constants

DEBUG_SHOW_NONE

Added in 2.2.1

public static final int DEBUG_SHOW_NONE = 0

DEBUG_SHOW_PATH

Added in 2.2.1

public static final int DEBUG_SHOW_PATH = 2

DEBUG_SHOW_PROGRESS

Added in 2.2.1

public static final int DEBUG_SHOW_PROGRESS = 1

TOUCH_UP_COMPLETE

Added in 2.2.1

public static final int TOUCH_UP_COMPLETE = 0

TOUCH_UP_COMPLETE_TO_END

Added in 2.2.1

public static final int TOUCH_UP_COMPLETE_TO_END = 2

TOUCH_UP_COMPLETE_TO_START

Added in 2.2.1

public static final int TOUCH_UP_COMPLETE_TO_START = 1

TOUCH_UP_DECELERATE

Added in 2.2.1

public static final int TOUCH_UP_DECELERATE = 4

TOUCH_UP_DECELERATE_AND_COMPLETE

Added in 2.2.1

public static final int TOUCH_UP_DECELERATE_AND_COMPLETE = 5

TOUCH_UP_NEVER_TO_END

Added in 2.2.1

public static final int TOUCH_UP_NEVER_TO_END = 7

TOUCH_UP_NEVER_TO_START

Added in 2.2.1

public static final int TOUCH_UP_NEVER_TO_START = 6

TOUCH_UP_STOP

Added in 2.2.1

public static final int TOUCH_UP_STOP = 3

VELOCITY_LAYOUT

Added in 2.2.1

public static final int VELOCITY_LAYOUT = 1

VELOCITY_POST_LAYOUT

Added in 2.2.1

public static final int VELOCITY_POST_LAYOUT = 0

VELOCITY_STATIC_LAYOUT

Added in 2.2.1

public static final int VELOCITY_STATIC_LAYOUT = 3

VELOCITY_STATIC_POST_LAYOUT

Added in 2.2.1

public static final int VELOCITY_STATIC_POST_LAYOUT = 2

Public fields

IS_IN_EDIT_MODE

Added in 2.2.1

public static boolean IS_IN_EDIT_MODE

Protected fields

mMeasureDuringTransition

Added in 2.2.1

protected boolean mMeasureDuringTransition

Public constructors

MotionLayout

Added in 2.2.1

public MotionLayout(@NonNull Context context)

MotionLayout

Added in 2.2.1

public MotionLayout(@NonNull Context context, @Nullable AttributeSet attrs)

MotionLayout

Added in 2.2.1

public MotionLayout(
    @NonNull Context context,
    @Nullable AttributeSet attrs,
    int defStyleAttr
)

Public methods

Added in 2.2.1

public void addTransitionListener(MotionLayout.TransitionListener listener)

adds a listener to be notified of drawer events.

Parameters
`MotionLayout.TransitionListener listener`	Listener to notify when drawer events occur

See also
`MotionLayout.TransitionListener`

Added in 2.2.1

public boolean applyViewTransition(
    int viewTransitionId,
    MotionController motionController
)

Apply the view transitions keyFrames to the MotionController. Note ConstraintOverride is not used

Parameters
`int viewTransitionId`	the id of the view transition
`MotionController motionController`	the MotionController to apply the keyframes to

Returns
`boolean`	true if it found and applied the viewTransition false otherwise

cloneConstraintSet

Added in 2.2.1

public ConstraintSet cloneConstraintSet(int id)

Creates a ConstraintSet based on an existing constraintSet. This makes a copy of the ConstraintSet.

Parameters
`int id`	The ide of the ConstraintSet

Returns
`ConstraintSet`	the ConstraintSet

enableTransition

Added in 2.2.1

public void enableTransition(int transitionID, boolean enable)

Disable the transition based on transitionID

Parameters
`int transitionID`
`boolean enable`

enableViewTransition

Added in 2.2.1

public void enableViewTransition(int viewTransitionId, boolean enable)

Enable a ViewTransition ID.

Parameters
`int viewTransitionId`	id of ViewTransition
`boolean enable`	If false view transition cannot be executed.

fireTrigger

Added in 2.2.1

public void fireTrigger(int triggerId, boolean positive, float progress)

This causes the callback onTransitionTrigger to be called

Parameters
`int triggerId`	The id set set with triggerID
`boolean positive`	for positive transition edge
`float progress`	the current progress

getConstraintSet

Added in 2.2.1

public ConstraintSet getConstraintSet(int id)

Get the ConstraintSet associated with an id This returns a link to the constraintSet But in most cases can be used. createConstraintSet makes a copy which is more expensive.

Parameters
`int id`	of the constraintSet

Returns
`ConstraintSet`	ConstraintSet of MotionLayout

See also
`cloneConstraintSet`

getConstraintSetIds

Added in 2.2.1

public @IdRes int[] getConstraintSetIds()

Get the id's of all constraintSets used by MotionLayout

Returns
`@IdRes int[]`

getCurrentState

Added in 2.2.1

public int getCurrentState()

Return the current state id

Returns
`int`	current state id

getDefinedTransitions

Added in 2.2.1

public ArrayList<MotionScene.Transition> getDefinedTransitions()

Get all Transitions known to the system.

Returns
`ArrayList<MotionScene.Transition>`

getDesignTool

Added in 2.2.1

public DesignTool getDesignTool()

getEndState

Added in 2.2.1

public int getEndState()

Gets the state you are currently transition to.

Returns
`int`	The State you are transitioning to.

getMatchingConstraintSetIds

public int[] getMatchingConstraintSetIds(String[] types)

Get the id's of all constraintSets with the matching types

Returns
`int[]`

getProgress

Added in 2.2.1

public float getProgress()

Get current position during an animation.

Returns
`float`	current position from 0.0 to 1.0 inclusive

getScene

Added in 2.2.1

public MotionScene getScene()

Get the motion scene of the layout. Warning! This gives you direct access to the internal state of the MotionLayout making it easy corrupt the state.

Returns
`MotionScene`	the motion scene

getStartState

Added in 2.2.1

public int getStartState()

Gets the state you are currently transitioning from. If you are transitioning from an unknown state returns -1

Returns
`int`	State you are transitioning from.

getTargetPosition

Added in 2.2.1

public float getTargetPosition()

Gets the position you are animating to typically 0 or 1. This is useful during animation after touch up

Returns
`float`	The target position you are moving to

getTransition

Added in 2.2.1

public MotionScene.Transition getTransition(int id)

This returns the internal Transition Structure

Parameters
`int id`

Returns
`MotionScene.Transition`

getTransitionState

Added in 2.2.1

public Bundle getTransitionState()

Returns
`Bundle`	bundle containing start and end state

getTransitionTimeMs

Added in 2.2.1

public long getTransitionTimeMs()

Gets the time of the currently set animation.

Returns
`long`	time in Milliseconds

getVelocity

Added in 2.2.1

public float getVelocity()

Returns the last velocity used in the transition

Returns
`float`

getViewVelocity

Added in 2.2.1

public void getViewVelocity(
    View view,
    float posOnViewX,
    float posOnViewY,
    float[] returnVelocity,
    int type
)

Returns the last layout velocity used in the transition

Parameters
`View view`	The view
`float posOnViewX`	The x position on the view
`float posOnViewY`	The y position on the view
`float[] returnVelocity`	The velocity
`int type`	Velocity returned 0 = post layout, 1 = layout, 2 = static postlayout

isDelayedApplicationOfInitialState

Added in 2.2.1

public boolean isDelayedApplicationOfInitialState()

Is initial state changes are applied during onAttachedToWindow or after.

Returns
`boolean`

isInRotation

Added in 2.2.1

public boolean isInRotation()

isInteractionEnabled

Added in 2.2.1

public boolean isInteractionEnabled()

Determines whether MotionLayout's touch &click handling are enabled. An interaction enabled MotionLayout can respond to user input and initiate and control. MotionLayout interactions are enabled initially by default. MotionLayout touch &click handling may be enabled or disabled by calling its setInteractionEnabled method.

Returns
`boolean`	true if MotionLayout's touch &click is enabled, false otherwise

isViewTransitionEnabled

Added in 2.2.1

public boolean isViewTransitionEnabled(int viewTransitionId)

Is transition id enabled or disabled

Parameters
`int viewTransitionId`	the ide of the transition

Returns
`boolean`	true if enabled

jumpToState

Added in 2.2.1

public void jumpToState(int id)

This jumps to a state It will be at that state after one repaint cycle If the current transition contains that state. It setsProgress 0 or 1 to that state. If not in the current transition itsl

Parameters
`int id`	state to set

loadLayoutDescription

public void loadLayoutDescription(int motionScene)

This overrides ConstraintLayout and only accepts a MotionScene.

Parameters
`int motionScene`	The resource id, or 0 to reset the MotionScene.

onInterceptTouchEvent

public boolean onInterceptTouchEvent(MotionEvent event)

Intercepts the touch event to correctly handle touch region id handover

Parameters
`MotionEvent event`

Returns
`boolean`

onNestedFling

public boolean onNestedFling(
    @NonNull View target,
    float velocityX,
    float velocityY,
    boolean consumed
)

onNestedPreFling

public boolean onNestedPreFling(@NonNull View target, float velocityX, float velocityY)

onNestedPreScroll

Added in 2.2.1

public void onNestedPreScroll(
    @NonNull View target,
    int dx,
    int dy,
    @NonNull int[] consumed,
    int type
)

React to a nested scroll in progress before the target view consumes a portion of the scroll.

When working with nested scrolling often the parent view may want an opportunity to consume the scroll before the nested scrolling child does. An example of this is a drawer that contains a scrollable list. The user will want to be able to scroll the list fully into view before the list itself begins scrolling.

onNestedPreScroll is called when a nested scrolling child invokes dispatchNestedPreScroll. The implementation should report how any pixels of the scroll reported by dx, dy were consumed in the consumed array. Index 0 corresponds to dx and index 1 corresponds to dy. This parameter will never be null. Initial values for consumed[0] and consumed[1] will always be 0.

Parameters
`@NonNull View target`	View that initiated the nested scroll
`int dx`	Horizontal scroll distance in pixels
`int dy`	Vertical scroll distance in pixels
`@NonNull int[] consumed`	Output. The horizontal and vertical scroll distance consumed by this parent
`int type`	the type of input which cause this scroll event

onNestedScroll

Added in 2.2.1

public void onNestedScroll(
    @NonNull View target,
    int dxConsumed,
    int dyConsumed,
    int dxUnconsumed,
    int dyUnconsumed,
    int type
)

React to a nested scroll in progress.

This method will be called when the ViewParent's current nested scrolling child view dispatches a nested scroll event. To receive calls to this method the ViewParent must have previously returned true for a call to onStartNestedScroll.

Both the consumed and unconsumed portions of the scroll distance are reported to the ViewParent. An implementation may choose to use the consumed portion to match or chase scroll position of multiple child elements, for example. The unconsumed portion may be used to allow continuous dragging of multiple scrolling or draggable elements, such as scrolling a list within a vertical drawer where the drawer begins dragging once the edge of inner scrolling content is reached.

Parameters
`@NonNull View target`	The descendent view controlling the nested scroll
`int dxConsumed`	Horizontal scroll distance in pixels already consumed by target
`int dyConsumed`	Vertical scroll distance in pixels already consumed by target
`int dxUnconsumed`	Horizontal scroll distance in pixels not consumed by target
`int dyUnconsumed`	Vertical scroll distance in pixels not consumed by target
`int type`	the type of input which cause this scroll event

onNestedScroll

Added in 2.2.1

public void onNestedScroll(
    @NonNull View target,
    int dxConsumed,
    int dyConsumed,
    int dxUnconsumed,
    int dyUnconsumed,
    int type,
    int[] consumed
)

React to a nested scroll in progress.

This method is called when a nested scrolling child invokes dispatchNestedScroll} or one of methods it overloads.

An implementation must report how many pixels of the the x and y scroll distances were consumed by this nested scrolling parent by adding the consumed distances to the consumed parameter. If this View also implements NestedScrollingChild3, consumed should also be passed up to it's nested scrolling parent so that the parent may also add any scroll distance it consumes. Index 0 corresponds to dx and index 1 corresponds to dy.

Parameters
`@NonNull View target`	The descendant view controlling the nested scroll
`int dxConsumed`	Horizontal scroll distance in pixels already consumed by target
`int dyConsumed`	Vertical scroll distance in pixels already consumed by target
`int dxUnconsumed`	Horizontal scroll distance in pixels not consumed by target
`int dyUnconsumed`	Vertical scroll distance in pixels not consumed by target
`int type`	the type of input which cause this scroll event
`int[] consumed`	Output. Upon this method returning, will contain the scroll distances consumed by this nested scrolling parent and the scroll distances consumed by any other parent up the view hierarchy

See also
`dispatchNestedScroll`

onNestedScrollAccepted

Added in 2.2.1

public void onNestedScrollAccepted(
    @NonNull View child,
    @NonNull View target,
    int axes,
    int type
)

React to the successful claiming of a nested scroll operation.

This method will be called after onStartNestedScroll returns true. It offers an opportunity for the view and its superclasses to perform initial configuration for the nested scroll. Implementations of this method should always call their superclass's implementation of this method if one is present.

Parameters
`@NonNull View child`	Direct child of this ViewParent containing target
`@NonNull View target`	View that initiated the nested scroll
`int axes`	Flags consisting of `SCROLL_AXIS_HORIZONTAL`, `SCROLL_AXIS_VERTICAL` or both
`int type`	the type of input which cause this scroll event

See also
`onStartNestedScroll`
`onStopNestedScroll`

onRtlPropertiesChanged

public void onRtlPropertiesChanged(int layoutDirection)

onStartNestedScroll

Added in 2.2.1

public boolean onStartNestedScroll(
    @NonNull View child,
    @NonNull View target,
    int axes,
    int type
)

React to a descendant view initiating a nestable scroll operation, claiming the nested scroll operation if appropriate.

This method will be called in response to a descendant view invoking startNestedScroll. Each parent up the view hierarchy will be given an opportunity to respond and claim the nested scrolling operation by returning true.

This method may be overridden by ViewParent implementations to indicate when the view is willing to support a nested scrolling operation that is about to begin. If it returns true, this ViewParent will become the target view's nested scrolling parent for the duration of the scroll operation in progress. When the nested scroll is finished this ViewParent will receive a call to onStopNestedScroll.

Parameters
`@NonNull View child`	Direct child of this ViewParent containing target
`@NonNull View target`	View that initiated the nested scroll
`int axes`	Flags consisting of `SCROLL_AXIS_HORIZONTAL`, `SCROLL_AXIS_VERTICAL` or both
`int type`	the type of input which cause this scroll event

Returns
`boolean`	true if this ViewParent accepts the nested scroll operation

onStopNestedScroll

Added in 2.2.1

public void onStopNestedScroll(@NonNull View target, int type)

React to a nested scroll operation ending.

Perform cleanup after a nested scrolling operation. This method will be called when a nested scroll stops, for example when a nested touch scroll ends with a ACTION_UP or ACTION_CANCEL event. Implementations of this method should always call their superclass's implementation of this method if one is present.

Parameters
`@NonNull View target`	View that initiated the nested scroll
`int type`	the type of input which cause this scroll event

onTouchEvent

public boolean onTouchEvent(MotionEvent event)

onViewAdded

public void onViewAdded(View view)

onViewRemoved

public void onViewRemoved(View view)

rebuildMotion

Added in 2.2.1

Deprecated in 2.2.1

public void rebuildMotion()

rebuild the motion Layouts

rebuildScene

Added in 2.2.1

public void rebuildScene()

rebuild the motion Layouts

Added in 2.2.1

public boolean removeTransitionListener(MotionLayout.TransitionListener listener)

adds a listener to be notified of drawer events.

Parameters
`MotionLayout.TransitionListener listener`	Listener to notify when drawer events occur

Returns
`boolean`	true if it contained the specified listener

See also
`MotionLayout.TransitionListener`

requestLayout

public void requestLayout()

rotateTo

Added in 2.2.1

public void rotateTo(int id, int duration)

Rotate the layout based on the angle to a ConstraintSet

Parameters
`int id`	constraintSet
`int duration`	time to take to rotate

scheduleTransitionTo

Added in 2.2.1

public void scheduleTransitionTo(int id)

on completing the current transition, transition to this state.

Parameters
`int id`

setDebugMode

Added in 2.2.1

public void setDebugMode(int debugMode)

Display the debugging information such as paths information

Parameters
`int debugMode`	integer representing various debug modes

setDelayedApplicationOfInitialState

Added in 2.2.1

public void setDelayedApplicationOfInitialState(boolean delayedApply)

Initial state changes are applied during onAttachedToWindow unless this is set to true.

Parameters
`boolean delayedApply`

setInteractionEnabled

Added in 2.2.1

public void setInteractionEnabled(boolean enabled)

Enables (or disables) MotionLayout's onClick and onSwipe handling.

Parameters
`boolean enabled`	If true, touch &click is enabled; otherwise it is disabled

setInterpolatedProgress

Added in 2.2.1

public void setInterpolatedProgress(float pos)

Set the transition position between 0 an 1

Parameters
`float pos`

setOnHide

Added in 2.2.1

public void setOnHide(float progress)

Notify OnHide motion helpers

Parameters
`float progress`

setOnShow

Added in 2.2.1

public void setOnShow(float progress)

Notify OnShow motion helpers

Parameters
`float progress`

setProgress

Added in 2.2.1

public void setProgress(float pos)

Set the transition position between 0 an 1

Parameters
`float pos`	the position in the transition from 0...1

setProgress

Added in 2.2.1

public void setProgress(float pos, float velocity)

Set the transition position between 0 an 1

Parameters
`float pos`
`float velocity`

Added in 2.2.1

public void setScene(MotionScene scene)

Sets a motion scene to the layout. Subsequent calls to it will override the previous scene.

setState

public void setState(int id, int screenWidth, int screenHeight)

Set the State of the Constraint layout. Causing it to load a particular ConstraintSet. for states with variants the variant with matching width and height constraintSet will be chosen

Parameters
`int id`	set the state width and height
`int screenWidth`
`int screenHeight`

setTransition

Added in 2.2.1

public void setTransition(int transitionId)

Set a transition explicitly to a Transition that has an ID The transition must have been named with android:id=...

Parameters
`int transitionId`	the id to set

setTransition

Added in 2.2.1

public void setTransition(int beginId, int endId)

Set a transition explicitly between two constraint sets

Parameters
`int beginId`	the id of the start constraint set
`int endId`	the id of the end constraint set

setTransitionDuration

Added in 2.2.1

public void setTransitionDuration(int milliseconds)

Change the current Transition duration.

Parameters
`int milliseconds`	duration for transition to complete

Added in 2.2.1

public void setTransitionListener(MotionLayout.TransitionListener listener)

Set a listener to be notified of drawer events.

Parameters
`MotionLayout.TransitionListener listener`	Listener to notify when drawer events occur

See also
`MotionLayout.TransitionListener`

setTransitionState

Added in 2.2.1

public void setTransitionState(Bundle bundle)

Set the transition state as a bundle

toString

public String toString()

touchAnimateTo

Added in 2.2.1

public void touchAnimateTo(int touchUpMode, float position, float currentVelocity)

Parameters

int touchUpMode

behavior on touch up, can be either:

TOUCH_UP_COMPLETE (default) : will complete the transition, picking up automatically a correct velocity to do so
TOUCH_UP_STOP : will allow stopping mid-transition
TOUCH_UP_DECELERATE : will slowly decay, possibly past the transition (i.e. it will do a hard stop if unmanaged)
TOUCH_UP_DECELERATE_AND_COMPLETE : will automatically pick between TOUCH_UP_COMPLETE and TOUCH_UP_DECELERATE

, TOUCH_UP_STOP (will allow stopping

float position

animate to given position

float currentVelocity

touchSpringTo

Added in 2.2.1

public void touchSpringTo(float position, float currentVelocity)

Allows you to use trigger spring motion touch behaviour. You must have configured all the spring parameters in the Transition's OnSwipe

Parameters
`float position`	the position 0 - 1
`float currentVelocity`	the current velocity rate of change in position per second

transitionToEnd

Added in 2.2.1

public void transitionToEnd()

Animate to the ending position of the current transition. This will not work during on create as there is no transition Transitions are only set up during onAttach

transitionToEnd

Added in 2.2.1

public void transitionToEnd(Runnable onComplete)

Animate to the ending position of the current transition. This will not work during on create as there is no transition Transitions are only set up during onAttach

Parameters
`Runnable onComplete`	callback when task is done

transitionToStart

Added in 2.2.1

public void transitionToStart()

Animate to the starting position of the current transition. This will not work during on create as there is no transition Transitions are only set up during onAttach

transitionToStart

Added in 2.2.1

public void transitionToStart(Runnable onComplete)

Animate to the starting position of the current transition. This will not work during on create as there is no transition Transitions are only set up during onAttach

Parameters
`Runnable onComplete`	callback when task is done

transitionToState

Added in 2.2.1

public void transitionToState(int id)

Animate to the state defined by the id. The id is the id of the ConstraintSet or the id of the State.

Parameters
`int id`	the state to transition to

transitionToState

Added in 2.2.1

public void transitionToState(int id, int duration)

Animate to the state defined by the id. The id is the id of the ConstraintSet or the id of the State.

Parameters
`int id`	the state to transition to
`int duration`	time in ms. if 0 set by default or transition -1 by current

transitionToState

Added in 2.2.1

public void transitionToState(int id, int screenWidth, int screenHeight)

Animate to the state defined by the id. Width and height may be used in the picking of the id using this StateSet.

Parameters
`int id`	the state to transition
`int screenWidth`	the with of the motionLayout used to select the variant
`int screenHeight`	the height of the motionLayout used to select the variant

transitionToState

Added in 2.2.1

public void transitionToState(
    int id,
    int screenWidth,
    int screenHeight,
    int duration
)

Animate to the state defined by the id. Width and height may be used in the picking of the id using this StateSet.

Parameters
`int id`	the state to transition
`int screenWidth`	the with of the motionLayout used to select the variant
`int screenHeight`	the height of the motionLayout used to select the variant
`int duration`	time in ms. if 0 set by default or transition -1 by current

updateState

Added in 2.2.1

public void updateState()

Not sure we want this

Added in 2.2.1

public void updateState(int stateId, ConstraintSet set)

update a ConstraintSet under the id.

Parameters
`int stateId`	id of the ConstraintSet
`ConstraintSet set`	The constraintSet

Added in 2.2.1

public void updateStateAnimate(int stateId, ConstraintSet set, int duration)

Update a ConstraintSet but animate the change.

Parameters
`int stateId`	id of the ConstraintSet
`ConstraintSet set`	The constraintSet
`int duration`	The length of time to perform the animation

viewTransition

public void viewTransition(int viewTransitionId, View[] view)

Execute a ViewTransition. Transition will execute if its conditions are met and it is enabled

Parameters
`int viewTransitionId`
`View[] view`	The views to apply to

Protected methods

dispatchDraw

protected void dispatchDraw(Canvas canvas)

Used to draw debugging graphics and to do post layout changes

Parameters
`Canvas canvas`

fireTransitionCompleted

Added in 2.2.1

protected void fireTransitionCompleted()

This causes the callback TransitionCompleted to be called

getNanoTime

Added in 2.2.1

protected long getNanoTime()

Subclasses can override to define testClasses

Returns
`long`

obtainVelocityTracker

Added in 2.2.1

protected MotionLayout.MotionTracker obtainVelocityTracker()

Subclasses can override to build test frameworks

Returns
`MotionLayout.MotionTracker`

onAttachedToWindow

protected void onAttachedToWindow()

onLayout

protected void onLayout(boolean changed, int left, int top, int right, int bottom)

onMeasure

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)

parseLayoutDescription

protected void parseLayoutDescription(int id)

block ConstraintLayout from handling layout description

Parameters
`int id`

Added in 2.2.1

protected void setTransition(MotionScene.Transition transition)

MotionLayout

LayoutDescription

Transition

ViewTransition

OnSwipe (optional)

OnClick (optional)

StateSet

State

Variant

ConstraintSet

Constraint

Layout

PropertySet

Transform

Motion

CustomAttribute

KeyFrameSet

KeyPosition

KeyAttribute

CustomAttribute

KeyCycle

CustomAttribute

KeyTimeCycle

CustomAttribute

KeyTrigger

Standard attributes

Summary

Nested types

Constants

Public fields

Protected fields

Public constructors

Public methods

Protected methods

Inherited Constants

Inherited fields

Inherited methods

Constants

DEBUG_SHOW_NONE

DEBUG_SHOW_PATH

DEBUG_SHOW_PROGRESS

TOUCH_UP_COMPLETE

TOUCH_UP_COMPLETE_TO_END

TOUCH_UP_COMPLETE_TO_START

TOUCH_UP_DECELERATE

TOUCH_UP_DECELERATE_AND_COMPLETE

TOUCH_UP_NEVER_TO_END

TOUCH_UP_NEVER_TO_START

TOUCH_UP_STOP

VELOCITY_LAYOUT

VELOCITY_POST_LAYOUT

VELOCITY_STATIC_LAYOUT

VELOCITY_STATIC_POST_LAYOUT

Public fields

IS_IN_EDIT_MODE

Protected fields

mMeasureDuringTransition

Public constructors

MotionLayout

MotionLayout

MotionLayout

Public methods

addTransitionListener

applyViewTransition

cloneConstraintSet

enableTransition

enableViewTransition

fireTrigger

getConstraintSet

getConstraintSetIds

getCurrentState

getDefinedTransitions

getDesignTool

getEndState

getMatchingConstraintSetIds

getProgress

getScene

getStartState

getTargetPosition

getTransition