Added in API level 30

Summary: Nested Classes | Ctors | Methods | Inherited Methods

WindowInsetsAnimation

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Kotlin |Java

public final class WindowInsetsAnimation
extends Object

java.lang.Object
↳	android.view.WindowInsetsAnimation

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Class representing an animation of a set of windows that cause insets.

Summary

Nested classes
class	WindowInsetsAnimation.Bounds Class representing the range of an WindowInsetsAnimation
class	WindowInsetsAnimation.Callback Interface that allows the application to listen to animation events for windows that cause insets.

Public constructors
WindowInsetsAnimation(int typeMask, Interpolator interpolator, long durationMillis) Creates a new WindowInsetsAnimation object.

Public methods
float	getAlpha() Retrieves the translucency of the windows that are animating.
long	getDurationMillis()
float	getFraction() Returns the raw fractional progress of this animation between start state of the animation and the end state of the animation.
float	getInterpolatedFraction() Returns the interpolated fractional progress of this animation between start state of the animation and the end state of the animation.
Interpolator	getInterpolator() Retrieves the interpolator used for this animation, or null if this animation doesn't follow an interpolation curved.
int	getTypeMask()
void	setAlpha(float alpha) Sets the translucency of the windows that are animating.
void	setFraction(float fraction) Set fraction of the progress if WindowInsets.Type animation is controlled by the app.

Inherited methods

From class java.lang.Object Object clone() Creates and returns a copy of this object. boolean equals(Object obj) Indicates whether some other object is "equal to" this one. void finalize() Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. final Class<?> getClass() Returns the runtime class of this Object. int hashCode() Returns a hash code value for the object. final void notify() Wakes up a single thread that is waiting on this object's monitor. final void notifyAll() Wakes up all threads that are waiting on this object's monitor. String toString() Returns a string representation of the object. final void wait(long timeoutMillis, int nanos) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. final void wait(long timeoutMillis) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. final void wait() Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

WindowInsetsAnimation

Added in API level 30

public WindowInsetsAnimation (int typeMask, 
                Interpolator interpolator, 
                long durationMillis)

Creates a new WindowInsetsAnimation object.

This should only be used for testing, as usually the system creates this object for the application to listen to with Callback.

Parameters
typeMask	int: The bitmask of WindowInsets.Types that are animating. Value is either 0 or a combination of android.view.WindowInsets.Type.STATUS_BARS, android.view.WindowInsets.Type.NAVIGATION_BARS, android.view.WindowInsets.Type.CAPTION_BAR, android.view.WindowInsets.Type.IME, android.view.WindowInsets.Type.WINDOW_DECOR, android.view.WindowInsets.Type.SYSTEM_GESTURES, android.view.WindowInsets.Type.MANDATORY_SYSTEM_GESTURES, android.view.WindowInsets.Type.TAPPABLE_ELEMENT, android.view.WindowInsets.Type.DISPLAY_CUTOUT, and android.view.WindowInsets.Type.SYSTEM_OVERLAYS
interpolator	Interpolator: The interpolator of the animation. This value may be null.
durationMillis	long: The duration of the animation in TimeUnit.MILLISECONDS.

Public methods

getAlpha

Added in API level 30

public float getAlpha ()

Retrieves the translucency of the windows that are animating.

Returns
float	Alpha of windows that cause insets of type WindowInsets.Type. Value is between 0f and 1f inclusive

getDurationMillis

Added in API level 30

public long getDurationMillis ()

Returns
long	duration of animation in TimeUnit.MILLISECONDS, or -1 if the animation doesn't have a fixed duration.

getFraction

Added in API level 30

public float getFraction ()

Returns the raw fractional progress of this animation between start state of the animation and the end state of the animation. Note that this progress is the global progress of the animation, whereas Callback.onProgress will only dispatch the insets that may be inset with WindowInsets.inset by parents of views in the hierarchy. Progress per insets animation is global for the entire animation. One animation animates all things together (in, out, ...). If they don't animate together, we'd have multiple animations.

Note: In case the application is controlling the animation, the valued returned here will be the same as the application passed into WindowInsetsAnimationController.setInsetsAndAlpha(Insets, float, float).

Returns
float	The current progress of this animation. Value is between 0f and 1f inclusive

getInterpolatedFraction

Added in API level 30

public float getInterpolatedFraction ()

Returns the interpolated fractional progress of this animation between start state of the animation and the end state of the animation. Note that this progress is the global progress of the animation, whereas Callback.onProgress will only dispatch the insets that may be inset with WindowInsets.inset by parents of views in the hierarchy. Progress per insets animation is global for the entire animation. One animation animates all things together (in, out, ...). If they don't animate together, we'd have multiple animations.

Note: In case the application is controlling the animation, the valued returned here will be the same as the application passed into WindowInsetsAnimationController.setInsetsAndAlpha(Insets, float, float), interpolated with the interpolator passed into WindowInsetsController.controlWindowInsetsAnimation.

Note: For system-initiated animations, this will always return a valid value between 0 and 1.

Returns
float	The current interpolated progress of this animation.

See also:

• for raw fraction.

getInterpolator

Added in API level 30

public Interpolator getInterpolator ()

Retrieves the interpolator used for this animation, or null if this animation doesn't follow an interpolation curved. For system-initiated animations, this will never return null.

Returns
Interpolator	The interpolator used for this animation.

getTypeMask

Added in API level 30

public int getTypeMask ()

Returns

int

The bitmask of WindowInsets.Types that are animating. Value is either 0 or a combination of android.view.WindowInsets.Type.STATUS_BARS, android.view.WindowInsets.Type.NAVIGATION_BARS, android.view.WindowInsets.Type.CAPTION_BAR, android.view.WindowInsets.Type.IME, android.view.WindowInsets.Type.WINDOW_DECOR, android.view.WindowInsets.Type.SYSTEM_GESTURES, android.view.WindowInsets.Type.MANDATORY_SYSTEM_GESTURES, android.view.WindowInsets.Type.TAPPABLE_ELEMENT, android.view.WindowInsets.Type.DISPLAY_CUTOUT, and android.view.WindowInsets.Type.SYSTEM_OVERLAYS

setAlpha

Added in API level 30

public void setAlpha (float alpha)

Sets the translucency of the windows that are animating.

Note: This should only be used for testing, as the system fills in the alpha for the application or the alpha that was passed into WindowInsetsAnimationController.setInsetsAndAlpha(Insets, float, float) is being used.

Parameters
alpha	float: Alpha of windows that cause insets of type WindowInsets.Type. Value is between 0f and 1f inclusive

See also:

• getAlpha()

setFraction

Added in API level 30

public void setFraction (float fraction)

Set fraction of the progress if WindowInsets.Type animation is controlled by the app.

Note: This should only be used for testing, as the system fills in the fraction for the application or the fraction that was passed into WindowInsetsAnimationController.setInsetsAndAlpha(Insets, float, float) is being used.

Parameters
fraction	float: fractional progress between 0 and 1 where 0 represents hidden and zero progress and 1 represent fully shown final state. Value is between 0f and 1f inclusive

See also:

• getFraction()