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Added in API level 11

android.animation

These classes provide functionality for the property animation system, which allows you to animate object properties of any type. int, float, and hexadecimal color values are supported by default. You can animate any other type by telling the system how to calculate the values for that given type with a custom TypeEvaluator.

For more information, see the Animation guide.

You can set many different types of interpolators (contained in android.view.animation), specify keyframes, or group animations to play sequentially or simultaneously (with AnimatorSet) to further control your animation behaviors.

Interfaces

Animator.AnimatorListener	An animation listener receives notifications from an animation.
Animator.AnimatorPauseListener	A pause listener receives notifications from an animation when the animation is `paused` or `resumed`.
LayoutTransition.TransitionListener	This interface is used for listening to starting and ending events for transitions.
TimeAnimator.TimeListener	Implementors of this interface can set themselves as update listeners to a `TimeAnimator` instance to receive callbacks on every animation frame to receive the total time since the animator started and the delta time since the last frame.
TimeInterpolator	A time interpolator defines the rate of change of an animation.
TypeEvaluator<T>	Interface for use with the `setEvaluator(TypeEvaluator)` function.
ValueAnimator.AnimatorUpdateListener	Implementors of this interface can add themselves as update listeners to an `ValueAnimator` instance to receive callbacks on every animation frame, after the current frame's values have been calculated for that `ValueAnimator`.

Classes

Animator	This is the superclass for classes which provide basic support for animations which can be started, ended, and have `AnimatorListeners` added to them.
AnimatorInflater	This class is used to instantiate animator XML files into Animator objects.
AnimatorListenerAdapter	This adapter class provides empty implementations of the methods from `Animator.AnimatorListener`.
AnimatorSet	This class plays a set of `Animator` objects in the specified order.
AnimatorSet.Builder	The `Builder` object is a utility class to facilitate adding animations to a `AnimatorSet` along with the relationships between the various animations.
ArgbEvaluator	This evaluator can be used to perform type interpolation between integer values that represent ARGB colors.
BidirectionalTypeConverter<T, V>	Abstract base class used convert type T to another type V and back again.
FloatArrayEvaluator	This evaluator can be used to perform type interpolation between `float[]` values.
FloatEvaluator	This evaluator can be used to perform type interpolation between `float` values.
IntArrayEvaluator	This evaluator can be used to perform type interpolation between `int[]` values.
IntEvaluator	This evaluator can be used to perform type interpolation between `int` values.
Keyframe	This class holds a time/value pair for an animation.
LayoutTransition	This class enables automatic animations on layout changes in ViewGroup objects.
ObjectAnimator	This subclass of `ValueAnimator` provides support for animating properties on target objects.
PointFEvaluator	This evaluator can be used to perform type interpolation between `PointF` values.
PropertyValuesHolder	This class holds information about a property and the values that that property should take on during an animation.
RectEvaluator	This evaluator can be used to perform type interpolation between `Rect` values.
StateListAnimator	Lets you define a number of Animators that will run on the attached View depending on the View's drawable state.
TimeAnimator	This class provides a simple callback mechanism to listeners that is synchronized with all other animators in the system.
TypeConverter<T, V>	Abstract base class used convert type T to another type V.
ValueAnimator	This class provides a simple timing engine for running animations which calculate animated values and set them on target objects.