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Added in API level 1

Interpolator

public class Interpolator
extends Object

java.lang.Object
↳	android.graphics.Interpolator

Summary

Nested classes
`enum`	`Interpolator.Result`

Public constructors
`Interpolator(int valueCount)`
`Interpolator(int valueCount, int frameCount)`

Public methods
`final int`	`getKeyFrameCount()`
`final int`	`getValueCount()`
`void`	`reset(int valueCount)` Reset the Interpolator to have the specified number of values and an implicit keyFrame count of 2 (just a start and end).
`void`	`reset(int valueCount, int frameCount)` Reset the Interpolator to have the specified number of values and keyFrames.
`void`	`setKeyFrame(int index, int msec, float[] values, float[] blend)` Assign the keyFrame (specified by index) a time value and an array of key values and blend array.
`void`	`setKeyFrame(int index, int msec, float[] values)` Assign the keyFrame (specified by index) a time value and an array of key values (with an implicity blend array of [0, 0, 1, 1] giving linear transition to the next set of key values).
`void`	`setRepeatMirror(float repeatCount, boolean mirror)` Set a repeat count (which may be fractional) for the interpolator, and whether the interpolator should mirror its repeats.
`Interpolator.Result`	`timeToValues(int msec, float[] values)` Given a millisecond time value (msec), return the interpolated values and return whether the specified time was within the range of key times (NORMAL), was before the first key time (FREEZE_START) or after the last key time (FREEZE_END).
`Interpolator.Result`	`timeToValues(float[] values)` Calls timeToValues(msec, values) with the msec set to now (by calling (int)SystemClock.uptimeMillis().)

Protected methods
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

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 millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

Interpolator

Added in API level 1

Interpolator (int valueCount)

Parameters
`valueCount`	`int`

Interpolator

Added in API level 1

Interpolator (int valueCount, 
                int frameCount)

Parameters
`valueCount`	`int`
`frameCount`	`int`

Public methods

getKeyFrameCount

Added in API level 1

int getKeyFrameCount ()

Returns
`int`

getValueCount

Added in API level 1

int getValueCount ()

Returns
`int`

reset

Added in API level 1

void reset (int valueCount)

Reset the Interpolator to have the specified number of values and an implicit keyFrame count of 2 (just a start and end). After this call the values for each keyFrame must be assigned using setKeyFrame().

Parameters
`valueCount`	`int`

reset

Added in API level 1

void reset (int valueCount, 
                int frameCount)

Reset the Interpolator to have the specified number of values and keyFrames. After this call the values for each keyFrame must be assigned using setKeyFrame().

Parameters
`valueCount`	`int`
`frameCount`	`int`

setKeyFrame

Added in API level 1

void setKeyFrame (int index, 
                int msec, 
                float[] values, 
                float[] blend)

Assign the keyFrame (specified by index) a time value and an array of key values and blend array.

Parameters
`index`	`int`: The index of the key frame to assign
`msec`	`int`: The time (in mililiseconds) for this key frame. Based on the SystemClock.uptimeMillis() clock
`values`	`float`: Array of values associated with theis key frame
`blend`	`float`: (may be null) Optional array of 4 blend values

setKeyFrame

Added in API level 1

void setKeyFrame (int index, 
                int msec, 
                float[] values)

Assign the keyFrame (specified by index) a time value and an array of key values (with an implicity blend array of [0, 0, 1, 1] giving linear transition to the next set of key values).

Parameters
`index`	`int`: The index of the key frame to assign
`msec`	`int`: The time (in mililiseconds) for this key frame. Based on the SystemClock.uptimeMillis() clock
`values`	`float`: Array of values associated with theis key frame

setRepeatMirror

Added in API level 1

void setRepeatMirror (float repeatCount, 
                boolean mirror)

Set a repeat count (which may be fractional) for the interpolator, and whether the interpolator should mirror its repeats. The default settings are repeatCount = 1, and mirror = false.

Parameters
`repeatCount`	`float`
`mirror`	`boolean`

timeToValues

Added in API level 1

Interpolator.Result timeToValues (int msec, 
                float[] values)

Given a millisecond time value (msec), return the interpolated values and return whether the specified time was within the range of key times (NORMAL), was before the first key time (FREEZE_START) or after the last key time (FREEZE_END). In any event, computed values are always returned.

Parameters
`msec`	`int`: The time (in milliseconds) used to sample into the Interpolator. Based on the SystemClock.uptimeMillis() clock
`values`	`float`: Where to write the computed values (may be NULL).

Returns
`Interpolator.Result`	how the values were computed (even if values == null)

timeToValues

Added in API level 1

Interpolator.Result timeToValues (float[] values)

Calls timeToValues(msec, values) with the msec set to now (by calling (int)SystemClock.uptimeMillis().)

Parameters
`values`	`float`

Returns
`Interpolator.Result`

Protected methods

finalize

Added in API level 1

void finalize ()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. A subclass overrides the finalize method to dispose of system resources or to perform other cleanup.

The general contract of finalize is that it is invoked if and when the Java^TM virtual machine has determined that there is no longer any means by which this object can be accessed by any thread that has not yet died, except as a result of an action taken by the finalization of some other object or class which is ready to be finalized. The finalize method may take any action, including making this object available again to other threads; the usual purpose of finalize, however, is to perform cleanup actions before the object is irrevocably discarded. For example, the finalize method for an object that represents an input/output connection might perform explicit I/O transactions to break the connection before the object is permanently discarded.

The finalize method of class Object performs no special action; it simply returns normally. Subclasses of Object may override this definition.

The Java programming language does not guarantee which thread will invoke the finalize method for any given object. It is guaranteed, however, that the thread that invokes finalize will not be holding any user-visible synchronization locks when finalize is invoked. If an uncaught exception is thrown by the finalize method, the exception is ignored and finalization of that object terminates.

After the finalize method has been invoked for an object, no further action is taken until the Java virtual machine has again determined that there is no longer any means by which this object can be accessed by any thread that has not yet died, including possible actions by other objects or classes which are ready to be finalized, at which point the object may be discarded.

The finalize method is never invoked more than once by a Java virtual machine for any given object.

Any exception thrown by the finalize method causes the finalization of this object to be halted, but is otherwise ignored.

Throws
`Throwable`

Interfaces

Classes

Enums

Exceptions

Most visited

Recently visited

Results for

Interpolator

Summary

Nested classes

Public constructors

Public methods

Protected methods

Inherited methods

Public constructors

Interpolator

Interpolator

Public methods

getKeyFrameCount

getValueCount

reset

reset

setKeyFrame

setKeyFrame

setRepeatMirror

timeToValues

timeToValues

Protected methods

finalize