Class Overview
This evaluator can be used to perform type interpolation between integer
values that represent ARGB colors.
Summary
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Object
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evaluate(float fraction, Object startValue, Object endValue)
This function returns the calculated in-between value for a color
given integers that represent the start and end values in the four
bytes of the 32-bit int.
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[Expand]
Inherited Methods |
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From class
java.lang.Object
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Object
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clone()
Creates and returns a copy of this Object.
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boolean
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equals(Object o)
Compares this instance with the specified object and indicates if they
are equal.
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void
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finalize()
Invoked when the garbage collector has detected that this instance is no longer reachable.
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final
Class<?>
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getClass()
Returns the unique instance of Class that represents this
object's class. |
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int
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hashCode()
Returns an integer hash code for this object.
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final
void
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notify()
Causes a thread which is waiting on this object's monitor (by means of
calling one of the wait() methods) to be woken up.
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final
void
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notifyAll()
Causes all threads which are waiting on this object's monitor (by means
of calling one of the wait() methods) to be woken up.
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String
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toString()
Returns a string containing a concise, human-readable description of this
object.
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final
void
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wait()
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.
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final
void
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wait(long millis, int nanos)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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final
void
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wait(long millis)
Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the
specified timeout expires.
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From interface
android.animation.TypeEvaluator
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abstract
T
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evaluate(float fraction, T startValue, T endValue)
This function returns the result of linearly interpolating the start and end values, with
fraction representing the proportion between the start and end values.
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Public Constructors
Public Methods
public
Object
evaluate
(float fraction, Object startValue, Object endValue)
This function returns the calculated in-between value for a color
given integers that represent the start and end values in the four
bytes of the 32-bit int. Each channel is separately linearly interpolated
and the resulting calculated values are recombined into the return value.
Parameters
| fraction
| The fraction from the starting to the ending values |
| startValue
| A 32-bit int value representing colors in the
separate bytes of the parameter |
| endValue
| A 32-bit int value representing colors in the
separate bytes of the parameter |
Returns
- A value that is calculated to be the linearly interpolated
result, derived by separating the start and end values into separate
color channels and interpolating each one separately, recombining the
resulting values in the same way.
