PathMotion
public
abstract
class
PathMotion
extends Object
 Known Direct Subclasses
| ArcMotion |
A PathMotion that generates a curved path along an arc on an imaginary circle containing
the two points.
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| PatternPathMotion |
A PathMotion that takes a Path pattern and applies it to the separation between two points.
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This base class can be extended to provide motion along a Path to Transitions.
Transitions such as ChangeBounds move Views, typically
in a straight path between the start and end positions. Applications that desire to
have these motions move in a curve can change how Views interpolate in two dimensions
by extending PathMotion and implementing getPath(float, float, float, float).
This may be used in XML as an element inside a transition.
<changeBounds>
<pathMotion class="my.app.transition.MyPathMotion"/>
</changeBounds>
Summary
Public methods |
|---|
abstract
Path
|
getPath(float startX, float startY, float endX, float endY)
Provide a Path to interpolate between two points (startX, startY) and
(endX, endY).
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Inherited methods |
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From
class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
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boolean
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equals(Object obj)
Indicates whether some other object is "equal to" this one.
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void
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finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
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final
Class<?>
|
getClass()
Returns the runtime class of this Object.
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int
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hashCode()
Returns a hash code value for the object.
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final
void
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notify()
Wakes up a single thread that is waiting on this object's
monitor.
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final
void
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notifyAll()
Wakes up all threads that are waiting on this object's monitor.
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String
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toString()
Returns a string representation of the object.
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final
void
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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.
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final
void
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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.
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final
void
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wait()
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object.
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Public constructors
PathMotion
PathMotion (Context context,
AttributeSet attrs)
| Parameters |
|---|
context |
Context
|
attrs |
AttributeSet
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Public methods
getPath
Path getPath (float startX,
float startY,
float endX,
float endY)
Provide a Path to interpolate between two points (startX, startY) and
(endX, endY). This allows controlled curved motion along two dimensions.
| Parameters |
|---|
startX |
float:
The x coordinate of the starting point. |
startY |
float:
The y coordinate of the starting point. |
endX |
float:
The x coordinate of the ending point. |
endY |
float:
The y coordinate of the ending point. |
| Returns |
|---|
Path |
A Path along which the points should be interpolated. The returned Path
must start at point (startX, startY), typically using
moveTo(float, float) and end at (endX, endY).
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Developers