A propagation that varies with the distance to the epicenter of the Transition
or center of the scene if no epicenter exists. When a View is visible in the
start of the transition, Views farther from the epicenter will transition
sooner than Views closer to the epicenter. When a View is not in the start
of the transition or is not visible at the start of the transition, it will
transition sooner when closer to the epicenter and later when farther from
the epicenter. This is the default TransitionPropagation used with
Called by Transition to alter the Animator start delay. All start delays will be adjusted
such that the minimum becomes zero.
ViewGroup: The root of the View hierarchy running the transition.
Transition: The transition that created the Animator
TransitionValues: The values for a specific target in the start scene.
TransitionValues: The values for the target in the end scene.
A start delay to use with the Animator created by transition. The
delay will be offset by the minimum delay of all TransitionPropagations
used in the Transition so that the smallest delay will be 0. Returned values may be
Sets the speed at which transition propagation happens, relative to the duration of the
Transition. A propagationSpeed of 1 means that a View centered farthest from
the epicenter and View centered at the epicenter will have a difference
in start delay of approximately the duration of the Transition. A speed of 2 means the
start delay difference will be approximately half of the duration of the transition. A
value of 0 is illegal, but negative values will invert the propagation.
float: The speed at which propagation occurs, relative to the duration
of the transition. A speed of 4 means it works 4 times as fast
as the duration of the transition. May not be 0.