odometer library Null safety
- The animated OdometerNumber automatically transitions from one number to another over a given duration whenever the given odometerNumber changes.
- The ImplicitlyAnimatedWidget uses the AnimatedOdometer with the sliding and fading digits transitions.
- The odometer number that is used in widgets AnimatedOdometer and OdometerTransition.
- The explicitly animated widget that transitions the OdometerNumber by the given odometerAnimation.
- The interpolation between two OdometerNumbers.
- The ExplicitlyAnimatedWidget uses the OdometerTransition with the sliding and fading digits transitions.