PageTransitionTheme 继承自： Enum

用于路由切换的页面切换预设动画。

例如，它们可与 PageTransitionsTheme 配合使用，以定义各平台的导航动画。

枚举值

名称	类型	默认值	说明
NONE	—	'none'	Disables route transition animation.
FADE_UPWARDS	—	'fadeUpwards'	Fade-and-slide transition where the incoming page moves upward, similar to the one provided by Android O.
OPEN_UPWARDS	—	'openUpwards'	Upward reveal transition with clipping/scrim, matching the transition used on Android P.
ZOOM	—	'zoom'	Zoom/fade transition used by modern Material route animations, similar to the one provided in Android Q.
CUPERTINO	—	'cupertino'	Cupertino-style horizontal page transition, which matches native iOS page transitions.
PREDICTIVE	—	'predictive'	Predictive-back transition that allows peeking behind the current route on Android.
FADE_FORWARDS	—	'fadeForwards'	Fade-forward Material route transition, similar to the one provided by Android U.