appBar: AppBar(title: Text("stackpositioned"),), body: Center(child: stack_pos,), ), ); } }/** * Positioned()用在Stack()组件中

在Flutter动画初探一文中简单的讲解了AnimatedWidget等动画组件的使用,本篇继续对Flutter的动画组件进行讲解。本篇的主句是PositionedTransition这个动画。先来个高清有码

child: new Positioned( right: 0.0, 报错: Positioned widgets must be placed directly inside Stack widgets.标签: flutter 好文要顶 关注我

However, the free-wheel (40) can also be positioned in the vicinity of an output shaft (16) of the hydrodynamic coupling (14). 然而, 空转件(40)也