child2 property

Widget? child2
final

子组件。子组件允许是任意类型的 Widget。 通过 child1Alignment 和 child1Margin 可以控制它在组件中的位置。

Subassembly. Child components are allowed to be any type of widget. Child1Alignment and child1Margin can control its position in the component.

Implementation

final Widget? child2;