buildForeground method
Actions section for the viewer. Including 'back' and 'confirm' button. 预览的操作区。包括"返回"和"确定"按钮。
Implementation
Widget buildForeground(BuildContext context) {
return SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 20),
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Semantics(
sortKey: const OrdinalSortKey(0),
child: Align(
alignment: AlignmentDirectional.centerStart,
child: buildBackButton(context),
),
),
Semantics(
sortKey: const OrdinalSortKey(2),
child: Align(
alignment: AlignmentDirectional.centerEnd,
child: buildConfirmButton(context),
),
),
],
),
),
);
}