界面整合v2

2023-05-14 20:55:26 +08:00
parent 6b43f59e1e
commit 709bdcc9e5
4 changed files with 27 additions and 15 deletions
--- a/lib/paper/paper.dart
+++ b/lib/paper/paper.dart
@@ -16,7 +16,12 @@ class Paper extends StatefulWidget {
  State<Paper> createState() => _PaperState();
 }

-class _PaperState extends State<Paper> {
+class _PaperState extends State<Paper>  with AutomaticKeepAliveClientMixin {
+
+  @override
+  bool get wantKeepAlive => true;
+
+
  List<Line> _lines = []; // 线列表

  int _activeColorIndex = 0; // 颜色激活索引