feat: initialize FocusNode in Popup and dispose it on close

Author: nini22P

lib/widgets/popup.dart

@@ -26,10 +26,13 @@ class Popup<T> extends PopupRoute<T> {
   Popup({
     required this.child,
     required this.direction,
-  });
+  }) {
+    _focusNode = FocusNode();
+  }
 
   final Widget child;
   final PopupDirection direction;
+  late final FocusNode _focusNode;
 
   bool _isPopping = false;
 
@@ -51,11 +54,17 @@ class Popup<T> extends PopupRoute<T> {
   @override
   Duration get transitionDuration => const Duration(milliseconds: 250);
 
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    super.dispose();
+  }
+
   @override
   Widget buildPage(BuildContext context, Animation<double> animation,
       Animation<double> secondaryAnimation) {
     return KeyboardListener(
-      focusNode: FocusNode(),
+      focusNode: _focusNode,
       autofocus: true,
       onKeyEvent: (event) {
         if (event.logicalKey == LogicalKeyboardKey.escape) {

pubspec.yaml

@@ -89,4 +89,4 @@ msix_config:
   trim_logo: false
   languages: en-us, zh-cn
   execution_alias: iris
-  file_extension: .aac, .aiff, .alac, .amr, .ape, .caf, .cda, .dsd, .dts, .flac, .m4a, .midi, .mp3, .mpc, .oga, .ogg, .opus, .raw, .spx, .tak, .tta, .wav, .wma, .wv, .3gp, .amv, .asf, .avi, .divx, .dpx, .drc, .dv, .f4v, .flv, .h264, .h265, .hevc, .m2ts, .m4p, .m4v, .mkv, .mng, .mov, .mp2, .mp4, .mpe, .mpeg, .mpg, .mpv, .mts, .mxf, .nsv, .ogv, .qt, .rm, .rmvb, .ts, .vob, .webm, .wmv, .yuv,
+  file_extension: .aac, .aiff, .alac, .amr, .ape, .caf, .cda, .dsd, .dts, .flac, .m4a, .midi, .mp3, .mpc, .oga, .ogg, .opus, .raw, .spx, .tak, .tta, .wav, .wma, .wv, .3gp, .amv, .asf, .avi, .divx, .dpx, .drc, .dv, .f4v, .flv, .h264, .h265, .hevc, .m2ts, .m4p, .m4v, .mkv, .mng, .mov, .mp2, .mp4, .mpe, .mpeg, .mpg, .mpv, .mts, .mxf, .nsv, .ogv, .qt, .rm, .rmvb, .ts, .vob, .webm, .wmv, .yuv