Implement D-pad navigation for Android TV

lib/utils/storage_key.dart

@@ -29,7 +29,8 @@ abstract class SettingBoxKey {
       pauseOnMinimize = 'pauseOnMinimize',
       pgcSkipType = 'pgcSkipType',
       audioPlayMode = 'audioPlayMode',
-      showBatteryLevel = 'showBatteryLevel';
+      showBatteryLevel = 'showBatteryLevel',
+      enableTVMode = 'enableTVMode';
 
   static const String enableVerticalExpand = 'enableVerticalExpand',
       feedBackEnable = 'feedBackEnable',

lib/utils/storage_pref.dart

@@ -128,7 +128,7 @@ abstract class Pref {
     return SegmentType.values.map(
       (item) {
         final String e = list[item.index];
-        final color = e.isNotEmpty ? int.tryParse('FF$e', radix: 16) : null;
+        final color = e.isNotEmpty ? int.tryParse('FF\$e', radix: 16) : null;
         return color != null ? Color(color) : item.color;
       },
     ).toList();

pubspec.yaml

@@ -37,6 +37,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  dpad: ^2.0.2
   # 动态取色
   dynamic_color: ^1.8.1