feat: use noto sans sc as default font; fix build script on arm64 linux.

app/build_deb.sh

@@ -2,23 +2,57 @@
 
 VERSION=$(dart version.dart)
 
+if [ -e pubspec.yaml.bak ]; then
+    mv pubspec.yaml.bak pubspec.yaml
+fi
+
 flutter clean
+
+cp pubspec.yaml pubspec.yaml.bak
+ln -s /usr/share/fonts/opentype/noto/ noto_fonts
+
+cat >> pubspec.yaml << EOF
+  fonts:
+    - family: NotoSansSC
+      fonts:
+        - asset: noto_fonts/NotoSansCJK-Regular.ttc
+          weight: 400
+        - asset: noto_fonts/NotoSansCJK-Bold.ttc
+          weight: 700
+
+EOF
+
 flutter build linux
 
+rm pubspec.yaml
+rm noto_fonts
+mv pubspec.yaml.bak pubspec.yaml
+
 if [ -e deb_builder ]; then
     rm -rf deb_builder
 fi
 
+ARCH="x64"
+
+if [[ $(uname -m) == aarch64 ]]; then
+  ARCH="arm64"
+fi
+
 mkdir "deb_builder"
 
 cp -r debian deb_builder/DEBIAN
+chmod -R 755 deb_builder/DEBIAN
 cp ../LICENSE deb_builder/DEBIAN/copyright
 
 echo Version: "$VERSION" >> deb_builder/DEBIAN/control
 
 mkdir -p deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/
 
-cp -r build/linux/x64/release/bundle deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/files
+cp -r build/linux/"$ARCH"/release/bundle deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/files
+
+rm -rf deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/files/data/flutter_assets/noto_fonts/
+
+ln -s /usr/share/fonts/opentype/noto/ deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/files/data/flutter_assets/noto_fonts
 
 cp -r dde_package_info/* deb_builder/opt/apps/com.debuggerx.dde-gesture-manager/
 
@@ -32,4 +66,4 @@ sed -i "s/VERSION/$VERSION/g" deb_builder/opt/apps/com.debuggerx.dde-gesture-man
 
 dpkg-deb -b deb_builder
 
-mv deb_builder.deb dgm-"$VERSION"_x64.deb
+mv deb_builder.deb dgm-"$VERSION"_"$ARCH".deb

app/debian/control

@@ -10,4 +10,5 @@ Build-Depends:
 Homepage: https://github.com/debuggerx01/dde_gesture_manager
 Package: dde-gesture-manager
 Architecture: amd64
+Depends: fonts-noto-cjk
 Description: 专为 DDE 桌面环境打造的触摸板手势管理工具（缩写：dgm），使用 Flutter 构建。

app/lib/constants/constants.dart

@@ -21,6 +21,8 @@ const double defaultButtonHeight = 36;
 
 const userGestureConfigFilePath = 'deepin/dde-daemon/gesture.json';
 
+const defaultFontFamily = 'NotoSansSC';
+
 const deepinLogoutCommands = [
   'dbus-send',
   '--type=method_call',

app/lib/themes/dark.dart

@@ -1,7 +1,13 @@
-import 'package:flutter/material.dart';
 import 'package:dde_gesture_manager/constants/constants.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+final _darkTheme = ThemeData(
+  brightness: Brightness.dark,
+  fontFamily: kIsWeb ? null : defaultFontFamily,
+);
 
-var darkTheme = ThemeData.dark().copyWith(
+var darkTheme = _darkTheme.copyWith(
   primaryColor: Colors.grey,
   scaffoldBackgroundColor: Color(0xff252525),
   backgroundColor: Color(0xff282828),
@@ -9,21 +15,23 @@ var darkTheme = ThemeData.dark().copyWith(
     color: Color(0xffc0c6d4),
   ),
   dividerColor: Color(0xfff3f3f3),
-  textTheme: ThemeData.dark().textTheme.copyWith(
+  textTheme: _darkTheme.textTheme.copyWith(
         headline1: TextStyle(
           color: Color(0xffc0c6d4),
+          fontFamilyFallback: kIsWeb ? null : [defaultFontFamily],
         ),
         bodyText2: TextStyle(
           color: Color(0xffc0c6d4),
+          fontFamilyFallback: kIsWeb ? null : [defaultFontFamily],
         ),
       ),
-  popupMenuTheme: ThemeData.dark().popupMenuTheme.copyWith(
+  popupMenuTheme: _darkTheme.popupMenuTheme.copyWith(
         shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.circular(defaultBorderRadius),
         ),
       ),
   dialogBackgroundColor: Color(0xff202020),
-  tooltipTheme: ThemeData.dark().tooltipTheme.copyWith(
+  tooltipTheme: _darkTheme.tooltipTheme.copyWith(
         textStyle: TextStyle(
           color: Colors.grey,
         ),

app/lib/themes/light.dart

@@ -1,7 +1,13 @@
 import 'package:dde_gesture_manager/constants/constants.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
-var lightTheme = ThemeData.light().copyWith(
+final _lightTheme = ThemeData(
+  brightness: Brightness.light,
+  fontFamily: kIsWeb ? null : defaultFontFamily,
+);
+
+var lightTheme = _lightTheme.copyWith(
   primaryColor: Colors.blue,
   scaffoldBackgroundColor: Color(0xfff8f8f8),
   backgroundColor: Color(0xffffffff),
@@ -9,21 +15,23 @@ var lightTheme = ThemeData.light().copyWith(
     color: Color(0xff414d68),
   ),
   dividerColor: Colors.grey.shade600,
-  textTheme: ThemeData.light().textTheme.copyWith(
+  textTheme: _lightTheme.textTheme.copyWith(
         headline1: TextStyle(
           color: Color(0xff414d68),
+          fontFamilyFallback: kIsWeb ? null : [defaultFontFamily],
         ),
         bodyText2: TextStyle(
           color: Color(0xff414d68),
+          fontFamilyFallback: kIsWeb ? null : [defaultFontFamily],
         ),
       ),
-  popupMenuTheme: ThemeData.dark().popupMenuTheme.copyWith(
+  popupMenuTheme: _lightTheme.popupMenuTheme.copyWith(
         shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.circular(defaultBorderRadius),
         ),
       ),
   dialogBackgroundColor: Color(0xfffefefe),
-  tooltipTheme: ThemeData.dark().tooltipTheme.copyWith(
+  tooltipTheme: _lightTheme.tooltipTheme.copyWith(
         textStyle: TextStyle(
           color: Colors.grey.shade600,
         ),