Bump flutter to 3.7.5 & Add workflows

Author: lijy91

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+      - run: |
+          sudo apt-get update -y
+          sudo apt-get install -y clang cmake ninja-build pkg-config libgtk-3-dev liblzma-dev
+      - run: flutter config --enable-linux-desktop
+      - run: cd example && flutter build linux -v
+  build-macos:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+      - run: flutter config --enable-macos-desktop
+      - run: cd example &&  flutter build macos -v
+  build-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+      - run: cd example && flutter build windows -v

.github/workflows/lint.yml

@@ -0,0 +1,36 @@
+name: lint
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: "stable"
+      - run: flutter analyze --fatal-infos
+
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: "stable"
+      - run: dart format . --fix --set-exit-if-changed
+
+  dependency_validator:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: "stable"
+      - run: flutter pub get
+      - run: flutter pub run dependency_validator

.gitignore

@@ -8,6 +8,7 @@
 .buildlog/
 .history
 .svn/
+migrate_working_dir/
 
 # IntelliJ related
 *.iml

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 LiJianying <[email protected]>
+Copyright (c) 2023 LiJianying <[email protected]>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

analysis_options.yaml

@@ -1,4 +1,22 @@
 include: package:flutter_lints/flutter.yaml
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+linter:
+  rules:
+    ## Error Rules
+    - always_use_package_imports
+    ## Style rules
+    - directives_ordering
+    - eol_at_end_of_file
+    - file_names
+    - flutter_style_todos
+    - library_names
+    - library_prefixes
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_is_not_operator
+    - prefer_null_aware_method_calls
+    - prefer_single_quotes
+    - sort_constructors_first
+    - sort_unnamed_constructors_first
+    ## Pub rules
+    - sort_pub_dependencies

dart_dependency_validator.yaml

@@ -0,0 +1,4 @@
+exclude:
+  - "example/**"
+ignore:
+  - flutter

example/lib/main.dart

@@ -1,3 +1,5 @@
+// ignore_for_file: avoid_print
+
 import 'dart:async';
 import 'dart:io';
 
@@ -209,7 +211,7 @@ class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
               '(tap on any of the above commands to print it to'
               ' the console/logger and copy to the device clipboard.)',
               textAlign: TextAlign.center,
-              style: Theme.of(context).textTheme.caption,
+              style: Theme.of(context).textTheme.bodySmall,
             ),
           ]
         ].expand((el) => el).toList(),
@@ -235,7 +237,7 @@ class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
   }
 
   void _showSnackBar(String msg) {
-    WidgetsBinding.instance?.addPostFrameCallback((_) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
       final context = _scaffoldKey.currentContext;
       if (context != null) {
         ScaffoldMessenger.of(context).showSnackBar(SnackBar(