[path_provider] Make a 0.0.5 for Dart 2.12 compat

packages/path_provider/path_provider_windows/CHANGELOG.md

@@ -1,6 +1,6 @@
-## 2.0.0
+## 0.0.5
 
-* Migrate to null safety
+* Add compatibility with Dart 2.12.
 
 ## 0.0.4+4
 

packages/path_provider/path_provider_windows/example/lib/main.dart

@@ -20,10 +20,10 @@ class MyApp extends StatefulWidget {
 }
 
 class _MyAppState extends State<MyApp> {
-  String? _tempDirectory = 'Unknown';
-  String? _downloadsDirectory = 'Unknown';
-  String? _appSupportDirectory = 'Unknown';
-  String? _documentsDirectory = 'Unknown';
+  String _tempDirectory = 'Unknown';
+  String _downloadsDirectory = 'Unknown';
+  String _appSupportDirectory = 'Unknown';
+  String _documentsDirectory = 'Unknown';
 
   @override
   void initState() {
@@ -33,10 +33,10 @@ class _MyAppState extends State<MyApp> {
 
   // Platform messages are asynchronous, so we initialize in an async method.
   Future<void> initDirectories() async {
-    String? tempDirectory;
-    String? downloadsDirectory;
-    String? appSupportDirectory;
-    String? documentsDirectory;
+    String tempDirectory;
+    String downloadsDirectory;
+    String appSupportDirectory;
+    String documentsDirectory;
     final PathProviderWindows provider = PathProviderWindows();
 
     try {

packages/path_provider/path_provider_windows/example/pubspec.yaml

@@ -23,5 +23,5 @@ flutter:
   uses-material-design: true
 
 environment:
-  sdk: ">=2.12.0-259.9.beta <3.0.0"
+  sdk: ">=2.11.0 <3.0.0"
   flutter: ">=1.20.0"

packages/path_provider/path_provider_windows/lib/src/path_provider_windows_real.dart

@@ -22,7 +22,7 @@ import 'folders.dart';
 class VersionInfoQuerier {
   /// Returns the value for [key] in [versionInfo]s English strings section, or
   /// null if there is no such entry, or if versionInfo is null.
-  getStringValue(Pointer<Uint8>? versionInfo, key) {
+  getStringValue(Pointer<Uint8> versionInfo, key) {
     if (versionInfo == null) {
       return null;
     }
@@ -53,7 +53,7 @@ class PathProviderWindows extends PathProviderPlatform {
 
   /// This is typically the same as the TMP environment variable.
   @override
-  Future<String?> getTemporaryPath() async {
+  Future<String> getTemporaryPath() async {
     final buffer = calloc<Uint16>(MAX_PATH + 1).cast<Utf16>();
     String path;
 
@@ -87,7 +87,7 @@ class PathProviderWindows extends PathProviderPlatform {
   }
 
   @override
-  Future<String?> getApplicationSupportPath() async {
+  Future<String> getApplicationSupportPath() async {
     final appDataRoot = await getPath(WindowsKnownFolder.RoamingAppData);
     final directory = Directory(
         path.join(appDataRoot, _getApplicationSpecificSubdirectory()));
@@ -104,11 +104,11 @@ class PathProviderWindows extends PathProviderPlatform {
   }
 
   @override
-  Future<String?> getApplicationDocumentsPath() =>
+  Future<String> getApplicationDocumentsPath() =>
       getPath(WindowsKnownFolder.Documents);
 
   @override
-  Future<String?> getDownloadsPath() => getPath(WindowsKnownFolder.Downloads);
+  Future<String> getDownloadsPath() => getPath(WindowsKnownFolder.Downloads);
 
   /// Retrieve any known folder from Windows.
   ///
@@ -151,13 +151,13 @@ class PathProviderWindows extends PathProviderPlatform {
   /// - If the product name isn't there, it will use the exe's filename (without
   ///   extension).
   String _getApplicationSpecificSubdirectory() {
-    String? companyName;
-    String? productName;
+    String companyName;
+    String productName;
 
     final Pointer<Utf16> moduleNameBuffer =
         calloc<Uint16>(MAX_PATH + 1).cast<Utf16>();
     final Pointer<Uint32> unused = calloc<Uint32>();
-    Pointer<Uint8>? infoBuffer;
+    Pointer<Uint8> infoBuffer;
     try {
       // Get the module name.
       final moduleNameLength = GetModuleFileName(0, moduleNameBuffer, MAX_PATH);
@@ -203,7 +203,7 @@ class PathProviderWindows extends PathProviderPlatform {
   /// https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
   ///
   /// If after sanitizing the string is empty, returns null.
-  String? _sanitizedDirectoryName(String? rawString) {
+  String _sanitizedDirectoryName(String rawString) {
     if (rawString == null) {
       return null;
     }

packages/path_provider/path_provider_windows/pubspec.yaml

@@ -1,7 +1,7 @@
 name: path_provider_windows
 description: Windows implementation of the path_provider plugin
 homepage: https://github.com/flutter/plugins/tree/master/packages/path_provider/path_provider_windows
-version: 2.0.0
+version: 0.0.5
 
 flutter:
   plugin:
@@ -11,7 +11,7 @@ flutter:
         pluginClass: none
 
 dependencies:
-  path_provider_platform_interface: ^2.0.0
+  path_provider_platform_interface: ^1.0.3
   meta: ^1.3.0
   path: ^1.8.0
   flutter:
@@ -25,5 +25,5 @@ dev_dependencies:
   pedantic: ^1.10.0
 
 environment:
-  sdk: ">=2.12.0-259.9.beta <3.0.0"
+  sdk: ">=2.11.0 <3.0.0"
   flutter: ">=1.20.0"

packages/path_provider/path_provider_windows/test/path_provider_windows_test.dart

@@ -13,7 +13,7 @@ class FakeVersionInfoQuerier implements VersionInfoQuerier {
 
   final Map<String, String> responses;
 
-  getStringValue(Pointer<Uint8>? versionInfo, key) => responses[key];
+  getStringValue(Pointer<Uint8> versionInfo, key) => responses[key];
 }
 
 void main() {