upgraded to null safety

Author: lohanidamodar

lib/android_signing.dart

@@ -1,9 +1,9 @@
 part of flutter_automation;
 
-String alias;
+String? alias;
 String keystorePath = "keys/keystore.jks";
-String keyPass;
-String keystorePass;
+String? keyPass;
+String? keystorePass;
 const String keyPropertiesPath = "./android/key.properties";
 
 /// Main function that uses other helper functions to setup android signing
@@ -23,16 +23,16 @@ void _generateKeystore() {
 
   stdout.write(
       "enter dname as (CN=popupbits.com, OU=DD, O=Popup Bits Ltd., L=Kathmandu, S=Bagmati, C=NP): ");
-  String dname = stdin.readLineSync();
-  if (dname.isEmpty) dname = defDname;
+  String? dname = stdin.readLineSync();
+  if (dname == null || dname.isEmpty) dname = defDname;
   stdout.write("key password: ");
   keyPass = stdin.readLineSync();
   stdout.write("keystore password: ");
   keystorePass = stdin.readLineSync();
-  if (alias.isEmpty ||
+  if (alias == null || alias!.isEmpty ||
       dname.isEmpty ||
-      keyPass.isEmpty ||
-      keystorePass.isEmpty) {
+      keyPass == null || keyPass!.isEmpty ||
+      keystorePass == null || keystorePass!.isEmpty) {
     stderr.writeln("All inputs that don't have default mentioned are required");
     return;
   }
@@ -46,15 +46,15 @@ void _generateKeystore() {
     "-genkey",
     "-noprompt",
     "-alias",
-    alias,
+    alias!,
     "-dname",
     dname,
     "-keystore",
     keystorePath,
     "-storepass",
-    keystorePass,
+    keystorePass!,
     "-keypass",
-    keyPass,
+    keyPass!,
     "-keyalg",
     "RSA",
     "-keysize",

lib/flutter_automation.dart

@@ -40,13 +40,13 @@ void decipherScript(List<String> arguments) async {
 
   var argResults = parser.parse(arguments);
   if (argResults.command?.name == "gen") {
-    final genArgResults = genParser.parse(argResults.command.arguments);
+    final genArgResults = genParser.parse(argResults.command!.arguments);
     if (genArgResults["core"]) {
       _genCore(path: genArgResults["path"]);
     } else {
       _genFeatureDirectory(
           path: genArgResults["path"],
-          feature: argResults.command.arguments.first);
+          feature: argResults.command!.arguments.first);
     }
     return;
   }

lib/gen/helper.dart

@@ -1,6 +1,6 @@
 part of flutter_automation;
 
-void _genFeatureDirectory({String path, String feature}) {
+void _genFeatureDirectory({String path = '', String? feature}) {
   _genBaseDirs("$path/features/$feature");
 }
 
@@ -17,7 +17,7 @@ void _genBaseDirs(String path) {
   stdout.writeln("resource directory created");
 }
 
-void _genCore({String path}) {
+void _genCore({String path = ''}) {
   final core = "$path/core";
   _genBaseDirs(core);
   final dbConstants = File("$core/res/db_constants.dart");

lib/google_maps.dart

@@ -11,7 +11,7 @@ Future<void> googleMaps() async {
 /// adds google maps dependency to pubspec.yaml file
 Future<void> addGoogleMap() async {
   if (_Commons.pluginExists("google_maps_flutter")) return;
-  String plugin = await _PubspecAPI().getPackage('google_maps_flutter');
+  String? plugin = await _PubspecAPI().getPackage('google_maps_flutter');
   if (plugin == null)
     plugin =
         "google_maps_flutter: ${_Commons.loadConfig()['plugins']['google_maps']}";

lib/pubspec_api.dart

@@ -3,8 +3,8 @@ part of flutter_automation;
 class _PubspecAPI {
   final String baseUrl = "https://pub.dev/api/packages/";
   _PubspecAPI();
-  Future<String> getPackage(String package) async {
-    http.Response res = await http.get(baseUrl + package);
+  Future<String?> getPackage(String package) async {
+    http.Response res = await http.get(baseUrl + package as Uri);
     if (res.statusCode == 200) {
       Map<String, dynamic> resJson = json.decode(res.body);
       _PubPackage package = _PubPackage.fromMap(resJson);
@@ -16,7 +16,7 @@ class _PubspecAPI {
 }
 
 class _PubPackage {
-  final String name;
+  final String? name;
   final _Version latest;
 
   _PubPackage(this.name, this.latest);
@@ -27,8 +27,8 @@ class _PubPackage {
 }
 
 class _Version {
-  final String version;
-  final String archiveUrl;
+  final String? version;
+  final String? archiveUrl;
 
   _Version(this.version, this.archiveUrl);
 

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.1.1"
   async:
     dependency: transitive
     description:
@@ -73,14 +73,14 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.2"
+    version: "0.13.3"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.3"
+    version: "4.0.0"
   matcher:
     dependency: transitive
     description:
@@ -108,7 +108,7 @@ packages:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0+1"
+    version: "1.11.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -176,6 +176,6 @@ packages:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "3.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"

pubspec.yaml

@@ -6,14 +6,14 @@ author: Damodar Lohani<dlohani48@gmail.com>
 homepage: https://github.com/lohanidamodar/flutter_automation
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
-  args: ^1.6.0
-  yaml: ^2.2.1
-  http: ^0.12.2
+  args: ^2.1.1
+  yaml: ^3.1.0
+  http: ^0.13.3
 
 dev_dependencies:
   flutter_test: