Samples maintenance (#435)

isolate_example/analysis_options.yaml

@@ -1,4 +1,4 @@
-include: package:pedantic/analysis_options.1.8.0.yaml
+include: package:pedantic/analysis_options.1.9.0.yaml
 
 analyzer:
   strong-mode:

isolate_example/lib/data_transfer_page.dart

@@ -159,11 +159,11 @@ class DataTransferIsolateController extends ChangeNotifier {
     _timer.reset();
     _timer.start();
 
-    List<int> randNums = [];
-    for (int i = 0; i < 100; i++) {
+    var randNums = <int>[];
+    for (var i = 0; i < 100; i++) {
       randNums.clear();
 
-      for (int j = 0; j < 1000000; j++) {
+      for (var j = 0; j < 1000000; j++) {
         randNums.add(random.nextInt(100));
       }
 
@@ -183,6 +183,7 @@ class DataTransferIsolateController extends ChangeNotifier {
     });
   }
 
+  @override
   void dispose() {
     super.dispose();
     _isolate?.kill(priority: Isolate.immediate);
@@ -226,7 +227,7 @@ class RunningList extends StatelessWidget {
 Future<void> _secondIsolateEntryPoint(SendPort sendPort) async {
   var receivePort = ReceivePort();
   sendPort.send(receivePort.sendPort);
-  int length = 1;
+  var length = 1;
 
   receivePort.listen(
     (dynamic message) async {
@@ -253,7 +254,7 @@ Future<void> _secondIsolateEntryPoint(SendPort sendPort) async {
 
 Iterable<int> createNums() sync* {
   var random = Random();
-  for (int i = 0; i < 100000000; i++) {
+  for (var i = 0; i < 100000000; i++) {
     yield random.nextInt(100);
   }
 }
@@ -263,10 +264,10 @@ Future<void> generateAndSum(
   Iterable<int> iter,
   int length,
 ) async {
-  int sum = 0;
-  int count = 1;
+  var sum = 0;
+  var count = 1;
 
-  for (int x in iter) {
+  for (var x in iter) {
     sum += x;
     if (count % 1000000 == 0) {
       callerSP.send((count ~/ 1000000) * length);

isolate_example/lib/infinite_process_page.dart

@@ -107,7 +107,7 @@ class InfiniteProcessIsolateController extends ChangeNotifier {
   Capability capability;
 
   int _currentMultiplier = 1;
-  List<int> _currentResults = [];
+  final List<int> _currentResults = [];
   bool _created = false;
   bool _paused = false;
 
@@ -174,6 +174,7 @@ class InfiniteProcessIsolateController extends ChangeNotifier {
     notifyListeners();
   }
 
+  @override
   void dispose() {
     newIsolate?.kill(priority: Isolate.immediate);
     newIsolate = null;
@@ -186,7 +187,7 @@ class RunningList extends StatelessWidget {
   Widget build(context) {
     final controller = Provider.of<InfiniteProcessIsolateController>(context);
 
-    List<int> sums = controller.currentResults;
+    var sums = controller.currentResults;
 
     return DecoratedBox(
       decoration: BoxDecoration(
@@ -219,9 +220,9 @@ class RunningList extends StatelessWidget {
 }
 
 Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
-  int multiplyValue = 1;
+  var multiplyValue = 1;
 
-  ReceivePort newIceRP = ReceivePort();
+  var newIceRP = ReceivePort();
   callerSP.send(newIceRP.sendPort);
 
   newIceRP.listen((dynamic message) {
@@ -232,9 +233,9 @@ Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
 
   // This runs until the isolate is terminated.
   while (true) {
-    int sum = 0;
+    var sum = 0;
 
-    for (int i = 0; i < 10000; i++) {
+    for (var i = 0; i < 10000; i++) {
       sum += await doSomeWork();
     }
 
@@ -243,12 +244,12 @@ Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
 }
 
 Future<int> doSomeWork() {
-  Random rng = Random();
+  var rng = Random();
 
   return Future(() {
-    int sum = 0;
+    var sum = 0;
 
-    for (int i = 0; i < 1000; i++) {
+    for (var i = 0; i < 1000; i++) {
       sum += rng.nextInt(100);
     }
 

isolate_example/pubspec.lock

@@ -122,7 +122,7 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.5"
+    version: "4.1.0"
   quiver:
     dependency: transitive
     description:
@@ -199,5 +199,5 @@ packages:
     source: hosted
     version: "3.6.1"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.1"
+  dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.17.0"

isolate_example/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  pedantic: ^1.8.0
+  pedantic: ^1.9.0
 
 
 flutter: