Analysis_options, format and fixups. (#103)

isolate_example/lib/main.dart

@@ -18,7 +18,7 @@ import 'page_one.dart';
 import 'page_two.dart';
 import 'page_three.dart';
 
-void main() => runApp(new MaterialApp(home: new StartApp()));
+void main() => runApp(MaterialApp(home: StartApp()));
 
 class StartApp extends StatelessWidget {
   @override

isolate_example/lib/page_one.dart

@@ -37,7 +37,7 @@ class _PerformancePageState extends State<PerformancePage> {
               children: [
                 FutureBuilder<void>(
                   future: computeFuture,
-                  builder: (BuildContext context, AsyncSnapshot snapshot) {
+                  builder: (context, snapshot) {
                     return RaisedButton(
                       child: const Text('Compute on Main'),
                       elevation: 8.0,
@@ -47,7 +47,7 @@ class _PerformancePageState extends State<PerformancePage> {
                 ),
                 FutureBuilder<void>(
                   future: computeFuture,
-                  builder: (BuildContext context, AsyncSnapshot snapshot) {
+                  builder: (context, snapshot) {
                     return RaisedButton(
                       child: const Text('Compute on Secondary'),
                       elevation: 8.0,
@@ -133,7 +133,7 @@ class SmoothAnimationWidget extends StatefulWidget {
 class SmoothAnimationWidgetState extends State<SmoothAnimationWidget>
     with TickerProviderStateMixin {
   AnimationController _controller;
-  var borderRadius;
+  Animation<BorderRadius> borderRadius;
 
   @override
   void initState() {
@@ -168,10 +168,10 @@ class SmoothAnimationWidgetState extends State<SmoothAnimationWidget>
   Widget build(BuildContext context) {
     return AnimatedBuilder(
       animation: borderRadius,
-      builder: (BuildContext context, Widget child) {
+      builder: (context, child) {
         return Center(
           child: Container(
-            child: new FlutterLogo(
+            child: FlutterLogo(
               size: 200,
             ),
             alignment: Alignment.bottomCenter,

isolate_example/lib/page_two.dart

@@ -40,7 +40,7 @@ class InfiniteProcessPage extends StatelessWidget {
             'Summation Results',
             style: Theme.of(context).textTheme.title,
           ),
-          padding: new EdgeInsets.all(8),
+          padding: EdgeInsets.all(8),
         ),
         Expanded(child: RunningList()),
         SafeArea(
@@ -97,7 +97,7 @@ class InfiniteProcessIsolateController extends ChangeNotifier {
   }
 
   void listen() {
-    mIceRP.listen((message) {
+    mIceRP.listen((dynamic message) {
       if (message is SendPort) {
         newIceSP = message;
         newIceSP.send(_currentMultiplier);
@@ -166,7 +166,7 @@ class RunningList extends StatelessWidget {
       decoration: BoxDecoration(
         color: Colors.grey[200],
       ),
-      child: new ListView.builder(
+      child: ListView.builder(
         itemCount: sums.length,
         itemBuilder: (context, index) {
           return Column(
@@ -198,7 +198,7 @@ Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
   ReceivePort newIceRP = ReceivePort();
   callerSP.send(newIceRP.sendPort);
 
-  newIceRP.listen((message) {
+  newIceRP.listen((dynamic message) {
     if (message is int) multiplyValue = message;
   });
 
@@ -216,7 +216,7 @@ Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
 }
 
 Future<int> brokenUpComputation(int num) {
-  Random rng = new Random();
+  Random rng = Random();
 
   return Future(() {
     int sum = 0;
@@ -228,7 +228,7 @@ Future<int> brokenUpComputation(int num) {
   });
 }
 
-Widget newButtons(context) {
+Widget newButtons(BuildContext context) {
   final controller =
       Provider.of<InfiniteProcessIsolateController>(context, listen: false);
 
@@ -249,30 +249,34 @@ Widget newButtons(context) {
   );
 }
 
-Widget radioButtonWidget(context) {
+Widget radioButtonWidget(BuildContext context) {
   final controller = Provider.of<InfiniteProcessIsolateController>(context);
 
-  return new Row(
+  return Row(
     mainAxisAlignment: MainAxisAlignment.center,
     children: [
-      new Radio(
+      Radio(
         value: 1,
         groupValue: controller.multiplier,
-        onChanged: (_) => controller.setMultiplier(1),
+        // The following is a result of https://github.com/dart-lang/linter/issues/695
+        // ignore: avoid_types_on_closure_parameters
+        onChanged: (int _) => controller.setMultiplier(1),
       ),
-      new Text('1x'),
-      new Radio(
+      Text('1x'),
+      Radio(
         value: 2,
         groupValue: controller.multiplier,
-        onChanged: (_) => controller.setMultiplier(2),
+        // ignore: avoid_types_on_closure_parameters
+        onChanged: (int _) => controller.setMultiplier(2),
       ),
-      new Text('2x'),
-      new Radio(
+      Text('2x'),
+      Radio(
         value: 3,
         groupValue: controller.multiplier,
-        onChanged: (_) => controller.setMultiplier(3),
+        // ignore: avoid_types_on_closure_parameters
+        onChanged: (int _) => controller.setMultiplier(3),
       ),
-      new Text('3x'),
+      Text('3x'),
     ],
   );
 }