Share data on tiles click using

Stream data

Author: thamaraiselvam

lib/main.dart

@@ -1,4 +1,5 @@
 // import 'package:add_numbers/screens/GameScreen.dart';
+import 'package:add_numbers/screens/GameScreen.dart';
 import 'package:add_numbers/screens/LoadingScreen.dart';
 import 'package:flutter/material.dart';
 
@@ -9,7 +10,7 @@ class MyApp extends StatelessWidget
   @override
   Widget build(BuildContext context) {
     return new MaterialApp(
-       home: new LoadingScreen(),
+       home: new GameScreen(),
     );
   }
 }

lib/screens/GameScreen.dart

@@ -1,9 +1,25 @@
+import 'dart:async';
 import 'package:add_numbers/widgets/bgGradient.dart';
 import 'package:add_numbers/widgets/numberBlockBuilder.dart';
 import 'package:add_numbers/widgets/targetBlockBuilder.dart';
 import 'package:flutter/material.dart';
 
-class GameScreen extends StatelessWidget {
+class GameScreen extends StatefulWidget {
+  @override
+  _GameScreenState createState() => _GameScreenState();
+}
+
+class _GameScreenState extends State<GameScreen> {
+  NumberCreater numberCreater = NumberCreater();
+
+  @override
+  void initState() {
+    super.initState();
+    numberCreater.stream.listen((data) {
+      print(data);
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -16,11 +32,11 @@ class GameScreen extends StatelessWidget {
               SizedBox(
                 height: 40,
               ),
-              buildTargetBlock(title: 'Target', targetValue: 19),
+              buildTargetBlock(title: 'Target', targetValue: 6),
               SizedBox(
                 height: 6,
               ),
-              buildNumberBlocks()
+              buildNumberBlocks(numberCreater)
             ],
           ),
         ),

lib/widgets/numberBlockBuilder.dart

@@ -1,6 +1,8 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 
-Container buildNumberBlocks() {
+Container buildNumberBlocks(NumberCreater numberCreater) {
   return Container(
     // alignment: Alignment.centerLeft,
     alignment: Alignment(0.0, 0.0),
@@ -10,30 +12,56 @@ Container buildNumberBlocks() {
       spacing: 40,
       runSpacing: 40,
       children: <Widget>[
-        numberBlock(Colors.white, Colors.yellow, 4),
-        numberBlock(Colors.white, Colors.red, 9),
-        numberBlock(Colors.white, Colors.blue, 1),
-        numberBlock(Colors.white, Colors.yellow, 1),
-        numberBlock(Colors.white, Colors.red, 1),
-        numberBlock(Colors.white, Colors.blue, 1),
+        numberBlock(numberCreater, Colors.white, Colors.yellow, 1),
+        numberBlock(numberCreater, Colors.white, Colors.red, 3),
+        numberBlock(numberCreater, Colors.white, Colors.blue, 4),
+        numberBlock(numberCreater, Colors.white, Colors.yellow, 2),
+        numberBlock(numberCreater, Colors.white, Colors.red, 10),
+        numberBlock(numberCreater, Colors.white, Colors.blue, 9),
       ],
     ),
   );
 }
 
-Container numberBlock(Color borderColor, Color bgColor, int value) {
-  return Container(
-    width: 120,
-    height: 120,
-    alignment: Alignment(0.0, 0.0),
-    decoration: BoxDecoration(
-        color: bgColor,
-        border: Border.all(color: borderColor, width: 5),
-        borderRadius: new BorderRadius.circular(10)),
-    child: Text(
-      value.toString(),
-      style: TextStyle(
-          color: Colors.white, fontSize: 40, fontWeight: FontWeight.bold),
+Widget numberBlock(NumberCreater numberCreater, Color borderColor, Color bgColor, int value) {
+  bool isSelected = false;
+  return Material(
+    child: InkWell(
+      onTap: () {
+        isSelected = isSelected ? false : true;
+        print(isSelected);
+        bgColor = Colors.red;
+        print(bgColor);
+        numberCreater.setCount(value);
+      }, // handle your onTap here
+      child: Container(
+        width: 120,
+        height: 120,
+        alignment: Alignment(0.0, 0.0),
+        decoration: BoxDecoration(
+            color: bgColor,
+            border: Border.all(color: borderColor, width: 5),
+            borderRadius: BorderRadius.circular(10)),
+        child: Text(
+          value.toString(),
+          style: TextStyle(
+              color: Colors.white, fontSize: 40, fontWeight: FontWeight.bold),
+        ),
+        // child: ,
+      ),
     ),
   );
 }
+
+class NumberCreater {
+  var _count = 1;
+
+  void setCount(int count){
+    this._count = count;
+    _controller.sink.add(count);
+  }
+
+  final _controller = StreamController<int>();
+
+  Stream<int> get stream => _controller.stream;
+}