tinkrugtm.dart

import 'package:flutter/material.dart';
import 'dart:math';
void main() {
  runApp(new GuessNumberGame());
}
class GuessNumberGame extends StatefulWidget {
  @override
  _GuessNumberState createState() => _GuessNumberState();
}
class _GuessNumberState extends State<GuessNumberGame> {
  @override
  int computer ;
  String message;

  @override
  void initState() {
    super.initState();
    Random r = Random ();
    computer = r.nextInt(10);
    computer = computer + 1;
    message = "Guess my number :)";
  }

  void calculateResult(int player){

    if (computer > player)
    {
      setState(() {
        message = "My number is higher.";
      });
    }

    if (computer < player)
    {
      setState(() {
        message = "My number is lower.";
      });
    }
    if (computer == player)
    {
      setState(() {
        message = "You got it !";
        Random r = Random ();
        computer = r.nextInt(10);
        computer = computer + 1;
      });
    }



  }


  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
//        backgroundColor: Colors.blueGrey,

        body:
        Container(
          margin: const EdgeInsets.fromLTRB(0, 0, 0, 0),
          padding: EdgeInsets.all(11.0),
          color: Colors.black87,
          child:Column(
            children:[
              Container(
                margin: const EdgeInsets.fromLTRB(0, 100, 0, 30),
                child:Text(
                  "$message",
                  style:TextStyle(color: Colors.lightGreenAccent,fontSize: 22),
                ),
              ),

              Row(
                  children:[
                    Container(
                      width: 70,
                      height:60,

                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(1);
                        },
                        child: Text(
                          "1",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),

                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(2);
                        },
                        child: Text(
                          "2",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(3);
                        },
                        child: Text(
                          "3",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(4);
                        },
                        child: Text(
                          "4",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),

                  ]
              ),
              Row(
                  children:[
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(5);
                        },
                        child: Text(
                          "5",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(6);
                        },
                        child: Text(
                          "6",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(7);
                        },
                        child: Text(
                          "7",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,
                        onPressed: () {
                          calculateResult(8);
                        },
                        child: Text(
                          "8",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),

                  ]
              ),
              Row(
                  children:[
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(9);
                        },
                        child: Text(
                          "9",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                    Container(
                      width: 70,
                      height:60,
                      margin: const EdgeInsets.fromLTRB(0, 0, 10, 10),
                      child:FlatButton(
                        color: Colors.black,
                        textColor: Colors.lightGreenAccent,

                        onPressed: () {
                          calculateResult(10);
                        },
                        child: Text(
                          "10",
                          style: TextStyle(fontSize: 32.0),
                        ),
                      ),
                    ),
                  ]
              ),
            ],
          ),
        ),
      ),
    );
  }
}