import 'dart:math'; import 'package:flutter/material.dart'; import 'package:ohthatsa/pages/practice/PracticeAnswer.dart'; import 'package:ohthatsa/pages/practice/PracticePage.dart'; abstract class PracticeThing { final random = Random(); final List answers = new List(); final PracticePageState practicePageState; PracticeThing(this.practicePageState){ next(); } bool isCorrect(int answer); bool answer(int answer); void next(); List getBoolAnswers(); Text getAppBarTitleText(); Text getCurrentQuestionText(); Text getLastAnswerText(bool showCorrect); Text getSecondLastAnswerText(bool showCorrect); Widget getButtons(){ List buttons = List(); for(int i in [1,2,3,4,5,6,-1,0,-1]){ if (i == -1){ buttons.add(Container()); continue; } buttons.add( FlatButton( onPressed: () { practicePageState.checkAnswer(i); }, color: Colors.blue, textColor: Colors.white, child: Text( i.toString(), style: TextStyle(fontSize: 30) ) ) ); } return GridView.count( primary: false, crossAxisCount: 3, padding: EdgeInsets.fromLTRB(0, 20, 0, 20), mainAxisSpacing: 10, crossAxisSpacing: 10, shrinkWrap: true, children: buttons ); } }