87 lines
No EOL
2.8 KiB
Dart
87 lines
No EOL
2.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:numberpicker/numberpicker.dart';
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import 'package:ohthatsa/other/AppDrawer.dart';
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import 'package:ohthatsa/util/DayCalculator.dart';
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import 'package:ohthatsa/util/Months.dart';
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class ModInstructionPage extends StatefulWidget {
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@override
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_ModInstructionPageState createState() => _ModInstructionPageState();
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}
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class _ModInstructionPageState extends State<ModInstructionPage> {
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int value;
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int div;
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int remainder;
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@override
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void initState(){
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super.initState();
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this.setValue(5);
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}
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void setValue(int newValue){
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value = newValue;
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div = value ~/ 7;
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remainder = value % 7;
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setState(() {});
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}
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static const textStyle = TextStyle(
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fontSize: 20
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);
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static const textStyleU = TextStyle(
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fontSize: 20,
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decoration: TextDecoration.underline
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);
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static const valueStyle = TextStyle(
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color: Colors.green,
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fontSize: 20
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);
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@override
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Widget build(BuildContext context){
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return Scaffold(
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drawer: AppDrawer(),
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appBar: AppBar(
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title: Text("Modulus Instructions")
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),
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body: Column(
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children: <Widget>[
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Container(
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padding: EdgeInsets.fromLTRB(0, 50, 0, 10),
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child:Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text("Modulus (Mod) is the remainder after dividing", style: textStyle),
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NumberPicker.integer(
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initialValue: value,
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minValue: 0,
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maxValue: 150,
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onChanged: (newValue) => { this.setValue(newValue) }
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text(value.toString(), style: valueStyle),
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Text(" divided by 7 is " + div.toString(), style: textStyle),
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],
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),
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Text("But that leaves " + remainder.toString() + " left over", style: textStyle),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text("So the result of ", style: textStyle),
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Text(value.toString(), style: valueStyle),
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Text(" mod 7 is ", style: textStyle),
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Text(remainder.toString(), style: textStyleU),
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],
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),
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]
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),
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),
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]
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)
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);
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}
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} |