we can use this after flutter 2.3
@override Widget build(BuildContext context) { List<int> text = [1,2,3,4]; return Scaffold( appBar: AppBar( title: Text(widget.title), ), body: Container( child: Column( children: [ for ( var i in text ) Text(i.toString()) ], ), ), );
and we use this for before flutter 2.3 @override Widget build(BuildContext context) { List<int> text = [1,2,3,4]; return Scaffold( appBar: AppBar( title: Text(widget.title), ), body: Container( child: Column( children: List.generate(text.length,(index){ return Text(text[index].toString()); }), ), ), );

final children = <Widget>[];
for (var i = 0; i < 10; i++) { children.add(new ListTile());
}
return new ListView( children: children,
);

void main() {
  List subjects = ['Math', 'Biology', 'Economic', 'History', 'Science'];
  for (String sName in subjects) {
    print(sName);
  }
}

 Widget build(BuildContext context) {
var list = [{'id':"123123","date":"20/08/2016"},{'id':"123124","date":"26/08/2016"},{'id':"123125","date":"26/08/2016"}]; return Scaffold( appBar: AppBar( title: Text(widget.title), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.start, children: <Widget>[ Text('Recent Claims'), Table( border: TableBorder.all(color: Colors.black), columnWidths: { 0: FixedColumnWidth(100.0), 1: FixedColumnWidth(100.0) }, children:[ for(var item in list ) TableRow(children: [ Text(item['id']), Text(item['date']), ])] ), }

for (int i = 0; i < 5; i++) { print('Value of i: $i');
}

import 'package:flutter/material.dart';
double x = 150;
double y = 150;
class Page7 extends StatelessWidget { const Page7({Key? key}) : super(key: key); @override Widget build(BuildContext context) { List<Widget> rows = []; for (int i = 0; i < 50; i++) { rows.add( Row( children: [ box(i * 5, i * 10, i * 15), // أمثلة للألوان، يمكنك تغييرها SizedBox(width: 8), box(i * 10, i * 15, i * 5), SizedBox(width: 8), box(i * 15, i * 5, i * 10), ], ), ); } return SafeArea( child: Scaffold( appBar: AppBar( foregroundColor: Colors.white, backgroundColor: Colors.blue, title: const Text("Material App"), ), body: Center( child: SingleChildScrollView( scrollDirection: Axis.horizontal, child: Column( children: rows, ), ), ), ), ); } Container box(int r, int g, int b) { return Container( height: y, width: x, color: Color.fromARGB(255, r % 255, g % 255, b % 255), ); }
}
void main() { runApp(MaterialApp( home: Page7(), ));
}

// for loop example in dart
void main() { for(int i = 0; i<10; i++) { print(i); }
}
// output: 0 1 2 3 4 5 6 7 8 9

void main() { for (int i = 0; i < 10; i++) { print(i); }
}