prime number.txt

//Enter Marks
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'dart:math';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  TextEditingController textbox =new TextEditingController();
  List<int> arrtextbox =[];
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home:Scaffold(
        appBar: AppBar(title: Text("text box"),),
        body: Column(
          children: [
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: TextField(
                controller: textbox,
                decoration: InputDecoration(
                  labelText: "Enter Marks",

                ),
              ),
            ),
           Padding(
             padding: const EdgeInsets.all(20.0),
             child: ElevatedButton(onPressed: () {
               int marks=int.parse(textbox.text);
               arrtextbox.add(marks);
                print(arrtextbox);
             }, child:Text("Save")),
           ),

            Padding(
              padding: const EdgeInsets.all(10.0),
              child: ElevatedButton(onPressed: () {
                print(arrtextbox.reduce((max)));
              }, child:Text("Max")),
            )
          ],
        ),
      ),
    );
  }
}



// Login

  import 'package:flutter/material.dart';

void main(){
  runApp(MaterialApp(
    home: MyApp(),
  ));
}

class MyApp extends StatelessWidget {
  MyApp({Key? key}) : super(key: key);
  TextEditingController txtUserName = new TextEditingController();
  TextEditingController txtPwd = new TextEditingController();	
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text("Login")),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          CircleAvatar(
            backgroundImage: AssetImage("one.jpeg"),
            radius: 50,
            backgroundColor: Colors.red,
          ),
          TextField(
            controller: txtUserName,
            decoration: InputDecoration(
              icon: Icon(Icons.verified_user),
              hintText: "Username",
              labelText: "Enter Username"),
            ),
            TextField(
              controller: txtPwd,
              decoration: InputDecoration(
                icon: Icon(Icons.verified_sharp),
                hintText: "Password",
                labelText: "Enter password",
              ),
            ),
            Container(
              margin: EdgeInsets.all(20.8),
              child: ElevatedButton(onPressed: () {}, child: Text("Login"))
            )
        ],
          ),
          floatingActionButton: FloatingActionButton(onPressed: () {
            print(txtUserName.text);
          },),
          );
  }
}

//Prime Number


import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    home: MyFirstApp(),
  ));
}

class MyFirstApp extends StatelessWidget {
  const MyFirstApp({super.key});

  void printMyName() {
    print("Vatsal Bhatiya");
  }

  void printPrimeNos() {
    for (int no = 1; no <=10; no++) {
      int totalFactors = 0;
      for (int cntr = 1; cntr <= no; cntr++) {
        if(no % cntr == 0) {
          totalFactors = totalFactors + 1;
        }
      }
      if (totalFactors == 2) {
        print("$no is prime");
      } else {
        print("$no is not prime");
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ElevatedButton.icon(
          onPressed: () => printMyName(),
          label: Text("Call"),
          icon: Icon(Icons.add_call),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => printPrimeNos(),
        child: Icon(
          Icons.clear,
          color: Colors.red,
        ),
        ),
        appBar: AppBar(title: Text("Prime No")),
    );
  }
}