Flutter Buttons

Buttons

import "package:flutter/material.dart";
import "package:url_launcher/url_launcher.dart";
import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        backgroundColor: Colors.white,
        body: Center(
          child: SingleChildScrollView(
            child: Column(
              children: <Widget>[
                SizedBox(
                  height: 50,
                ),
                Text(
                  "Button Types in Flutter",
                  style: TextStyle(
                      fontSize: 30,
                      fontWeight: FontWeight.bold,
                      color: Colors.indigo),
                ),
                SizedBox(
                  height: 30,
                ),
                FlatButton(
                  color: Colors.green,
                  child: Text('FlatButton'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) {
                        return AlertDialog(
                          title: new Text("You pressed FlatButton"),
                          actions: <Widget>[
                            new FlatButton(
                              child: Icon(
                                Icons.check,
                                color: Colors.greenAccent,
                                size: 40,
                              ),
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                            ),
                          ],
                        );
                      },
                    );
                  },
                ),
                SizedBox(
                  height: 30,
                ),
                RaisedButton(
                  color: Colors.orange,
                  child: Text('RaisedButton'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) {
                        return AlertDialog(
                          title: new Text("You pressed RaisedButton"),
                          actions: <Widget>[
                            new FlatButton(
                              child: Icon(
                                Icons.check,
                                color: Colors.greenAccent,
                                size: 40,
                              ),
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                            ),
                          ],
                        );
                      },
                    );
                  },
                ),
                SizedBox(
                  height: 30,
                ),
                FloatingActionButton(
                  child: Icon(Icons.home),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) {
                        return AlertDialog(
                          title: new Text("You pressed FloatingButton"),
                          actions: <Widget>[
                            new FlatButton(
                              child: Icon(
                                Icons.check,
                                color: Colors.greenAccent,
                                size: 40,
                              ),
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                            ),
                          ],
                        );
                      },
                    );
                  },
                ),
                SizedBox(
                  height: 30,
                ),
                FloatingActionButton.extended(
                  icon: Icon(Icons.home),
                  label: Text('<Extended>'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) {
                        return AlertDialog(
                          title: new Text("You pressed Extended"),
                          actions: <Widget>[
                            new FlatButton(
                              child: Icon(
                                Icons.check,
                                color: Colors.greenAccent,
                                size: 40,
                              ),
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                            ),
                          ],
                        );
                      },
                    );
                  },
                ),
                SizedBox(
                  height: 30,
                ),
                IconButton(
                  color: Colors.green,
                  icon: Icon(Icons.android),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) {
                        return AlertDialog(
                          title: new Text("You pressed IconButton"),
                          actions: <Widget>[
                            new FlatButton(
                              child: Icon(
                                Icons.check,
                                color: Colors.greenAccent,
                                size: 40,
                              ),
                              onPressed: () {
                                Navigator.of(context).pop();
                              },
                            ),
                          ],
                        );
                      },
                    );
                  },
                ),
                SizedBox(
                  height: 30,
                ),
                InkWell(
                  onTap: launchURL,
                  child: Text("My Blog",
                      style: TextStyle(
                          color: Colors.blue,
                          fontSize: 13,
                          decoration: TextDecoration.underline)),
                ),
                SizedBox(
                  height: 30,
                ),
                GestureDetector(
                  onTap: launchURL,
                  child: Text("My Blog",
                      style: TextStyle(
                          color: Colors.blue,
                          fontSize: 13,
                          decoration: TextDecoration.underline)),
                ),
                SizedBox(
                  height: 30,
                ),
              ],
            ),
          ),
        ));
  }
}

Future launchURL() async {
  const url =
      "https://docs.google.com/document/d/e/2PACX-1vR0QAa9MblK12fYEHB_flEsNRVqnvlcCIB9E9uRZs2Q5FYjHE0yFHIpcOSnhl88P26_2l4PJSR_T_A-/pub";
  if (await canLaunch(url)) {
    await launch(url, forceSafariVC: true, forceWebView: true);
  } else {
    throw 'Could not launch $url';
  }
}