scroll_screenshot

A new Flutter package 'scroll_screenshot' function allows you to capture a full-size screenshot, and scrolling functionality is also available to capture full screens, including those hidden at the bottom

Essential Guide

Flutter Scroll Screenshot Medium

Installation

1. Add the latest version of package to your pubspec.yaml (and rundart pub get):

dependencies:
  scroll_screenshot: ^0.0.4

2. Import the package and use it in your Flutter App.

import 'dart:developer';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:scroll_screenshot/scroll_screenshot.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final GlobalKey globalKey = GlobalKey();

  @override
  void initState() {
    super.initState();
  }

  Future<void> _captureAndSaveScreenshot() async {
    String? base64String =
    await ScrollScreenshot.captureAndSaveScreenshot(globalKey);
    log(base64String!);
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        appBar: AppBar(
          backgroundColor: Theme.of(context).primaryColor,
          title: const Text("Scroll Screenshot"),
        ),
        body: SingleChildScrollView(
          child: RepaintBoundary(
            key: globalKey,
            child: Column(
              children: <Widget>[
                SizedBox(
                  height: 2250,
                  width: MediaQuery.of(context).size.width,
                  child: Column(children: [
                    LayoutBuilder(
                      builder:
                          (BuildContext context, BoxConstraints constraints) {
                        return SizedBox(
                          height: 2250, // Adjust the height as needed
                          child: ListView.builder(
                            physics: const NeverScrollableScrollPhysics(),
                            itemCount: 40,
                            itemBuilder: (BuildContext context, int index) {
                              return ListTile(
                                title: Text(
                                  'Item ${index+1}',
                                ),
                              );
                            },
                          ),
                        );
                      },
                    ),
                  ]),
                ),
              ],
            ),
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: _captureAndSaveScreenshot,
          child: const Icon(Icons.screenshot),
        ),
      ),
    );
  }
}