form_builder_file_picker 1.2.0-nullsafety.0

FilePicker Field for flutter_form_builder package. Used to select files as part of form input.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';
import 'package:form_builder_file_picker/form_builder_file_picker.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final _formKey = GlobalKey<FormBuilderState>();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('FormBuilder FilePicker Example'),
      ),
      body: Padding(
        padding: EdgeInsets.all(10),
        child: FormBuilder(
          key: _formKey,
          child: Column(
            children: <Widget>[
              FormBuilderFilePicker(
                name: 'images',
                decoration: InputDecoration(labelText: 'Attachments'),
                maxFiles: null,
                allowMultiple: true,
                previewImages: true,
                onChanged: (val) => print(val),
                selector: Row(
                  children: <Widget>[
                    Icon(Icons.file_upload),
                    Text('Upload'),
                  ],
                ),
                onFileLoading: (val) {
                  print(val);
                },
              ),
              SizedBox(height: 20),
              ElevatedButton(
                child: Text('Submit'),
                onPressed: () {
                  _formKey.currentState!.save();
                  print(_formKey.currentState!.value);
                },
              ),
            ],
          ),
        ),
      ),
    );
  }
}