blob: d6f1a1622b3c4acda5a493e9061463d8a8fe640e [file] [log] [blame]
// Copyright 2019 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// ignore_for_file: public_member_api_docs
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:share/share.dart';
import 'image_previews.dart';
void main() {
runApp(DemoApp());
}
class DemoApp extends StatefulWidget {
@override
DemoAppState createState() => DemoAppState();
}
class DemoAppState extends State<DemoApp> {
String text = '';
String subject = '';
List<String> imagePaths = [];
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Share Plugin Demo',
home: Scaffold(
appBar: AppBar(
title: const Text('Share Plugin Demo'),
),
body: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
TextField(
decoration: const InputDecoration(
labelText: 'Share text:',
hintText: 'Enter some text and/or link to share',
),
maxLines: 2,
onChanged: (String value) => setState(() {
text = value;
}),
),
TextField(
decoration: const InputDecoration(
labelText: 'Share subject:',
hintText: 'Enter subject to share (optional)',
),
maxLines: 2,
onChanged: (String value) => setState(() {
subject = value;
}),
),
const Padding(padding: EdgeInsets.only(top: 12.0)),
ImagePreviews(imagePaths, onDelete: _onDeleteImage),
ListTile(
leading: Icon(Icons.add),
title: Text("Add image"),
onTap: () async {
final imagePicker = ImagePicker();
final pickedFile = await imagePicker.getImage(
source: ImageSource.gallery,
);
if (pickedFile != null) {
setState(() {
imagePaths.add(pickedFile.path);
});
}
},
),
const Padding(padding: EdgeInsets.only(top: 12.0)),
Builder(
builder: (BuildContext context) {
return RaisedButton(
child: const Text('Share'),
onPressed: text.isEmpty && imagePaths.isEmpty
? null
: () => _onShare(context),
);
},
),
],
),
),
)),
);
}
_onDeleteImage(int position) {
setState(() {
imagePaths.removeAt(position);
});
}
_onShare(BuildContext context) async {
// A builder is used to retrieve the context immediately
// surrounding the RaisedButton.
//
// The context's `findRenderObject` returns the first
// RenderObject in its descendent tree when it's not
// a RenderObjectWidget. The RaisedButton's RenderObject
// has its position and size after it's built.
final RenderBox box = context.findRenderObject();
if (imagePaths.isNotEmpty) {
await Share.shareFiles(imagePaths,
text: text,
subject: subject,
sharePositionOrigin: box.localToGlobal(Offset.zero) & box.size);
} else {
await Share.share(text,
subject: subject,
sharePositionOrigin: box.localToGlobal(Offset.zero) & box.size);
}
}
}