Flutter-quill
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Product Details
Flutter Quill
A rich text editor for Flutter
Flutter Quill is a rich text editor and a Quill component for Flutter.
This library is a WYSIWYG (What You See Is What You Get) editor built for the modern Android, iOS, web and desktop platforms.
Check out our Youtube Playlist or Code Introduction to take a detailed walkthrough of the code base. You can join our Slack Group for discussion.
π Table of contents
- π¦ Installation
- π Platform Setup
- π Usage
- π€ Input / Output
- βοΈ Configurations
- π¦ Embed Blocks
- π Delta Conversion
- π Rich Text Paste
- π Translation
- π§ͺ Testing
- π€ Contributing
- π Acknowledgments
π¦ Installation
flutter pub add flutter_quill
OR
dependencies:
flutter_quill:
git:
url: https://github.com/singerdmx/flutter-quill.git
ref: v<latest-version-here>
[!TIP] If you're using version
10.0.0
, see the migration guide to migrate to11.0.0
.
π Platform Setup
The flutter_quill
package uses the following plugins:
url_launcher
: to open links.quill_native_bridge
: to access platform-specific APIs for the editor.flutter_keyboard_visibility_temp_fork
to listen for keyboard visibility changes.
Android Configuration for quill_native_bridge
To support copying images to the clipboard to be accessed by other apps, you need to configure your Android project. If not set up, a warning will appear in the log during debug mode only.
[!TIP] This is only required on Android for this optional feature. You should be able to copy images and paste them inside the editor without any additional configuration.
1. Update AndroidManifest.xml
Open android/app/src/main/AndroidManifest.xml
and add the following inside the <application>
tag:
<manifest>
<application>
...
<provider
android:name="androidx.core.content.FileProvider"
android:authorities="${applicationId}.fileprovider"
android:exported="false"
android:grantUriPermissions="true" >
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
</provider>
...
</application>
</manifest>
2. Create file_paths.xml
Create the file android/app/src/main/res/xml/file_paths.xml
with the following content:
<paths>
<cache-path name="cache" path="." />
</paths>
[!NOTE] Starting with Flutter Quill
10.8.4
, super_clipboard is no longer required influtter_quill
orflutter_quill_extensions
. The new default is an internal pluginquill_native_bridge
. If you want to continue usingsuper_clipboard
, you can use the quill_super_clipboard package (support may be discontinued).
π Usage
Add the localization delegate to your app widget:
import 'package:flutter_quill/flutter_quill.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
MaterialApp(
localizationsDelegates: const [
GlobalMaterialLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
FlutterQuillLocalizations.delegate,
]οΌ
);
Instantiate a controller:
QuillController _controller = QuillController.basic();
Use the QuillEditor
and QuillSimpleToolbar
widgets,
and attach the QuillController
to them:
QuillSimpleToolbar(
controller: _controller,
config: const QuillSimpleToolbarConfig(),
),
Expanded(
child: QuillEditor.basic(
controller: _controller,
config: const QuillEditorConfig(),
),
)
Dispose of the QuillController
in the dispose
method:
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Check out Sample Page for more advanced usage.
π₯ Breaking Changes
-
APIs marked with
@experimental
are subject to change or removal at any time and should be used with caution, as they may be altered even in minor versions. -
APIs marked with
@internal
and@visibleForTesting
are not intended for public use and should be avoided entirely. -
The
package:flutter_quill/internal.dart
expose internal APIs to be used by other related packages and should be avoided when possible.
We make every effort to ensure internal APIs are not exported by default. Use experimental features at your own discretion.
We recommend checking the CHANGELOG.md
or release notes for each update to stay informed.
π€ Input / Output
This library utilizes Quill Delta to represent document content. The Delta format is a compact and versatile method for describing document changes through a series of operations that denote insertions, deletions, or formatting changes.
- Use
_controller.document.toDelta()
to extract the deltas. - Use
_controller.document.toPlainText()
to extract plain text.
To save the document:
final String json = jsonEncode(_controller.document.toDelta().toJson());
// Stores the JSON Quill Delta
To load the document:
final String json = ...; // Load the previously stored JSON Quill Delta
_controller.document = Document.fromJson(jsonDecode(json));
To change the read-only mode:
_controller.readOnly = true; // Or false to allow edit
π Links
βοΈ Configurations
The QuillSimpleToolbar
and QuillEditor
widgets are both customizable.
Sample Page provides sample code for advanced usage and configuration.
π Links
- π οΈ Using Custom App Widget
- π Localizations Setup
- π Font Size
- π Font Family
- π Custom Toolbar buttons
- π Search
- βοΈ Shortcut events
- π¨ Custom Toolbar
π Font Family
To use your own fonts, update your Assets directory and pass in items
to QuillToolbarFontFamilyButton
's options.
More details
on this commit,
this article
and this.
π¦ Embed Blocks
The flutter_quill
package provides an interface for all the users to provide their own implementations for embed
blocks.
Refer to the Custom Embed Blocks for more details.
π οΈ Using the embed blocks from flutter_quill_extensions
The flutter_quill_extensions
package provide implementations for image and video embed blocks.
π Delta Conversion
[!CAUTION] Storing the Delta as HTML in the database to convert it back to Delta when loading the document is not recommended due to the structural and functional differences between HTML and Delta (see this comment). We recommend storing the Document as Delta JSON instead of other formats (e.g., HTML, Markdown, PDF, Microsoft Word, Google Docs, Apple Pages, XML).
Converting Delta from/to HTML is not a standard feature in Quill JS or Flutter Quill.
Available Packages for Conversion
Package | Description |
---|---|
vsc_quill_delta_to_html |
Converts Delta to HTML. |
flutter_quill_delta_from_html |
Converts HTML to Delta. |
flutter_quill_to_pdf |
Converts Delta to PDF. |
markdown_quill |
Converts Markdown to Delta and vice versa. |
flutter_quill_delta_easy_parser |
Converts Quill Delta into a simplified document format, making it easier to manage and manipulate text attributes. |
[!TIP] You might want to convert between HTML and Delta for some use cases:
- Migration: If you're using an existing system that stores the data in HTML and want to convert the document data to Delta.
- Sharing: For example, if you want to share the Document Delta somewhere or send it as an email.
- Save as: If your app has a feature that allows converting Documents to other formats.
- Rich text pasting: If you copy some content from websites or apps, and want to paste it into the app.
- SEO: In case you want to use HTML for SEO support.
π Rich Text Paste
This feature allows the user to paste the content copied from other apps into the editor as rich text.
The plugin quill_native_bridge
provides access to the system Clipboard.
[!IMPORTANT] Currently this feature is unsupported on the web. See issue #1998 and issue #2220 for more details.
π Translation
The package offers translations for the toolbar and editor widgets, it will follow the system locale unless you set your own locale.
See the translation page for more info.
π§ͺ Testing
Take a look at flutter_quill_test for testing.
Currently, the support for testing is limited.
π€ Contributing
[!IMPORTANT] At this time, we prioritize bug fixes and code quality improvements over new features. Please refrain from submitting large changes to add new features, as they might not be merged, and exceptions may made. We encourage you to create an issue or reach out beforehand, explaining your proposed changes and their rationale for a higher chance of acceptance. Thank you!
We greatly appreciate your time and effort.
To keep the project consistent and maintainable, we have a few guidelines that we ask all contributors to follow. These guidelines help ensure that everyone can understand and work with the code easier.
See Contributing for more details.
π Acknowledgments
-
Special thanks to everyone who has contributed to this project...
Made with contrib.rocks.
-
Thanks to the welcoming community, the volunteers who helped along the journey, developers, contributors and contributors who put time and effort into everything including making all the libraries, tools, and the information we rely on
-
We are incredibly grateful to many individuals and organizations who have played a role in the project. This includes the welcoming community, dedicated volunteers, talented developers and contributors, and the creators of the open-source tools we rely on.