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Description:

fluttertagger

FlutterTagger #

FlutterTagger is a Flutter package that allows for the extension of TextFields to provide tagging capabilities. A typical use case is in social apps where user mentions and hashtags features are desired.
Install 🚀 #
In the pubspec.yaml of your flutter project, add the following dependency:
dependencies:
fluttertagger: ^2.2.1
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Import the package in your project 📥 #
import 'package:fluttertagger/fluttertagger.dart';
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Usage 🏗️ #
FlutterTagger(
controller: flutterTaggerController,
onSearch: (query, triggerCharacter) {
//perform search
},
//characters that can trigger a search and the styles
//to be applied to their tagged results in the TextField
triggerCharacterAndStyles: const {
'@': TextStyle(color: Colors.pinkAccent),
'#': TextStyle(color: Colors.blueAccent),
},
overlay: SearchResultView(),
builder: (context, textFieldKey) {
//return a TextField and pass it `textFieldKey`
return TextField(
key: textFieldKey,
controller: flutterTaggerController,
suffix: IconButton(
onPressed: () {
//get formatted text from controller
final text = flutterTaggerController.formattedText;

//perform send action...

FocusScope.of(context).unfocus();
flutterTaggerController.clear();
},
icon: const Icon(
Icons.send,
color: Colors.redAccent,
),
),
);
},
)
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Here's how trigger a search by updating the controller directly instead of typing into a keyboard:
FlutterTagger(
controller: flutterTaggerController,
onSearch: (query, triggerCharacter) {
//perform search
},
//characters that can trigger a search and the styles
//to be applied to their tagged results in the TextField
triggerCharacterAndStyles: const {
'@': TextStyle(color: Colors.pinkAccent),
'#': TextStyle(color: Colors.blueAccent),
},
overlay: SearchResultView(),
builder: (context, textFieldKey) {
// return a TextField and pass it `textFieldKey`
return TextField(
key: textFieldKey,
controller: flutterTaggerController,
suffix: IconButton(
onPressed: () {
// get formatted text from controller
String text = flutterTaggerController.formattedText;

// append a trigger character to activate the search context
flutterTaggerController.text = text += '#';

// update text selection
flutterTaggerController.selection = TextSelection.fromPosition(
TextPosition(offset: flutterTaggerController.text.length),
);

// append other characters to trigger search
flutterTaggerController.text = text += 'f';

// update text selection
flutterTaggerController.selection = TextSelection.fromPosition(
TextPosition(offset: flutterTaggerController.text.length),
);

// then call formatTags on the controller to preserve formatting
flutterTaggerController.formatTags();
},
icon: const Icon(
Icons.send,
color: Colors.redAccent,
),
),
);
},
)
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Explore detailed example demo here.
Demo 📷 #

Contributions 🫱🏾‍🫲🏼 #
Feel free to contribute to this project.
If you find a bug or want a feature, but don't know how to fix/implement it, please fill an issue.
If you fixed a bug or implemented a feature, please send a pull request.