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Description:

detectable text field

detectable_text_field #

Text widgets with detection features. You can detect hashtags, at sign, url, or anything you want.
Helps you develop Twitter like app.
Refinement of hashtagable.

Usage #
DetectableTextField #
DetectableTextField(
detectionRegExp: detectionRegExp(),
detectedStyle: TextStyle(
fontSize: 20,
color: Colors.blue,
),
)
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detectionRegExp decides the text to detect.
detectedStyle is the textStyle for detected text.

DetectableTextEditingController #
DetectableTextEditingController allows you to listen to the typingDetection. Ideal for features
like live hashtag or mention detection.

final controller = DetectableTextEditingController(
regExp: detectionRegExp(),
);

@override
void initState() {
super.initState();
controller.addListener(() {
setState(() {});
});
}

@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'Typing detection: ${controller.typingDetection}',
),
DetectableTextField(
controller: controller,
),
],
);
}
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DetectableTextEditingController extends TextEditingController, so you can use it
with TextField, TextFormField or any other widgets that accept TextEditingController.
If you use flutter_hooks, useDetectableTextEditingController is also available.
DetectableText #
If you want to use detection feature in the text only to display, use DetectableText.
DetectableText(
text: "#HashTag and @AtSign and https://pub.dev/packages/detectable_text_field",
detectionRegExp: detectionRegExp(),
detectedStyle: TextStyle(
fontSize: 20,
color: Colors.blue,
),
basicStyle: TextStyle(
fontSize: 20,
),
onTap: (tappedText){
print(tappedText);
},
)
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Usage of the arguments like detectionRegExp are same as the ones in DetectableTextField.
The argument onTap(String) is called when user tapped a detected text.
detectionRegExp() #
The widgets and methods in this package is expected to be used with RegExp.
The function detectionRegExp() returns sample regExp depending on the boolean arguments: hashtag
, atSign, and url.They are all true by default.
If you see
the API reference
, you will see the function just returns the sample regular expressions below. You can use them
directly if you want.

sample regExp
hashtag
atSign
url

hashTagRegExp
○
×
×

atSignRegExp
×
○
×

urlRegExp
×
×
○

hashTagAtSignRegExp
○
○
×

hashTagUrlRegExp
○
×
○

AtSignUrlRegExp
×
○
○

hashTagAtSignUrlRegExp
○
○
○

The detection rules are almost same as X(formally twitter).

It needs space before # or @.
It stops # and @ detection if there's emoji or symbol.

The examples currently support six languages: English, Japanese, Korean, Spanish, Arabic, and
Thai.

Customize with useful functions #

Check if there are detections

print(isDetected("Hello #World", hashTagRegExp));
// true

print(isDetected("Hello World", hashTagRegExp));
// false

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Extract detections from text

final List<String> detections = extractDetections(
"#Hello World #Flutter Dart #Thank you",
hashTagRegExp,
);
// ["#Hello", "#Flutter", "#Thank"]

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If you have any requests or questions, please feel free to ask
on github.
Contributors ✨ #
Thanks goes to these wonderful people (emoji key):

Santa Takahashi💻
Paresh Patil💻
Joseph Muller💻
Esteve Aguilera💻
MATTYGILO💻
Abdullahi A. Addow💻
Social Jawn💻

xuxiaowei13💻
debuggerx01💻
furukaze-akane💻
drown0315💻

This project follows the all-contributors
specification. Contributions of any kind welcome!