我想让文本中的每个单词都可以点击。然后,当点击特定的单词时,它的文本颜色应该会改变。
让每个单词可以点击是可行的。然而,当我点击一个单词时,文本颜色似乎没有改变。这是我目前的进展:
import 'package:flutter/material.dart';
import 'package:flutter/gestures.dart';
class MakeStringClickable extends StatefulWidget{
@override
State<StatefulWidget> createState() {
// TODO: implement createState
return _MakeStringClickableState();
}
}
class _MakeStringClickableState extends State<MakeStringClickable>{
String textToSplit = 'I would like to make each word clickable. On click of a particular word it's color should change.';
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
alignment: Alignment.center,
child: _buildTextSpanWithSplittedText(textToSplit, context)
),
);
}
RichText _buildTextSpanWithSplittedText(String textToSplit, BuildContext context) {
bool isPressed = false;
final splittedText = textToSplit.split(" ");
final spans = new List<TextSpan>();
for(int i = 0; i <= splittedText.length - 1; i++ ){
spans.add(TextSpan(
text: splittedText[i].toString() + " ",
style: TextStyle(color: isPressed ? Colors.black : Colors.red),
recognizer: new TapGestureRecognizer()..onTap = () {
setState(() {isPressed = !isPressed;});
}
));
}
return RichText(text: TextSpan(children: spans));
}
}
当我点击一个单词时,我希望它的颜色改为黑色,但是样式更改似乎没有按预期工作。我希望有人能够帮助我。