优化打字机效果

lib/views/components/permanent/animated_text.dart

@@ -1,66 +0,0 @@
-//
-// import 'package:flutter/material.dart';
-//
-// class AnimatedText extends StatefulWidget {
-//   final String text;
-//   final int delayInMilliseconds;
-//   final int durationInMilliseconds;
-//   final TextStyle textStyle;
-//
-//   AnimatedText(this.text, this.delayInMilliseconds,
-//       {this.durationInMilliseconds: 2500, this.textStyle});
-//
-//   @override createState() =>  AnimatedTextState();
-// }
-//
-// class AnimatedTextState extends State<AnimatedText>
-//     with SingleTickerProviderStateMixin {
-//
-//   String currentText = '';
-//
-//   AnimationController _controller;
-//
-//   List<int> get  textRunes=> widget.text.runes.toList();
-//   int get value => _controller.value.toInt();
-//
-//   int curIndex = 0;
-//
-//
-//   @override
-//   void initState()  {
-//     super.initState();
-//     currentText = String.fromCharCode(textRunes[0]);
-//
-//     _controller =  AnimationController(
-//         vsync: this,
-//         value: 0.0,
-//         lowerBound: 0.0,
-//         upperBound: textRunes.length.toDouble(),
-//         duration:  Duration(milliseconds: widget.durationInMilliseconds));
-//
-//     _controller..addListener(_updateText)..forward();
-//
-//   }
-//
-//   _updateText(){
-//     if (value > curIndex && value < textRunes.length) {
-//       setState(() {
-//         curIndex = value;
-//         currentText +=  String.fromCharCode(textRunes[curIndex]);
-//       });
-//     }
-//   }
-//
-//   @override
-//   void dispose() {
-//     _controller.dispose();
-//     super.dispose();
-//   }
-//
-//   @override
-//   Widget build(BuildContext context) {
-//     return  Text(currentText, textAlign: TextAlign.left,
-//       style: widget.textStyle ??
-//            TextStyle(fontWeight: FontWeight.w600, fontSize: 20.0),);
-//   }
-// }