Text slide animation in Flutter (No external package)

main.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('Text Slide Animation')),
        body: TextSlideAnimation(),
      ),
    );
  }
}

class TextSlideAnimation extends StatefulWidget {
  @override
  _TextSlideAnimationState createState() => _TextSlideAnimationState();
}

class _TextSlideAnimationState extends State<TextSlideAnimation>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<Offset> _animation;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: const Duration(seconds: 10),
      vsync: this,
    )..repeat(reverse: false);

    _animation = Tween<Offset>(
      begin: Offset(1.0, 0.0),
      end: Offset(-1.0, 0.0),
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.linear,
    ));
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return ClipRRect(
      child: SlideTransition(
        position: _animation,
        child: Align(
          alignment: Alignment.centerLeft,
          child: Text(
            'Hi, I\'m Sixtus Agbo',
            style: Theme.of(context).textTheme.displayMedium,
            overflow: TextOverflow.visible,
            softWrap: false,
          ),
        ),
      ),
    );
  }
}

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