arrruealberto / animated_rotation

An implicit animation widget for rotation

AnimatedRotation

An implicitly animated version of RotationTransition which automatically transitions the rotation over time when the provided angle changes.

Check it out on DartPad

Install

Get it from pub. Add the dependency to your pubspec.yaml

dependencies:
  animated_rotation: ^1.0.0

Run flutter pub get in your root folder after saving the pubspec.yaml file

Usage

Here is an example of the counter app with text rotating based on the count

import 'package:animated_rotation/animated_rotation.dart';
import 'package:flutter/material.dart';

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

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text("AnimatedRotation example"),
        ),
        body: Center(
          child: AnimatedRotation(
            angle: _counter,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                Text(
                  'You have pushed the button this many times:',
                ),
                Text(
                  '$_counter',
                  style: Theme.of(context).textTheme.display1,
                ),
              ],
            ),
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () {
            setState(() {
              _counter++;
            });
          },
          tooltip: 'Increment',
          child: Icon(Icons.add),
        ),
      ),
    );
  }
}

Example image

Example gif