/TypeScript/Flutter rotate animation icon on press

Flutter rotate animation icon on press

@override
  void initState() {
    super.initState();

    _controller = AnimationController(
      vsync: this,
      duration: Duration(milliseconds: 300),
      upperBound: 0.5,
    );
  }
  
  @override
  void dispose() {
    super.dispose();
    _controller.dispose();
  }
  
  RotationTransition(
              turns: Tween(begin: 0.0, end: 0.5).animate(_controller),
              child: IconButton(
                icon: Icon(Icons.expand_less),
                onPressed: () {
                  setState(() {
                    if (_expanded) {
                      _controller..reverse(from: 0.5);
                    } else {
                      _controller..forward(from: 0.0);
                    }
                    _expanded = !_expanded;
                  });
                },
              ),
            )

Source: stackoverflow.com

Similar codes

0 vote148 views3 answers
Dependencymanagement imports mavenbom
TypeScript
-1 vote154 views1 answer
What was in Rome that helped Renaissance artists achieve their goal of Humanism?
TypeScript
0 vote177 views1 answer
"ValueError: Solver lbfgs supports only 'l2' or 'none' penalties, got l1 penalty." in machine learning
TypeScript
0 vote177 views1 answer
Docker: Error response from daemon: Ports are not available: listen tcp 0.0.0.0:3306: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted.
TypeScript
1 vote135 views1 answer
Remove all children of node in typescript
TypeScript
0 vote155 views1 answer
React Draft Wysiwyg typescript
TypeScript
0 vote138 views1 answer
Python convert a csv to a tsv
TypeScript
0 vote146 views1 answer
Typescript import rename
TypeScript
2 votes156 views1 answer
Find total commits in git
TypeScript
0 vote193 views1 answer
Typescript date before
TypeScript