Getting Error: This ticker was canceled

[rohitsangwan01]

Hey ,am using Rotation Animation , and this Widget is in if/Else condition so on changing condition , widget is changing , for example , this RotationAnimatedWidget will be replaced with a container so on Changing , getting this error Every time [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: This ticker was canceled: Ticker(created by _RotateState#86658)

[KimAloy]

Hi, I'm also getting the error when I use the HeartBeat on the second page and press the back button. E/flutter ( 3021): [ERROR:flutter/shell/common/shell.cc(93)] Dart Unhandled Exception: This ticker was canceled: Ticker(created by _HeartBeatState#56128)

[imujtaba8488]

@rohitsangwan01 @KimAloy sorry for getting back to you later on this ... let me fix this and get back to your ASAP

[KimAloy]

@imujtaba8488 @rohitsangwan01 The error seems to be thrown by _controller.repeat().orCancel;

I replaced it with code below and it doesn't throw any errors

@override
  void didUpdateWidget(ABeats oldWidget) {
    _controller.reset();
    // _controller.repeat().orCancel;          <---- replaced this with code below
    _controller.forward();
    _controller.repeat();
    super.didUpdateWidget(oldWidget);
  }

and this

  // Since a heartbeat, so repeats infinitely.
    // _controller.repeat().orCancel;      <---- replaced this with code below
    _controller.forward();
    _controller.repeat();

[tegarkurniawan]

same error

[KimAloy]

same error

Click to open the method you want to use (Ctrl+Click in android studio).

Replace every _controller.repeat().orCancel; with these two lines of code: _controller.forward(); _controller.repeat();

[imujtaba8488]

@KimAloy please file a PR so that others' may also benefit

[fraca98]

same error

Click to open the method you want to use (Ctrl+Click in android studio).

Replace every _controller.repeat().orCancel; with these two lines of code: _controller.forward(); _controller.repeat();

I implemented that, but i still get the same error on the HeartBeat animation sometimes (that's why i closed my pull request)