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fix: Missing null check

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This commit is contained in:
Christian Pauly 2021-08-11 22:04:55 +02:00
parent 47bce19d4a
commit 8ca1151f3e
1 changed files with 7 additions and 5 deletions
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10
lib/pages/recording_dialog.dart
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@ -42,10 +42,11 @@ class _RecordingDialogState extends State<RecordingDialog> {
path: _recordedPath, encoder: AudioEncoder.AAC);
setState(() => _duration = Duration.zero);
_recorderSubscription?.cancel();
_recorderSubscription = Timer.periodic(Duration(seconds: 1), (_) async {
_recorderSubscription =
Timer.periodic(Duration(milliseconds: 100), (_) async {
_amplitude = await _audioRecorder.getAmplitude();
setState(() {
_duration += Duration(seconds: 1);
_duration += Duration(milliseconds: 100);
});
});
} catch (e, s) {
@ -71,7 +72,8 @@ class _RecordingDialogState extends State<RecordingDialog> {
@override
Widget build(BuildContext context) {
const maxDecibalWidth = 64.0;
final decibalWidth = ((_amplitude.current / _amplitude.max) * 2) *
final decibalWidth =
((_amplitude == null ? 0 : _amplitude.current / _amplitude.max) * 2) *
(maxDecibalWidth / 4).toDouble();
final time =
'${_duration.inMinutes.toString().padLeft(2, '0')}:${(_duration.inSeconds % 60).toString().padLeft(2, '0')}';
@ -86,7 +88,7 @@ class _RecordingDialogState extends State<RecordingDialog> {
height: maxDecibalWidth,
alignment: Alignment.center,
child: AnimatedContainer(
duration: Duration(seconds: 1),
duration: Duration(milliseconds: 100),
width: decibalWidth,
height: decibalWidth,
decoration: BoxDecoration(