TrimViewer not render with condition render

[jackie-maxx]

if(isLoading)...[
const SpinKitFoldingCube(color: appPrimaryColor, size: 30),
]else...[

Center(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: TrimViewer(
trimmer: _trimmer,
viewerHeight: 50.0,
viewerWidth: MediaQuery.of(context).size.width,
durationStyle: DurationStyle.FORMAT_MM_SS,
maxVideoLength: Duration(seconds: Service.toInteger(Service.userAccount['video_length_in_second'].toString())),
editorProperties: TrimEditorProperties(
borderPaintColor: Colors.yellow,
borderWidth: 4,
borderRadius: 5,
circlePaintColor: Colors.yellow.shade800,
),
durationTextStyle: Theme.of(context).textTheme.bodyMedium!,
onChangeStart: (value) => _startValue = value,
onChangeEnd: (value) => _endValue = value,
onChangePlaybackState: (value) => setState(() => _isPlaying = value),
),
),
),

]