chewie/video_player flutter The getter '_duration' was called on null #54961
Description
I use video_player 0.10.4+1 and chewie 0.9.8 but when i run the application my video can not play and always loading like this. And This is my code. I already imoport video_player and chewie.
class ChewieListItem extends StatefulWidget{
@override
_ChewieListItemState createState() => _ChewieListItemState();
}
class _ChewieListItemState extends State<ChewieListItem>{
String urlVideo = 'assets/vi1.mp4';
VideoPlayerController videoPlayerController;
ChewieController _chewieController;
@override
void initState(){
super.initState();
videoPlayerController = VideoPlayerController.asset(urlVideo)..initialize();
_chewieController = ChewieController(
videoPlayerController: videoPlayerController,
aspectRatio: 3 / 2,
autoInitialize: true,
autoPlay: false,
);
}
@override
void dispose(){
super.dispose();
videoPlayerController.dispose();
_chewieController.dispose();
}
@override
Widget build(BuildContext context){
return Padding(
padding: const EdgeInsets.all(2.0),
child: Chewie(
controller: _chewieController,
),
);
}
}
And this is my code for import the above file.
void activityVideo(BuildContext context){
var alertDialog = AlertDialog(
title: Text("videoclip"),
content: Container(
height: 200,
width: 300,
child: ChewieListItem()),
}
This is my error
I/flutter (21154): The following NoSuchMethodError was thrown while handling a gesture:
I/flutter (21154): The getter '_duration' was called on null.
I/flutter (21154): Receiver: null
I/flutter (21154): Tried calling: _duration