【flutter better_player_plus实现普通播放器功能】

引入better_player_plus: ^1.1.5

import'package:better_player_plus/better_player_plus.dart';lateBetterPlayerController_videoController;@overridevoidinitState(){// TODO: implement initStatesuper.initState();//BoxFit.contain + fullScreenByDefault=true + autoDetectFullscreenAspectRatio = true,设置后播放器播放时默认按视频的宽高比例放大填充父布局finalbetterPlayerConfiguration=BetterPlayerConfiguration(fit:BoxFit.contain,autoPlay:true,looping:true,fullScreenByDefault:true,autoDetectFullscreenAspectRatio:true,controlsConfiguration:constBetterPlayerControlsConfiguration(showControls:false,// 是否显示控制栏enableSkips:false,// 禁用快进/快退));_videoController=BetterPlayerController(betterPlayerConfiguration,betterPlayerDataSource:dataSource);_videoController.addEventsListener(_videoListener);}_videoListener(BetterPlayerEventevent)async{switch(event.betterPlayerEventType){caseBetterPlayerEventType.initialized:setState((){_isVideoInit=true;double?videoWidth=_videoController.videoPlayerController?.value.size?.width;double?videoHeight=_videoController.videoPlayerController?.value.size?.height;print('_videoWidth=$videoWidth_videoHeight=$videoHeight');if(videoWidth!=null&&videoHeight!=null){double aspectRatio=videoHeight/videoWidth;_logic.videoAspectRatio=aspectRatio;}_videoController.play();});break;caseBetterPlayerEventType.progress:Durationres=_videoController.videoPlayerController!.value.position;Duration?totalDuration=_videoController.videoPlayerController?.value.duration;if(_videoController.isPlaying()==true&&_key.currentState!=null){/// 减少build次数_key.currentState!.setPosition(position:res,totalDuration:totalDuration,);}break;caseBetterPlayerEventType.bufferingStart:_isBuffering=true;break;caseBetterPlayerEventType.bufferingEnd:_isBuffering=false;break;caseBetterPlayerEventType.exception:esLoadingToast('视频加载失败');print('视频播放器问题：${_videoController.videoPlayerController!.value.errorDescription}=====');break;default:break;}}@overridevoiddispose(){// TODO: implement dispose_videoController.removeEventsListener(_videoListener);_videoController.dispose();super.dispose();}@overrideWidgetbuild(BuildContextcontext){// TODO: implement buildreturnScaffold(backgroundColor:Colors.black,body:BetterPlayer(controller:_videoController),);}

只配置fit: BoxFit.contain时，播放时显示区域虽然按视频比例，但是不会尽可能大的充满屏幕

BoxFit.contain + fullScreenByDefault=true + autoDetectFullscreenAspectRatio = true,播放时显示区域按视频比例比例尽可能大的充满屏幕