getCacheFilePathWithVidAtPreviewTime method
根据vid+试看时长获取缓存的文件名
Implementation
Future<dynamic> getCacheFilePathWithVidAtPreviewTime(String vid,
String format, String definition, String previewTime) async {
var map = {
'vid': vid,
'format': format,
'definition': definition,
'previewTime': previewTime
};
return FlutterAliPlayerFactory.methodChannel.invokeMethod(
"getCacheFilePathWithVidAtPreviewTime", wrapWithPlayerId(arg: map));
}