createOffer 方法
- [Map? options]
实现
Future<RtcSessionDescription> createOffer([Map? options]) {
var options_dict = null;
if (options != null) {
options_dict = convertDartToNative_Dictionary(options);
}
return promiseToFuture<RtcSessionDescription>(JS(
"creates:RtcSessionDescription;",
"#.createOffer(#)",
this,
options_dict));
}