问Android旧版本是否支持Android应用中的Webrtc视频聊天

EN

    const mediaStreamConstraints = {
    video: true,
  };

  // Video element where stream will be placed.
  const localVideo = document.querySelector('video');

  // Handles success by adding the MediaStream to the video element.
  function gotLocalMediaStream(mediaStream) {
    localVideo.srcObject = mediaStream;
  }

  // Handles error by logging a message to the console with the error message.
  function handleLocalMediaStreamError(error) {
    console.log('navigator.getUserMedia error: ', error);
  }

  // Initializes media stream.
  navigator.mediaDevices.getUserMedia(mediaStreamConstraints)
    .then(gotLocalMediaStream).catch(handleLocalMediaStreamError);