switchCamera method Null safety
a utility method which can be used to switch camera of user device if it has more than one camera
Implementation
Future<bool> switchCamera() async {
MediaStreamTrack? videoTrack;
if (webRTCHandle!.localStream != null) {
videoTrack = webRTCHandle!.localStream!.getVideoTracks().firstWhere((track) => track.kind == "video");
return await Helper.switchCamera(videoTrack);
} else {
if (webRTCHandle!.peerConnection!.getLocalStreams().length > 0) {
videoTrack = webRTCHandle?.peerConnection?.getLocalStreams().first?.getVideoTracks().firstWhereOrNull((track) => track.kind == "video");
if (videoTrack != null) {
return await Helper.switchCamera(videoTrack);
}
}
throw "Media devices and stream not initialized,try calling initializeMediaDevices() ";
}
}