import 'package:tencent_rtc_sdk/trtc_cloud.dart';
import 'package:tencent_rtc_sdk/trtc_cloud_def.dart';
import 'package:tencent_rtc_sdk/trtc_cloud_listener.dart';  

late TRTCCloud trtcCloud;

// Create a TRTC instance
trtcCloud = (await TRTCCloud.sharedInstance())!;

// Create a TRTCCloudListener instance
TRTCCloudListener listener = TRTCCloudListener(
  // Implement the corresponding callbacks as needed
  onError: (errCode, errMsg) {
    // TODO
  }
);

// Register the listener and bind it to the trtcCloud instance
trtcCloud.registerListener(listener);

if (!(await Permission.camera.request().isGranted) ||
    !(await Permission.microphone.request().isGranted)) {
  print('You need to obtain audio and video permission to enter');
  return;
}

trtcCloud.enterRoom(
    TRTCParams(
      sdkAppId: sdkAppId, // Replace with your SDKAppID
      userId: "userId",                       // Replace with your userid
      userSig: '',                            // Replace with your userSig
      role: TRTCRoleType.anchor,
      roomId: 123123,                         // Replace with your roomId
    ),
    TRTCAppScene.live
);

trtcCloud.enterRoom(
    TRTCParams(
      sdkAppId: sdkAppId, // Replace with your SDKAppID
      userId: "userId",                       // Replace with your userid
      userSig: '',                            // Replace with your userSig
      role: TRTCRoleType.audience,
      roomId: 123123,                         // Replace with your roomId
    ),
    TRTCAppScene.live
);

import 'package:tencent_rtc_sdk/trtc_cloud_video_view.dart';

TRTCCloudVideoView(
  key: valueKey,
  onViewCreated: (viewId) {
    localViewId = viewId;
    // TODO
  },
),

// Set local preview rendering parameters
trtcCloud.setLocalRenderParams(
  TRTCRenderParams(
    fillMode: TRTCVideoFillMode.fill,
    mirrorType: TRTCVideoMirrorType.auto,
    rotation: TRTCVideoRotation.rotation0,
  ),
);

// Local preview of front camera content
trtcCloud.startLocalPreview(true, localViewId);

// Local preview of rear camera content
trtcCloud.startLocalPreview(false, localViewId);

trtcCloud.stopLocalPreview();

import 'package:tencent_rtc_sdk/tx_device_manager.dart';

// Get the Device Manager Instance
TXDeviceManager manager = trtcCloud.getDeviceManager();

// Determine whether the camera is front-facing
if (manager.isFrontCamera()) {
  // Switch to the rear-facing camera
  manager.switchCamera(false);
} else {
  // Switch to front camera
  manager.switchCamera(true);
}

// Get the Device Manager Instance
TXDeviceManager manager = trtcCloud.getDeviceManager();

// Check if the device supports automatic face position detection
if (manager.isAutoFocusEnabled()) {
  // Enable the auto-focus feature
  manager.enableCameraAutoFocus(true);
} else {
  // Turn off the auto-focus feature
  manager.enableCameraAutoFocus(false);
}

// Get the Device Manager Instance
TXDeviceManager manager = trtcCloud.getDeviceManager();

// Turn on the flash when switching to the rear-facing camera
manager.enableCameraTorch(true);

// Turn the flash off
manager.enableCameraTorch(false);

// Play the primary video stream of the remote user denny
trtcCloud.startRemoteView("denny", TRTCVideoStreamType.big, remoteViewId);

// Stop playing the primary video stream of the remote user denny
trtcCloud.stopRemoteView("denny", TRTCVideoStreamType.big);
// Stop playing the videos of all remote users
trtcCloud.stopAllRemoteView();