TXCloudVideoView mainVideoView = (TXCloudVideoView) findViewById(R.id.txcvv_main);//主view
TXCloudVideoView anotherVideoView = (TXCloudVideoView) findViewById(R.id.trtc_view_1);//副view

anotherVideoView.setOnClickListener(e -> {
    Log.e("anotherUserId------", anotherUserId);
    mTRTCCloud.updateLocalView(anotherVideoView);
    mTRTCCloud.updateRemoteView(anotherUserId, TRTCCloudDef.TRTC_VIDEO_STREAM_TYPE_BIG, mainVideoView);
});