Diffrence in Sdk User and Login user?

I have added
implementation project(’:commonlib’)
implementation project(’:mobilertc’)
in my project.

Also i am able to successfully initialize sdk and also able to login.

After login when i start Instant Meeting, i am not able to see the interface. Can you please help me to solve this issue. Below is my code

ZoomSDK zoomSDK = ZoomSDK.getInstance();
zoomSDK.initialize(myContext, "zoom_api_key", "zoom_api_secret","zoom.us", new ZoomSDKInitializeListener() {
	@Override
	public void onZoomSDKInitializeResult(int errorCode, int internalErrorCode) {
		if (zoomSDK.isInitialized()) {
			Helper.showLog("ZoomSDK : Initialized Successfully");

			if ((zoomSDK.loginWithZoom("myemail@domain.com", "mypassword") == ZoomApiError.ZOOM_API_ERROR_SUCCESS)) {
				Helper.showLog("ZoomSDK : Login Success");

				final MeetingService meetingService = zoomSDK.getMeetingService();
				if(meetingService!=null){
					meetingService.addListener(new MeetingServiceListener() {
						@Override
						public void onMeetingStatusChanged(MeetingStatus meetingStatus, int i, int i1) {
							Helper.showLog("ZoomSDK : MeetingStatusChanged: "+meetingStatus+"\nMeetingID: "+meetingService.getCurrentRtcMeetingID()+"\nMeetingNumber: "+meetingService.getCurrentRtcMeetingNumber());
						}
					});
				} else {
					Helper.showLog("ZoomSDK : Meeting Service Null");
				}

				if(meetingService.getMeetingStatus() == MeetingStatus.MEETING_STATUS_IDLE){
					InstantMeetingOptions opts = new InstantMeetingOptions();
					opts.no_driving_mode = true;
					opts.no_invite = true;
					opts.no_meeting_end_message = true;
					opts.no_titlebar = true;
					opts.no_bottom_toolbar = true;
					opts.no_dial_in_via_phone = true;
					opts.no_dial_out_to_phone = true;
					opts.no_disconnect_audio = true;
					opts.no_share = true;
					int ret = meetingService.startInstantMeeting(RequestDetailsActivity.this, opts);
					Helper.showLog("ZoomSDK : InstantMeeting Start "+ret); //Here i am getting 0 as ret value
				} else {
					Helper.showLog("ZoomSDK : Meeting is not idle");
				}
			} else {
				Helper.showLog("ZoomSDK : Login Failed");
			}
		} else {
			Helper.showLog("ZoomSDK : Initialized Failed");
		}
	}
});

public static void showLog(String message) {
	Log.e("APPTAG", "" + message);
}

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