android-camerax-videocapture-api-gists-FinalizeEvent.kt

if(event == VideoRecordEvent.Finalize) {
    if (!event.hasError()) {
        val playback = Intent(Intent.ACTION_VIEW).apply {
             setDataAndType(event.outputResults.outputUri, "video/*")
        }
        startActivity(playback);
    } else {
         // update app state when the capture failed.
        recording?.close()
        recording = null

         // indicate error condition to user
        Toast.makeText(activity,
                       “Video capture ends with error: ${event.error}”,           
                       Toast.LENGTH_SHORT)
             .show()
    }
}