override fun onBindViewHolder()

in build-android/app/src/main/java/com/google/firebase/codelab/friendlychat/FriendlyMessageAdapter.kt [56:62]


    override fun onBindViewHolder(holder: ViewHolder, position: Int, model: FriendlyMessage) {
        if (options.snapshots[position].text != null) {
            (holder as MessageViewHolder).bind(model)
        } else {
            (holder as ImageMessageViewHolder).bind(model)
        }
    }