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// Video Data Model
data class Video(
    val videoUrl: String,
    val author: String,
    val description: String,
    val likes: Int,
    // ... other fields
)


// RecyclerView Adapter
class VideoAdapter(private val videos: List<Video>) :
    RecyclerView.Adapter<VideoAdapter.VideoViewHolder>() {

    class VideoViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val videoPlayer: PlayerView = itemView.findViewById(R.id.video_player) // Your PlayerView
        // ... other views (author, description, etc.)

        fun bind(video: Video) {
            // Initialize ExoPlayer and play the video
            val exoPlayer = ExoPlayer.Builder(itemView.context).build()
            videoPlayer.player = exoPlayer
            val mediaItem = MediaItem.fromUri(video.videoUrl)
            exoPlayer.setMediaItem(mediaItem)
            exoPlayer.prepare()
            // ... set other data (author, description, etc.)
        }
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VideoViewHolder {
        val view = LayoutInflater.from(parent.context)
            .inflate(R.layout.video_item_layout, parent, false) // Your item layout
        return VideoViewHolder(view)
    }

    override fun onBindViewHolder(holder: VideoViewHolder, position: Int) {
        holder.bind(videos[position])
    }

    override fun getItemCount(): Int = videos.size
}


// In your Activity/Fragment:
val recyclerView: RecyclerView = findViewById(R.id.video_recycler_view)
val videos = listOf( // Get your video data (from server or local)
    Video("url1", "user1", "desc1", 100),
    Video("url2", "user2", "desc2", 200),
    // ...
)
val adapter = VideoAdapter(videos)
recyclerView.adapter = adapter

// For "swipe up" to change videos (simplified example):
recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
    override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
        super.onScrolled(recyclerView, dx, dy)
        if (dy > 0) { // Scrolling down (towards next video)
            // ... Logic to preload the next video
        }
    }
})