Android Studio Kotlin:具有多种视图类型和不同数据的RecyclerView

dependencies {
    implementation 'androidx.recyclerview:recyclerview:1.2.1'
    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.0'
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2'
}

sealed class ListItem {
    data class TextItem(val text: String) : ListItem()
    data class ImageItem(val imageUrl: String) : ListItem()
}

class MultiTypeAdapter(private val items: List<ListItem>) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {

    override fun getItemViewType(position: Int): Int {
        return when (items[position]) {
            is ListItem.TextItem -> 0
            is ListItem.ImageItem -> 1
        }
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        return when (viewType) {
            0 -> TextViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_text, parent, false))
            1 -> ImageViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_image, parent, false))
            else -> throw IllegalArgumentException("Invalid view type")
        }
    }

    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        when (holder) {
            is TextViewHolder -> holder.bind(items[position] as ListItem.TextItem)
            is ImageViewHolder -> holder.bind(items[position] as ListItem.ImageItem)
        }
    }

    override fun getItemCount(): Int = items.size

    class TextViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        private val textView: TextView = itemView.findViewById(R.id.textView)

        fun bind(item: ListItem.TextItem) {
            textView.text = item.text
        }
    }

    class ImageViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        private val imageView: ImageView = itemView.findViewById(R.id.imageView)

        fun bind(item: ListItem.ImageItem) {
            Glide.with(imageView.context).load(item.imageUrl).into(imageView)
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="16dp">

    <TextView
        android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="16sp" />
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="16dp">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:scaleType="centerCrop" />
</LinearLayout>

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val recyclerView: RecyclerView = findViewById(R.id.recyclerView)
        val layoutManager = LinearLayoutManager(this)
        recyclerView.layoutManager = layoutManager

        val items = listOf(
            ListItem.TextItem("Hello World"),
            ListItem.ImageItem("https://example.com/image.jpg"),
            ListItem.TextItem("Another text item")
        )

        val adapter = MultiTypeAdapter(items)
        recyclerView.adapter = adapter
    }
}

val items = listOf(
    ListItem.TextItem("Hello World"),
    ListItem.ImageItem("https://example.com/image.jpg")
)

val adapter = MultiTypeAdapter(items)
recyclerView.adapter = adapter

<androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

val layoutManager = LinearLayoutManager(this)
recyclerView.layoutManager = layoutManager

val adapter = MultiTypeAdapter(items)
recyclerView.adapter = adapter