Junior — Middle
RecyclerView bilan to'g'ri ishlashi uchun Adapter sinfida qaysi funksiyalarni qayta yozish kerak?
sobes.tech AI
AIdan javob
RecyclerView bilan to'g'ri ishlashi uchun adapter quyidagi metodlarni qayta yozishi kerak:
onCreateViewHolder(ViewGroup parent, int viewType)— yangi ViewHolder yaratadi va ro'yxat elementining tartibini boshlaydi.onBindViewHolder(ViewHolder holder, int position)— ma'lumotlarni ro'yxat elementiga bog'laydi va ViewHolder mazmunini yangilaydi.getItemCount()— adapterdagi elementlar sonini qaytaradi.
Kotlin misoli:
class MyAdapter(private val items: List<String>) : RecyclerView.Adapter<MyAdapter.MyViewHolder>() {
class MyViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
val textView: TextView = itemView.findViewById(R.id.textView)
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
val view = LayoutInflater.from(parent.context).inflate(R.layout.item_layout, parent, false)
return MyViewHolder(view)
}
override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
holder.textView.text = items[position]
}
override fun getItemCount(): Int = items.size
}