Created
April 3, 2021 03:55
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| // Make the class abstract | |
| abstract class AdapterX <T>( | |
| @LayoutRes private val layoutResId : Int, | |
| diff : DiffUtil.ItemCallback<T> | |
| ) : ListAdapter<T, AdapterX.ViewHolder>(diff){ | |
| // An Extension function for ViewHolder with the List Item as Parameter | |
| // Make it abstract so that it can be overridden | |
| abstract fun ViewHolder.onBind(item : T) | |
| override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { | |
| val view = LayoutInflater.from(parent.context).inflate(layoutResId, parent, false) | |
| return ViewHolder(view) | |
| } | |
| override fun onBindViewHolder(holder: ViewHolder, position: Int) { | |
| val item = getItem(position) | |
| // Calling the extension method | |
| holder.onBind(item) | |
| } | |
| class ViewHolder(view : View) : RecyclerView.ViewHolder(view) | |
| } |
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