立即上代碼
public abstract class BaseRecyclerAdapter<T>(val datas: ArrayList<T>?, val ctx: Context?) : RecyclerView.Adapter<BaseViewHolder>() {
override fun getItemCount(): Int {
return datas?.size ?: 0
}
override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): BaseViewHolder? {
var view = getViewResource(viewType)
var holder = BaseViewHolder(view)
addAllViewItems(holder?.viewMap,view)
return holder
}
override fun onBindViewHolder(holder: BaseViewHolder?, position: Int) {
bindData(holder?.viewMap, datas?.get(position), position)
}
/**
* 添加item布局
*/
abstract fun getViewResource(viewType: Int): View
/**
* 記錄下item布局下所有控件
*/
abstract fun addAllViewItems(viewMap: SparseArray<View>?,root:View)
/**
* 綁定item數(shù)據(jù)
*/
abstract fun bindData(viewMap: SparseArray<View>?, t: T?, position: Int)
}
public class BaseViewHolder : RecyclerView.ViewHolder {
var viewMap= SparseArray<View>()
constructor(itemView: View?) : super(itemView)
}
