如何訪問RecyclerView

Question

RecyclerView Image

所有項目嗨 RecyclerView讀取JSON 數據如何訪問點擊所有項目的價值順序來選擇產品上的其他活動按鈕和表演項目。

Answer 1

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder>{ 
.... 
public ArrayList<MyItem> dataItems; 

class MyViewHolder extends RecyclerView.ViewHolder{ 

    public MyViewHolder(View itemView, Context context) { 
     super(itemView); 
     .... 
     itemView.setOnClickListener(new View.OnClickListener(){ 
      @Override 
      public void onClick(View v) { 
       // get position 
       int pos = getAdapterPosition(); 

       // check if item still exists 
       if(pos != RecyclerView.NO_POSITION){ 
        MyItem clickedDataItem = dataItems.get(pos); 
        // here call your callback's method, or notify using other way 
       } 
      } 
     }); 
    } 
}