android - 使用相同的 Recycler Adapter 为不同的 Activity 充气

Question

我有以下适配器

public class CardAdapter extends RecyclerView.Adapter<CardAdapter.ViewHolder>{

 List<String> list;
 int id;
Context context;

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View view= LayoutInflater.from(parent.getContext()).inflate(id,parent,false);
   return new ViewHolder(view);

}

@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
        holder.textView.setText(list.get(position));

       holder.textView.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               Handler handler=new Handler();
               handler.postDelayed(new Runnable() {
                   @Override
                   public void run() {
                       Intent intent = new Intent(context, BESyllabus.class);
                       context.startActivity(intent);
                   }
               },500);

           }
       });
}

@Override
public int getItemCount() {
    return list.size();
}


public static class ViewHolder extends RecyclerView.ViewHolder{
    public TextView textView;
    public CardView cardView;
    public ViewHolder(View v){
        super(v);
        textView=(TextView)v.findViewById(R.id.text);
        cardView=(CardView)v.findViewById(R.id.card_view);
    }
}

public CardAdapter(List<String> list, int id,Context context){
    this.list=list;
    this.id=id;
    this.context=context;
}

}

我使用相同的布局文件，它有一个使用上述适配器的 recyclerView，id 是我用作回收 View 行的布局文件的资源 ID`

<?xml version="1.0" encoding="utf-8"?>

<TextView
    android:id="@+id/text"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:textColor="#000000"
    android:alpha="0.87"
    android:layout_marginLeft="8dp"
    android:layout_marginRight="8dp"
    android:layout_marginTop="8dp"
    android:textSize="35dp" />

我想要做的是使用相同的适配器使用相同的行结构来膨胀多个 Activity 。它在显示行时工作正常，但每次单击时每个 Activity 都使用相同的 onClickListener 重新启动相同的 Activity 。有没有办法使用相同的适配器，我可以根据 Activity 分配监听器。或者我应该为每个 Activity 创建新的适配器吗？我是 android 开发的新手，所以任何帮助将不胜感激。提前致谢。

Answer 1

使用接口(interface):

public class CardAdapter extends RecyclerView.Adapter<CardAdapter.ViewHolder>{

    private IOnItemClickListener mListener;

    public CardAdapter(IOnItemClickListener mListener) {
        this.mListener = mListener;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view= LayoutInflater.from(parent.getContext()).inflate(id,parent,false);

        return new ViewHolder(v, new CardAdapter.ViewHolder.IMyViewHolderClicks() {
            public void onClick(View v, int position) {
                mListener.onItemClick(v, position);
            };
        });

    }

    public static class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
        public TextView textView;
        public CardView cardView;
        public IMyViewHolderClicks mListener;

        public ViewHolder(View v, IMyViewHolderClicks listener) {
            super(itemView);
            mListener = listener;

            textView=(TextView)v.findViewById(R.id.text);
            cardView=(CardView)v.findViewById(R.id.card_view);
        }

        @Override
        public void onClick(View v) {
            mListener.onClick(v, getPosition());
        }

        public interface IMyViewHolderClicks {
            public void onClick(View v, int position);
        }
    }
}
public interface IOnItemClickListener {
    public void onItemClick(View v, int position);
}