如何在回收站视图

Question

我正在使用RecyclerView custum适配器，其中数据是从getter和setter方法获取的，并且superHero.getStatus（）存在一个问题，即如果该位置上有“已删除”，则所有视图可见性将为View.GONE否则所有观点都将显示在该项目上。有时它不能像下面的代码条件那样工作。另一个问题是当我点击按钮然后它对另一个视图的影响。请检查以下代码。并告诉我应该怎样做才能改进它。我应该使用getTag（）和setTag（）方法来解决这个问题吗？

   public class CardAdapter  extends RecyclerView.Adapter<CardAdapter.ViewHolder> {
private static final String url1 = "************************.php";

private static final String KEY_MATRI_ID_TO="matriID_to";
private static final String KEY_MATRI_ID_BY="matriID_by";

SessionManager session;
public String matri_id_to, matri_id_by, str_gender;
String str_status,str_EI;


//Imageloader to load image
private ImageLoader imageLoader;
private Context context;

//List to store all superheroes
List<SuperHero> superHeroes;

//Constructor of this class
public CardAdapter(List<SuperHero> superHeroes, Context context){
    super();
    //Getting all superheroes
    this.superHeroes = superHeroes;
    this.context = context;
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View v = LayoutInflater.from(parent.getContext())
            .inflate(R.layout.superheroes_list_shortlist_me, parent, false);
    // Session class instance
    session = new SessionManager(context);
    session.checkLogin();
    // get user data from session
    HashMap<String, String> user = session.getUserDetails();
    matri_id_by = user.get(SessionManager.KEY_EMAIL);
    str_gender = user.get(SessionManager.KEY_GENDER);
    ViewHolder viewHolder = new ViewHolder(v);
    return viewHolder;
}

@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
    //Getting the particular item from the list
    final SuperHero superHero =  superHeroes.get(position);
    holder.textViewId.setText(superHero.getMglId());

    str_status = superHero.getStatus();
    if(str_status.equalsIgnoreCase("deleted"))
    {
        holder.tvCommunity.setText("This profile has been deleted");
        holder.tvCommunity.setTextColor(Color.RED);
        holder.Community.setVisibility(View.GONE);
        holder.AgeHeight.setVisibility(View.GONE);
        holder.Occupation.setVisibility(View.GONE);
        holder.Income.setVisibility(View.GONE);
        holder.shortlist_on.setVisibility(View.GONE);
        holder.imageView.setVisibility(View.GONE);
        holder.tvAgeHeight.setVisibility(View.GONE);
        holder.tvIncome.setVisibility(View.GONE);
        holder.tvShortlistOn.setVisibility(View.GONE);
        holder.tvOccupation.setVisibility(View.GONE);
        holder.btnEI.setVisibility(View.GONE);
        holder.btnViewProfile.setVisibility(View.GONE);
    }
    else
    {
        holder.AgeHeight.setText(superHero.getAge()+" / "+superHero.getAgeHeight());
        holder.Community.setText(superHero.getCommunity()+" / "+superHero.getCaste());
        holder.Occupation.setText(superHero.getOccupation());
        holder.Income.setText(superHero.getIncome());
        holder.shortlist_on.setText(superHero.getShortlisted_on());
        holder.btnEI.setText(superHero.getExpress_Intrest());
        //Loading image from url
        imageLoader = CustomVolleyRequest.getInstance(context).getImageLoader();
        imageLoader.get(superHero.getImageUrl(), ImageLoader.getImageListener(holder.imageView, R.drawable.image, android.R.drawable.ic_dialog_alert));
        holder.imageView.setImageUrl(superHero.getImageUrl(), imageLoader);

    }


    str_EI = superHero.getExpress_Intrest();
    if(str_EI.toString().equalsIgnoreCase("Accepted")) {
        holder.btnEI.setText(str_EI);
        holder.btnEI.setBackgroundColor(Color.parseColor("#FF045B49"));
        holder.btnEI.setEnabled(false);
    }
    else if(str_EI.toString().equalsIgnoreCase("Reject")){
        holder.btnEI.setText(str_EI);
        holder.btnEI.setBackgroundColor(Color.parseColor("#FF045B49"));
        holder.btnEI.setEnabled(false);
    }
    else if(str_EI.toString().equalsIgnoreCase("Declined")){
        holder.btnEI.setText(str_EI);
        holder.btnEI.setBackgroundColor(Color.parseColor("#FF045B49"));
        holder.btnEI.setEnabled(false);
    }
    else if(str_EI.toString().equalsIgnoreCase("Pending..")){
        holder.btnEI.setText(str_EI);
        holder.btnEI.setBackgroundColor(Color.parseColor("#FF045B49"));
        holder.btnEI.setEnabled(false);
    }
    else
    {
        holder.btnEI.setText(str_EI);
    }


    holder.btnViewProfile.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Intent n = new Intent(holder.itemView.getContext(),BlankActivity.class);
            String str_id = holder.textViewId.getText().toString();
            n.putExtra("ID",str_id);
            holder.itemView.getContext().startActivity(n);
        }
    });


    holder.btnEI.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            superHero.setExpress_Intrest("Wait...");
            holder.btnEI.setText(superHero.getExpress_Intrest());
            matri_id_to = superHero.getMglId();
            holder.expressInterest(position);
        }
    });

}

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

class ViewHolder extends RecyclerView.ViewHolder{
    //Views
    public NetworkImageView imageView;
    public TextView textViewId;
    public TextView AgeHeight,tvAgeHeight;
    public TextView Community, tvCommunity;
    public TextView Occupation, tvOccupation;
    public TextView Income, tvIncome;
    public TextView shortlist_on, tvShortlistOn;
    public Button btnViewProfile;
    public Button btnEI;

    //Initializing Views
    public ViewHolder(final View itemView) {
        super(itemView);
        imageView = (NetworkImageView) itemView.findViewById(R.id.imageViewHero);
        textViewId = (TextView) itemView.findViewById(R.id.textViewId);
        tvAgeHeight = (TextView) itemView.findViewById(R.id.tvAgeHeight);
        AgeHeight = (TextView) itemView.findViewById(R.id.AgeHeight);
        tvCommunity = (TextView) itemView.findViewById(R.id.tvCommunity);
        Community = (TextView) itemView.findViewById(R.id.Community);
        tvOccupation = (TextView) itemView.findViewById(R.id.tvOccupation);
        Occupation = (TextView) itemView.findViewById(R.id.Occupation);
        tvIncome = (TextView) itemView.findViewById(R.id.tvIncome);
        Income = (TextView) itemView.findViewById(R.id.Income);
        tvShortlistOn = (TextView) itemView.findViewById(R.id.tvShortlistOn);
        shortlist_on = (TextView) itemView.findViewById(R.id.shortlistOn);
        btnViewProfile = (Button) itemView.findViewById(R.id.viewProfile);
        btnEI = (Button) itemView.findViewById(R.id.sendEI);
    }

    public void expressInterest(final int position) {
        StringRequest stringRequest1 = new StringRequest(Request.Method.POST, url1, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                if(response.trim().equalsIgnoreCase("success")) {
                    superHeroes.get(position).setExpress_Intrest("Pending..");
                    notifyDataSetChanged();
                }
            }
        },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        Toast.makeText(context, error.toString(), Toast.LENGTH_LONG).show();
                    }
                }) {
            @Override
            protected Map<String, String> getParams() {
                Map<String, String> params = new HashMap<String, String>();
                params.put(KEY_MATRI_ID_BY,matri_id_by);
                params.put(KEY_MATRI_ID_TO,matri_id_to);
                return params;
            }
        };
        RequestQueue requestQueue = Volley.newRequestQueue(context);
        requestQueue.add(stringRequest1);
       }
      }
     }

Answer 1

1）首先发布可见视图

您需要在else部分中放置其他视图的可见性代码，因为如果状态从已删除状态更改为其他状态，则您的视图将不可见，因此您需要输入可见代码。

离。我在你的其他部分添加了四行。请检查。并根据您的要求添加

if(str_status.equalsIgnoreCase("deleted"))
    {
        holder.tvCommunity.setText("This profile has been deleted");
        holder.tvCommunity.setTextColor(Color.RED);
        holder.Community.setVisibility(View.GONE);
        holder.AgeHeight.setVisibility(View.GONE);
        holder.Occupation.setVisibility(View.GONE);
        holder.Income.setVisibility(View.GONE);
        holder.shortlist_on.setVisibility(View.GONE);
        holder.imageView.setVisibility(View.GONE);
        holder.tvAgeHeight.setVisibility(View.GONE);
        holder.tvIncome.setVisibility(View.GONE);
        holder.tvShortlistOn.setVisibility(View.GONE);
        holder.tvOccupation.setVisibility(View.GONE);
        holder.btnEI.setVisibility(View.GONE);
        holder.btnViewProfile.setVisibility(View.GONE);
    }
    else
    {
        //Add this   
        holder.Community.setVisibility(View.VISIBLE);
        holder.AgeHeight.setVisibility(View.VISIBLE);
        holder.Occupation.setVisibility(View.VISIBLE);
        holder.Income.setVisibility(View.VISIBLE);


        holder.AgeHeight.setText(superHero.getAge()+" / "+superHero.getAgeHeight());
        holder.Community.setText(superHero.getCommunity()+" / "+superHero.getCaste());
        holder.Occupation.setText(superHero.getOccupation());
        holder.Income.setText(superHero.getIncome());
        holder.shortlist_on.setText(superHero.getShortlisted_on());
        holder.btnEI.setText(superHero.getExpress_Intrest());
        //Loading image from url
        imageLoader = CustomVolleyRequest.getInstance(context).getImageLoader();
        imageLoader.get(superHero.getImageUrl(), ImageLoader.getImageListener(holder.imageView, R.drawable.image, android.R.drawable.ic_dialog_alert));
        holder.imageView.setImageUrl(superHero.getImageUrl(), imageLoader);

    }