Android 适配器类notifydatachange不工作

我想将按钮的可见性从“喜欢”更改为“不喜欢”，如果按下按钮，则从“不喜欢”更改为“喜欢” api将被调用，但只更改一次

package com.vipulashishsanket.vadakvadan.Adapter;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.squareup.picasso.Picasso;
import com.vipulashishsanket.vadakvadan.EndPoints;
import com.vipulashishsanket.vadakvadan.R;
import com.vipulashishsanket.vadakvadan.SharedPrefManager;
import com.vipulashishsanket.vadakvadan.VideoPlayingActivity;
import com.vipulashishsanket.vadakvadan.fetchingClass.LikesId;
import com.vipulashishsanket.vadakvadan.fetchingClass.ThumbnailFetching;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import org.json.JSONException;
import org.json.JSONObject;

import de.hdodenhof.circleimageview.CircleImageView;

public class ThumbnailFetchingAdapter extends RecyclerView.Adapter<ThumbnailFetchingAdapter.ViewHolder>

{

    private Context mcontext;
    private List<ThumbnailFetching> mThumbnailFetchings;



    public ThumbnailFetchingAdapter(Context mcontext, List<ThumbnailFetching> mThumbnailFetchings)
    {
        this.mcontext=mcontext;
        this.mThumbnailFetchings=mThumbnailFetchings;

    }


    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view= LayoutInflater.from(mcontext).inflate(R.layout.card_feeds,parent,false);

        return new ThumbnailFetchingAdapter.ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull final ViewHolder holder, int position )
    {
        final ThumbnailFetching mthumbnailFetchings=mThumbnailFetchings.get(position);



        final String userid=mthumbnailFetchings.getUserid();
        final String postid=mthumbnailFetchings.getPostid();

        holder.like.setText(mthumbnailFetchings.getTotallikes());
        holder.comments.setText(mthumbnailFetchings.getTotalcomments());
        holder.grpname.setText(mthumbnailFetchings.getPartyname());
        holder.title.setText(mthumbnailFetchings.getTitle());
        if(mthumbnailFetchings.getImgurl().equals(""))
        {
            holder.thumbnail.setImageResource(R.drawable.grpprofilepic_icon);
        }
        else
        {
            Picasso.with(mcontext).load(mthumbnailFetchings.getImgurl()).into(holder.profilepic);

        }

            Picasso.with(mcontext).load(mthumbnailFetchings.getThumbnailsurl()).into(holder.thumbnail);


        holder.thumbnail.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(mcontext, VideoPlayingActivity.class);
                intent.putExtra("uid",userid);
                intent.putExtra("postid",postid);
                intent.putExtra("videourl",mthumbnailFetchings.getVideourl());
                mcontext.startActivity(intent);
            }
        });

        final String userId= SharedPrefManager.getInstance(mcontext).getUid();
        final String likeid=mthumbnailFetchings.getLikeId();


        if(likeid.equals("1"))
        {

            holder.unlike.setVisibility(View.VISIBLE);
            holder.feedlike.setVisibility(View.GONE);
            holder.unlike.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v)
                {

                        holder.feedlike.setVisibility(View.VISIBLE);
                        holder.unlike.setVisibility(View.GONE);

                        String count=holder.like.getText().toString();
                        int c=Integer.parseInt(count)-1;
                        String check=String.valueOf(c);
                        holder.like.setText(check);
                        like(userId, postid,"0");


                }

            });
        }
        else if(likeid.equals("0"))
        {
            holder.unlike.setVisibility(View.GONE);
            holder.feedlike.setVisibility(View.VISIBLE);

            holder.feedlike.setOnClickListener(new View.OnClickListener()
            {
                @Override
                public void onClick(View v)
                {

                        holder.unlike.setVisibility(View.VISIBLE);
                        holder.feedlike.setVisibility(View.GONE);

                        String count=holder.like.getText().toString();
                        int c=Integer.parseInt(count)+1;
                        String check=String.valueOf(c);
                        holder.like.setText(check);
                        like(userId, postid,"1");

              //      notifyItemChanged(holder.getAdapterPosition());



                }
            });
        }
        else
        {

        }






    }

    public void like(final String userid, final String postid,final String likeid)
    {
        StringRequest request=new StringRequest(Request.Method.POST,
                EndPoints.LikeUnlike,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response)
                    {

                        try
                        {
                            JSONObject object=new JSONObject(response);
                            Toast.makeText(mcontext,object.getString("message"),Toast.LENGTH_SHORT).show();
                        }
                        catch (JSONException e)
                        {
                            e.printStackTrace();
                        }

                    }
                }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {

            }
        }){
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String,String> map=new HashMap<>();
                map.put("liked",likeid);
                map.put("post_id",postid);
                map.put("user_id",userid);

                return map;
            }
        };

        RequestQueue requestQueue= Volley.newRequestQueue(mcontext);
        requestQueue.add(request);
    }






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

    public class ViewHolder extends RecyclerView.ViewHolder {

        //public RelativeLayout std_id;

        CircleImageView profilepic;
        TextView grpname,loaction,feedtime,like,comments,title;
        ImageView thumbnail,feedlike,unlike;

        public ViewHolder(View itemView) {
            super(itemView);

            profilepic=itemView.findViewById(R.id.grpProfilepic);
            grpname=itemView.findViewById(R.id.grp_name);
            loaction=itemView.findViewById(R.id.grp_loaction);
            feedtime=itemView.findViewById(R.id.feed_time);
            like=itemView.findViewById(R.id.feeds_like_count);
            comments=itemView.findViewById(R.id.feeds_comments_count);
            thumbnail=itemView.findViewById(R.id.feeds_thumbnails);
            title=itemView.findViewById(R.id.feed_title);
            feedlike=itemView.findViewById(R.id.feeds_like);
            unlike=itemView.findViewById(R.id.feeds_unlike);
        }
    }



}

package com.vipulashishsanket.vadakvadan.Adapter；
导入android.content.Context；
导入android.content.Intent；
导入android.content.SharedReferences；
导入android.view.LayoutInflater；
导入android.view.view；
导入android.view.ViewGroup；
导入android.widget.ImageView；
导入android.widget.TextView；
导入android.widget.Toast；
导入com.android.volley.AuthFailureError；
导入com.android.volley.Request；
导入com.android.volley.RequestQueue；
导入com.android.volley.Response；
导入com.android.volley.VolleyError；
导入com.android.volley.toolbox.StringRequest；
导入com.android.volley.toolbox.volley；
导入com.squareup.picasso.picasso；
导入com.vipulashishsanket.vadakvadan.EndPoints；
进口com.vipulashishsanket.vadakvadan.R；
导入com.vipulashishsanket.vadakvadan.SharedPrefManager；
导入com.vipulashishsanket.vadakvadan.VideoPlayingActivity；
导入com.vipulashishsanket.vadakvadan.fetchingClass.LikesId；
导入com.vipulashishsanket.vadakvadan.fetchingClass.ThumbnailFetching；
导入java.util.HashMap；
导入java.util.List；
导入java.util.Map；
导入androidx.annotation.NonNull；
导入androidx.recyclerview.widget.recyclerview；
导入org.json.JSONException；
导入org.json.JSONObject；
导入de.hdodenhof.circleimageview.circleimageview；
公共类ThumbnailFetchingAdapter扩展了RecyclerView.Adapter
{
私有上下文；
私有列表获取；
公共ThumbnailFetchingAdapter（上下文mcontext、列表mThumbnailFetchings）
{
this.mcontext=mcontext；
this.mThumbnailFetchings=mThumbnailFetchings；
}
@非空
@凌驾
public ViewHolder onCreateViewHolder（@NonNull ViewGroup parent，int viewType）{
视图=LayoutFlater.from（mcontext）。充气（R.layout.card_feeds，parent，false）；
返回新的ThumbnailFetchingAdapter.ViewHolder（视图）；
}
@凌驾
public void onBindViewHolder（@NonNull final ViewHolder，int位置）
{
final ThumbnailFetching mthumbnailFetchings=mthumbnailFetchings.get（位置）；
最终字符串userid=mthumbnailFetchings.getUserid（）；
最终字符串postid=mthumbnailFetchings.getPostid（）；
holder.like.setText（mthumbnailFetchings.getTotallikes（））；
holder.comments.setText（mthumbnailFetchings.getTotalcomments（））；
holder.grpname.setText（mthumbnailFetchings.getPartyname（））；
holder.title.setText（mthumbnailFetchings.getTitle（））；
if（mthumbnailFetchings.getImgurl（）.equals（“”）
{
holder.thumbnail.setImageResource（R.drawable.grpprofilepic_图标）；
}
其他的
{
将（mthumbnailFetchings.getImgurl（））加载到（holder.profilepic）中；
}
毕加索.with（mcontext）.load（mthumbnailFetchings.getThumbnailsurl（））到（holder.thumbnail）中；
holder.thumboil.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
意向意向=新意向（mcontext，VideoPlayingActivity.class）；
intent.putExtra（“uid”，userid）；
意向。额外（“posted”，posted）；
intent.putExtra（“videourl”，mthumbnailFetchings.getVideourl（））；
mcontext.startActivity（意图）；
}
});
最后一个字符串userId=SharedPrefManager.getInstance（mcontext.getUid（）；
最后一个字符串likeid=mthumbnailFetchings.getLikeId（）；
如果（likeid.等于（“1”））
{
holder.visibility（View.VISIBLE）；
holder.feedlike.setVisibility（视图已消失）；
不同于.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）
{
支架.feedlike.setVisibility（视图.VISIBLE）；
holder.INVISION.SETVISITY（View.GONE）；
字符串计数=holder.like.getText（）.toString（）；
intc=Integer.parseInt（count）-1；
字符串检查=String.valueOf（c）；
holder.like.setText（检查）；
like（userId，posted，“0”）；
}
});
}
else if（likeid.equals（“0”））
{
holder.INVISION.SETVISITY（View.GONE）；
支架.feedlike.setVisibility（视图.VISIBLE）；
holder.feedlike.setOnClickListener（新视图.OnClickListener（）
{
@凌驾
公共void onClick（视图v）
{
holder.visibility（View.VISIBLE）；
holder.feedlike.setVisibility（视图已消失）；
字符串计数=holder.like.getText（）.toString（）；
intc=Integer.parseInt（count）+1；
字符串检查=String.valueOf（c）；
holder.like.setText（检查）；
like（userId，posted，“1”）；
//notifyItemChanged（holder.getAdapterPosition（））；
}
});
}
其他的
{
}
}
public void like（最终字符串userid、最终字符串postid、最终字符串likeid）
{
StringRequest=新的StringRequest（request.Method.POST，
EndPoints.LikeUnlike，
新的Response.Listener（）{
@凌驾
公共void onResponse（字符串响应）
{
尝试
{
JSONObject对象=新的JSONObject（响应）；
Toast.makeText（mcontext，object.getString（“message”），Toast.LENGTH_SHORT.show（）；
}
捕获（JSONException e）
       if(likeid.equals("1")) {
            holder.unlike.setVisibility(View.VISIBLE);
            holder.feedlike.setVisibility(View.GONE);
         }else if(likeid.equals("0")){
            holder.unlike.setVisibility(View.GONE);
            holder.feedlike.setVisibility(View.VISIBLE);
        }

       holder.feedlike.setOnClickListener(new View.OnClickListener(){
                @Override
                public void onClick(View v){
                      holder.unlike.setVisibility(View.VISIBLE);
                      holder.feedlike.setVisibility(View.GONE);
                      String count=holder.like.getText().toString();
                      int c=Integer.parseInt(count)+1;
                      String check=String.valueOf(c);
                      holder.like.setText(check);
                      like(userId, postid,"1");
              //      notifyItemChanged(holder.getAdapterPosition());
                }
            });

            holder.unlike.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v){
                      holder.feedlike.setVisibility(View.VISIBLE);
                      holder.unlike.setVisibility(View.GONE);
                      String count=holder.like.getText().toString();
                      int c=Integer.parseInt(count)-1;
                      String check=String.valueOf(c);
                      holder.like.setText(check);
                      like(userId, postid,"0");
                }
            }); 

like(userId, postid,"0",getAdapterPosition());

public class ThumbnailFetchingAdapter extends RecyclerView.Adapter<ThumbnailFetchingAdapter.ViewHolder>

{

    private Context mcontext;
    private List<ThumbnailFetching> mThumbnailFetchings;



    public ThumbnailFetchingAdapter(Context mcontext, List<ThumbnailFetching> mThumbnailFetchings)
    {
        this.mcontext=mcontext;
        this.mThumbnailFetchings=mThumbnailFetchings;

    }


    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view= LayoutInflater.from(mcontext).inflate(R.layout.card_feeds,parent,false);

        return new ThumbnailFetchingAdapter.ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull final ViewHolder holder, int position )
    {
        final ThumbnailFetching mthumbnailFetchings=mThumbnailFetchings.get(position);



        final String userid=mthumbnailFetchings.getUserid();
        final String postid=mthumbnailFetchings.getPostid();

        holder.like.setText(mthumbnailFetchings.getTotallikes());
        holder.comments.setText(mthumbnailFetchings.getTotalcomments());
        holder.grpname.setText(mthumbnailFetchings.getPartyname());
        holder.title.setText(mthumbnailFetchings.getTitle());
        if(mthumbnailFetchings.getImgurl().equals(""))
        {
            holder.thumbnail.setImageResource(R.drawable.grpprofilepic_icon);
        }
        else
        {
            Picasso.with(mcontext).load(mthumbnailFetchings.getImgurl()).into(holder.profilepic);

        }

            Picasso.with(mcontext).load(mthumbnailFetchings.getThumbnailsurl()).into(holder.thumbnail);


        holder.thumbnail.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(mcontext, VideoPlayingActivity.class);
                intent.putExtra("uid",userid);
                intent.putExtra("postid",postid);
                intent.putExtra("videourl",mthumbnailFetchings.getVideourl());
                mcontext.startActivity(intent);
            }
        });

        final String userId= SharedPrefManager.getInstance(mcontext).getUid();
        final String likeid=mthumbnailFetchings.getLikeId();


        if(likeid.equals("1"))
        {

            holder.unlike.setVisibility(View.VISIBLE);
            holder.feedlike.setVisibility(View.GONE);
            holder.unlike.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v)
                {

                        holder.feedlike.setVisibility(View.VISIBLE);
                        holder.unlike.setVisibility(View.GONE);

                        String count=holder.like.getText().toString();
                        int c=Integer.parseInt(count)-1;
                        String check=String.valueOf(c);
                        holder.like.setText(check);
mthumbnailFetchings.setLikeId("0");
                        like(userId, postid,"0",position);


                }

            });
        }
        else if(likeid.equals("0"))
        {
            holder.unlike.setVisibility(View.GONE);
            holder.feedlike.setVisibility(View.VISIBLE);

            holder.feedlike.setOnClickListener(new View.OnClickListener()
            {
                @Override
                public void onClick(View v)
                {

                        holder.unlike.setVisibility(View.VISIBLE);
                        holder.feedlike.setVisibility(View.GONE);

                        String count=holder.like.getText().toString();
                        int c=Integer.parseInt(count)+1;
                        String check=String.valueOf(c);
                        holder.like.setText(check);
mthumbnailFetchings.setLikeId("1");
                        like(userId, postid,"1",position);

              //      notifyItemChanged(holder.getAdapterPosition());



                }
            });
        }
        else
        {

        }






    }

    public void like(final String userid, final String postid,final String likeid,int position)
    {
        StringRequest request=new StringRequest(Request.Method.POST,
                EndPoints.LikeUnlike,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response)
                    {

                        try
                        {  ThumbnailFetchingAdapter.this.notifyItemChange(position);
                            JSONObject object=new JSONObject(response);
                            Toast.makeText(mcontext,object.getString("message"),Toast.LENGTH_SHORT).show();
                        }
                        catch (JSONException e)
                        {
                            e.printStackTrace();
                        }

                    }
                }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {

            }
        }){
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String,String> map=new HashMap<>();
                map.put("liked",likeid);
                map.put("post_id",postid);
                map.put("user_id",userid);

                return map;
            }
        };

        RequestQueue requestQueue= Volley.newRequestQueue(mcontext);
        requestQueue.add(request);
    }






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

    public class ViewHolder extends RecyclerView.ViewHolder {

        //public RelativeLayout std_id;

        CircleImageView profilepic;
        TextView grpname,loaction,feedtime,like,comments,title;
        ImageView thumbnail,feedlike,unlike;

        public ViewHolder(View itemView) {
            super(itemView);

            profilepic=itemView.findViewById(R.id.grpProfilepic);
            grpname=itemView.findViewById(R.id.grp_name);
            loaction=itemView.findViewById(R.id.grp_loaction);
            feedtime=itemView.findViewById(R.id.feed_time);
            like=itemView.findViewById(R.id.feeds_like_count);
            comments=itemView.findViewById(R.id.feeds_comments_count);
            thumbnail=itemView.findViewById(R.id.feeds_thumbnails);
            title=itemView.findViewById(R.id.feed_title);
            feedlike=itemView.findViewById(R.id.feeds_like);
            unlike=itemView.findViewById(R.id.feeds_unlike);
        }
    }



}