1.

package com.multak.cookaraclient.adapter;

import android.content.Context;

import android.support.v7.widget.RecyclerView;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

import android.widget.TextView;

import com.multak.cookaraclient.R;

import com.multak.cookaraclient.info.MusicInfo;

import java.util.List;

/**

 * Created by guoxw on 2017/6/19.

 */

public class ProRecycleViewAdapter extends   RecyclerView.Adapter<ProRecycleViewAdapter.ViewHolder> implements View.OnClickListener {

    private static final String TAG = "ProRecycleViewAdapter";

    /**

     *

     */

    private ProRecycleViewAdapter.OnItemClickListener mOnItemClickListener=null;

    List<MusicInfo> data;

    Context context;

    int type;

    /**

     * 点击的条目

     */

    int num=-2;

    public void textSize(int type){

        this.type=type;

    }

    public ProRecycleViewAdapter(List<MusicInfo> data, Context context) {

        this.data = data;

        this.context = context;

    }

    @Override

    public ProRecycleViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

        View view= LayoutInflater.from(context).inflate(R.layout.prorecycleview_item_layout,parent,false);

        final ProRecycleViewAdapter.ViewHolder holder=new ProRecycleViewAdapter.ViewHolder(view);

        /**

         *

         */

        view.setOnClickListener(this);

        return holder;

    }

    @Override

    public void onBindViewHolder(ProRecycleViewAdapter.ViewHolder holder, int position) {

        MusicInfo musicInfo=data.get(position);

        holder.textView_SongName.setText(musicInfo.getMusicName());

        holder.textView_SongSinger.setText(musicInfo.getMusicSinger());

        int x=position+1;

        holder.textView_no.setText(""+x);

        if(type==2){

            holder.textView_SongName.setTextColor(context.getResources().getColor(R.color.colorHomeText));

            holder.textView_SongSinger.setTextColor(context.getResources().getColor(R.color.colorHomeText));

        }else if(type==1){

            holder.textView_SongName.setTextColor(context.getResources().getColor(R.color.colorSingerName));

            holder.textView_SongSinger.setTextColor(context.getResources().getColor(R.color.colorSingerName));

        }

        if(num==position){

            Log.d(TAG, "onBindViewHolder: NUM: "+num);

            Log.d(TAG, "onBindViewHolder: Position: "+position);

            holder.textView_SongName.setTextColor(context.getResources().getColor(R.color.colorAccent));

        }
　　　　else {
　　　　　　　　//恢复
　　　　　　}

        /**

         *

         */

        holder.itemView.setTag(position);

    }

    @Override

    public int getItemCount() {

        return data.size();

    }

    class ViewHolder extends RecyclerView.ViewHolder{

        View viewItem;

        TextView textView_no;

        TextView textView_SongName,textView_SongSinger;

        public ViewHolder(View itemView) {

            super(itemView);

            viewItem=itemView;

            textView_SongName= (TextView) itemView.findViewById(R.id.textView_SongName);

            textView_SongSinger= (TextView) itemView.findViewById(R.id.textView_SongSinger);

            textView_no= (TextView) itemView.findViewById(R.id.textView_no);

        }

    }

    /**

     *

     * @param

     */

    public static interface OnItemClickListener{

        void onItemClick(View view,int position);

    }

    /**

     *

     * @param v

     */

    @Override

    public void onClick(View v) {

        if(mOnItemClickListener != null) {

            mOnItemClickListener.onItemClick(v,(int)v.getTag());

        }

    }

    /**

     *

     * @param listener

     */

    public void setOnItemClickListener(ProRecycleViewAdapter.OnItemClickListener listener) {

        this.mOnItemClickListener=listener;

    }

    public void setItemClickColor(int num){

        this.num=num;

    }

}

2.

package com.multak.cookaraclient.fragment;

import android.content.Context;

import android.graphics.drawable.BitmapDrawable;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.support.v7.widget.LinearLayoutManager;

import android.support.v7.widget.RecyclerView;

import android.util.Log;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.widget.LinearLayout;

import android.widget.PopupWindow;

import android.widget.TextView;

import com.multak.cookaraclient.R;

import com.multak.cookaraclient.adapter.ProRecycleViewAdapter;

import com.multak.cookaraclient.info.MusicInfo;

import com.multak.cookaraclient.info.ToastUtils;

import java.util.ArrayList;

import java.util.List;

/**

 * A simple {@link Fragment} subclass.

 */

public class ProFragment extends Fragment {

    private static final String TAG = "ProFragment";

    View view;

    RecyclerView recyclerView;

    ProRecycleViewAdapter proRecycleAdapter;

    List<MusicInfo>data=new ArrayList<>();

    public ProFragment() {

        // Required empty public constructor

    }

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

                             Bundle savedInstanceState) {

        // Inflate the layout for this fragment

        view=inflater.inflate(R.layout.fragment_pro, container, false);

        recyclerView= (RecyclerView) view.findViewById(R.id.recycleView_Pro);

        recyclerView.setOverScrollMode(View.OVER_SCROLL_NEVER);

        final Context context=getActivity();

        addMusicInfo();

        LinearLayoutManager linearLayoutManager=new LinearLayoutManager(context);

        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);

        recyclerView.setLayoutManager(linearLayoutManager);

        proRecycleAdapter=new ProRecycleViewAdapter(data,context);

        recyclerView.setAdapter(proRecycleAdapter);

        proRecycleAdapter.setOnItemClickListener(new ProRecycleViewAdapter.OnItemClickListener() {

           @Override

           public void onItemClick(View view, int position) {

                       ToastUtils.showtoast(getActivity(),""+position);

                       Log.d(TAG, "onBindViewHolder: TOAST: "+position);

                       proRecycleAdapter.setItemClickColor(position);

                       proRecycleAdapter.notifyDataSetChanged();

           }

       });

        return view;

    }

    public  void addMusicInfo(){

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

        data.add(new MusicInfo("我知道","阎韦伶"));

        data.add(new MusicInfo("千里之外","周杰伦"));

        data.add(new MusicInfo("同桌的你","老狼"));

    }

    public void selectOperate(final int posi,View view){

        View contentView = LayoutInflater.from(getActivity()).inflate(R.layout.popup_song, null);

        final PopupWindow popupWindow = new PopupWindow(contentView,600, LinearLayout.LayoutParams.WRAP_CONTENT, true);

        WindowManager manager = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE);

        TextView textView_xiai= (TextView) contentView.findViewById(R.id.textView_xiai);

        TextView textView_yuyue= (TextView) contentView.findViewById(R.id.textView_yuyue);

        TextView textView_zhiding= (TextView) contentView.findViewById(R.id.textView_zhiding);

        TextView textView_bofang= (TextView) contentView.findViewById(R.id.textView_bofang);

        textView_xiai.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                ToastUtils.showtoast(getActivity(),"喜爱操作");

                popupWindow.dismiss();

            }

        });

        textView_yuyue.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                ToastUtils.showtoast(getActivity(),"预约操作");

                popupWindow.dismiss();

            }

        });

        textView_zhiding.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                ToastUtils.showtoast(getActivity(),"置顶操作");

                popupWindow.dismiss();

            }

        });

        textView_bofang.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                ToastUtils.showtoast(getActivity(),"播放操作");

                popupWindow.dismiss();

            }

        });

        int popupWidth = view.getMeasuredWidth();

        int popupHeight = view.getMeasuredHeight();

        int[] location = new int[2];

        view.getLocationOnScreen(location);

        int x = location[0];

        int y = location[1];

        Log.d(TAG, "selectOperate: 坐标："+x+"&&"+y);

        popupWindow.setTouchable(true);

        popupWindow.setBackgroundDrawable(new BitmapDrawable());

        popupWindow.setOutsideTouchable(true);

        popupWindow.showAtLocation(view, Gravity.TOP|Gravity.LEFT, x+200, y+140);

        popupWindow.showAsDropDown(view);

        view.setAlpha(1f);

    }

}

3.

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="horizontal"

    android:layout_width="match_parent"

    android:layout_height="80dp">

    <TextView

        android:layout_width="50dp"

        android:layout_height="50dp"

        android:textSize="@dimen/songnumbersize"

        android:gravity="center"

        android:textColor="@color/colorSingerName"

        android:id="@+id/textView_no"/>

    <LinearLayout

        android:layout_marginLeft="@dimen/imagemagintext"

        android:layout_height="50dp"

        android:layout_width="0dp"

        android:layout_weight="1"

        android:orientation="vertical">

        <TextView

            android:id="@+id/textView_SongName"

            android:layout_width="match_parent"

            android:layout_height="30dp"

            android:paddingTop="5dp"

            android:gravity="center_vertical"

            android:textColor="@color/colorSongName"

            android:textSize="@dimen/songnamesize"/>

        <TextView

            android:id="@+id/textView_SongSinger"

            android:layout_width="match_parent"

            android:layout_height="20dp"

            android:gravity="center_vertical"

            android:textColor="@color/colorSongName"

            android:textSize="@dimen/songsingersize"/>

    </LinearLayout>

</LinearLayout>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context="com.multak.cookaraclient.fragment.ProFragment">

    <!-- TODO: Update blank fragment layout -->

    <android.support.v7.widget.RecyclerView

        android:layout_marginTop="10dp"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:gravity="center"

        android:id="@+id/recycleView_Pro"

        android:textSize="23sp"

        android:text="this is a ProFragment" />

</FrameLayout>

错误在于：在if()加入else{} 对item未选中做恢复操作。

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