1 package utils.ev.recyclerview;
  2 
  3 import android.graphics.Bitmap;
  4 import android.support.v7.widget.RecyclerView;
  5 import android.util.SparseArray;
  6 import android.view.View;
  7 import android.widget.ImageView;
  8 import android.widget.TextView;
  9 
 10 import com.bumptech.glide.Glide;
 11 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 12 
 13 import utils.ui.UIUtils;
 14 
 15 /**
 16  * 作者：张风捷特烈
 17  * 时间：2018/4/10:14:22
 18  * 邮箱：1981462002@qq.com
 19  * 说明：View的持有人
 20  */
 21 public class MyRVHolder extends RecyclerView.ViewHolder {
 22 
 23     //键值对中键是int类型使用SparseArray比map更好
 24     private SparseArray<View> mViews;//持有的所有View集合
 25     private View mItemView;//Item的
 26 
 27     public MyRVHolder(View itemView) {
 28 
 29         super(itemView);
 30         mItemView = itemView;
 31         mViews = new SparseArray<>();
 32     }
 33 
 34     /**
 35      * 获取pos
 36      *
 37      * @return
 38      */
 39     public int getPos() {
 40         return this.getLayoutPosition();
 41     }
 42 
 43     /**
 44      * 通过viewId获取控件
 45      *
 46      * @param viewId
 47      * @param <T>
 48      * @return
 49      */
 50     public <T extends View> T getView(int viewId) {
 51         View view = mViews.get(viewId);
 52         if (view == null) {
 53             view = mItemView.findViewById(viewId);
 54             mViews.put(viewId, view);//以id为键，view为值
 55         }
 56         return (T) view;
 57     }
 58 
 59     public View getItemView() {
 60         return mItemView;
 61     }
 62 
 63     /**
 64      * 设置item背景颜色
 65      */
 66     public MyRVHolder setColor(int color) {
 67         mItemView.setBackgroundColor(color);
 68         return this;
 69     }
 70 
 71     /**
 72      * 设置TextView文本方法
 73      *
 74      * @param viewId
 75      * @param text
 76      * @return
 77      */
 78     public MyRVHolder setText(int viewId, String text) {
 79         TextView view = getView(viewId);
 80         view.setText(text);
 81         return this;
 82     }
 83 
 84     /**
 85      * 通过资源id设置ImageView图片
 86      * @param viewId
 87      * @param resId
 88      * @return
 89      */
 90     public MyRVHolder setImageViewRes(int viewId, int resId) {
 91         ImageView view = getView(viewId);
 92         view.setImageResource(resId);
 93         return this;
 94     }
 95 
 96     /**
 97      * 通过Bitmap设置ImageView图片
 98      * @param viewId
 99      * @param bitmap
100      * @return
101      */
102     public MyRVHolder setImageViewBitmap(int viewId, Bitmap bitmap) {
103         ImageView view = getView(viewId);
104         view.setImageBitmap(bitmap);
105         return this;
106     }
107 
108     /**
109      * 通过url设置图片
110      * @param viewId
111      * @param url
112      * @return
113      */
114     public MyRVHolder setImageViewUrl(int viewId, String url) {
115         ImageView view = getView(viewId);
116         //此处使用Glide进行Url类型图片的加载,如果未添加Glide依赖会报错
117         //依赖： implementation 'com.github.bumptech.glide:glide:3.7.0'
118         Glide.with(UIUtils.getContext())
119                 .load(url)
120                 .skipMemoryCache(false)
121                 .diskCacheStrategy(DiskCacheStrategy.SOURCE)
122                 .into(view);
123 
124         return this;
125     }
126 
127     /////////////////////可继续拓展完善,添加更多方法//////////////////////
128 }

  1 package utils.ev.recyclerview;
  2 
  3 import android.support.v7.widget.RecyclerView;
  4 import android.view.View;
  5 import android.view.ViewGroup;
  6 
  7 import java.util.List;
  8 
  9 import utils.ui.UIUtils;
 10 
 11 /**
 12  * 作者：张风捷特烈
 13  * 时间：2018/4/10:14:28
 14  * 邮箱：1981462002@qq.com
 15  * 说明：RecyclerView的Adapter封装类
 16  */
 17 public abstract class MyRVAdapter<T> extends RecyclerView.Adapter<MyRVHolder> {
 18     protected List<T> mDatas;
 19     protected int mItemId;
 20     private View mItemView;
 21 
 22     public MyRVAdapter(List<T> datas, int itemId) {
 23         mDatas = datas;
 24         mItemId = itemId;
 25     }
 26 
 27     @Override
 28     public MyRVHolder onCreateViewHolder(ViewGroup parent, int viewType) {
 29         mItemView = UIUtils.inflate(mItemId);
 30         final MyRVHolder myRVHolder = new MyRVHolder(mItemView);
 31         //点击事件方式
 32         mItemView.setOnClickListener(new View.OnClickListener() {
 33             @Override
 34             public void onClick(View v) {//使用回调实现点击监听
 35                 if (mOnRvItemClickListener != null) {
 36                     mOnRvItemClickListener.OnRvItemClick(v, myRVHolder.getPos());
 37 
 38                 }
 39             }
 40         });
 41 
 42         return myRVHolder;
 43     }
 44 
 45     @Override
 46     public void onBindViewHolder(MyRVHolder holder, int position) {
 47 
 48         setDatas(holder, mDatas.get(position), position);
 49 
 50     }
 51 
 52     @Override
 53     public int getItemCount() {
 54         return mDatas.size();
 55     }
 56 
 57     /**
 58      * 抽象方法,通过holder可对各控件进行操作
 59      *
 60      * @param holder   View的持有人
 61      * @param data     数据
 62      * @param position 点击位置
 63      */
 64     public abstract void setDatas(MyRVHolder holder, T data, int position);
 65 
 66 ///////////////////////////////////////////////////////////
 67 
 68     /**
 69      * 添加item
 70      *
 71      * @param i
 72      * @param aNew
 73      */
 74     public void addData(int i, T aNew) {
 75         mDatas.add(i, aNew);
 76         notifyItemInserted(i);//刷新数据
 77     }
 78 
 79     /**
 80      * 删除item
 81      *
 82      * @param i
 83      */
 84     public void deleteData(int i) {
 85         mDatas.remove(i);
 86         notifyItemRemoved(i);//刷新数据
 87     }
 88 
 89     public View getItemView() {
 90         return mItemView;
 91     }
 92 
 93     /////////////////为RecyclerView设置点击监听接口/////////////////////////
 94     /**
 95      * 为RecyclerView设置点击监听接口
 96      */
 97     public interface OnRvItemClickListener {
 98         void OnRvItemClick(View v, int pos);//item被点击的时候回调方法
 99     }
100 
101     /**
102      * 声明监听器接口对象
103      */
104     private OnRvItemClickListener mOnRvItemClickListener;
105 
106     /**
107      * 设置RecyclerView某个的监听方法
108      *
109      * @param onRvItemClickListener
110      */
111     public void setOnRvItemClickListener(OnRvItemClickListener onRvItemClickListener) {
112         mOnRvItemClickListener = onRvItemClickListener;
113     }
114 }