import android.content.res.Resources;import android.content.res.TypedArray;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.DefaultItemAnimator;import android.support.v7.widget.GridLayoutManager;import android.support.v7.widget.RecyclerView;import android.support.v7.widget.helper.ItemTouchHelper;import android.util.Log;import android.util.SparseBooleanArray;import android.view.View;import java.util.ArrayList;import java.util.Collections;import java.util.List;public class RecyclerViewActivity extends AppCompatActivity {  private RecyclerView recycler;  private RecyclerAdapter mAdapter;  private List<PreferCustomizableChannel> channels = new ArrayList<>();  private List<PreferCustomizableChannel> channelsSelected;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_recycler_view_acitivity);    initData();    initUI();    findViewById(R.id.resultBTN).setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View v) {        int lens = channelsSelected.size();        for (int i =0 ; i < lens; i++) {          PreferCustomizableChannel customizableChannel = channelsSelected.get(i);          if (customizableChannel.isSelected()) {            Log.i("RecyclerViewActivity", "onClick: "+customizableChannel.toString());          }        }      }    });  }  private void initData() {    Resources resources = getResources();    TypedArray array = resources.obtainTypedArray(R.array.prefer_channel_icon);    int len = array.length();    String[] name = resources.getStringArray(R.array.prefer_channel_name);    for (int i = 0; i < len; i++) {      PreferCustomizableChannel customizableChannel = new PreferCustomizableChannel();      customizableChannel.setChannel(name[i]);      customizableChannel.setResId(array.getResourceId(i, 0));      customizableChannel.setSelected(false);      customizableChannel.setId(i * 100);      channels.add(customizableChannel);    }    array.recycle();    channelsSelected = channels;  }  private void initUI() {    recycler = (RecyclerView) findViewById(R.id.recycler);    final GridLayoutManager manager = new GridLayoutManager(this, 3);    recycler.setLayoutManager(manager);    recycler.setHasFixedSize(true);    recycler.setItemAnimator(new DefaultItemAnimator());    mAdapter = new RecyclerAdapter(RecyclerViewActivity.this, channels);    recycler.setAdapter(mAdapter);    mAdapter.setClickListener(new OnRecyclerViewItemClickListener() {      @Override      public void onItemClick(View view, int position) {        SparseBooleanArray selecteds = mAdapter.getSelectedItem();        int len = channels.size();        for (int i = 0; i < len; i++) {          if (selecteds.get(i)) {            channelsSelected.get(position).setSelected(true);          }        }      }    });  }}

import android.support.v7.widget.RecyclerView;import android.util.SparseBooleanArray;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.RelativeLayout;import android.widget.TextView;import com.entity.PreferCustomizableChannel;import com.listener.OnRecyclerItemClickListener;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;public class PreferChannelAdapter extends RecyclerView.Adapter<PreferChannelAdapter.PreferChannelHolder>{  private List<PreferCustomizableChannel> lists;  private OnRecyclerItemClickListener listener;  private SparseBooleanArray selectLists = new SparseBooleanArray();  public PreferChannelAdapter() {  }  public void setDatas(List<PreferCustomizableChannel> lists) {    this.lists = lists;    notifyDataSetChanged();  }  public void setOnItemClickListener(OnRecyclerItemClickListener listener) {    this.listener = listener;  }  @Override  public PreferChannelHolder onCreateViewHolder(ViewGroup parent, int viewType) {    View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.prefer_channel_item, null);    return new PreferChannelHolder(view);  }  @Override  public void onBindViewHolder(final PreferChannelHolder holder, final int position) {    PreferCustomizableChannel channelItem = lists.get(position);    holder.channelItemTV.setText(channelItem.getChannel());    holder.channelItemImg.setImageResource(channelItem.getResId());    if (!selectLists.get(position)) {      holder.selectedMarkImg.setVisibility(View.GONE);    } else {      holder.selectedMarkImg.setVisibility(View.VISIBLE);    }    holder.preferChannelItemLayout.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View view) {        if (holder.selectedMarkImg.getVisibility() == View.GONE) {          holder.selectedMarkImg.setVisibility(View.VISIBLE);          selectLists.put(position, true);        } else if (holder.selectedMarkImg.getVisibility() == View.VISIBLE){          holder.selectedMarkImg.setVisibility(View.GONE);          selectLists.put(position, false);        }        listener.onRecyclerClick(position);      }    });  }  @Override  public int getItemCount() {    return lists.size();  }  public class PreferChannelHolder extends RecyclerView.ViewHolder {    @BindView(R.id.preferChannelItemLayout)    RelativeLayout preferChannelItemLayout;    @BindView(R.id.channelItemTV)    TextView channelItemTV;    @BindView(R.id.channelItemImg)    ImageView channelItemImg;    @BindView(R.id.selectedMarkImg)    ImageView selectedMarkImg;    public PreferChannelHolder(View itemView) {      super(itemView);      ButterKnife.bind(this, itemView);    }  }  public SparseBooleanArray getSelectedItem() {    return selectLists;  }}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:id="@+id/preferChannelItemLayout"  android:gravity="center"  android:layout_gravity="center"  android:layout_marginTop="10dp"  android:layout_width="wrap_content"  android:layout_height="wrap_content">  <!--android:gravity="center"  android:layout_gravity="center"-->  <ImageView    android:id="@+id/channelItemImg"    android:scaleType="centerInside"    android:layout_width="68dp"    android:layout_height="wrap_content"/>  <TextView    android:id="@+id/channelItemTV"    android:gravity="center"    android:layout_marginLeft="20dp"    android:layout_marginRight="20dp"    android:layout_marginBottom="20dp"    android:layout_marginTop="8dp"    android:layout_below="@id/channelItemImg"    android:layout_width="wrap_content"    android:layout_height="wrap_content" />  <ImageView    android:id="@+id/selectedMarkImg"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_centerVertical="true"    android:visibility="gone"    android:layout_alignRight="@id/channelItemImg"    android:src="@mipmap/prefer_selected"/></RelativeLayout>