Android RecycleView使用（CheckBox全选、反选、单选）

package com.bwie.day06;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import com.bwie.day06.myadapter.MyAdapter;public class MainActivity extends AppCompatActivity {  private MyAdapter myAdapter;  private LinearLayoutManager linearLayoutManager;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    //初始化控件    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerview);    //在加载数据之前配置    linearLayoutManager = new LinearLayoutManager(this);    recyclerView.setLayoutManager(linearLayoutManager);    //创建一个适配器    myAdapter = new MyAdapter();    recyclerView.setAdapter(myAdapter);  }  public void btnAll(View view) {    myAdapter.All();  }  public void btnner(View view) {    myAdapter.neverall();  }}