recyclerview设置布局样式

package com.example.administrator.myrecyclerview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

recyclerView = new RecyclerView(this);
setContentView(recyclerView);
//线性布局                                                                水平方向         不反转
recyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
//表格布局                                   默认垂直方向：即3列             设置拖动方向      反转
recyclerView.setLayoutManager(new GridLayoutManager(this, 3, LinearLayoutManager.HORIZONTAL, true));
recyclerView.setAdapter(new MyAdapter());
}

}