13518219792
本文实例为大家分享了RecyclerView实现水平列表的具体代码，供大家参考，具体内容如下
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1、效果图
2、activity_horizontallistview.xml
<?xml version="1.0" encoding="utf-8"?>
3、activity代码
package ivan.com.appbackendtest;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Created by ivan on 2017/6/9.
*/
public class HorizontalListviewActivity extends AppCompatActivity {
private RecyclerView recyclerview_horizontal1;
private GalleryAdapter mAdapter1;
private RecyclerView recyclerview_horizontal2;
private GalleryAdapter mAdapter2;
private RecyclerView recyclerview_horizontal3;
private GalleryAdapter mAdapter3;
private List mDatas1;
private List mDatas2;
private List mDatas3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_horizontallistview);
initDatas();
//得到控件
recyclerview_horizontal1 = (RecyclerView)findViewById(R.id.recyclerview_horizontal1);
//设置布局管理器
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
linearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
recyclerview_horizontal1.setLayoutManager(linearLayoutManager);
//设置适配器
mAdapter1 = new GalleryAdapter(this, mDatas1);
recyclerview_horizontal1.setAdapter(mAdapter1);
//得到控件
recyclerview_horizontal2 = (RecyclerView)findViewById(R.id.recyclerview_horizontal2);
//设置布局管理器
LinearLayoutManager linearLayoutManager2 = new LinearLayoutManager(this);
linearLayoutManager2.setOrientation(LinearLayoutManager.HORIZONTAL);
recyclerview_horizontal2.setLayoutManager(linearLayoutManager2);
//设置适配器
mAdapter2 = new GalleryAdapter(this, mDatas2);
recyclerview_horizontal2.setAdapter(mAdapter2);
//得到控件
recyclerview_horizontal3 = (RecyclerView)findViewById(R.id.recyclerview_horizontal3);
//设置布局管理器
LinearLayoutManager linearLayoutManager3 = new LinearLayoutManager(this);
linearLayoutManager3.setOrientation(LinearLayoutManager.HORIZONTAL);
recyclerview_horizontal3.setLayoutManager(linearLayoutManager3);
//设置适配器
mAdapter3 = new GalleryAdapter(this, mDatas3);
recyclerview_horizontal3.setAdapter(mAdapter3);
}
private void initDatas()
{
mDatas1 = new ArrayList<>(Arrays.asList(R.mipmap.ic_launcher));
mDatas2 = new ArrayList<>(Arrays.asList(R.mipmap.ic_launcher,R.mipmap.ic_launcher));
mDatas3 = new ArrayList<>(Arrays.asList(R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher));
}
public class GalleryAdapter extends
RecyclerView.Adapter
{
private LayoutInflater mInflater;
private List mDatas;
public GalleryAdapter(Context context, List datats)
{
mInflater = LayoutInflater.from(context);
mDatas = datats;
}
public class ViewHolder extends RecyclerView.ViewHolder
{
public ViewHolder(View arg0)
{
super(arg0);
}
ImageView mImg;
TextView mTxt;
}
@Override
public int getItemCount()
{
return mDatas.size();
}
/**
* 创建ViewHolder
*/
@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i)
{
View view = mInflater.inflate(R.layout.item_listview,
viewGroup, false);
ViewHolder viewHolder = new ViewHolder(view);
viewHolder.mImg = (ImageView) view
.findViewById(R.id.id_index_gallery_item_image);
return viewHolder;
}
/**
* 设置值
*/
@Override
public void onBindViewHolder(final ViewHolder viewHolder, final int i)
{
viewHolder.mImg.setImageResource(mDatas.get(i));
}
}
} 4、核心代码
//得到控件 recyclerview_horizontal1 = (RecyclerView)findViewById(R.id.recyclerview_horizontal1); //设置布局管理器 LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this); linearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL); recyclerview_horizontal1.setLayoutManager(linearLayoutManager); //设置适配器 mAdapter1 = new GalleryAdapter(this, mDatas1); recyclerview_horizontal1.setAdapter(mAdapter1);
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
