效果图：

spring中瀑布流分页 android recyclerview 瀑布流_RecyclerView



具体代码如下：（注释很详细，基本每句都要注释）

MainActivity.java


package com.zhiyuan3g.recyclerviewwaterfall;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.view.View;

import com.zhiyuan3g.recyclerviewwaterfall.adapter.RecyclerViewAdapter;

public class MainActivity extends AppCompatActivity implements RecyclerViewAdapter.onRecyclerViewItemClickListener {
    //定义一个图片数组
    private int[] image = {R.drawable.akali, R.drawable.alafu, R.drawable.buxiang, R.drawable.buxiang2, R.drawable.delaiwen, R.drawable.fengnv,
            R.drawable.guanghui, R.drawable.hanbing, R.drawable.huli, R.drawable.jiakesi, R.drawable.jiansheng,
            R.drawable.jiaoji, R.drawable.jihe, R.drawable.kasading, R.drawable.manwang, R.drawable.pansen,
            R.drawable.rizi, R.drawable.tailong, R.drawable.vn, R.drawable.xiaopao};
    private RecyclerView recyclerview;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        recyclerview = (RecyclerView) findViewById(R.id.recyclerview);
        //新建一个RecyclerView的适配器，并传入数据
        RecyclerViewAdapter recyclerViewAdapter = new RecyclerViewAdapter(this, image);
        //将适配器设置给recyclerview控件
        recyclerview.setAdapter(recyclerViewAdapter);
        //新建一个StaggeredGridLayoutManager布局管理器，设置参数：1.显示的列数   2.显示布局的方向（水平或垂直）
        StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
        //将布局管理器设置给recyclerveiw控件
        recyclerview.setLayoutManager(staggeredGridLayoutManager);
        //给适配器添加我们暴露的监听方法
        recyclerViewAdapter.setOnRecyclerViewItemClickListener(this);

    }


    //实现我们的监听接口里的方法，在这里获得数据，对数据进行操作
    @Override
    public void onItemClick(View view, int img) {
        //创建一个intent，指明跳转目标类
        Intent intent = new Intent(this, ImageDetail.class);
        //拿到数据传给intent
        intent.putExtra("image", img);
        //启动Activity
        startActivity(intent);
    }
}



RecyclerViewAdapter.java 



package com.zhiyuan3g.recyclerviewwaterfall.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.zhiyuan3g.recyclerviewwaterfall.R;


//让我们的适配器继承自RecyclerView.Adapter<>，并指定泛型为我们适配器的类名.ViewHolder，
// ViewHolder继承自RecyclerView.ViewHolder，并实现每个继承要实现的方法
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder> implements View.OnClickListener {
    private Context context;
    private int[] image;
    //声明一个这个接口的变量
    private onRecyclerViewItemClickListener mOnRecyclerViewItemClickListener=null;

    //构造函数，主要用于接受数据，方便我们在适配器中对数据操作
    public RecyclerViewAdapter(Context context, int[] image) {
        this.context = context;
        this.image = image;
    }

    //创建ViewHolder，我们需要在这个方法中给新建一个view对象，再初始化一个ViewHolder对象，将view对象传入
    //然后返回一个ViewHolder对象
    @Override
    public RecyclerViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        //创建一个view对象（通过布局填充器将布局文件转化为view对象）
        View view = View.inflate(context, R.layout.waterfall_item, null);
        //初始化一个ViewHolder对象，传入view对象
        ViewHolder viewHolder = new ViewHolder(view);

        view.setOnClickListener(this);
        //将ViewHolder对象返回出去
        return viewHolder;
    }

    //绑定ViewHolder，我们需要在这个方法中给控件设置数据
    @Override
    public void onBindViewHolder(RecyclerViewAdapter.ViewHolder holder, int position) {

        //给ImageView控件设置数据
        holder.mImageView.setImageResource(image[position]);

        //给每个itemview添加一个Tag,传递数据
        holder.itemView.setTag(image[position]);

    }

    //获取item的条目总数
    @Override
    public int getItemCount() {
        //直接返回图片数组的长度即可
        return image.length;
    }

    //将点击事件转移给外面的调用者
    @Override
    public void onClick(View v) {
        if (mOnRecyclerViewItemClickListener != null) {
            //通过v.getTag()接受数据
            mOnRecyclerViewItemClickListener.onItemClick(v, (Integer) v.getTag());
        }

    }

    //我们自定义的ViewHolder类，继承自RecyclerView.ViewHolder
    public class ViewHolder extends RecyclerView.ViewHolder {

        private final ImageView mImageView;

        public ViewHolder(View itemView) {
            super(itemView);

            //通过传过来的view对象，我们来实例化控件
            mImageView = (ImageView) itemView.findViewById(R.id.show_img);
        }
    }

    //自定义一个监听的接口，里面包含itemclick的监听方法，主要用于拿数据，方便外部调用拿数据
    public interface onRecyclerViewItemClickListener{
        void onItemClick(View view,int img);
    }

    //定义一个设置Listener的方法（），作用是暴露给外面的调用者，方便调用
    public void setOnRecyclerViewItemClickListener(onRecyclerViewItemClickListener onRecyclerViewItemClickListener) {
        mOnRecyclerViewItemClickListener = onRecyclerViewItemClickListener;
    }
}



ImageDetail.java 



package com.zhiyuan3g.recyclerviewwaterfall;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.ImageView;


public class ImageDetail extends Activity{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.imagedetail);
        Intent intent = getIntent();
        int image = intent.getIntExtra("image", R.mipmap.ic_launcher);
        ImageView imag = (ImageView) findViewById(R.id.details_img);
        imag.setImageResource(image);


    }
}



mian_activity.xml 



<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.zhiyuan3g.recyclerviewwaterfall.MainActivity">

<android.support.v7.widget.RecyclerView
    android:id="@+id/recyclerview"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</android.support.v7.widget.RecyclerView>
</RelativeLayout>



waterfall_item.xml 


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:padding="3dp"
              android:layout_width="match_parent"
              android:layout_height="match_parent">
    <!--android:adjustViewBounds="true":设置View控件的宽高比等于图片的宽高比（图片不失真）对图片进行等比例放缩。
        android:scaleType="centerCrop"：设置控件的中心与图片的中心一致，对图片进行等比例放缩，直到填充满view控件。
        一般这两个属性搭配使用-->
<ImageView
    android:id="@+id/show_img"
    android:adjustViewBounds="true"
    android:scaleType="centerCrop"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"/>
</LinearLayout>



imagedetail.xml 



<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content">
<ImageView
    android:id="@+id/details_img"
    android:adjustViewBounds="true"
    android:scaleType="centerCrop"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"/>


</LinearLayout>



spring中瀑布流分页 android recyclerview 瀑布流_瀑布流图片显示_02


完整Demo代码下载：http://pan.baidu.com/s/1o8djqoM