Android Studio [RecyclerView/瀑布流显示] _recyclerview

【Android Studio [RecyclerView/瀑布流显示]】敢说敢作敢为，无怨无恨无悔。这篇文章主要讲述Android Studio [RecyclerView/瀑布流显示]相关的知识，希望能为你提供帮助。
PuRecyclerViewActivity.java

package com.xdw.a122.recyclerview; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.StaggeredGridLayoutManager; import android.widget.Toast; import com.xdw.a122.R; public class PuRecyclerViewActivity extends AppCompatActivity { private RecyclerView mRvPu; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_pu_recycler_view); mRvPu=findViewById(R.id.rv_pu); mRvPu.setLayoutManager(new StaggeredGridLayoutManager(2,StaggeredGridLayoutManager.VERTICAL)); //水平每行两列 mRvPu.setAdapter(new StaggeredGridAdapter(PuRecyclerViewActivity.this, new StaggeredGridAdapter.OnItemClickListener() { //接口 @Override public void onClick(int pos) {//监听器 Toast.makeText(PuRecyclerViewActivity.this,"Click"+pos,Toast.LENGTH_SHORT).show(); } })); } }

StaggeredGridAdapter.java

package com.xdw.a122.recyclerview; import android.content.Context; import android.support.annotation.NonNull; 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 com.xdw.a122.R; public class StaggeredGridAdapter extends RecyclerView.Adapter< StaggeredGridAdapter.LinearViewHolder> { private Context mContext; private OnItemClickListener mlistener; //分配空间 //private List< String> list; public StaggeredGridAdapter(Context context, OnItemClickListener listener){ this.mContext=context; //内容 this.mlistener=listener; //传输位置 } @NonNull @Override public StaggeredGridAdapter.LinearViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) { return new LinearViewHolder(LayoutInflater.from(mContext).inflate(R.layout.layout_staggered_grid_recyclerview_item,viewGroup,false)); }@Override public void onBindViewHolder(@NonNull StaggeredGridAdapter.LinearViewHolder viewHolder, final int i) { if(i % 2 !=0){ viewHolder.imageView.setImageResource(R.drawable.back_2); //位置为奇数 } else{ viewHolder.imageView.setImageResource(R.drawable.back_3); //内容 }viewHolder.itemView.setOnClickListener(new View.OnClickListener() {//监听器按键 @Override public void onClick(View v) { mlistener.onClick(i); //监听器 } }); }@Override public int getItemCount() { return 80; } class LinearViewHolder extends RecyclerView.ViewHolder{public ImageView imageView; public LinearViewHolder(@NonNull View itemView) { super(itemView); imageView=itemView.findViewById(R.id.iv); } } public interface OnItemClickListener{//字节型监听器 void onClick(int pos); } }

activity_pu_recycler_view.xml

< ?xml version="1.0" encoding="utf-8"?> < LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".recyclerview.PuRecyclerViewActivity"> < android.support.v7.widget.RecyclerView android:id="@+id/rv_pu" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@color/black"> < /android.support.v7.widget.RecyclerView> < /LinearLayout>

activity_staggered_grid_recyclerview_item.xml

< ?xml version="1.0" encoding="utf-8"?> < LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/white" > < ImageView android:id="@+id/iv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:scaleType="centerCrop"/> < /LinearLayout>

结果：