Android RecyclerView的简单使用

本文实例为大家分享了Android RecyclerView使用的具体代码，供大家参考，具体内容如下

package com.itheima74.recyclerview; 
import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.GridLayoutManager; 
import android.support.v7.widget.RecyclerView; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.ImageView; 
import android.widget.TextView; 
import java.util.ArrayList; 
 
public class MainActivity extends AppCompatActivity { 
 ArrayList<Fruit> mFruitList; 
 private RecyclerView recyclerview; 
 @Override 
 protected void onCreate(Bundle savedInstanceState) { 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.activity_main); 
 initView(); 
 initData(); 
 initAdapter(); 
 } 
  
 private void initAdapter() { 
 recyclerview.setAdapter(new FruitAdapter()); 
 } 
  
 private void initView() { 
 recyclerview = (RecyclerView) findViewById(R.id.recyclerview); 
 // 设置为LinearLayoutManager布局方式,线性布局 
 // LinearLayoutManager layoutManager = new LinearLayoutManager(this); 
 // 两种方式,水平或垂直排布,默认垂直排布 
 // layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL); 
 // recyclerview.setLayoutManager(layoutManager); 
 // 设置为GridLayoutManager布局方式,3列排布 
 GridLayoutManager gridLayoutManager = new GridLayoutManager(this,3); 
 recyclerview.setLayoutManager(gridLayoutManager); 
 } 
  
 private void initData() { 
 mFruitList = new ArrayList<>(); 
 mFruitList.add(new Fruit("apple", R.drawable.apple_pic)); 
 mFruitList.add(new Fruit("banana", R.drawable.banana_pic)); 
 mFruitList.add(new Fruit("cherry", R.drawable.cherry_pic)); 
 mFruitList.add(new Fruit("grape", R.drawable.grape_pic)); 
 mFruitList.add(new Fruit("mango", R.drawable.mango_pic)); 
 mFruitList.add(new Fruit("orange", R.drawable.orange_pic)); 
 mFruitList.add(new Fruit("pear", R.drawable.pear_pic)); 
 mFruitList.add(new Fruit("pineapple", R.drawable.pineapple_pic)); 
 mFruitList.add(new Fruit("strawberry", R.drawable.strawberry_pic)); 
 mFruitList.add(new Fruit("watermelon", R.drawable.watermelon_pic)); 
 } 
 class FruitAdapter extends RecyclerView.Adapter<ViewHolder> { 
 // 返回ViewHolder对象 
 @Override 
 public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 
 return new ViewHolder(View.inflate(getApplicationContext(), R.layout.listview_item, null)); 
 } 
 // 刷新界面,为ViewHolder两个属性设置内容 
 @Override 
 public void onBindViewHolder(ViewHolder holder, int position) { 
 Fruit fruit = mFruitList.get(position); 
 holder.iv.setImageResource(fruit.imageId); 
 holder.tv.setText(fruit.name); 
 } 
 @Override 
 public int getItemCount() { 
 // FruitAdapter是MainActivity的内部类,可以直接使用外部类的成员变量 
 return mFruitList.size(); 
 } 
 } 
 static class ViewHolder extends RecyclerView.ViewHolder { 
 ImageView iv; 
 TextView tv; 
 ViewHolder(View itemView) { 
 super(itemView); 
 iv = (ImageView) itemView.findViewById(R.id.iv); 
 tv = (TextView) itemView.findViewById(R.id.tv); 
 } 
 } 
} 

package com.itheima74.recyclerview; 
 
class Fruit { 
 String name; 
 int imageId; 
 Fruit(String name, int imageId) { 
 this.name = name; 
 this.imageId = imageId; 
 } 
} 

代码如下:<img src="http://img.blog.csdn.net/20170303085928987?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemh1NjIwMTk3Ng==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt=""> 

效果图：

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