将替代ListView的RecyclerView的使用详解(一)

android { 
compileSdkVersion 'android-L' 
buildToolsVersion "20.0.0" 
defaultConfig { 
minSdkVersion 'L' 
targetSdkVersion 'L' 
... 
} 
... 
} 
dependencies { 
compile 'com.android.support:recyclerview-v7:+' 
... 
}

@Override 
protected void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.activity_my); 
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerView); 
// 创建一个线性布局管理器 
LinearLayoutManager layoutManager = new LinearLayoutManager(this); 
// 设置布局管理器 
recyclerView.setLayoutManager(layoutManager); 
// 创建数据集 
String[] dataset = new String[100]; 
for (int i = 0; i 

public class MyAdapter extends RecyclerView.Adapter 
{ 
// 数据集 
private String[] mDataset; 
public MyAdapter(String[] dataset) 
{ 
super(); 
mDataset = dataset; 
} 
@Override 
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) 
{ 
// 创建一个View，简单起见直接使用系统提供的布局，就是一个TextView 
View view = View.inflate(viewGroup.getContext(), android.R.layout.simple_list_item_1, null); 
// 创建一个ViewHolder 
ViewHolder holder = new ViewHolder(view); 
return holder; 
} 
@Override 
public void onBindViewHolder(ViewHolder viewHolder, int i) 
{ 
// 绑定数据到ViewHolder上 
viewHolder.mTextView.setText(mDataset); 
} 
@Override 
public int getItemCount() 
{ 
return mDataset.length; 
} 
public static class ViewHolder extends RecyclerView.ViewHolder 
{ 
public TextView mTextView; 
public ViewHolder(View itemView) 
{ 
super(itemView); 
mTextView = (TextView) itemView; 
} 
} 
}