<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v7.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/rv_list" /> </LinearLayout>
<?xml version="1.0" encoding="utf-8"?> <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="8dp" android:id="@+id/cv_item" android:foreground="?android:attr/selectableItemBackground" card_view:cardCornerRadius="4dp" card_view:cardBackgroundColor="#795548" card_view:cardElevation="4dp" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <ImageView android:id="@+id/iv_pic" android:layout_width="match_parent" android:layout_height="200dp" android:layout_weight="1" /> <TextView android:id="@+id/tv_text" android:padding="20dp" android:textColor="#ffffff" android:layout_width="match_parent" android:layout_height="wrap_content"/> </LinearLayout> </android.support.v7.widget.CardView>
import android.content.Context;
import android.support.v7.widget.CardView;
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 android.widget.Toast;
/**
* Created by Lijizhou on 2016/2/3.
*/
public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.NormalViewHolder> {
private LayoutInflater mLayoutInflater;
private Context mContext;
private String [] mTitle;
private int [] mPic;
public RecyclerViewAdapter(Context context,String[]title,int[] pic){
mContext=context;
mTitle=title;
mPic=pic;
mLayoutInflater=LayoutInflater.from(context);
}
//自定义的ViewHolder,持有每个Item的的所有界面元素
public static class NormalViewHolder extends RecyclerView.ViewHolder{
TextView mTextView;
CardView mCardView;
ImageView mImageView;
public NormalViewHolder(View itemView) {
super(itemView);
mTextView=(TextView)itemView.findViewById(R.id.tv_text);
mCardView=(CardView)itemView.findViewById(R.id.cv_item);
mImageView=(ImageView)itemView.findViewById(R.id.iv_pic);
}
}
//在该方法中我们创建一个ViewHolder并返回,ViewHolder必须有一个带有View的构造函数,这个View就是我们Item的根布局,在这里我们使用自定义Item的布局;
@Override
public NormalViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new NormalViewHolder(mLayoutInflater.inflate(R.layout.item_view,parent,false));
}
//将数据与界面进行绑定的操作
@Override
public void onBindViewHolder(NormalViewHolder holder, final int position) {
holder.mTextView.setText(mTitle[position]);
holder.mImageView.setBackgroundResource(mPic[position]);
holder.mCardView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(mContext,mTitle[position],3000).show();
}
});
}
//获取数据的数量
@Override
public int getItemCount() {
return mTitle==null ? 0 : mTitle.length;
}
}
public class RecycleViewActivity extends AppCompatActivity {
private RecyclerView mRecyclerView;
//item 显示所需
private String[] title = {"Blog : http://blog.csdn.net/Leejizhou.",
"A good laugh and a long sleep are the best cures in the doctor's book.",
"all or nothing, now or never ",
"Be nice to people on the way up, because you'll need them on your way down.",
"Be confident with yourself and stop worrying what other people think. Do what's best for your future happiness!",
"Blessed is he whose fame does not outshine his truth.",
"Create good memories today, so that you can have a good past"
};
/**
* 图片资源版权归属于Smartisan.com
*/
private int[] pic = {R.mipmap.aa1, R.mipmap.aa0, R.mipmap.aa2, R.mipmap.aa3, R.mipmap.aa4, R.mipmap.aa5, R.mipmap.aa6};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recycle);
mRecyclerView = (RecyclerView) findViewById(R.id.rv_list);
// 创建一个线性布局管理器
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
//设置垂直滚动,也可以设置横向滚动
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
//另外两种显示模式
// mRecyclerView.setLayoutManager(new GridLayoutManager(this, 2)); Grid视图
// mRecyclerView.setLayoutManager(new StaggeredGridLayoutManager(2, OrientationHelper.VERTICAL)); 这里用线性宫格显示 类似于瀑布流
//RecyclerView设置布局管理器
mRecyclerView.setLayoutManager(layoutManager);
//RecyclerView设置Adapter
mRecyclerView.setAdapter(new RecyclerViewAdapter(this, title, pic));
}
}
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