RecyclerView中显示不同的item

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测试代码：

activity_main.xml

<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.zzw.testrecyclerview.MainActivity" >    <android.support.v7.widget.RecyclerView        android:id="@+id/mRecyclerView"        android:layout_width="match_parent"        android:layout_height="match_parent" >    </android.support.v7.widget.RecyclerView></RelativeLayout>

MainActivity.java：

package com.zzw.testrecyclerview;import java.util.ArrayList;import android.app.Activity;import android.os.Bundle;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;public class MainActivity extends Activity {    RecyclerView mRecyclerView;        @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                ArrayList<String> mTitles=new ArrayList<String>();        for(int i=0;i<100;i++){            mTitles.add("测试数据--"+i);        }                mRecyclerView=(RecyclerView) findViewById(R.id.mRecyclerView);        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));                MultipleItemAdapter adapter=new MultipleItemAdapter(this, mTitles);        mRecyclerView.setAdapter(adapter);            }    }

MultipleItemAdapter.java：

package com.zzw.testrecyclerview;import java.util.ArrayList;import android.content.Context;import android.support.v7.widget.RecyclerView.Adapter;import android.support.v7.widget.RecyclerView.ViewHolder;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.TextView;public class MultipleItemAdapter extends Adapter<ViewHolder> {    public static enum ITEM_TYPE {        ITEM_TYPE_IMAGE, ITEM_TYPE_TEXT    }    private LayoutInflater mLayoutInflater;    private Context mContext;    private ArrayList<String> mTitle;    public MultipleItemAdapter(Context context, ArrayList<String> titles) {        mLayoutInflater = LayoutInflater.from(context);        mContext = context;        mTitle = titles;    }    @Override    public int getItemCount() {        return mTitle == null ? 0 : mTitle.size();    }    @Override    public int getItemViewType(int position) {        return position % 2 == 0 ? ITEM_TYPE.ITEM_TYPE_IMAGE.ordinal() : ITEM_TYPE.ITEM_TYPE_TEXT.ordinal();    }    @Override    public void onBindViewHolder(ViewHolder holder, int position) {        if(holder instanceof TextViewHolder){            ((TextViewHolder) holder).mTextView.setText(mTitle.get(position));                    }else if(holder instanceof ImageViewHolder){                        ((ImageViewHolder) holder).text.setText(mTitle.get(position));        }    }    @Override    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        if (viewType == ITEM_TYPE.ITEM_TYPE_IMAGE.ordinal()) {            return new ImageViewHolder(mLayoutInflater.inflate(R.layout.item_image, parent, false));        } else {            return new TextViewHolder(mLayoutInflater.inflate(R.layout.item_text, parent, false));        }    }    public static class TextViewHolder extends ViewHolder {        protected static final String TAG = "TextViewHolder";        TextView mTextView;        public TextViewHolder(View itemView) {            super(itemView);            mTextView = (TextView) itemView.findViewById(R.id.textView);            itemView.setOnClickListener(new OnClickListener() {                @Override                public void onClick(View v) {                    Log.d(TAG, "TextViewHolder"+getPosition());                }            });        }    }    public static class ImageViewHolder extends ViewHolder {        protected static final String TAG = "ImageViewHolder";        ImageView mImage;        TextView text;        public ImageViewHolder(View itemView) {            super(itemView);            mImage = (ImageView) itemView.findViewById(R.id.image);            text=(TextView) itemView.findViewById(R.id.text);            itemView.setOnClickListener(new OnClickListener() {                @Override                public void onClick(View v) {                    Log.d(TAG, "ImageViewHolder"+getPosition());                }            });        }    }}

item_image.xml：

<?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:background="#2196F3"    android:orientation="vertical" >    <ImageView        android:id="@+id/image"        android:src="@drawable/ic_launcher"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal" />    <TextView        android:id="@+id/text"        android:gravity="center"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:textColor="@android:color/holo_red_light"        android:textSize="20sp" /></LinearLayout>

item_text.xml：

<?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:background="#E040FB"    android:orientation="vertical" >    <TextView        android:id="@+id/textView"        android:gravity="center"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:textColor="@android:color/holo_blue_light"        android:textSize="30sp" /></LinearLayout>