Android之智能问答机器人
16lz
2021-01-25
本文主要利用图灵机器人的接口，所做的一个简单的智能问答机器人
实现
由于发送与接收消息都是不同的listView，所以要用有两个listVeiw的布局文件
接收消息布局文件
<?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="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/chat_from_createDate" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="2012-09-01 18:30:20" style="@style/chat_date_style" /> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:orientation="vertical" > <ImageView android:id="@+id/chat_from_icon" android:layout_width="49dp" android:layout_height="49dp" android:src="@drawable/icon" /> <TextView android:id="@+id/chat_from_name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:text="小貅貅" android:textSize="18sp" /> </LinearLayout> <TextView android:id="@+id/chat_from_content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:minHeight="50dp" android:background="@drawable/chat_from_msg" android:text="有大吗。。。" android:textSize="18sp" android:textColor="#000" android:gravity="center_vertical" android:focusable="true" android:clickable="true" android:lineSpacingExtra="2dp" /> </LinearLayout></LinearLayout>发送消息布局文件
<?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="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/chat_send_createDate" style="@style/chat_date_style" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="2012-09-01 18:30:21" /> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" > <LinearLayout android:id="@+id/ly_chat_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_marginLeft="10dp" android:orientation="vertical" > <ImageView android:id="@+id/chat_send_icon" android:layout_width="49dp" android:layout_height="49dp" android:src="@drawable/my" /> <TextView android:id="@+id/chat_send_name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:text="鸿洋" android:textSize="18sp" /> </LinearLayout> <TextView android:id="@+id/chat_send_content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toLeftOf="@id/ly_chat_icon" android:background="@drawable/chat_send_msg" android:clickable="true" android:focusable="true" android:gravity="center_vertical" android:lineSpacingExtra="2dp" android:minHeight="50dp" android:text="有大吗。。。" android:textColor="#000" android:textSize="18sp" /> </RelativeLayout></LinearLayout>MainActivity实现
package com.example.android_robot_01;import java.util.ArrayList;import java.util.Date;import java.util.List;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.text.TextUtils;import android.view.View;import android.view.Window;import android.view.inputmethod.InputMethodManager;import android.widget.EditText;import android.widget.ListView;import android.widget.Toast;import com.example.android_robot_01.bean.ChatMessage;import com.example.android_robot_01.bean.ChatMessage.Type;import com.zhy.utils.HttpUtils;public class MainActivity extends Activity { /** * 展示消息的listview */ private ListView mChatView; /** * 文本域 */ private EditText mMsg; /** * 存储聊天消息 */ private List<ChatMessage> mDatas = new ArrayList<ChatMessage>(); /** * 适配器 */ private ChatMessageAdapter mAdapter; private Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { ChatMessage from = (ChatMessage) msg.obj; mDatas.add(from); mAdapter.notifyDataSetChanged(); mChatView.setSelection(mDatas.size() - 1); }; }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main_chatting); initView(); mAdapter = new ChatMessageAdapter(this, mDatas); mChatView.setAdapter(mAdapter); } private void initView() { mChatView = (ListView) findViewById(R.id.id_chat_listView); mMsg = (EditText) findViewById(R.id.id_chat_msg); mDatas.add(new ChatMessage(Type.INPUT, "我是小貅貅，很高兴为您服务")); } public void sendMessage(View view) { final String msg = mMsg.getText().toString(); if (TextUtils.isEmpty(msg)) { Toast.makeText(this, "您还没有填写信息呢...", Toast.LENGTH_SHORT).show(); return; } ChatMessage to = new ChatMessage(Type.OUTPUT, msg); to.setDate(new Date()); mDatas.add(to); mAdapter.notifyDataSetChanged(); mChatView.setSelection(mDatas.size() - 1); mMsg.setText(""); // 关闭软键盘 InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); // 得到InputMethodManager的实例 if (imm.isActive()) { // 如果开启 imm.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.HIDE_NOT_ALWAYS); // 关闭软键盘，开启方法相同，这个方法是切换开启与关闭状态的 } new Thread() { public void run() { ChatMessage from = null; try { from = HttpUtils.sendMsg(msg); } catch (Exception e) { from = new ChatMessage(Type.INPUT, "服务器挂了呢..."); } Message message = Message.obtain(); message.obj = from; mHandler.sendMessage(message); }; }.start(); }}消息ListView的adapter，根据类型的不同inflate不同的布局文件
package com.example.android_robot_01;import java.util.List;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.TextView;import com.example.android_robot_01.bean.ChatMessage;import com.example.android_robot_01.bean.ChatMessage.Type;public class ChatMessageAdapter extends BaseAdapter { private LayoutInflater mInflater; private List<ChatMessage> mDatas; public ChatMessageAdapter(Context context, List<ChatMessage> datas) { mInflater = LayoutInflater.from(context); mDatas = datas; } @Override public int getCount() { return mDatas.size(); } @Override public Object getItem(int position) { return mDatas.get(position); } @Override public long getItemId(int position) { return position; } /** * 接受到消息为1，发送消息为0 */ @Override public int getItemViewType(int position) { ChatMessage msg = mDatas.get(position); return msg.getType() == Type.INPUT ? 1 : 0; } @Override public int getViewTypeCount() { return 2; } @Override public View getView(int position, View convertView, ViewGroup parent) { ChatMessage chatMessage = mDatas.get(position); ViewHolder viewHolder = null; if (convertView == null) { viewHolder = new ViewHolder(); if (chatMessage.getType() == Type.INPUT) { convertView = mInflater.inflate(R.layout.main_chat_from_msg, parent, false); viewHolder.createDate = (TextView) convertView .findViewById(R.id.chat_from_createDate); viewHolder.content = (TextView) convertView .findViewById(R.id.chat_from_content); convertView.setTag(viewHolder); } else { convertView = mInflater.inflate(R.layout.main_chat_send_msg, null); viewHolder.createDate = (TextView) convertView .findViewById(R.id.chat_send_createDate); viewHolder.content = (TextView) convertView .findViewById(R.id.chat_send_content); convertView.setTag(viewHolder); } } else { viewHolder = (ViewHolder) convertView.getTag(); } viewHolder.content.setText(chatMessage.getMsg()); viewHolder.createDate.setText(chatMessage.getDateStr()); return convertView; } private class ViewHolder { public TextView createDate; public TextView name; public TextView content; }}获取消息的工具类,暴露出去的，就是sendMsg这个静态方法，当然将返回的数据也直接封装成了ChatMessage
package com.zhy.utils;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.Date;import com.example.android_robot_01.bean.ChatMessage;import com.example.android_robot_01.bean.ChatMessage.Type;import com.example.android_robot_01.bean.CommonException;import com.example.android_robot_01.bean.Result;import com.google.gson.Gson;public class HttpUtils { private static String API_KEY = "534dc342ad15885dffc10d7b5f813451"; private static String URL = "http://www.tuling123.com/openapi/api"; /** * 发送一个消息，并得到返回的消息 * @param msg * @return */ public static ChatMessage sendMsg(String msg) { ChatMessage message = new ChatMessage(); String url = setParams(msg); String res = doGet(url); Gson gson = new Gson(); Result result = gson.fromJson(res, Result.class); if (result.getCode() > 400000 || result.getText() == null || result.getText().trim().equals("")) { message.setMsg("该功能等待开发..."); }else { message.setMsg(result.getText()); } message.setType(Type.INPUT); message.setDate(new Date()); return message; } /** * 拼接Url * @param msg * @return */ private static String setParams(String msg) { try { msg = URLEncoder.encode(msg, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return URL + "?key=" + API_KEY + "&info=" + msg; } /** * Get请求，获得返回数据 * @param urlStr * @return */ private static String doGet(String urlStr) { URL url = null; HttpURLConnection conn = null; InputStream is = null; ByteArrayOutputStream baos = null; try { url = new URL(urlStr); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(5 * 1000); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod("GET"); if (conn.getResponseCode() == 200) { is = conn.getInputStream(); baos = new ByteArrayOutputStream(); int len = -1; byte[] buf = new byte[128]; while ((len = is.read(buf)) != -1) { baos.write(buf, 0, len); } baos.flush(); return baos.toString(); } else { throw new CommonException("服务器连接错误！"); } } catch (Exception e) { e.printStackTrace(); throw new CommonException("服务器连接错误！"); } finally { try { if (is != null) is.close(); } catch (IOException e) { e.printStackTrace(); } try { if (baos != null) baos.close(); } catch (IOException e) { e.printStackTrace(); } conn.disconnect(); } }}参考链接:
Android 智能问答机器人的实现 - Hongyang - 博客频道 - CSDN.NET
完成，效果如下
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