本项目主要实现的是即时智能聊天的功能,主要用的是图灵机器人作为服务端网站,对客户端发送的信息进行处理以及回复,其效果如下图所示(由于资源是网上找的卡通形象,故整体效果比较的卡通):若有需要代码的可以去http://download.csdn.net/detail/q394895302/9104417下载(编码方式UTF-8),有问题的地方请指出,共同学习。
该项目应用于Android 4.0以上版本,主要目的是为了熟悉Android 常用UI控件,网络链接,以及用消息处理机制实现客户端与服务端的通讯。
其部分代码如下:
此部分代码主要是为了链接服务端即图灵智能机器人
<span style="font-size:18px;"><span style="font-size:18px;">/** * 发送一个消息,并得到返回的消息 * * @param msg * @return */ public static ChatMessgeBean sendMsg(String msg) { ChatMessgeBean message = new ChatMessgeBean(); 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(); } }</span></span>
<span style="font-size:18px;"><span style="font-size:18px;">private ListView mMsgList;// 展示消息的listview private EditText mSendMsgEdit;// 文本域 private List<ChatMessgeBean> mList = new ArrayList<ChatMessgeBean>();// 存储聊天消息 private ChatMessgeBeanAdapter mAdapter;// 适配器 private Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { ChatMessgeBean from = (ChatMessgeBean) msg.obj; mList.add(from); mAdapter.notifyDataSetChanged(); mMsgList.setSelection(mList.size() - 1); }; }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_chatting); initView(); mAdapter = new ChatMessgeBeanAdapter(this, mList); mMsgList.setAdapter(mAdapter); } private void initView() { mMsgList = (ListView) findViewById(R.id.chat_listView); mSendMsgEdit = (EditText) findViewById(R.id.chat_send_msg_edit); mList.add(new ChatMessgeBean(ChatMessgeBean.Type.INPUT, "我是潴潴壞寶唄,很高兴为您服务")); } public void sendMessage(View view) { final String msg = mSendMsgEdit.getText().toString(); if (TextUtils.isEmpty(msg)) { Toast.makeText(this, "您还没有填写信息呢...", Toast.LENGTH_SHORT).show(); return; } ChatMessgeBean to = new ChatMessgeBean(Type.OUTPUT, msg); to.setDate(new Date()); mList.add(to); mAdapter.notifyDataSetChanged(); mMsgList.setSelection(mList.size() - 1); mSendMsgEdit.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() { ChatMessgeBean from = null; try { from = HttpConnectionUntil.sendMsg(msg); } catch (Exception e) { from = new ChatMessgeBean(Type.INPUT, "服务器挂了呢..."); } Message message = Message.obtain(); message.obj = from; mHandler.sendMessage(message); }; }.start(); } /** * 自定义适配器 */ class ChatMessgeBeanAdapter extends BaseAdapter { private LayoutInflater mInflater; private List<ChatMessgeBean> mDatas; public ChatMessgeBeanAdapter(Context context, List<ChatMessgeBean> 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) { ChatMessgeBean 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) { ChatMessgeBean ChatMessgeBean = mDatas.get(position); ViewHolder viewHolder = null; if (convertView == null) { viewHolder = new ViewHolder(); if (ChatMessgeBean.getType() == Type.INPUT) { convertView = mInflater.inflate( R.layout.activity_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.activity_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(ChatMessgeBean.getMsg()); viewHolder.createDate.setText(ChatMessgeBean.getDateStr()); return convertView; } </span></span>