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Android studio開(kāi)發(fā)小型對(duì)話機(jī)器人app(實(shí)例代碼)

 更新時(shí)間:2020年04月11日 11:05:34   作者:Lang.  
這篇文章主要介紹了Android studio開(kāi)發(fā)一個(gè)小型對(duì)話機(jī)器人app,本文通過(guò)實(shí)例代碼給大家介紹的非常詳細(xì),對(duì)大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值,需要的朋友可以參考下

前言

偶然在網(wǎng)上看到一個(gè)免費(fèi)機(jī)器人接口,所以生此想法,接口地址:http://api.qingyunke.com/,Android開(kāi)發(fā)比爬蟲(chóng)要繁瑣得多,所以本文我將細(xì)說(shuō)接口的調(diào)用方法,讀者可根據(jù)思路去網(wǎng)上找一些免費(fèi)接口拿來(lái)玩,其他代碼一帶而過(guò),詳細(xì)源碼見(jiàn)文末。

成品展示:

在這里插入圖片描述

開(kāi)發(fā)步驟

1)新建項(xiàng)目empty,必要可github托管。

2)先寫(xiě)頁(yè)面在res->layout目錄下新建兩個(gè)layout xml file

在這里插入圖片描述

activity_main作為主頁(yè)面,msg_item為附在其上的消息頁(yè)面。(具體代碼見(jiàn)文末)

這里再acitvity_main采用的不是ListView而是RecyclerView。

(3)寫(xiě)接口調(diào)用首先封裝一個(gè)RobotManager類,用于接收用戶輸入之后對(duì)Url進(jìn)行封裝。

public class RobotManager {
 private static String url = "http://api.qingyunke.com/api.php?key=free&appid=0&msg=!!";

 public static String getUrl(String question){
 String real_url = url.replace("!!",question);//將url中的!!替換為用戶輸入的內(nèi)容
 return real_url;
 }
}

其次在java->第一個(gè)包下創(chuàng)建一個(gè)接口GetConnection,用來(lái)接收接口返回的返回。

public interface GetConnection {
 void onFinish(String response);	//返回正常
 void onError(Exception e);	//返回錯(cuò)誤
}

然后開(kāi)始寫(xiě)MyConnection類,調(diào)用接口,給參,并通過(guò)GetConnection接口將網(wǎng)上接口返回的數(shù)據(jù)傳遞出去。

public class MyConnection {

 public static void getResponse(final String url,final GetConnection getConnection){
 new Thread(new Runnable() {
  @Override
  public void run() {
  HttpURLConnection connection;
  try{
   URL Url = new URL(url);
   connection = (HttpURLConnection) Url.openConnection();
   connection.setRequestMethod("GET");//Get方法
   connection.setConnectTimeout(2000);//延時(shí)時(shí)間
   connection.setReadTimeout(3000);
   connection.setDoInput(true);
   InputStream in = connection.getInputStream();
   BufferedReader reader = new BufferedReader(new InputStreamReader(in));
   StringBuilder response = new StringBuilder();
   String line;
   while ((line = reader.readLine()) != null) {
   response.append(line);
   }
   Log.e("result",response.toString());
   if (getConnection != null) {
   getConnection.onFinish(response.toString());
   }else {
   Log.e("WeiNull","WeiNull");//測(cè)試時(shí)用的,無(wú)須關(guān)心。
   }
  }catch(IOException io) {
   if (getConnection != null) {
   getConnection.onError(io);
   }
  }
  }
 }).start();

 }
}

(4)寫(xiě)頁(yè)面邏輯頁(yè)面邏輯主要是將從接口得到的內(nèi)容渲染到頁(yè)面上。首先進(jìn)行一系列初始化,綁定布局,然后監(jiān)聽(tīng)按鈕點(diǎn)擊接收用戶輸入,調(diào)用MyConnection類傳入url,輸入內(nèi)容接收接口返回內(nèi)容,同時(shí)用handler動(dòng)態(tài)更新頁(yè)面。

public class MainActivity extends AppCompatActivity {

 private List<Msg> msgList = new ArrayList<Msg>();

 private EditText inputText;

 private Button send;

 private RecyclerView msgRecyclerView;

 private MsgAdapter adapter;

 private Handler handler = new Handler(){
 @Override
 public void handleMessage(@NonNull Message msg) {
  switch (msg.what){
  case 1:{
   Bundle data = msg.getData();
   String result = data.getString("result");
   Msg robotMsg = new Msg(result,Msg.TYPE_RECEIVED);
   msgList.add(robotMsg);
   adapter.notifyItemInserted(msgList.size() - 1); // 當(dāng)有新消息時(shí),刷新ListView中的顯示
   msgRecyclerView.scrollToPosition(msgList.size() - 1); // 將ListView定位到最后一行
  }break;
  case 2:{}break;
  default:break;
  }
 }
 };

 private void getInter(String content){
 MyConnection.getResponse(RobotManager.getUrl(content), new GetConnection() {
  @Override
  public void onFinish(String response) {
  ContentBean contentBean = new ContentBean();
  Log.e("getResult",response);
  Message msg = new Message();
  Bundle data = new Bundle();
  Gson gson = new Gson();
  contentBean = gson.fromJson(response,ContentBean.class);	//用Gson將返回內(nèi)容序列化為ContentBean對(duì)象。
  if(contentBean.getResult()==0){
   data.putString("result",contentBean.getContent());
  }else{
   data.putString("result","我聽(tīng)不懂你在說(shuō)什么呀!");
  }
  msg.setData(data);
  msg.what = 1;
  handler.sendMessage(msg);
  }

  @Override
  public void onError(Exception e) {
  e.printStackTrace();
  }
 });
 }

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 initMsgs(); // 初始化消息數(shù)據(jù)
 inputText = findViewById(R.id.input_text);
 send = findViewById(R.id.send);
 msgRecyclerView = findViewById(R.id.msg_recycler_view);
 LinearLayoutManager layoutManager = new LinearLayoutManager(this);
 msgRecyclerView.setLayoutManager(layoutManager);
 adapter = new MsgAdapter(msgList);
 msgRecyclerView.setAdapter(adapter);
 send.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  String content = inputText.getText().toString();
  if (!"".equals(content)) {
   Msg msg = new Msg(content, Msg.TYPE_SENT);
   msgList.add(msg);
   getInter(content);
   Log.e("url",RobotManager.getUrl(content));
   adapter.notifyItemInserted(msgList.size() - 1); // 當(dāng)有新消息時(shí),刷新ListView中的顯示
   msgRecyclerView.scrollToPosition(msgList.size() - 1); // 將ListView定位到最后一行
   inputText.setText(""); // 清空輸入框中的內(nèi)容

  }
  }
 });
 }

 private void initMsgs() {
 Msg msg1 = new Msg("我是菲菲,快來(lái)和我聊天吧* ( ´͈ ᵕ `͈ )◞♡", Msg.TYPE_RECEIVED);
 msgList.add(msg1);
 }
}

由于接口返回的數(shù)據(jù)是Json格式,所以我們需要對(duì)Json進(jìn)行解析,本文采用google的Gson庫(kù)對(duì)其進(jìn)行解析,將接口內(nèi)容序列化為一個(gè)類ContentBean。解析過(guò)程見(jiàn)上面代碼。

public class ContentBean {

 /**
 * result : 0
 * content : [04月08日] 邯鄲天氣:小雨,白天 17℃,夜晚 9℃,微風(fēng),<3級(jí)轉(zhuǎn)3-4級(jí)
 */
 private int result;
 private String content;

 public int getResult() {
 return result;
 }

 public void setResult(int result) {
 this.result = result;
 }

 public String getContent() {
 return content;
 }

 public void setContent(String content) {
 this.content = content;
 }
}

(5)其余代碼Msg和MsgAdapter用于解析消息是發(fā)送方還是接收方
并展示在消息列表上Msg

public class Msg {

 public static final int TYPE_RECEIVED = 0;

 public static final int TYPE_SENT = 1;

 private String content;

 private int type;

 public Msg(String content, int type) {
 this.content = content;
 this.type = type;
 }

 public String getContent() {
 return content;
 }

 public int getType() {
 return type;
 }

}

MsgAdapter

public class MsgAdapter extends RecyclerView.Adapter<MsgAdapter.ViewHolder> {

 private List<Msg> mMsgList;

 static class ViewHolder extends RecyclerView.ViewHolder {

 LinearLayout leftLayout;

 LinearLayout rightLayout;

 TextView leftMsg;

 TextView rightMsg;

 public ViewHolder(View view) {
  super(view);
  leftLayout = (LinearLayout) view.findViewById(R.id.left_layout);
  rightLayout = (LinearLayout) view.findViewById(R.id.right_layout);
  leftMsg = (TextView) view.findViewById(R.id.left_msg);
  rightMsg = (TextView) view.findViewById(R.id.right_msg);
 }
 }

 public MsgAdapter(List<Msg> msgList) {
 mMsgList = msgList;
 }

 @Override
 public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
 View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.msg_item, parent, false);
 return new ViewHolder(view);
 }

 @Override
 public void onBindViewHolder(ViewHolder holder, int position) {
 Msg msg = mMsgList.get(position);
 if (msg.getType() == Msg.TYPE_RECEIVED) {
  // 如果是收到的消息,則顯示左邊的消息布局,將右邊的消息布局隱藏
  holder.leftLayout.setVisibility(View.VISIBLE);
  holder.rightLayout.setVisibility(View.GONE);
  holder.leftMsg.setText(msg.getContent());
 } else if(msg.getType() == Msg.TYPE_SENT) {
  // 如果是發(fā)出的消息,則顯示右邊的消息布局,將左邊的消息布局隱藏
  holder.rightLayout.setVisibility(View.VISIBLE);
  holder.leftLayout.setVisibility(View.GONE);
  holder.rightMsg.setText(msg.getContent());
 }
 }

 @Override
 public int getItemCount() {
 return mMsgList.size();
 }

}

尾聲

以上代碼可復(fù)制使用,但其中有一些圖片,類庫(kù)什么的需要自行導(dǎo)入,完整代碼見(jiàn)geithub:點(diǎn)擊此處直達(dá)

該項(xiàng)目是我早期項(xiàng)目,只是為了記錄當(dāng)初的開(kāi)發(fā)流程,所以并不存在什么設(shè)計(jì)模式,代碼結(jié)構(gòu)也比較亂,注釋也比較少,如果有任何問(wèn)題,歡迎添加我的QQ詢問(wèn)!

總結(jié)

到此這篇關(guān)于Android studio開(kāi)發(fā)一個(gè)小型對(duì)話機(jī)器人app的文章就介紹到這了,更多相關(guān)android studio 對(duì)話機(jī)器人內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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