kotlin实现语音聊天机器人案例详解
目录
- 一.机器人聊天—对话adapter的实现
- 二.机器人聊天—机器人实时对话实现
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此篇文章完成后效果展示:
一.机器人聊天—对话adapter的实现
1.准备两张左右两边动画背景图片,做left,和right两边布局,为Recyclerview的实现做准备。
left_item.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="wrap_content" android:gravity="center_vertical" android:orientation="horizontal"> <ImageView android:layout_width="50dp" android:layout_height="50dp" android:layout_marginLeft="10dp" android:src="@drawable/assistant"/> <TextView android:id="@+id/tv_left_text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:background="@drawable/chat_bg_cloud" android:gravity="center_vertical" android:padding="20dp" android:textColor="@android:color/white"/> </LinearLayout>
right_item.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="wrap_content" android:gravity="right|center_vertical" android:orientation="horizontal"> <TextView android:id="@+id/tv_right_text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="10dp" android:background="@drawable/chat_bg_user" android:gravity="center_vertical" android:padding="20sp" android:textColor="@android:color/white"/> <ImageView android:layout_width="50dp" android:layout_height="50dp" android:layout_marginRight="10dp" android:src="@drawable/user"/> </LinearLayout>
2.在ent开发者_Js入门ity包下ChatListData对话列表的实体类,代码如下:
package com.zrc.smartbutler.entity /** *项目名: SmartButler *包名: com.zrc.smartbutler.entity *文件名: ChatListData *描述: 对话列表的实体类 */ class ChatListData(var type:Int,var context:String){ companion object{ const val TyPE_RECEIVED = 0 const val Type_SENT = 1 } }
3.在adapter包下创建ChatListAdapter对话Adapter,代码如下:
package com.zrc.smartbutler.adapter import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.TextView import androidx.recyclerview.widget.RecyclerView import com.zrc.smartbutler.R import com.zrc.smartbutler.entity.ChatListData /** *项目名: SmartButler *包名: com.zrc.smartbutler.adapter *文件名: ChatListAdapter *描述: 对话Adapter */ class ChatListAdapter (val mList:List<ChatListData>): RecyclerView.Adapter<RecyclerView.ViewHolder>() { inner class LeftViewHolder(view:View):RecyclerView.ViewHolder(view){ val leftMsg:TextView = view.findViewById(R.id.tv_left_text) } inner class RightViewHolder(view:View):RecyclerView.ViewHolder(view){ val rightMsg:TextView = view.findViewById(R.id.tv_right_text) } override fun getItemViewType(position: Int): Int { 编程 val msg = mList[position] return msg.type } override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = if(viewType==ChatListData.TyPE_RECEIVED){ val view = LayoutInflater.from(parent.context).inflate(R.layout.left_item,parent,false) LeftViewHolder(view) }else{ val view = LayoutInflater.from(parent.context).inflate(R.layout.right_item,parent,false) RightViewHolder(view) } override fun getItemCount() = mList.size override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) { val msg = mList[position] when(holder){ is LeftViewHolder -> holder.leftMsg.text = msg.context is RightViewHolder -> holder.rightMsg.text = msg.context else -> throw IllegalArgumentException() } } }
这段代码,仿写自郭霖大神的第一行代码(第三版),详情解析,请查看第三行代码!
至此,对话adapter完成!!!
二.机器人聊天&mdphpash;机器人实时对话实现
1.导入RecyclerView依赖
implementation 'androidx.recyclerview:recyclerview:1.1.0
2.前往fragment_butler.xml,编写界面交互代码:
<?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="@drawable/wechat_bg" android:orientation="vertical"> <androidx.recyclerview.widget.RecyclerView android:id="@+id/recyclerView" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"> <EditText android:id="@+id/inputText" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:hint="输入" android:maxLines="2"/> <Button android:id="@+id/send" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="5dp" android:background="@drawable/button_bg" android:text="发送"/> </LinearLayout> </LinearLayout>
3.编写Kotlin交互代码:
package com.zrc.smartbutler.fragment import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.Toast import androidx.fragment.app.Fragment import androidx.recyclerview.widget.LinearLayoutManager import com.kymjs.rxvolley.RxVolley import com.kymjs.rxvolley.client.HttpCallback import com.zrc.smartbutler.R import com.zrc.smartbutler.adapter.ChatListAdapter import com.zrc.smartbutler.entity.ChatListData import com.zrc.smartbutler.utils.StaticClass import kotlinx.android.synthetic.main.fragment_butler.view.* import org.json.JSONException import org.json.JSONObject /** *项目名: SmartButler *包名: com.zrc.smartbutler.fragment *文件名: ButlerFragment *描述: 服务管家 */ class ButlerFragment:Fragment() { private val msgList = ArrayList<ChatListData>() private var adapter:ChatListAdapter?= null override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? { val view:View = inflater.inflate(R.layout.fragment_butler,null) findView() val layoutMaphpnager = LinearLayoutManager(this.context) view.recyclerView.layoutManager = layoutManager adapter = ChatListAdapter(msgList) view.recyclerView.adapter = adapter view.send.setOnClickListener { /** * 逻辑 * 1.获取输入框的内容 * 2.判断是否为空 * 3.判断长度不能大于30 * 4.添加你输入的内容到right item * 5.清空当前的输入框 * 6.发送给机器人请求返回内容 * 7.拿到机器人的返回值之后添加在left item */ //1.获取输入框的内容 val content = view.inputText.text.toString() //2.判断是否为空 if(content.isNotEmpty()){ //3.判断长度不能大于30 if(content.length>30){ Toast.makeText(activity,"输入长度超出限制",Toast.LENGTH_SHORT).show() }else{ //4.添加你输入的内容到right item val msg = ChatListData(ChatListData.Type_SENT,content) msgList.add(msg) adapter?.notifyItemInserted(msgList.size-1)//当有新消息时,刷新RecycleView中的显示 view.recyclerView.scrollToPosition(msgList.size-1)//讲RecycleView定位到最后一行 //5.清空当前的输入框 view.inputText.setText("") //6.发送给机器人请求返回内容 //6.发送给机器人请求返回内容 val url = ("http://op.juhe.cn/robot/index?info=" + content + "&key=" + StaticClass().CHAT_LIST_KEY) RxVolley.get(url,object :HttpCallback(){ override fun onwww.devze.comSuccess(t: String?) { //Toast.makeText(activity,t,Toast.LENGTH_SHORT).show() parsingJson(t!!,vjavascriptiew) } }) } }else{ Toast.makeText(activity,"输入框不能为空",Toast.LENGTH_SHORT).show() } } return view } private fun findView() { val msg1 = ChatListData(ChatListData.TyPE_RECEIVED,"你好,我是大雨子!!!") msgList.add(msg1) } //解析Json private fun parsingJson(t: String,view: View) { try { val jsonObhect = JSONObject(t) val jsonresult = jsonObhect.getJSONObject("result") //拿到返回值 val text = jsonresult.getString("text") //7.拿到机器人的返回值之后添加在left item val msg = ChatListData(ChatListData.TyPE_RECEIVED,text) msgList.add(msg) adapter?.notifyItemInserted(msgList.size-1)//当有新消息时,刷新RecycleView中的显示 view.recyclerView.scrollToPosition(msgList.size-1)//讲RecycleView定位到最后一行 } catch (e: JSONException) { e.printStackTrace() } } }
代码逻辑上面注释已经写清楚了,就不多赘述!!!
至此,机器人的对话实现!!!
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