Android之Android studio实现智能聊天

package robot.com.myapplication; import android.view.View; import java.text.SimpleDateFormat; import java.util.Date; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import org.json.JSONException; import org.json.JSONObject; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; public class MainActivity extends AppCompatActivity implements HttpGetDataListener,View.OnClickListener { private HttpData httpData;// �첽������� private List<ListData> lists; private ListView lv; private EditText et_sendText; private Button btn_send; private String content_str; // �惦��EditText�@ȡ���Ĕ��� private TextAdapter adapter; private String[] welcome_arry;//��ӭ�� private double currentTime,oldTime = 0;//�Ի�ʱ�� @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Log.i("haha7", "----------7"); initView(); Log.i("haha8", "----------8"); } /** * ʵ�������� */ private void initView(){ lists = new ArrayList<ListData>(); lv = (ListView) findViewById(R.id.lv); et_sendText = (EditText) findViewById(R.id.et_sendText); btn_send = (Button) findViewById(R.id.btn_send); btn_send.setOnClickListener(this); adapter = new TextAdapter(lists, this); lv.setAdapter(adapter);//��adapter ListData listData; listData = new ListData(getRandomWelcomeTips(),ListData.RECEIVE, getTime()); lists.add(listData);//��ӻ�ӭ�� } /** * ���û�ӭ�� */ public String getRandomWelcomeTips(){ // String welcome_tip = null; // welcome_arry = this.getResources().getStringArray(getResources().getString(R.string.welcome_tips));//��string.xml�л�ȡ��Ϊwelcome_tips���ַ������� // int index = (int)(Math.random()*(welcome_arry.length - 1));//��ȡһ������� // welcome_tip = welcome_arry[index]; return getResources().getString(R.string.welcome_tips); } /** * ����ʱ�� * @return */ private String getTime(){ currentTime = System.currentTimeMillis(); SimpleDateFormat format = new SimpleDateFormat("yyyy��MM��dd�� HH:mm:ss"); Date curDate = new Date(); String str = format.format(curDate); if(currentTime - oldTime >= 5*60*1000){//�������5���ӣ���ʾʱ�� oldTime = currentTime; return str; }else{ return ""; } } @Override public void getDataUrl(String data) { Log.i("haha---data=","------" + data); parseText(data); } public void parseText(String str){//����json try { JSONObject jb = new JSONObject(str); ListData listData; listData = new ListData(jb.getString("text"),ListData.RECEIVE, getTime()); lists.add(listData); adapter.notifyDataSetChanged();//�����m�䣿�� } catch (JSONException e) { e.printStackTrace(); } } @Override public void onClick(View v) { getTime();//����ʱ�� content_str = et_sendText.getText().toString();//�@ȡEditText���� et_sendText.setText(""); String dropk = content_str.replace(" ", "");//ȥ���ո� String droph = dropk.replace("\n", "");//ȥ���س� ListData listData; listData = new ListData(content_str, ListData.SEND, getTime()); lists.add(listData); Log.i("haha9", "----------content_str="+content_str); adapter.notifyDataSetChanged();//ˢ�� Log.i("haha6", "----------content_str="+content_str); httpData = (HttpData) new HttpData( "http://www.tuling123.com/openapi/api?key=02dfb86de93f8a3e81dabd214a50c8fa&info=" + droph + "&userid=15602229049", this).execute();// �����Ѿ�ȥ���ո�ͻس�content_str������droph ; execute()�����첽ͨ�� Log.i("haha5", "----------"+httpData); if(lists.size() > 30){//�����Ļ�ϵĶԻ����ݶ���30�����Ƴ�ǰ������� for (int i = 0; i < lists.size(); i++) { lists.remove(i); } } } }