Android 线程和处理程序每次调用不同的方法

我正在开发与web服务器通信的应用程序。我需要两个通过线程调用的方法，还需要两个用于更新UI的处理程序方法。1线程方法和处理程序方法需要在活动开始时获取数据并更新UI。2线程方法和处理程序方法需要在服务器上回发数据。 我如何实现这一点

我的这个类的代码

 package com.edoc.doctor;

 import java.util.ArrayList;
 import java.util.HashMap;

 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;

 import com.edoc.libraries.FetchMedicines;
 import com.edoc.libraries.Functions;

 import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Spinner;
 import android.widget.Toast;

 public class AddPatient extends Activity implements Runnable, OnClickListener
 {
    public static final String appDoctor = "AppDoctor";

    public String KEY_SUCCESS = "success";

     private String success;

    private ProgressDialog pd;
     private JSONObject jsonObj;

    private boolean addNewPatient;

    private EditText email;
    private EditText phone;
    private EditText name;
    private EditText dob;
    private EditText lowBPMedicineInstructions;
    private EditText highBPMedicineInstructions;
    private EditText hyperLowBPMedicineInstructions;
    private EditText hyperHighBPMedicineInstructions;

    private Spinner lowBPMedicine;
    private Spinner highBPMedicine;
    private Spinner hyperLowBPMedicine;
    private Spinner hyperHighBPMedicine;

    private Button addPatient;


    private String strEmail;
    private String strPhone;
    private String strName;
    private String strDob;
    private String strLowBPMedicineInstructions;
    private String strHighBPMedicineInstructions;
    private String strHyperLowBPMedicineInstructions;
    private String strHyperHighBPMedicineInstructions;

     private String strLowBPMedicine;
private String strHighBPMedicine;
private String strHyperLowBPMedicine;
private String strHyperHighBPMedicine;

private ArrayAdapter<String> dataAdapter;
private ArrayList<String> medicines;
private ArrayList<Integer> medicineIDs;

protected void onCreate(Bundle savedInstanceState) 
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.add_patient);

    medicines = new ArrayList<String>();
    medicineIDs = new ArrayList<Integer>();

    addPatient = (Button) findViewById(R.id.ib_add_patient);
    addPatient.setOnClickListener(this);

    email = (EditText) findViewById(R.id.iet_add_patient_email);
    phone = (EditText) findViewById(R.id.iet_add_patient_phone);
    name = (EditText) findViewById(R.id.iet_add_patient_name);
    dob = (EditText) findViewById(R.id.iet_add_patient_date_of_birth);

    lowBPMedicineInstructions = (EditText) findViewById(R.id.iet_low_description);
    highBPMedicineInstructions = (EditText) findViewById(R.id.iet_high_description);
    hyperLowBPMedicineInstructions = (EditText) findViewById(R.id.iet_hyper_low_description);
    hyperHighBPMedicineInstructions = (EditText) findViewById(R.id.iet_hyper_high_description);

    lowBPMedicine = (Spinner) findViewById(R.id.isp_low_medicine);
    highBPMedicine = (Spinner) findViewById(R.id.high_medicine);
    hyperLowBPMedicine = (Spinner) findViewById(R.id.hyper_low_medicine);
    hyperHighBPMedicine = (Spinner) findViewById(R.id.hyper_high_medicine);

    dataAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_dropdown_item_1line, medicines);

    final int did = getID();
//  pd = ProgressDialog.show(getApplicationContext(), "Working..", "Connect To Server", true,false);

    new Thread(new Runnable() 
    { 
        public void run()
        {
            Functions fun = new Functions();
            jsonObj = fun.fetchMedicines(did);
            handler.sendEmptyMessage(0);
        }
}).start();


}
private Handler handler = new Handler() 
{


    @Override
    public void handleMessage(Message msg) 
    {

        try {
            Log.e("try","try");
            success = jsonObj.getString("success");

            Log.e("success",success);
            Log.e("add",""+addNewPatient);
            if(success.equals("1") && !addNewPatient)
            {
                JSONArray m = jsonObj.getJSONArray("medicines");

                // looping through All Contacts
                for(int i = 0; i < m.length(); i++)
                {
                    JSONObject c = m.getJSONObject(i);
                    String name = c.getString("medicine");
                    int id = c.getInt("id");
                    Log.e("m name",name+" "+id);
                    medicines.add(name);
                    medicineIDs.add(id);
                }


                dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                lowBPMedicine.setAdapter(dataAdapter);

                dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                highBPMedicine.setAdapter(dataAdapter);

                dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                hyperLowBPMedicine.setAdapter(dataAdapter);

                dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                hyperHighBPMedicine.setAdapter(dataAdapter);

            }
            else if(success.equals("1") && addNewPatient)
            {
                Log.e("success", ""+addNewPatient);
                pd.dismiss();
                Toast.makeText(getApplicationContext(), "Patient Add Successfully",Toast.LENGTH_LONG).show();
                finish();
            }
            else
            {
                Toast.makeText(getApplicationContext(), "Server down",Toast.LENGTH_LONG).show();
                finish();
            }
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
};


public int getID()
{
    int mode = Activity.MODE_PRIVATE;
    SharedPreferences mySharedPreferences = getSharedPreferences(appDoctor,mode);
    Editor editor = mySharedPreferences.edit();
    return mySharedPreferences.getInt("id",0);
}
@Override
public void run() 
{
    Functions function = new Functions();   
    jsonObj = function.addPatient(strEmail,strPhone,strName,strDob,strLowBPMedicine
            ,strHighBPMedicine,strHyperHighBPMedicine,strHyperLowBPMedicine,strLowBPMedicineInstructions
            , strHighBPMedicineInstructions, strHyperLowBPMedicineInstructions, strHyperHighBPMedicineInstructions, getID());
    addNewPatient = true;
    Log.e("run", ""+addNewPatient);
    handler.sendEmptyMessage(0);
}
@Override
public void onClick(View v) 
{
    Log.e("onclick","on click");

    strEmail = email.getText().toString();
    strPhone = phone.getText().toString();
    strName = name.getText().toString();
    strDob = dob.getText().toString();

    strLowBPMedicine = ""+lowBPMedicine.getSelectedItemPosition();
    strHighBPMedicine = ""+highBPMedicine.getSelectedItemPosition();
    strHyperLowBPMedicine = ""+hyperLowBPMedicine.getSelectedItemPosition();
    strHyperLowBPMedicine = ""+hyperLowBPMedicine.getSelectedItemPosition();

    strLowBPMedicineInstructions = lowBPMedicineInstructions.getText().toString();
    strHighBPMedicineInstructions = highBPMedicineInstructions.getText().toString();
    strHyperLowBPMedicineInstructions = hyperLowBPMedicineInstructions.getText().toString();
    strHyperHighBPMedicineInstructions = hyperHighBPMedicineInstructions.getText().toString();

    pd = ProgressDialog.show(this, "Working..", "Connect To Server", true,false);
    Thread t = new Thread();
    t.start();
}

  }

package com.edoc.doctor；
导入java.util.ArrayList；
导入java.util.HashMap；
导入org.json.JSONArray；
导入org.json.JSONException；
导入org.json.JSONObject；
导入com.edoc.libraries.FetchMedicines；
导入com.edoc.libraries.Functions；
导入android.app.Activity；
导入android.app.ProgressDialog；
导入android.content.SharedReferences；
导入android.content.SharedReferences.Editor；
导入android.os.Bundle；
导入android.os.Handler；
导入android.os.Message；
导入android.util.Log；
导入android.view.view；
导入android.view.view.OnClickListener；
导入android.widget.ArrayAdapter；
导入android.widget.Button；
导入android.widget.EditText；
导入android.widget.Spinner；
导入android.widget.Toast；
公共类AddPatient extends活动实现可运行的OnClickListener
{
公共静态最终字符串appDoctor=“appDoctor”；
公共字符串密钥\u SUCCESS=“SUCCESS”；
私人字符串成功；
私营部门；
私有JSONObject JSONObject；
私家医院；新病人；
私人文本电子邮件；
私人文本电话；
私有文本名；
私人编辑文本dob；
私人编辑文本和药品说明书；
私人编辑文本highBPMedicineInstructions；
私人编辑文本hyperLowBPMedicineInstructions；
私人编辑文本hyperHighBPMedicineInstructions；
私人纺纱机；
私人纺纱机；
私人纺纱机；
私人纺纱机；
私人病人；
私密邮件；
私人电话；
私有字符串strName；
私有字符串strDob；
私有字符串strLowBPMedicineInstructions；
私有字符串strHighBPMedicineInstructions；
私有字符串strHyperLowBPMedicineInstructions；
私有字符串strHyperHighBPMedicineInstructions；
私人字符串strLowBPMedicine；
私人医疗；
私人字符串strHyperLowBPMedicine；
私家字符串标准型；
专用阵列适配器数据适配器；
私人ArrayList药品；
私人ArrayList medicineIDs；
创建时受保护的void（Bundle savedInstanceState）
{
super.onCreate（savedInstanceState）；
setContentView（右布局，添加患者）；
药物=新ArrayList（）；
MedicineId=新的ArrayList（）；
addPatient=（按钮）findViewById（R.id.ib\u add\u patient）；
addPatient.setOnClickListener（此）；
电子邮件=（EditText）findViewById（R.id.iet\u add\u patient\u email）；
phone=（EditText）findViewById（R.id.iet\u add\u patient\u phone）；
name=（EditText）findViewById（R.id.iet\u add\u patient\u name）；
dob=（EditText）findViewById（R.id.iet\u添加患者\u日期\u出生日期）；
lowBPMedicineInstructions=（EditText）findViewById（R.id.iet\u low\u描述）；
highBPMedicineInstructions=（EditText）findViewById（R.id.iet\u high\u描述）；
hyperLowBPMedicineInstructions=（EditText）findViewById（R.id.iet\u hyper\u low\u描述）；
hyperHighBPMedicineInstructions=（EditText）findViewById（R.id.iet\u hyper\u high\u描述）；
lowBPMedicine=（微调器）findViewById（R.id.isp\u low\u medicine）；
highBPMedicine=（微调器）findViewById（R.id.high_medicine）；
hyperLowBPMedicine=（微调器）findViewById（R.id.hyper\u low\u medicine）；
hyperHighBPMedicine=（微调器）findViewById（R.id.hyper\u high\u medicine）；
dataAdapter=new ArrayAdapter（此，
android.R.layout.simple\u下拉列表\u项目线，药品）；
final int did=getID（）；
//pd=ProgressDialog.show（getApplicationContext（），“正在工作…”，连接到服务器，true，false）；
新线程（newrunnable（））
{ 
公开募捐
{
函数fun=新函数（）；
jsonObj=fun.fetch（did）；
handler.sendEmptyMessage（0）；
}
}).start（）；
}
私有处理程序=新处理程序（）
{
@凌驾
公共无效handleMessage（消息消息消息）
{
试一试{
Log.e（“try”、“try”）；
success=jsonObj.getString（“success”）；
Log.e（“成功”，成功）；
Log.e（“添加”、“添加新患者”）；
if（success.equals（“1”）&&&！addNewPatient）
{
JSONArray m=jsonObj.getJSONArray（“药物”）；
//通过所有触点循环
对于（int i=0；i