Java 未从上一页检索到数据，正在从intent传递
我的应用程序需要将页面中的数据传递到另一个页面，但很明显，数据没有传递，我不确定是否有错误。以下是警告代码和错误代码Java 未从上一页检索到数据，正在从intent传递,java,android,json,android-intent,Java,Android,Json,Android Intent,我的应用程序需要将页面中的数据传递到另一个页面，但很明显，数据没有传递，我不确定是否有错误。以下是警告代码和错误代码 W/System.err(18031): org.json.JSONException: No value for employ W/System.err(18031): at org.json.JSONObject.get(JSONObject.java:354) W/System.err(18031): at org.json.JSONObject.getJSON
W/System.err(18031): org.json.JSONException: No value for employ
W/System.err(18031): at org.json.JSONObject.get(JSONObject.java:354)
W/System.err(18031): at org.json.JSONObject.getJSONArray(JSONObject.java:548)
W/System.err(18031): at com.example.splashscreentwo.EmployeePayslip$GetEmployeeDetails.doInBackground(EmployeePayslip.java:138)
W/System.err(18031): at com.example.splashscreentwo.EmployeePayslip$GetEmployeeDetails.doInBackground(EmployeePayslip.java:1)
W/System.err(18031): at android.os.AsyncTask$2.call(AsyncTask.java:287)
W/System.err(18031): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
W/System.err(18031): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
W/System.err(18031): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
W/System.err(18031): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
W/System.err(18031): at java.lang.Thread.run(Thread.java:841)
E/ViewRootImpl(18031): sendUserActionEvent() mView == null
package com.example.splashscreentwo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;
public class EmployeePayslip extends Activity {
private ProgressDialog pDialog;
String pid;
TextView employeeName;
TextView Desc;
TextView txtCreatedAt;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
JSONArray payslip = null;
ArrayList<HashMap<String, String>> payslipList;
// url to get all fulltime employees list
private static String url_payslip = "http://rollit.sg/FYP/ExportPayslip.php";
private static String url_employees = "http://rollit.sg/FYP/Existing_employees_FullTime.php";
private static final String TAG_SUCCESS = "success";
private static final String TAG_PAYSLIP = "payslip";
private static final String TAG_PID = "pid";
private static final String TAG_NAME = "name";
private static final String TAG_PAYSLIPNO = "payslipno";
private static final String TAG_NETSALARY = "netsalary";
private static final String TAG_ISSUEDATE = "issuedate";
private static final String TAG_STARTOFPAYSLIP = "startofpayslip";
private static final String TAG_ENDOFPAYSLIP = "endofpayslip";
private static final String TAG_TYPEOFALLOWANCE = "typeofallowance";
private static final String TAG_ALLOWANCEAMT = "allowanceamt";
private static final String TAG_ALLOWANCEDATE = "allowancedate";
private static final String TAG_AVAILABLEALLOWANCE = "availableallowance";
private static final String TAG_TYPEOFDEDUCTION = "typeofdeduction";
private static final String TAG_DEDUCTIONAMT = "deductionamt";
private static final String TAG_DEDUCTIONDATE = "deductiondate";
private static final String TAG_AGREEDOVERTIMERATE = "agreedovertimerate";
private static final String TAG_OVERTIMERATE = "overtimerate";
private static final String TAG_STARTOFOVERTIMEPERIOD = "startofovertimeperiod";
private static final String TAG_ENDOFOVERTIMEPERIOD = "endofovertimeperiod";
private static final String TAG_BASICSALARY = "basicsalary";
private static final String TAG_EXTRAPAYMENT = "extrapayment";
private static final String TAG_EMPLOYEE = "employ";
private static final String TAG_SALARY = "pay";
private static final String TAG_DESCRIPTION = "description";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.employeepayslip);
payslipList = new ArrayList<HashMap<String, String>>();
// Loading all fulltime employees in Background Thread
// getting employee details from intent
Intent i = getIntent();
// getting employee id (pid) from intent
pid = i.getStringExtra(TAG_PID);
new GetEmployeeDetails().execute();
}
class GetEmployeeDetails extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(EmployeePayslip.this);
pDialog.setMessage("Loading employees details. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
/**
* Getting employee details in background thread
* */
protected String doInBackground(String... params) {
// updating UI from Background Thread
// Check for success tag
int success;
try {
// Building Parameters
List<NameValuePair> params1 = new ArrayList<NameValuePair>();
params1.add(new BasicNameValuePair("pid", pid));
// getting employee details by making HTTP request
// Note that employee details url will use GET request
JSONObject json = jParser.makeHttpRequest(
url_employees, "GET", params1);
// check your log for json response
Log.d("Employee Details", json.toString());
// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// successfully received employee details
JSONArray employeeObj = json
.getJSONArray(TAG_EMPLOYEE); // JSON Array
// get first employee object from JSON Array
JSONObject employee = employeeObj.getJSONObject(0);
// employee with this pid found
// Edit Text
employeeName = (TextView) findViewById(R.id.employeeName);
Desc = (TextView) findViewById(R.id.departmenttext);
// display employee data in EditText
employeeName.setText(employee.getString(TAG_NAME));
Desc.setText(employee.getString(TAG_DESCRIPTION));
}else{
// employee with pid not found
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once got all details
pDialog.dismiss();
}
}
}
package com.example.two；
导入java.util.ArrayList；
导入java.util.HashMap；
导入java.util.List；
导入org.apache.http.NameValuePair；
导入org.apache.http.message.BasicNameValuePair；
导入org.json.JSONArray；
导入org.json.JSONException；
导入org.json.JSONObject；
导入android.app.Activity；
导入android.app.ProgressDialog；
导入android.content.Intent；
导入android.net.Uri；
导入android.os.AsyncTask；
导入android.os.Bundle；
导入android.telephony.smsmsmanager；
导入android.util.Log；
导入android.view.view；
导入android.widget.Button；
导入android.widget.ImageButton；
导入android.widget.TextView；
导入android.widget.Toast；
公共类EmployeePayslip扩展活动{
私人对话；
串pid；
TextView employeeName；
文本视图描述；
TextView txtCreatedAt；
//创建JSON解析器对象
JSONParser jParser=新的JSONParser（）；
JSONArray工资单=空；
ArrayList工资列表；
//获取所有全职员工列表的url
私有静态字符串url_工资单=”http://rollit.sg/FYP/ExportPayslip.php";
私有静态字符串url_employees=”http://rollit.sg/FYP/Existing_employees_FullTime.php";
私有静态最终字符串标记_SUCCESS=“SUCCESS”；
私有静态最终字符串标记\u PAYSLIP=“PAYSLIP”；
私有静态最终字符串标记_PID=“PID”；
私有静态最终字符串标记_NAME=“NAME”；
私有静态最终字符串标记\u PAYSLIPNO=“PAYSLIPNO”；
私有静态最终字符串标记\u NETSALARY=“NETSALARY”；
私有静态最终字符串标记_ISSUEDATE=“ISSUEDATE”；
私有静态最终字符串标记\u startoffayslip=“startoffayslip”；
私有静态最终字符串标记；
私有静态最终字符串标记\u TYPEOFALLOWANCE=“TYPEOFALLOWANCE”；
私有静态最终字符串标记\u ALLOWANCEAMT=“ALLOWANCEAMT”；
私有静态最终字符串标记\u ALLOWANCEDATE=“ALLOWANCEDATE”；
私有静态最终字符串标记\u AvailableLowance=“AvailableLowance”；
私有静态最终字符串标记\u typeofdecision=“typeofdecision”；
私有静态最终字符串标记_declareonamt=“declareonamt”；
私有静态最终字符串标记_declareondate=“declareondate”；
私有静态最终字符串标记_AGREEDOVERTIMERATE=“AGREEDOVERTIMERATE”；
私有静态最终字符串标记_OVERTIMERATE=“OVERTIMERATE”；
私有静态最终字符串标记\u startofavertimeperiod=“startofavertimeperiod”；
私有静态最终字符串标记_endofVertimePeriod=“endofVertimePeriod”；
私有静态最终字符串标记\u BASICSALARY=“BASICSALARY”；
私有静态最终字符串标记_EXTRAPAYMENT=“EXTRAPAYMENT”；
私有静态最终字符串TAG_EMPLOYEE=“EMPLOYEE”；
私有静态最终字符串TAG_SALARY=“pay”；
私有静态最终字符串标记_DESCRIPTION=“DESCRIPTION”；
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.EmployeePaysslip）；
payslipList=newarraylist（）；
//在后台线程中加载所有全职员工
//从intent获取员工详细信息
Intent i=getIntent（）；
//从intent获取员工id（pid）
pid=i.getStringExtra（标签\ pid）；
新建GetEmployeeDetails（）.execute（）；
}
类GetEmployeeDetails扩展了AsyncTask{
/**
*在启动后台线程显示进度对话框之前
* */
@凌驾
受保护的void onPreExecute（）{
super.onPreExecute（）；
pDialog=新建进度对话框（employeepaysslip.this）；
pDialog.setMessage（“正在加载员工详细信息。请稍候…”）；
pDialog.setUndeterminate（假）；
pDialog.setCancelable（真）；
pDialog.show（）；
}
/**
*在后台线程中获取员工详细信息
* */
受保护的字符串doInBackground（字符串…参数）{
//从后台线程更新UI
//检查成功标签
成功；
试一试{
//建筑参数
List params1=new ArrayList（）；
参数1.add（新的BasicNameValuePair（“pid”，pid））；
//通过发出HTTP请求获取员工详细信息
//请注意，员工详细信息url将使用GET请求
JSONObject json=jParser.makeHttpRequest(
url_员工，“获取”，参数1）；
//检查日志中的json响应
Log.d（“员工详细信息”，json.toString（））；
//json成功标记
success=json.getInt（TAG_success）；
如果（成功==1）{
//已成功接收员工详细信息
JSONArray employeeObj=json
.getJSONArray（TAG_EMPLOYEE）；//JSON数组
//从JSON数组中获取第一个employee对象
JSONObject employee=employeeObj.getJSONObject（0）；
//找到具有此pid的员工
//编辑文本
employeeName=（TextView）findViewById（R.id.employeeName）；
Desc=（TextView）findViewById（R.id.departmenttext）；
//在EditText中显示员工数据
employeeName.setText（employee.getString（TAG_NAME））；
Desc.setText（employee.getString（TAG_Desc
package com.example.splashscreentwo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageButton;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
public class AllFTemployeesActivity extends ListActivity
{
LayoutInflater inflater; // Progress Dialog
private ProgressDialog pDialog;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
ArrayList<HashMap<String, String>> employeesList;
// url to get all fulltime employees list
private static String url_employees = "http://rollit.sg/FYP/Existing_employees_FullTime.php";
// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_EMPLOYEE = "employee";
private static final String TAG_PID = "pid";
private static final String TAG_NAME = "name";
private static final String TAG_DESCRIPTION = "description";
// products JSONArray
JSONArray employee = null; private ListView listview;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.all_ft_employees);
ImageButton ButtonPT = (ImageButton) findViewById(R.id.btnpt);
ImageButton BtnAddEmployee = (ImageButton) findViewById(R.id.addEmployeeBtn);
BtnAddEmployee.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// Launching emplopyee regstration Activity
Intent i = new Intent(getApplicationContext(), RegisterEmployeeActivity.class);
startActivity(i);
finish();
}
});
ButtonPT.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// Launching All fulltime employees Activity
Intent i = new Intent(getApplicationContext(), AllPTemployeesActivity.class);
startActivity(i);
finish();
}
});
// Hashmap for ListView
employeesList = new ArrayList<HashMap<String, String>>();
// Loading all fulltime employees in Background Thread
new LoadAllEmployee().execute();
// Get listview
ListView lv = getListView();
lv.setTextFilterEnabled(true);
//inflater = (LayoutInflater)this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// View header = inflater.inflate(R.layout.planets_heade_view, null);
// lv.addHeaderView(header);
// on seleting single fulltime employee
// launching Edit single fulltime employee Screen
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String pid = ((TextView) view.findViewById(R.id.pid)).getText()
.toString();
// Starting new intent
Intent in = new Intent(getApplicationContext(),
EmployeePayslip.class);
// sending pid to next activity
in.putExtra(TAG_PID, pid);
// starting new activity and expecting some response back
startActivityForResult(in, 100);
}
});
} // Response from Edit single fulltime employee Activity
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// if result code 100
if (resultCode == 100) {
// if result code 100 is received
// means user edited/deleted employee
// reload this screen again
Intent intent = getIntent();
finish();
startActivity(intent);
}
}
/**
* Background Async Task to Load all fulltime employees by making HTTP Request
* */
class LoadAllEmployee extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
// protected void onPreExecute() {
// super.onPreExecute();
// pDialog = new ProgressDialog(AllProductsActivity.this);
// pDialog.setMessage("Loading products. Please wait...");
// pDialog.setIndeterminate(false);
// pDialog.setCancelable(false);
// pDialog.show(); // } //
/**
* getting All fulltime employees from url
* */
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_employees, "GET", params);
// Check your log cat for JSON reponse
Log.d("All Products: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// fulltime employees found
// Getting Array of fulltime employees
employee = json.getJSONArray(TAG_EMPLOYEE);
// looping through All fulltime employees
for (int i = 0; i < employee.length(); i++) {
JSONObject c = employee.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_PID);
String name = c.getString(TAG_NAME);
String description= c.getString(TAG_DESCRIPTION);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_PID, id);
map.put(TAG_NAME, name);
map.put(TAG_DESCRIPTION, description);
// adding HashList to ArrayList
employeesList.add(map);
}
} else {
// no fulltime employee found
// Launch Add New employee Activity
// Intent i = new Intent(getApplicationContext(),
// NewProductActivity.class);
// Closing all previous activities
// i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
// startActivity(i);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
// pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(
AllFTemployeesActivity.this, employeesList,
R.layout.list_item_ft, new String[] { TAG_PID,
TAG_NAME,TAG_DESCRIPTION},
new int[] { R.id.pid, R.id.name, R.id.description});
// updating listview
setListAdapter(adapter);
}
});
}
} }
E/AndroidRuntime(2421): FATAL EXCEPTION: AsyncTask #4
E/AndroidRuntime(2421): java.lang.RuntimeException: An error occured while executing doInBackground()
E/AndroidRuntime(2421): at android.os.AsyncTask$3.done(AsyncTask.java:299)
E/AndroidRuntime(2421): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
E/AndroidRuntime(2421): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
E/AndroidRuntime(2421): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
E/AndroidRuntime(2421): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
E/AndroidRuntime(2421): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
E/AndroidRuntime(2421): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
E/AndroidRuntime(2421): at java.lang.Thread.run(Thread.java:841)
E/AndroidRuntime(2421): Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
E/AndroidRuntime(2421): at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6833)
E/AndroidRuntime(2421): at android.view.ViewRootImpl.requestLayout(ViewRootImpl.java:1082)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.widget.ScrollView.requestLayout(ScrollView.java:2120)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.widget.TableLayout.requestLayout(TableLayout.java:230)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.view.View.requestLayout(View.java:16775)
E/AndroidRuntime(2421): at android.widget.TextView.checkForRelayout(TextView.java:7660)
E/AndroidRuntime(2421): at android.widget.TextView.setText(TextView.java:4446)
E/AndroidRuntime(2421): at android.widget.TextView.setText(TextView.java:4283)
E/AndroidRuntime(2421): at android.widget.TextView.setText(TextView.java:4258)
E/AndroidRuntime(2421): at com.example.splashscreentwo.EmployeePayslip$GetEmployeeDetails.doInBackground(EmployeePayslip.java:153)
E/AndroidRuntime(2421): at com.example.splashscreentwo.EmployeePayslip$GetEmployeeDetails.doInBackground(EmployeePayslip.java:1)
E/AndroidRuntime(2421): at android.os.AsyncTask$2.call(AsyncTask.java:287)
E/AndroidRuntime(2421): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
E/AndroidRuntime(2421): ... 4 more
D/AbsListView(2421): onVisibilityChanged() is called, visibility : 0
D/AbsListView(2421): unregisterIRListener() is called
D/AbsListView(2421): unregisterIRListener() is called
E/WindowManager(2421): Activity com.example.splashscreentwo.EmployeePayslip has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{42e528b0 V.E..... R.....ID 0,0-640,230} that was originally added here
E/WindowManager(2421): android.view.WindowLeaked: Activity com.example.splashscreentwo.EmployeePayslip has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{42e528b0 V.E..... R.....ID 0,0-640,230} that was originally added here
E/WindowManager(2421): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:454)
E/WindowManager(2421): at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:258)
E/WindowManager(2421): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:73)
E/WindowManager(2421): at android.app.Dialog.show(Dialog.java:287)
E/WindowManager(2421): at com.example.splashscreentwo.EmployeePayslip$GetEmployeeDetails.onPreExecute(EmployeePayslip.java:111)
E/WindowManager(2421): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
E/WindowManager(2421): at android.os.AsyncTask.execute(AsyncTask.java:534)
E/WindowManager(2421): at com.example.splashscreentwo.EmployeePayslip.onCreate(EmployeePayslip.java:93)
E/WindowManager(2421): at android.app.Activity.performCreate(Activity.java:5372)
E/WindowManager(2421): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
E/WindowManager(2421): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
E/WindowManager(2421): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2362)
E/WindowManager(2421): at android.app.ActivityThread.access$700(ActivityThread.java:168)
E/WindowManager(2421): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1329)
E/WindowManager(2421): at android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(2421): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(2421): at android.app.ActivityThread.main(ActivityThread.java:5493)
E/WindowManager(2421): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(2421): at java.lang.reflect.Method.invoke(Method.java:525)
E/WindowManager(2421): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
E/WindowManager(2421): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
E/WindowManager(2421): at dalvik.system.NativeStart.main(Native Method)
// Loading all fulltime employees in Background Thread
// getting employee details from intent
Intent i = getIntent();
// getting employee id (pid) from intent
pid = i.getStringExtra(TAG_PID);
Bundle extras = getIntent().getExtras();
if (extras != null)
{
pid = extras.getString(TAG_PID);
}
private static final String TAG_EMPLOYEE = "employee";