Parent communication register android application coding

1. AddFaculty.java
package com.gpslocation.attendanceandmarkssystem;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class Addfaculty extends Activity {
EditText fname, fmobile, femail,fdepart, fusername, fpassword;
Button fadd;
String nameString, mobileString, mailString, departString,
usernameString, passwordString;
ProgressDialog progressDialog;
JSONParser parser = new JSONParser();
public String addUrl =
"http://www.wikihands.com/attendanceandmarks/facultyregister.php";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_addfaculty);
fname = (EditText) findViewById(R.id.facultyname);
fmobile = (EditText) findViewById(R.id.facultymobile);
femail = (EditText) findViewById(R.id.facultymail);
fdepart= (EditText) findViewById(R.id.facultydepart);
fusername = (EditText) findViewById(R.id.ftusername);
fpassword = (EditText) findViewById(R.id.ftpassword);
fadd = (Button) findViewById(R.id.addfaculty);
fadd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {

2. nameString=fname.getText().toString();
mobileString=fmobile.getText().toString();
mailString=femail.getText().toString();
departString=fdepart.getText().toString();
usernameString=fusername.getText().toString();
passwordString=fpassword.getText().toString();
new facultyadding().execute();
}
});
}
public class facultyadding extends AsyncTask<String, String,
String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
progressDialog = new ProgressDialog(Addfaculty.this);
progressDialog.setMessage("Please wait......");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protected String doInBackground(String... params) {
try {
List<NameValuePair> args = new ArrayList<>();
args.add(new BasicNameValuePair("name",nameString));
args.add(new
BasicNameValuePair("phone",mobileString));
args.add(new BasicNameValuePair("mail",mailString));
args.add(new
BasicNameValuePair("department",departString));
args.add(new
BasicNameValuePair("username",usernameString));
args.add(new
BasicNameValuePair("password",passwordString));
JSONObject jsonObject = parser.makeHttpRequest(addUrl,
"POST", args);
} catch (Exception e) {
}
return null;
}
@Override

3. protected void onPostExecute(String s) {
super.onPostExecute(s);
progressDialog.dismiss();
Intent in = new Intent(Addfaculty.this,
FacultyList.class);
startActivity(in);
}
}
}
AddStudents.java
package com.gpslocation.attendanceandmarkssystem;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class Addstudent extends Activity {
EditText srollnumber,sname,smobile,semail,spassword;
Button sadd;
String
rollString,nameString,mobileString,mailString,passwordString;
ProgressDialog progressDialog;
JSONParser parser = new JSONParser();
public String addUrl =
"http://www.wikihands.com/attendanceandmarks/studentregister.php";
@Override
protected void onCreate(Bundle savedInstanceState) {

4. super.onCreate(savedInstanceState);
setContentView(R.layout.activity_addstudent);
srollnumber= (EditText) findViewById(R.id.studentrollno);
sname= (EditText) findViewById(R.id.studentname);
smobile= (EditText) findViewById(R.id.studentmobile);
semail= (EditText) findViewById(R.id.studentmail);
spassword= (EditText) findViewById(R.id.stpassword);
sadd= (Button) findViewById(R.id.submit);
sadd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
rollString=srollnumber.getText().toString();
nameString=sname.getText().toString();
mobileString=smobile.getText().toString();
mailString=semail.getText().toString();
passwordString=spassword.getText().toString();
new studentadding().execute();
}
});
}
public class studentadding extends AsyncTask<String,String,String>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
progressDialog = new ProgressDialog(Addstudent.this);
progressDialog.setMessage("Please wait......");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protected String doInBackground(String... params) {
try {
List<NameValuePair> args = new ArrayList<>();
args.add(new BasicNameValuePair("rollno",rollString));
args.add(new BasicNameValuePair("name",nameString));
args.add(new
BasicNameValuePair("phone",mobileString));
args.add(new BasicNameValuePair("mail",mailString));
args.add(new
BasicNameValuePair("password",passwordString));
JSONObject jsonObject = parser.makeHttpRequest(addUrl,
"POST", args);

5. } catch (Exception e) {
}
return null;
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
progressDialog.dismiss();
Intent in=new Intent(Addstudent.this,StudentList.class);
startActivity(in);
}
}
}
AdminHomeActivity.java
package com.gpslocation.attendanceandmarkssystem;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
public class AdminHomeActivity extends Activity implements
View.OnClickListener{
Button facultyButton,studentButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_admin_home);
facultyButton= (Button) findViewById(R.id.faulty);
studentButton= (Button) findViewById(R.id.student);
facultyButton.setOnClickListener(this);
studentButton.setOnClickListener(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {

6. // Inflate the menu; this adds items to the action bar if it
is present.
getMenuInflater().inflate(R.menu.menu_admin_home, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onClick(View v) {
int id=v.getId();
if(id==R.id.faulty)
{
Intent fa=new
Intent(AdminHomeActivity.this,FacultyList.class);
startActivity(fa);
}
else if(id==R.id.student)
{
Intent st=new
Intent(AdminHomeActivity.this,StudentList.class);
startActivity(st);
}
}
}
AdminLoin.java
package com.gpslocation.attendanceandmarkssystem;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

7. import android.widget.EditText;
import android.widget.Toast;
public class Adminlogin extends Activity {
EditText usernameEdit,passwordEdit;
Button adminloginButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_adminlogin);
usernameEdit= (EditText) findViewById(R.id.adminusername);
passwordEdit= (EditText) findViewById(R.id.adminpassword);
adminloginButton= (Button) findViewById(R.id.adminlogin);
adminloginButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
if(usernameEdit.getText().toString().equals("admin")&&passwordEdit.get
Text().toString().equals("admin")) {
Intent in = new Intent(Adminlogin.this,
AdminHomeActivity.class);
startActivity(in);
}
else
{
Toast.makeText(Adminlogin.this,"Invalid username
or password",Toast.LENGTH_LONG).show();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it
is present.
getMenuInflater().inflate(R.menu.menu_adminlogin, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();

8. //noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
Attendanceviewing.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.BaseAdapter;
importandroid.widget.ListView;
importandroid.widget.TextView;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;

9. publicclassAttendanceviewingextendsActivity{
ListViewvaList;
ProgressDialogprogressDialog;
JSONParserparser=newJSONParser();
JSONArrayresponse;
publicStringstudentlistUrl="http://www.wikihands.com/attendanceandmarks/getattendance.php";
StringgetRoll;
ArrayList<String>statusArray=newArrayList<>();
ArrayList<String>dateArray=newArrayList<>();
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_attendanceviewing);
vaList=(ListView) findViewById(R.id.viewattendance);
}
@Override
protectedvoidonResume() {
super.onResume();
getRoll=getIntent().getStringExtra("ROLLNO");
statusArray.clear();

10. dateArray.clear();
newattendancelist().execute();
}
publicclassattendancelistextendsAsyncTask<String,String,String>
{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=newProgressDialog(Attendanceviewing.this);
progressDialog.setMessage("Pleasewait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
args.add(newBasicNameValuePair("rollno",getRoll));
JSONObjectobject=parser.makeHttpRequest(studentlistUrl,"POST",args);
response =object.getJSONArray("attendancedetails");
for(inti=0;i<response.length();i++)
{
JSONObjectc=response.getJSONObject(i);

11. Stringstatus=c.getString("status");
Stringdate=c.getString("date");
statusArray.add(status);
dateArray.add(date);
}
}catch (Exceptione)
{
}
return null;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
vaList.setAdapter(new attendanceadapter());
progressDialog.dismiss();
}
}
publicclassattendanceadapterextendsBaseAdapter
{
@Override
publicintgetCount(){
returnstatusArray.size();
}

12. @Override
publicObjectgetItem(intposition) {
returnnull;
}
@Override
publiclonggetItemId(intposition) {
return0;
}
@Override
publicView getView(intposition,View convertView,ViewGroupparent) {
convertView=getLayoutInflater().inflate(R.layout.attendancelist,null);
TextViewstatus=(TextView)convertView.findViewById(R.id.status);
TextViewdatetime=(TextView) convertView.findViewById(R.id.date);
status.setText(statusArray.get(position).toString());
datetime.setText(dateArray.get(position).toString());
returnconvertView;
}
}
}
EditStudentActivity.java
package com.gpslocation.attendanceandmarkssystem;

13. importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.widget.Button;
importandroid.widget.EditText;
importandroid.widget.Toast;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;
publicclassEditStudentActivityextendsActivity{
EditTextnameEdit,mobileEdit,emailEdit;
Button updateButton;
ProgressDialogprogressDialog;
publicstaticString
update_Url="http://www.wikihands.com/attendanceandmarks/updatestudent.php";
JSONParserparser=newJSONParser();
JSONArrayresponse;
StringnameString,mobileString,emailString;

14. @Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_edit_student);
progressDialog=newProgressDialog(EditStudentActivity.this);
nameEdit=(EditText) findViewById(R.id.sname);
mobileEdit=(EditText) findViewById(R.id.smobile);
emailEdit=(EditText) findViewById(R.id.semail);
updateButton=(Button) findViewById(R.id.update);
nameEdit.setText(getIntent().getStringExtra("name"));
mobileEdit.setText(getIntent().getStringExtra("mobile"));
emailEdit.setText(getIntent().getStringExtra("email"));
updateButton.setOnClickListener(new View.OnClickListener() {
@Override
publicvoidonClick(Viewv) {
nameString= nameEdit.getText().toString();
mobileString=mobileEdit.getText().toString();
emailString=emailEdit.getText().toString();
if (nameString.length() >0 && mobileString.length() >0 && emailString.length() >0) {
newUpdatestudent().execute();
} else {
Toast.makeText(EditStudentActivity.this,"Make sure fillall the details",
Toast.LENGTH_LONG).show();

15. }
}
});
}
publicclassUpdatestudentextendsAsyncTask<String,String,String>
{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog.setMessage("Please wait....");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
args.add(newBasicNameValuePair("rollno",getIntent().getStringExtra("rollno")));
args.add(newBasicNameValuePair("name",nameString));
args.add(newBasicNameValuePair("mobile",mobileString));
args.add(newBasicNameValuePair("email",emailString));
JSONObjectobject=parser.makeHttpRequest(update_Url,"POST",args);
//response = object.getJSONArray("");
}catch (Exceptione)

16. {
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
progressDialog.dismiss();
Toast.makeText(EditStudentActivity.this,"Updatedsuccessfully",Toast.LENGTH_LONG).show();
}
}
}
FacultyHome.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.content.Intent;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.Button;
publicclassFacultyHome extendsActivityimplementsView.OnClickListener{
Button takeButton,viewButton,marksButton;

17. @Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_faculty_home);
takeButton=(Button) findViewById(R.id.takeattendance);
viewButton=(Button) findViewById(R.id.viewattendance);
marksButton=(Button) findViewById(R.id.viewmarks);
takeButton.setOnClickListener(this);
viewButton.setOnClickListener(this);
marksButton.setOnClickListener(this);
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_faculty_home,menu);
returntrue;
}
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.

18. intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
@Override
publicvoidonClick(View v) {
intid=v.getId();
if(id==R.id.takeattendance)
{
Intentin=newIntent(FacultyHome.this,Takeattendance.class);
startActivity(in);
}
else if(id==R.id.viewattendance)
{
Intentin=newIntent(FacultyHome.this,Viewattendance.class);
startActivity(in);
}
else if (id==R.id.viewmarks)
{
Intentin=newIntent(FacultyHome.this,ViewMarks.class);
startActivity(in);
}

19. }
}
FacultyList.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.content.Intent;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.AdapterView;
importandroid.widget.ArrayAdapter;
importandroid.widget.Button;
importandroid.widget.ListView;
importorg.apache.http.NameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;
publicclassFacultyListextendsActivity{
Button addfacultyButton;

20. ListViewfacultylistView;
ProgressDialogprogressDialog;
JSONParserparser= newJSONParser();
JSONArrayresponse;
publicStringfacultylistUrl ="http://www.wikihands.com/attendanceandmarks/facultylist.php";
ArrayList<String>facultynameArray=new ArrayList<>();
ArrayList<String>facultymobileArray=new ArrayList<>();
ArrayList<String>facultymailArray=new ArrayList<>();
ArrayList<String>facultydepartArray=new ArrayList<>();
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_faculty_list);
addfacultyButton=(Button) findViewById(R.id.addfaculty);
facultylistView=(ListView) findViewById(R.id.faultylist);
addfacultyButton.setOnClickListener(new View.OnClickListener() {
@Override
publicvoidonClick(Viewv) {
Intentin= newIntent(FacultyList.this,Addfaculty.class);
startActivity(in);
}
});

21. facultylistView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
publicvoidonItemClick(AdapterView<?>parent,View view,intposition,longid) {
Intentin= newIntent(FacultyList.this,Viewdetails.class);
in.putExtra("fname",facultynameArray.get(position).toString());
in.putExtra("fmobile",facultymobileArray.get(position).toString());
in.putExtra("fmail",facultymailArray.get(position).toString());
in.putExtra("fdepart",facultydepartArray.get(position).toString());
startActivity(in);
}
});
}
@Override
protectedvoidonResume() {
super.onResume();
facultynameArray.clear();
facultymobileArray.clear();
facultymailArray.clear();
facultydepartArray.clear();
newviewfacultylist().execute();
}
publicclassviewfacultylistextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {

22. super.onPreExecute();
progressDialog=newProgressDialog(FacultyList.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
JSONObjectobject=parser.makeHttpRequest(facultylistUrl,"GET",args);
response =object.getJSONArray("facultylist");
for (inti = 0; i < response.length();i++) {
JSONObjectc= response.getJSONObject(i);
Stringfname = c.getString("name");
Stringfmobile =c.getString("phone");
Stringfmail = c.getString("mail");
Stringfdepart=c.getString("department");
facultynameArray.add(fname);
facultymobileArray.add(fmobile);
facultymailArray.add(fmail);
facultydepartArray.add(fdepart);
}

23. } catch (Exceptione) {
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
ArrayAdapter<String>fadapter=new ArrayAdapter<String>(FacultyList.this,
android.R.layout.simple_list_item_1,facultynameArray);
facultylistView.setAdapter(fadapter);
progressDialog.dismiss();
}
}
}
FacultyLogin.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.content.Intent;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;

24. importandroid.widget.Button;
importandroid.widget.EditText;
importandroid.widget.Toast;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;
publicclassFacultyLoginextendsActivity{
EditTextftusername,ftpassword;
Button ftlogin;
StringuserString,passString;
ProgressDialogprogressDialog;
JSONParserparser=newJSONParser();
JSONArrayresponse;
publicStringfloginUrl="http://www.wikihands.com/attendanceandmarks/facultylogin.php";
StringresUser,resPass;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {

25. super.onCreate(savedInstanceState);
setContentView(R.layout.activity_faculty_login);
ftusername=(EditText)findViewById(R.id.facultyusername);
ftpassword=(EditText) findViewById(R.id.facultypassword);
ftlogin=(Button) findViewById(R.id.facultylogin);
ftlogin.setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv) {
userString=ftusername.getText().toString();
passString=ftpassword.getText().toString();
newfacultylogin().execute();
}
});
}
publicclassfacultyloginextendsAsyncTask<String,String,String>
{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=newProgressDialog(FacultyLogin.this);
progressDialog.setMessage("Pleasewait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();

26. }
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
args.add(newBasicNameValuePair("username",userString));
JSONObjectobject=parser.makeHttpRequest(floginUrl,"POST",args);
response=object.getJSONArray("facultylogin");
for(inti=0;i<response.length();i++)
{
JSONObjectc=response.getJSONObject(i);
resUser=c.getString("username");
resPass=c.getString("password");
}
}catch (Exceptione)
{
}
return null;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);

27. if(userString.equals(resUser)&&passString.equals(resPass))
{
Intentin=newIntent(FacultyLogin.this,FacultyHome.class);
startActivity(in);
}
else
{
Toast.makeText(FacultyLogin.this,"InvalidUsername or
Password",Toast.LENGTH_LONG).show();
}
progressDialog.dismiss();
}
}
}
HomeActivity.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.content.Intent;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.Button;
publicclassHomeActivityextendsActivityimplements View.OnClickListener{

28. Button adminButton,facultyButton,parentButton;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
adminButton=(Button) findViewById(R.id.admin);
facultyButton=(Button) findViewById(R.id.faulty);
parentButton=(Button) findViewById(R.id.parent);
adminButton.setOnClickListener(this);
facultyButton.setOnClickListener(this);
parentButton.setOnClickListener(this);
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_home, menu);
returntrue;
}
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();

29. //noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
@Override
publicvoidonClick(View v) {
intid=v.getId();
if(id==R.id.admin)
{
Intentadm=newIntent(HomeActivity.this,Adminlogin.class);
startActivity(adm);
}
else if(id==R.id.faulty)
{
Intentft=newIntent(HomeActivity.this,FacultyLogin.class);
startActivity(ft);
}
else if(id==R.id.parent)
{
Intentpt=newIntent(HomeActivity.this,ParentLogin.class);
startActivity(pt);
}
}
}

30. JSONParser.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.util.Log;
importorg.apache.http.HttpEntity;
importorg.apache.http.HttpResponse;
importorg.apache.http.NameValuePair;
importorg.apache.http.client.ClientProtocolException;
importorg.apache.http.client.entity.UrlEncodedFormEntity;
importorg.apache.http.client.methods.HttpGet;
importorg.apache.http.client.methods.HttpPost;
importorg.apache.http.client.methods.HttpPut;
importorg.apache.http.client.utils.URLEncodedUtils;
importorg.apache.http.impl.client.DefaultHttpClient;
importorg.json.JSONException;
importorg.json.JSONObject;
importjava.io.BufferedReader;
importjava.io.IOException;
importjava.io.InputStream;
importjava.io.InputStreamReader;
importjava.io.UnsupportedEncodingException;
importjava.util.List;
publicclassJSONParser{
staticInputStreamis= null;
staticJSONObjectjObj =null;

31. staticString json= "";
// constructor
publicJSONParser() {
}
// functiongetjsonfromurl
// bymakingHTTP POST or GET mehtod
publicJSONObjectmakeHttpRequest(Stringurl,Stringmethod,
List<NameValuePair>params)
{
// MakingHTTP request
try {
// checkfor requestmethod
if(method=="POST"){
// requestmethodisPOST
// defaultHttpClient
DefaultHttpClienthttpClient=new DefaultHttpClient();
HttpPosthttpPost= new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(params));
HttpResponse httpResponse =httpClient.execute(httpPost);
HttpEntityhttpEntity= httpResponse.getEntity();
is= httpEntity.getContent();
}else if(method=="GET"){

32. // requestmethodisGET
DefaultHttpClienthttpClient=new DefaultHttpClient();
StringparamString= URLEncodedUtils.format(params,"utf-8");
url += "?" + paramString;
HttpGethttpGet = new HttpGet(url);
HttpResponse httpResponse =httpClient.execute(httpGet);
HttpEntityhttpEntity= httpResponse.getEntity();
is= httpEntity.getContent();
}
else if(method=="PUT")
{
DefaultHttpClienthttpClient=new DefaultHttpClient();
StringparamString= URLEncodedUtils.format(params,"utf-8");
url += "?" + paramString;
HttpPuthttpGet= new HttpPut(url);
HttpResponse httpResponse =httpClient.execute(httpGet);
HttpEntityhttpEntity= httpResponse.getEntity();
is= httpEntity.getContent();
}
} catch (UnsupportedEncodingExceptione) {
e.printStackTrace();
} catch (ClientProtocolExceptione) {
e.printStackTrace();
} catch (IOExceptione) {
e.printStackTrace();

33. }
try {
BufferedReaderreader=new BufferedReader(new InputStreamReader(
is,"iso-8859-1"),8);
StringBuildersb= new StringBuilder();
Stringline = null;
while ((line =reader.readLine()) !=null) {
sb.append(line +"n");
}
is.close();
json= sb.toString();
} catch (Exceptione) {
Log.e("BufferError","Error convertingresult"+ e.toString());
}
// try parse the stringto a JSON object
try {
jObj = newJSONObject(json);
} catch (JSONExceptione) {
Log.e("JSON Parser","Errorparsingdata" + e.toString());
}
// returnJSON String
returnjObj;
}
}
ParentHomeScreen.java

34. package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.content.Intent;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.Button;
publicclassParentHomeScreenextendsActivityimplementsView.OnClickListener{
Button pviewattendanceButton,pmarksButton;
StringgetRoll;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_parent_home_screen);
pviewattendanceButton=(Button) findViewById(R.id.pviewattendance);
pmarksButton=(Button) findViewById(R.id.pviewmarks);
pviewattendanceButton.setOnClickListener(this);
pmarksButton.setOnClickListener(this);
}

35. @Override
protectedvoidonResume() {
super.onResume();
getRoll =getIntent().getStringExtra("rollno");
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_parent_home_screen,menu);
returntrue;
}
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
@Override

36. publicvoidonClick(View v) {
intid= v.getId();
if (id== R.id.pviewattendance) {
Intentin= newIntent(ParentHomeScreen.this,Attendanceviewing.class);
in.putExtra("ROLLNO",getRoll);
startActivity(in);
} else if (id== R.id.pviewmarks){
Intentin= newIntent(ParentHomeScreen.this,ViewMarks.class);
startActivity(in);
}
}
}
ParentLogin.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.content.Intent;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.Button;
importandroid.widget.EditText;
publicclassParentLoginextends Activity{

37. EditTextprollEdit;
Button psubmitButton;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_parent_login);
prollEdit=(EditText) findViewById(R.id.prollno);
psubmitButton=(Button) findViewById(R.id.psubmit);
psubmitButton.setOnClickListener(new View.OnClickListener() {
@Override
publicvoidonClick(Viewv) {
StringrollString=prollEdit.getText().toString();
Intentin=newIntent(ParentLogin.this,ParentHomeScreen.class);
in.putExtra("rollno",rollString);
startActivity(in);
}
});
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_parent_login,menu);
returntrue;
}

38. @Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
}
SplashScreen.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.content.Intent;
importandroid.os.Bundle;
importandroid.app.Activity;
publicclassSplashScreenextendsActivity{
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash_screen);

39. Threadbackground= newThread() {
publicvoidrun()
{
try
{
sleep(5*1000);
Intentin=newIntent(SplashScreen.this,HomeActivity.class);
startActivity(in);
finish();
}catch (Exceptione)
{
}
}
};
background.start();
}
}
Studentdetails.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.content.Intent;

40. importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.Button;
importandroid.widget.TextView;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importorg.w3c.dom.Text;
importjava.util.ArrayList;
importjava.util.List;
publicclassStudentdetailsextendsActivityimplementsView.OnClickListener{
TextView sdetails;
Button editButton, deleteButton;
ProgressDialogprogressDialog;
publicstaticStringdelete_Url =
"http://www.wikihands.com/attendanceandmarks/deletestudent.php";
JSONParserparser= newJSONParser();
JSONArrayresponse;

41. @Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_studentdetails);
progressDialog=newProgressDialog(Studentdetails.this);
sdetails=(TextView) findViewById(R.id.studentdetails);
editButton=(Button) findViewById(R.id.edit);
deleteButton=(Button) findViewById(R.id.delete);
Stringgetroll =getIntent().getStringExtra("rollno");
Stringgetname =getIntent().getStringExtra("name");
Stringgetmobile=getIntent().getStringExtra("mobile");
Stringgetmail =getIntent().getStringExtra("mail");
editButton.setOnClickListener(this);
deleteButton.setOnClickListener(this);
sdetails.setText("Roll no:"+ getroll +"nName:" + getname + "nMobile:"+ getmobile +"nE-mail:
" + getmail);
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_studentdetails,menu);
returntrue;

42. }
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
@Override
publicvoidonClick(View v) {
intid= v.getId();
if (id== R.id.edit) {
Intentintent=newIntent(Studentdetails.this,EditStudentActivity.class);
intent.putExtra("rollno",getIntent().getStringExtra("rollno"));
intent.putExtra("name",getIntent().getStringExtra("name"));
intent.putExtra("mobile",getIntent().getStringExtra("mobile"));
intent.putExtra("email",getIntent().getStringExtra("mail"));

43. startActivity(intent);
} else if (id== R.id.delete) {
newDeletestudent().execute();
}
}
publicclassDeletestudentextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog.setMessage("Please wait....");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
args.add(newBasicNameValuePair("rollno",getIntent().getStringExtra("rollno")));
JSONObjectobject=parser.makeHttpRequest(delete_Url,"POST",args);
// response =object.getJSONArray("");
} catch (Exceptione) {
}
returnnull;
}

44. @Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
progressDialog.dismiss();
Intentin= newIntent(Studentdetails.this,StudentList.class);
startActivity(in);
}
}
}
StudentList.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.content.Intent;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.AdapterView;
importandroid.widget.ArrayAdapter;
importandroid.widget.Button;
importandroid.widget.ListView;
importorg.apache.http.NameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;

45. importjava.util.ArrayList;
importjava.util.List;
publicclassStudentListextendsActivity{
Button addstudentButton;
ListViewstudentlistView;
ProgressDialogprogressDialog;
JSONParserparser=newJSONParser();
JSONArrayresponse;
publicStringstudentlistUrl="http://www.wikihands.com/attendanceandmarks/studentlist.php";
ArrayList<String>studentrollArray=new ArrayList<>();
ArrayList<String>studentnameArray=new ArrayList<>();
ArrayList<String>studentmobileArray=new ArrayList<>();
ArrayList<String>studentmailArray=new ArrayList<>();
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_student_list);
addstudentButton=(Button) findViewById(R.id.addstudent);
studentlistView=(ListView) findViewById(R.id.studentlist);
addstudentButton.setOnClickListener(newView.OnClickListener() {

46. @Override
publicvoidonClick(Viewv) {
Intentin=newIntent(StudentList.this,Addstudent.class);
startActivity(in);
}
});
studentlistView.setOnItemClickListener(newAdapterView.OnItemClickListener() {
@Override
publicvoidonItemClick(AdapterView<?>parent,View view,intposition,longid) {
Intentin=newIntent(StudentList.this,Studentdetails.class);
in.putExtra("rollno",studentrollArray.get(position).toString());
in.putExtra("name",studentnameArray.get(position).toString());
in.putExtra("mobile",studentmobileArray.get(position).toString());
in.putExtra("mail",studentmailArray.get(position).toString());
startActivity(in);
}
});
}
@Override
protectedvoidonResume() {
super.onResume();
studentnameArray.clear();
newviewstudentlist().execute();

47. }
publicclassviewstudentlistextendsAsyncTask<String,String,String>
{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=new ProgressDialog(StudentList.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
JSONObjectobject=parser.makeHttpRequest(studentlistUrl,"GET",args);
response =object.getJSONArray("studentlist");
for(inti=0;i<response.length();i++)
{
JSONObjectc=response.getJSONObject(i);
Stringsroll=c.getString("rollno");
Stringsname=c.getString("name");
Stringsmobile=c.getString("phone");
Stringsmail=c.getString("mail");

48. studentrollArray.add(sroll);
studentnameArray.add(sname);
studentmobileArray.add(smobile);
studentmailArray.add(smail);
}
}catch (Exceptione)
{
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
ArrayAdapter<String>sadapter=new
ArrayAdapter<String>(StudentList.this,android.R.layout.simple_list_item_1,studentnameArray);
studentlistView.setAdapter(sadapter);
progressDialog.dismiss();
}
}
}
Takeattendance.java
package com.gpslocation.attendanceandmarkssystem;

49. importandroid.app.Activity;
importandroid.app.Dialog;
importandroid.app.ProgressDialog;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.telephony.SmsManager;
importandroid.util.Log;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.AdapterView;
importandroid.widget.ArrayAdapter;
importandroid.widget.BaseAdapter;
importandroid.widget.Button;
importandroid.widget.CheckBox;
importandroid.widget.CompoundButton;
importandroid.widget.EditText;
importandroid.widget.ListView;
importandroid.widget.Spinner;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;

50. publicclassTakeattendance extendsActivity{
ListViewtakeList;
Button submitButton;
ProgressDialogprogressDialog;
JSONParserparser= newJSONParser();
JSONArrayresponse;
publicStringstudentattendanceUrl =
"http://www.wikihands.com/attendanceandmarks/attendance.php";
publicStringstudentlistUrl ="http://www.wikihands.com/attendanceandmarks/studentlist.php";
ArrayList<String>checkedList=newArrayList<>();
ArrayList<String>uncheckedList=new ArrayList<>();
ArrayList<String>checkmobileList=new ArrayList<>();
ArrayList<String>uncheckmobileList=new ArrayList<>();
ArrayList<String>studentlistArray=new ArrayList<>();
ArrayList<String>studentmobileArray=new ArrayList<>();
Stringmessage;
String[] timeArray={"SelectTime","07:10AM","07:15AM","08:15AM","08:45AM","09:15AM",
"9:30AM", "10:00AM", "11:00AM","11:30AM",
"12:00PM","12:30PM", "02:00PM", "02:30PM","03:30PM","04:00PM"};
StringtimeString;

51. @Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_takeattendance);
submitButton=(Button) findViewById(R.id.submitattendance);
takeList= (ListView)findViewById(R.id.stlist);
submitButton.setOnClickListener(new View.OnClickListener() {
@Override
publicvoidonClick(Viewv) {
final Dialogd= newDialog(Takeattendance.this);
d.setContentView(R.layout.take);
d.setTitle(" Give your details");
final EditTextsub= (EditText) d.findViewById(R.id.subject);
Spinnertime =(Spinner) d.findViewById(R.id.time);
ArrayAdapter<String>adapter=new ArrayAdapter<String>(Takeattendance.this,
android.R.layout.simple_list_item_1,timeArray);
time.setAdapter(adapter);
time.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
publicvoidonItemSelected(AdapterView<?>parent,View view,intposition,longid) {
timeString=parent.getItemAtPosition(position).toString();
}
@Override
publicvoidonNothingSelected(AdapterView<?>parent) {

52. }
});
Buttonsend= (Button) d.findViewById(R.id.send);
send.setOnClickListener(newView.OnClickListener() {
@Override
publicvoidonClick(View v) {
message =sub.getText().toString();
newuploadattendance().execute();
d.dismiss();
}
});
d.show();
}
});
}
@Override
protectedvoidonResume() {
super.onResume();
studentlistArray.clear();
newgetstudents().execute();
}

53. publicclassgetstudentsextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=newProgressDialog(Takeattendance.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
JSONObjectobject=parser.makeHttpRequest(studentlistUrl,"GET",args);
response =object.getJSONArray("studentlist");
for (inti = 0; i < response.length();i++) {
JSONObjectc= response.getJSONObject(i);
// Stringsroll = c.getString("rollno");
Stringsname=c.getString("name");
Stringsmobile =c.getString("phone");
studentlistArray.add(sname);
studentmobileArray.add(smobile);
uncheckedList.add(sname);

54. uncheckmobileList.add(smobile);
}
} catch (Exceptione) {
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
takeList.setAdapter(newstudentAdapter());
progressDialog.dismiss();
}
}
publicclassstudentAdapterextendsBaseAdapter{
@Override
publicintgetCount(){
returnstudentlistArray.size();
}
@Override
publicObjectgetItem(int position) {
returnnull;
}
@Override

55. publiclonggetItemId(intposition) {
return0;
}
@Override
publicView getView(final intposition,ViewconvertView,ViewGroupparent){
convertView=getLayoutInflater().inflate(R.layout.rollnumberlist,null);
CheckBox checkBox =(CheckBox) convertView.findViewById(R.id.rollCheck);
checkBox.setText(studentlistArray.get(position));
checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
publicvoidonCheckedChanged(CompoundButtonbuttonView,booleanisChecked) {
if (isChecked==true) {
// Toast.makeText(StudentList.this,"true"+position,Toast.LENGTH_SHORT).show();
checkedList.add(studentlistArray.get(position).toString());
uncheckedList.remove(studentlistArray.get(position).toString());
checkmobileList.add(studentmobileArray.get(position).toString());
uncheckmobileList.remove(studentmobileArray.get(position).toString());
}
if (isChecked==false) {
// Toast.makeText(StudentList.this,"false"+position,Toast.LENGTH_SHORT).show();
checkedList.remove(studentlistArray.get(position).toString());
uncheckedList.add(studentlistArray.get(position).toString());
checkmobileList.remove(studentmobileArray.get(position).toString());
uncheckmobileList.add(studentmobileArray.get(position).toString());

56. }
}
});
returnconvertView;
}
}
publicclassuploadattendanceextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=newProgressDialog(Takeattendance.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
List<NameValuePair>args= newArrayList<>();
for(intp = 0; p < checkedList.size();p++) {
args.add(newBasicNameValuePair("rollno",checkedList.get(p).toString()));
args.add(newBasicNameValuePair("status","A"));
JSONObjectobject=parser.makeHttpRequest(studentattendanceUrl,"POST",args);
}
for(intp = 0; p < uncheckedList.size();p++) {

57. args.add(newBasicNameValuePair("rollno",uncheckedList.get(p).toString()));
args.add(newBasicNameValuePair("status","P"));
JSONObjectobject=parser.makeHttpRequest(studentattendanceUrl,"POST",args);
}
for(intp = 0; p < checkmobileList.size();p++) {
SmsManagermanager= SmsManager.getDefault();
manager.sendTextMessage(checkmobileList.get(p).toString(),null,"Yourwardisabsentfor
class'"+message+"'at '"+timeString+"'.PleasecontactN.Lavanya8297225625 ",null,null);
Log.v("dddddddd",""+ checkmobileList.toString());
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
progressDialog.dismiss();
}
}
}
Viewattendance.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.Dialog;
importandroid.app.ProgressDialog;

58. importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.telephony.SmsManager;
importandroid.util.Log;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.AdapterView;
importandroid.widget.ArrayAdapter;
importandroid.widget.BaseAdapter;
importandroid.widget.Button;
importandroid.widget.CheckBox;
importandroid.widget.CompoundButton;
importandroid.widget.EditText;
importandroid.widget.ListView;
importandroid.widget.Spinner;
importorg.apache.http.NameValuePair;
importorg.apache.http.message.BasicNameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;
publicclassTakeattendance extendsActivity{

59. ListViewtakeList;
Button submitButton;
ProgressDialogprogressDialog;
JSONParserparser= newJSONParser();
JSONArrayresponse;
publicStringstudentattendanceUrl =
"http://www.wikihands.com/attendanceandmarks/attendance.php";
publicStringstudentlistUrl ="http://www.wikihands.com/attendanceandmarks/studentlist.php";
ArrayList<String>checkedList=newArrayList<>();
ArrayList<String>uncheckedList=new ArrayList<>();
ArrayList<String>checkmobileList=new ArrayList<>();
ArrayList<String>uncheckmobileList=new ArrayList<>();
ArrayList<String>studentlistArray=new ArrayList<>();
ArrayList<String>studentmobileArray=new ArrayList<>();
Stringmessage;
String[] timeArray={"SelectTime","07:10AM","07:15AM","08:15AM","08:45AM","09:15AM",
"9:30AM", "10:00AM", "11:00AM","11:30AM",
"12:00PM","12:30PM", "02:00PM", "02:30PM","03:30PM","04:00PM"};
StringtimeString;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {

60. super.onCreate(savedInstanceState);
setContentView(R.layout.activity_takeattendance);
submitButton=(Button) findViewById(R.id.submitattendance);
takeList= (ListView)findViewById(R.id.stlist);
submitButton.setOnClickListener(new View.OnClickListener() {
@Override
publicvoidonClick(Viewv) {
final Dialogd= newDialog(Takeattendance.this);
d.setContentView(R.layout.take);
d.setTitle(" Give your details");
final EditTextsub= (EditText) d.findViewById(R.id.subject);
Spinnertime =(Spinner) d.findViewById(R.id.time);
ArrayAdapter<String>adapter=new ArrayAdapter<String>(Takeattendance.this,
android.R.layout.simple_list_item_1,timeArray);
time.setAdapter(adapter);
time.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
publicvoidonItemSelected(AdapterView<?>parent,View view,intposition,longid) {
timeString=parent.getItemAtPosition(position).toString();
}
@Override
publicvoidonNothingSelected(AdapterView<?>parent) {
}
});

61. Buttonsend= (Button) d.findViewById(R.id.send);
send.setOnClickListener(newView.OnClickListener() {
@Override
publicvoidonClick(View v) {
message =sub.getText().toString();
newuploadattendance().execute();
d.dismiss();
}
});
d.show();
}
});
}
@Override
protectedvoidonResume() {
super.onResume();
studentlistArray.clear();
newgetstudents().execute();
}
publicclassgetstudentsextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {

62. super.onPreExecute();
progressDialog=newProgressDialog(Takeattendance.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
JSONObjectobject=parser.makeHttpRequest(studentlistUrl,"GET",args);
response =object.getJSONArray("studentlist");
for (inti = 0; i < response.length();i++) {
JSONObjectc= response.getJSONObject(i);
// Stringsroll = c.getString("rollno");
Stringsname=c.getString("name");
Stringsmobile =c.getString("phone");
studentlistArray.add(sname);
studentmobileArray.add(smobile);
uncheckedList.add(sname);
uncheckmobileList.add(smobile);
}
} catch (Exceptione) {

63. }
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
takeList.setAdapter(newstudentAdapter());
progressDialog.dismiss();
}
}
publicclassstudentAdapterextendsBaseAdapter{
@Override
publicintgetCount(){
returnstudentlistArray.size();
}
@Override
publicObjectgetItem(intposition) {
returnnull;
}
@Override
publiclonggetItemId(intposition) {
return0;
}

64. @Override
publicView getView(final intposition,ViewconvertView,ViewGroupparent){
convertView=getLayoutInflater().inflate(R.layout.rollnumberlist,null);
CheckBox checkBox =(CheckBox) convertView.findViewById(R.id.rollCheck);
checkBox.setText(studentlistArray.get(position));
checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
publicvoidonCheckedChanged(CompoundButtonbuttonView, booleanisChecked) {
if (isChecked==true) {
// Toast.makeText(StudentList.this,"true"+position,Toast.LENGTH_SHORT).show();
checkedList.add(studentlistArray.get(position).toString());
uncheckedList.remove(studentlistArray.get(position).toString());
checkmobileList.add(studentmobileArray.get(position).toString());
uncheckmobileList.remove(studentmobileArray.get(position).toString());
}
if (isChecked==false) {
// Toast.makeText(StudentList.this,"false"+position,Toast.LENGTH_SHORT).show();
checkedList.remove(studentlistArray.get(position).toString());
uncheckedList.add(studentlistArray.get(position).toString());
checkmobileList.remove(studentmobileArray.get(position).toString());
uncheckmobileList.add(studentmobileArray.get(position).toString());
}
}
});

65. returnconvertView;
}
}
publicclassuploadattendanceextendsAsyncTask<String,String,String>{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=newProgressDialog(Takeattendance.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
@Override
protectedStringdoInBackground(String...params) {
List<NameValuePair>args= newArrayList<>();
for(intp = 0; p < checkedList.size();p++) {
args.add(newBasicNameValuePair("rollno",checkedList.get(p).toString()));
args.add(newBasicNameValuePair("status","A"));
JSONObjectobject=parser.makeHttpRequest(studentattendanceUrl,"POST",args);
}
for(intp = 0; p < uncheckedList.size();p++) {
args.add(newBasicNameValuePair("rollno",uncheckedList.get(p).toString()));
args.add(newBasicNameValuePair("status","P"));

66. JSONObjectobject=parser.makeHttpRequest(studentattendanceUrl,"POST",args);
}
for(intp = 0; p < checkmobileList.size();p++) {
SmsManagermanager= SmsManager.getDefault();
manager.sendTextMessage(checkmobileList.get(p).toString(),null,"Yourwardisabsentfor
class'"+message+"'at '"+timeString+"'.PleasecontactN.Lavanya8297225625 ",null,null);
Log.v("dddddddd",""+ checkmobileList.toString());
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);
progressDialog.dismiss();
}
}
}
Viewattendance.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.app.ProgressDialog;
importandroid.content.Intent;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.view.Menu;

67. importandroid.view.MenuItem;
importandroid.view.View;
importandroid.widget.AdapterView;
importandroid.widget.ArrayAdapter;
importandroid.widget.ListView;
importorg.apache.http.NameValuePair;
importorg.json.JSONArray;
importorg.json.JSONObject;
importjava.util.ArrayList;
importjava.util.List;
publicclassViewattendanceextendsActivity {
ListViewvlistview;
ProgressDialogprogressDialog;
JSONParserparser=newJSONParser();
JSONArrayresponse;
publicStringstudentlistUrl="http://www.wikihands.com/attendanceandmarks/studentlist.php";
ArrayList<String>rollnolistArray=newArrayList<>();
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_viewattendance);

68. vlistview=(ListView) findViewById(R.id.vlist);
vlistview.setOnItemClickListener(newAdapterView.OnItemClickListener() {
@Override
publicvoidonItemClick(AdapterView<?>parent,View view,intposition,longid) {
Intentin=newIntent(Viewattendance.this,Attendanceviewing.class);
in.putExtra("ROLLNO",rollnolistArray.get(position).toString());
startActivity(in);
}
});
}
@Override
protectedvoidonResume() {
super.onResume();
rollnolistArray.clear();
newgetstudents().execute();
}
publicclassgetstudentsextendsAsyncTask<String,String,String>
{
@Override
protectedvoidonPreExecute() {
super.onPreExecute();
progressDialog=new ProgressDialog(Viewattendance.this);
progressDialog.setMessage("Please wait...");
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();

69. }
@Override
protected StringdoInBackground(String...params) {
try {
List<NameValuePair>args= new ArrayList<>();
JSONObjectobject=parser.makeHttpRequest(studentlistUrl,"GET",args);
response =object.getJSONArray("studentlist");
for(inti=0;i<response.length();i++)
{
JSONObjectc=response.getJSONObject(i);
Stringsroll=c.getString("rollno");
Stringsname=c.getString("name");
rollnolistArray.add(sname);
}
}catch (Exceptione)
{
}
returnnull;
}
@Override
protectedvoidonPostExecute(Strings) {
super.onPostExecute(s);

70. ArrayAdapter<String>vadapter=new
ArrayAdapter<String>(Viewattendance.this,android.R.layout.simple_list_item_1,rollnolistArray);
vlistview.setAdapter(vadapter);
progressDialog.dismiss();
}
}
}
Viewdetail.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.widget.TextView;
publicclassViewdetailsextendsActivity{
TextView detailsTextview;
@Override
protectedvoidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_viewdetails);
detailsTextview=(TextView) findViewById(R.id.details);

71. Stringgetname=getIntent().getStringExtra("fname");
Stringgetmobile=getIntent().getStringExtra("fmobile");
Stringgetmail=getIntent().getStringExtra("fmail");
Stringgetdepart=getIntent().getStringExtra("fdepart");
detailsTextview.setText("Name:"+getname+"nMobile:"+getmobile+"nE-mail:
"+getmail+"nDepartment:"+getdepart);
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_viewdetails,menu);
returntrue;
}
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);

72. }
}
ViewMasks.java
package com.gpslocation.attendanceandmarkssystem;
importandroid.annotation.TargetApi;
importandroid.app.Activity;
importandroid.content.res.AssetManager;
importandroid.os.Build;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.view.MenuItem;
importandroid.webkit.WebSettings;
importandroid.webkit.WebView;
importjava.io.BufferedReader;
importjava.io.IOException;
importjava.io.InputStream;
importjava.io.InputStreamReader;
importjava.io.Reader;
importjava.io.StringWriter;
importjava.io.Writer;
publicclassViewMarksextendsActivity{
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
protectedvoidonCreate(Bundle savedInstanceState) {

73. super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_marks);
WebViewhtmlWebView=(WebView)findViewById(R.id.web);
WebSettingswebSetting=htmlWebView.getSettings();
webSetting.setJavaScriptEnabled(true);
webSetting.setDisplayZoomControls(true);
StringhtmlFilename="marksheet.html";
AssetManagermgr= getBaseContext().getAssets();
try {
InputStreamin= mgr.open(htmlFilename,AssetManager.ACCESS_BUFFER);
StringhtmlContentInStringFormat=StreamToString(in);
in.close();
htmlWebView.loadDataWithBaseURL(null,htmlContentInStringFormat,"text/html","utf-8",null);
} catch (IOExceptione) {
e.printStackTrace();
}
}
publicstaticStringStreamToString(InputStreamin) throwsIOException{
if(in==null) {
return"";
}
Writerwriter= newStringWriter();
char[] buffer= newchar[1024];
try {
Readerreader= newBufferedReader(new InputStreamReader(in,"UTF-8"));
intn;

74. while ((n=reader.read(buffer)) !=-1) {
writer.write(buffer,0,n);
}
} finally{
}
returnwriter.toString();
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu) {
//Inflate the menu;thisaddsitemstothe actionbar if itis present.
getMenuInflater().inflate(R.menu.menu_view_marks,menu);
returntrue;
}
@Override
publicbooleanonOptionsItemSelected(MenuItemitem) {
//Handle actionbar itemclickshere.The actionbar will
//automaticallyhandle clicksonthe Home/Upbutton,solong
//as you specifyaparentactivityinAndroidManifest.xml.
intid= item.getItemId();
//noinspectionSimplifiableIfStatement
if (id== R.id.action_settings) {
returntrue;
}
returnsuper.onOptionsItemSelected(item);
}
}