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Old 10-18-2010, 11:30 PM   #1 (permalink)
Knows Where the Search Button Is
 
Join Date: Feb 2010
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Default Blackberry Registration and Login screen with xml

Please Login to Remove!

STARTS WITH SPLASH SCREEN




package BB.Registration;

import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.RichTextField;
import net.rim.device.api.ui.container.MainScreen;

public class SplashScreen extends MainScreen {

AccountDatabase acDb;

public SplashScreen() {

LabelField lblTitle = new LabelField("Splash Screen", FIELD_HCENTER);

setTitle(lblTitle);


add(new RichTextField("THIS IS SPLASH SCREEN", FIELD_HCENTER));
synchronized (RegistrationScreen.persistAccounts) {

acDb=(AccountDatabase) RegistrationScreen.persistAccounts.getContents();

}


UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {

synchronized (UiApplication.getEventLock()) {


UiApplication.getUiApplication().pushScreen(new SelectionScreen());

UiApplication.getUiApplication().popScreen(SplashS creen.this);

/* if(acDb==null || acDb.size()==0)
{
UiApplication.getUiApplication().pushScreen(
new RegistrationScreen());
UiApplication.getUiApplication().popScreen(
SplashScreen.this);
}
else
{
UiApplication.getUiApplication().pushScreen(
new LoginScreen());
UiApplication.getUiApplication().popScreen(
SplashScreen.this);
}*/
}

}
},3000,false);

}

}


=========//======================//======================//======================//======================//============



PUSHES THE SELECT SCREEN


package BB.Registration;

import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.container.HorizontalFieldMan ager;
import net.rim.device.api.ui.container.MainScreen;

public class SelectionScreen extends MainScreen implements FieldChangeListener{

ButtonField btnRegister, btnLogin, btnContacts;

public SelectionScreen() {

HorizontalFieldManager hfmSelect = new HorizontalFieldManager();

btnRegister = new ButtonField("Register",ButtonField.CONSUME_CLICK);
hfmSelect.add(btnRegister);
btnRegister.setChangeListener(this);

btnLogin = new ButtonField("Login",ButtonField.CONSUME_CLICK);
hfmSelect.add(btnLogin);
btnLogin.setChangeListener(this);

btnContacts = new ButtonField("Contacts",ButtonField.CONSUME_CLICK);
hfmSelect.add(btnContacts);
btnContacts.setChangeListener(this);

setStatus(hfmSelect);

}

public void fieldChanged(Field field, int context) {
// TODO Auto-generated method stub

if(field== btnRegister)
{
UiApplication.getUiApplication().pushScreen(new RegistrationScreen());

}
else if(field==btnLogin)
{
UiApplication.getUiApplication().pushScreen(new LoginScreen());
}

else if(field==btnContacts)
{
UiApplication.getUiApplication().pushScreen(new ContactScreen());
}

}

}

=========//======================//======================//======================//======================//============

PUSHES REGISTRATION SCREEN


package BB.Registration;

import net.rim.device.api.system.PersistentObject;
import net.rim.device.api.system.PersistentStore;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.PasswordEditField;
import net.rim.device.api.ui.container.HorizontalFieldMan ager;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManag er;

public class RegistrationScreen extends MainScreen implements
FieldChangeListener {

final int lblHeight = 14;

LabelField lblTitle = new LabelField("Registration Screen", FIELD_HCENTER);
LabelField lblStatus = new LabelField("By: Anuj Mukul", FIELD_RIGHT);
EditField edtName;
PasswordEditField edtPass;
ButtonField btnEnter, btnCancel;

Font fontLblTitle = Font.getDefault().derive(Font.EXTRA_BOLD, lblHeight);
Font fontLblStatus = Font.getDefault().derive(Font.ITALIC, lblHeight);

static PersistentObject persistAccounts;

static {
// Hash of "net.rim.sample.AddressBook".
long KEY = 0xa3b311234f59a29L;
persistAccounts = PersistentStore.getPersistentObject(KEY);

}

public RegistrationScreen() {

lblTitle.setFont(fontLblTitle);
setTitle(lblTitle);

// MAIN MANAGER
VerticalFieldManager vfmMain = new VerticalFieldManager();

VerticalFieldManager vfmContentHolder = new VerticalFieldManager();

// HORIZONTAL MANAGER FOR NAME FIELDS
HorizontalFieldManager hfmName = new HorizontalFieldManager(FIELD_RIGHT);

// LBL FIELD FOR NAME
LabelField lblName = new LabelField("I.D.: ");
hfmName.add(lblName);

// EDIT FIELD FOR NAME
edtName = new EditField("", "enter here", 256, EditField.NO_NEWLINE) {
protected void onFocus(int direction) {

if (edtName.getText().equalsIgnoreCase("enter here"))
clear(256);

super.onFocus(direction);
}

protected void paint(Graphics graphics) {
graphics.setColor(Color.GRAY);
super.paint(graphics);
}

};
hfmName.add(edtName);
// vfmMain.add(hfmName);
vfmContentHolder.add(hfmName);

HorizontalFieldManager hfmPass = new HorizontalFieldManager();
// LBL FIELD FOR pass
LabelField lblPass = new LabelField("Pass: ");
hfmPass.add(lblPass);

// EDIT FIELD FOR pass
edtPass = new PasswordEditField("", "", 256, EditField.NO_NEWLINE) {

protected void onFocus(int direction) {
if (edtPass.getText().equalsIgnoreCase(""))
clear(256);
super.onFocus(direction);
}

};
hfmPass.add(edtPass);
// vfmMain.add(hfmPass);
vfmContentHolder.add(hfmPass);

vfmContentHolder.setMargin(50, 0, 0, 50);

vfmMain.add(vfmContentHolder);

HorizontalFieldManager hfmStatus = new HorizontalFieldManager(
FIELD_HCENTER);

btnEnter = new ButtonField("Enter!", FIELD_HCENTER
| ButtonField.CONSUME_CLICK);
btnEnter.setChangeListener(this);
hfmStatus.add(btnEnter);

btnCancel = new ButtonField("Cancel", FIELD_HCENTER
| ButtonField.CONSUME_CLICK);
btnCancel.setChangeListener(this);
hfmStatus.add(btnCancel);

add(vfmMain);

lblStatus.setFont(fontLblStatus);
// hfmStatus.add(lblStatus);

setStatus(hfmStatus);
btnCancel.setFocus();
}

public void fieldChanged(Field field, int context) {

String name = edtName.getText().trim();
String pass = edtPass.getText().trim();

if (field == btnEnter) {

if (name.equalsIgnoreCase("") || pass.equalsIgnoreCase("")||name.equalsIgnoreCase(" enter here"))
{
Dialog.inform("Please enter all fields");
}
else
{

NamePassStore nps = new NamePassStore();
nps.setName(name);
nps.setPass(pass);

AccountDatabase acDb;
synchronized (persistAccounts) {
acDb = (AccountDatabase) persistAccounts.getContents();

if (acDb != null) {
acDb.addElement(nps);
} else {
acDb = new AccountDatabase();
acDb.addElement(nps);
}

persistAccounts.setContents(acDb);
persistAccounts.commit();

}

UiApplication.getUiApplication().pushScreen(new ShowDatabase());
}
} else if (field == btnCancel) {
System.exit(0);
}
}

}

=========//======================//======================//======================//======================//============

PUSHES LOGIN SCREEN


package BB.Registration;

import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.PasswordEditField;
import net.rim.device.api.ui.container.HorizontalFieldMan ager;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManag er;

public class LoginScreen extends MainScreen implements FieldChangeListener {

final int lblHeight = 14;

LabelField lblTitle = new LabelField("Login Screen", FIELD_HCENTER);

EditField edtName;
PasswordEditField edtPass;
ButtonField btnEnter, btnCancel;
boolean flagAccountExists = false;

Font fontLblTitle = Font.getDefault().derive(Font.EXTRA_BOLD, lblHeight);
Font fontLblStatus = Font.getDefault().derive(Font.ITALIC, lblHeight);

AccountDatabase acDb;

public LoginScreen() {

lblTitle.setFont(fontLblTitle);
setTitle(lblTitle);

// MAIN MANAGER
VerticalFieldManager vfmMain = new VerticalFieldManager();

VerticalFieldManager vfmContentHolder = new VerticalFieldManager();

// HORIZONTAL MANAGER FOR NAME FIELDS
HorizontalFieldManager hfmName = new HorizontalFieldManager(FIELD_RIGHT);

// LBL FIELD FOR NAME
LabelField lblName = new LabelField("I.D.: ");
hfmName.add(lblName);

// EDIT FIELD FOR NAME
edtName = new EditField("", "enter here", 256, EditField.NO_NEWLINE) {
protected void onFocus(int direction) {

if (edtName.getText().equalsIgnoreCase("enter here"))
clear(256);

super.onFocus(direction);
}

protected void paint(Graphics graphics) {
graphics.setColor(Color.GRAY);
super.paint(graphics);
}

};
hfmName.add(edtName);
// vfmMain.add(hfmName);
vfmContentHolder.add(hfmName);

HorizontalFieldManager hfmPass = new HorizontalFieldManager();
// LBL FIELD FOR pass
LabelField lblPass = new LabelField("Pass: ");
hfmPass.add(lblPass);

// EDIT FIELD FOR pass
edtPass = new PasswordEditField("", "", 256, EditField.NO_NEWLINE) {

protected void onFocus(int direction) {
if (edtPass.getText().equalsIgnoreCase(""))
clear(256);
super.onFocus(direction);
}

};
hfmPass.add(edtPass);
// vfmMain.add(hfmPass);
vfmContentHolder.add(hfmPass);

vfmContentHolder.setMargin(50, 0, 0, 50);

vfmMain.add(vfmContentHolder);

HorizontalFieldManager hfmStatus = new HorizontalFieldManager(
FIELD_HCENTER);

btnEnter = new ButtonField("Login", FIELD_HCENTER
| ButtonField.CONSUME_CLICK);
btnEnter.setChangeListener(this);
hfmStatus.add(btnEnter);

btnCancel = new ButtonField("Cancel", FIELD_HCENTER
| ButtonField.CONSUME_CLICK);
btnCancel.setChangeListener(this);
hfmStatus.add(btnCancel);

add(vfmMain);

// hfmStatus.add(lblStatus);

setStatus(hfmStatus);
btnCancel.setFocus();

}

public void fieldChanged(Field field, int context) {
String name = edtName.getText().trim();
String pass = edtPass.getText().trim();
NamePassStore nps;
if (field == btnEnter) {
if (name.equalsIgnoreCase("") || pass.equalsIgnoreCase("")
|| name.equalsIgnoreCase("enter here")) {
Dialog.inform("Please enter all fields");
}

else {
synchronized (RegistrationScreen.persistAccounts) {

acDb = (AccountDatabase) RegistrationScreen.persistAccounts
.getContents();
}
for (int i = 0; i < acDb.size(); i++) {
System.out.println(i + " count size--> " + acDb.size());
nps = (NamePassStore) acDb.elementAt(i);
if (name.equalsIgnoreCase(nps.getName())
&& pass.equalsIgnoreCase(nps.getPass()))

{

System.out.println(name + " compare " + nps.getName());
System.out.println(pass + " compare " + nps.getPass());
flagAccountExists = true;
break;
}
}

if (flagAccountExists) {
UiApplication.getUiApplication().pushScreen(
new LoginSuccessScreen(name));
UiApplication.getUiApplication().popScreen(this);
} else {
UiApplication.getUiApplication().invokeLater(
new Runnable() {
public void run() {
Dialog.alert("Account Doesn't Exists");

}
});
}

}

}

}

}



=========//======================//======================//======================//======================//============

XML SCREEN FOR PARSING XML DATA


package BB.Registration;

import java.io.InputStream;

import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.xml.parsers.DocumentBuilder;
import net.rim.device.api.xml.parsers.DocumentBuilderFact ory;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class ContactScreen extends MainScreen {

private static String _xmlFileName = "/bookstore.xml";

InputStream inputStream = getClass().getResourceAsStream( _xmlFileName );

public ContactScreen() {







String _node,_element;

Document doc,doc_string;


try{


/*DocumentBuilderFactory docBuilderFactory= DocumentBuilderFactory. newInstance();
DocumentBuilder docBuilder= docBuilderFactory.newDocumentBuilder();*/

DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
InputStream inputStream = getClass().getResourceAsStream( _xmlFileName );

docBuilder.isValidating();
doc = docBuilder.parse(inputStream);
doc.getDocumentElement ().normalize ();
doc_string=doc;



NodeList list=doc.getElementsByTagName("*");
// NodeList list_checkString=doc_string.getElementsByTagName(" string");


_node=new String();
_element = new String();
//this "for" loop is used to parse through the
//XML document and extract all elements and their
//value, so they can be displayed on the device



for (int check=0;check<list.getLength();check++)
{
Node value=list.item(check).getChildNodes().item(0);
_node=list.item(check).getNodeName();

if(_node.equalsIgnoreCase("thetext") && value==null)
_element=" ";

else
_element=value.getNodeValue();





// updateField(_node, _element);
// add(new RichTextField(bug_details.elements(_node).toString ()));
}



/* new EditTest(_element);
add(new RichTextField(EditTest.data));
*/


}
catch (Exception e) {
// TODO: handle exception
}




}




}


=========//======================//======================//======================//======================//============

CLASS DATABASE FOR THE ID PASSWORD


package BB.Registration;

import net.rim.device.api.util.Persistable;

public class NamePassStore implements Persistable{

private String Name;
private String Pass;

public String getName() {
return this.Name;
}

public void setName(String name) {
this.Name = name;
}

public String getPass() {
return this.Pass;
}

public void setPass(String pass) {
this.Pass = pass;
}

}


=========//======================//======================//======================//======================//============

MAIN DATABASE FOR THE ACCOUNTS


package BB.Registration;

import java.util.Vector;

import net.rim.device.api.util.Persistable;

public class AccountDatabase extends Vector implements Persistable {

public synchronized Object elementAt(int index) {

return super.elementAt(index);
}

public synchronized void addElement(Object obj) {

super.addElement(obj);
}

public int size() {

return super.size();
}


}

=========//======================//======================//======================//======================//============

FOR VALIDATION IN THE REGISTRATION USE



char temp,ch;
count=strings.length;
startchar=new char[count];
for(i=0;i<count;i++)
{
ch=strings[i].charAt(0);

int j=ch;
if(j>=65 && j<=90 )
{
j=j+32;
}
ch=(char) j;
startchar[c]= ch;
c++;
}
temp=startchar[0];
for(i=0;i<count-1;i++)
{

if(temp==startchar[i+1])
{
startchar[i+1]='~';
}
else
{
temp=startchar[i+1];
}
}
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