Midlet upload to nokia phone

Hi All,
I have develped application. I have installed jar files of midlet in Nokia N75 mobil phone. It Ishows installed in it s application but It is not displaying midlet in the phone menu. Plz tell why it shows installed but not displaying midlet in menu..
Plz reply its urgent
Thanks,

Hi All,
I am not able to figure out this problem if somebody knows this answer plz reply..
Thanks,
[email protected]

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Bluetooth connection not working on US Nokia phones from J2ME Midlet (MIDP

Hi All,
We are developing a J2ME midlet (MIDP 2.0 ,CLDC 1.1)which makes bluetooth connection to other devices.The bluetooth
connection is working perfectly on indian nokia phones with Airtel as carrier.But when we deploy the same midlet on Nokia E71
US phone with carrier as AT&T ,the bluetooth connection is not working.The sample code is as follows:
public void run(){
try{
StreamConnection connection = (StreamConnection)Connector.open(btConnectionURL);
// open an input stream to get some data
InputStream in = connection.openInputStream();
byte[] serialData;
readData = true;
while(readData == true){
int lengthavai=0;
lengthavai = in.available();
if(lengthavai > 0){
serialData = new byte[lengthavai];
int length = in.read(serialData);
System.out.println("data read: " + new String(serialData));
dataViewForm.append(new String(serialData));
in.close();
connection.close();
}catch(IOException ioe){
ioe.printStackTrace();
when we try to connect on US Phones],the execution hangs at the following line of code:
StreamConnection connection = (StreamConnection)Connector.open(btConnectionURL);
No exception is caught.
Our midlet is not signed.
In the Forums it is said that the problem is with the unsigned midlet.AS some of the US carriers block the secure API usage
on Unsigned midlet.
But our question is, if we buy a code signing certificate from Verisign or Thawte and sign the midlet, will this problem be solved.
Any other alternative solutions for this ???
Immediate help will be appreciated.
Thanks,
Yash

You might want to read this before buying a certificate:
http://javablog.co.uk/2007/08/09/how-midlet-signing-is-killing-j2me/
It's not my blog, but I pretty much agree with what it says. Unfortunately the network operators can control the access 3rd party trusted certificates have, so even if you sign with Verisign for example, the signed midlet may not have any more privileges than an unsigned midlet, depending on network. They do this so that only midlets signed with one of their own certificates have unrestricted privileges forcing anyone who wants a useful application to buy it from the network instead of downloading an equivalent freeware version from Getjar for example. Some networks are worse than others, so signing your midlet will allow it to work on more phones than an unsigned midlet. I think Verisign have some info on AT&T on their website.
The whole MIDP specification for security is a joke, IMHO. I don't mind unsigned midlets flashing up a warning once during an application. Writing 20 files, for example, will give 40 security warnings for reading writing data which is ridiculous, as the user obviously either trusts the app or he doesn't. No one runs an app that they only sometimes trust.
As far as I know the only mobile manufacturer so far to see sense is Sony Ericsson. All of their new phones from Java platform 7 onwards allow unsigned applications access to the file system, bluetooth etc with just one warning when the applications starts.
Andy

Can I sync two Nokia phones with Ovi Suite?

I have 2 different Nokia phones. I'd like to save my data to my PC, so I've just downloaded and installed Ovi Suite 2.2.1.23.
When I connected the second phone successfully, there was a green link that said something like "Get tips on syncing several phones with Ovi Suite". However when I clicked there, nothing happened.
When I click "Help->Nokia Ovi Suite Help" on the toolbar, nothing happens, no help tips.
The first phone synced all 82 photos and Contacts and messages to Ovi Suite.
I created a new album with that phone's name, and dragged those pictures from "All" to the new album, to try & keep them organized.
When I connected the second phone all of the Contacts synced (there were a lot) and now they are mixed in with the contacts from the first phone. However the photos would not sync. Then a few photos synced, making a total of 156 shown in All (which included the 82 photos from the first phone). When I would click "Sync" nothing visible happened.
But I did see the photos from the second phone on the PC. I did drag them from the PC into the album created with the name of the second phone.
Now when I look at the photo album with the first phone's name, it says "You have no photos or videos in this album, Drag photos and videos to this album." Yikes! But they are still on my PC.
This is very confusing. I agree with the others, Nokia PC Suite worked well, Ovi Suite seems very confused.
Is any of this uploaded to my online Ovi account?
Thanks for your advice.

ronni333 & boing,
Somewhere on the nokia ovi website it says you need to use seperate windows logins. Have one login for work and use that when you use ovi to sync your work phone. Other login to sync your personal phone. I lost the link to that webpage, but that is about all it said.
ronni333 - I also had problem with ovi help, the link appeared to be empty. I was using Google Chrome to surf the net. Problem solved by using Internet Explorer instead.
Hope this info helps you guys.
Cheers,
chillimuncher

Running midlets on a cell phone

Hi all
How do I run my MIDlet on my cell phone? The app works fine on the emulator. I sent the .jar file of my application to my cellphone via IR but my phone keeps displaying it as an invalid app and it doesn't run. Am I doing something wrong?

Hi !
now I can specify:
# 1 - your local folder ------ where you put your .class ( or your packages ) and everything else needed by the midlet ( images ... ) ------ must contain empy folder "META-INF" where the jar construction puts its "MANIFEST.MF" file taken from your original jad file:
original jad file ( put in a different folder ):
MIDlet-1: MidletCamera, /res/images/Midlet.png, MainCamera
MIDlet-Name: MidletCamera
MIDlet-Vendor: Xxxxxxxxxx
MIDlet-Version: 1.0
MicroEdition-Configuration: CLDC-1.1
MicroEdition-Profile: MIDP-2.0
MANIFEST.MF file written by program jar in the folder META-INF, so included in the output MidletCamera.jar:
Manifest-Version: 1.0
MicroEdition-Configuration: CLDC-1.1
MIDlet-Name: MidletCamera
Created-By: 1.4.2_05 (Sun Microsystems Inc.)
MIDlet-Vendor: Xxxxxxxxxx
MIDlet-1: MidletCamera, /res/images/Midlet.png, MainCamera
MIDlet-Version: 1.0
MicroEdition-Profile: MIDP-2.0
# 2 - the ( MidletCamera ).jar must be in ( or moved to ) the folder from which you choose ( left panel ) using Nokia PC Suite and that is all PC Suite needs in order to install the midlet on the phone.
I hope this is clear and that helps solve your problems. Carlo

Reading bluetooth GPS data from a Nokia phone

I have a problem reading data from a MTK bluetooth GPS device from a Nokia phone (7610, Symbian S60).
I wrote a midlet (my phone supports CLDC 1.0/MIDP 2.0) that create a thread to read data
from the device (using RFCOMM protocol), the code is:
package gpsreader.bluetooth;
import javax.microedition.io.*;
import java.io.*;
public class BTrxtx implements Runnable {
private String url = ""; // Connection string to the bluetooth device.
private boolean canRead; // True if possible to read from device.
private boolean canWrite; // True if possible to write to device.
private String btstr = ""; // Last received string.
private int strCounter;
private int byteCounter;
private StreamConnection conn = null;
private InputStream inputstream = null;
private OutputStream outputstream = null;
private boolean newStr;
private static final char[] EOL_BYTES = {'\015','\012'};
public BTrxtx(String u) {
url = u;
canRead = false;
canWrite = false;
strCounter = 0;
byteCounter = 0;
newStr = false;
Thread t = new Thread(this);
t.start();
private void openInput() {
canRead = false;
try {
inputstream = conn.openInputStream();
canRead = true;
}catch(Exception e) {
setBtstr("oin");
System.out.println(e);
private void openOutput() {
canWrite = false;
try {
outputstream = conn.openOutputStream();
canWrite = true;
}catch(Exception e) {
setBtstr("oout");
System.out.println(e);
private void openConn() {
try {
conn = (StreamConnection) Connector.open(url);
openInput();
openOutput();
}catch(Exception e) {
setBtstr("oconn");
System.out.println("Failed to open connection: " + e);
private void closeInput() {
try {
if(inputstream!=null) {
inputstream.close();
}catch(Exception e) {
setBtstr("cin");
System.out.println(e);
private void closeOutput() {
try {
if(outputstream!=null) {
outputstream.close();
}catch(Exception e) {
setBtstr("cout");
System.out.println(e);
private void closeConn() {
try {
closeInput();
closeOutput();
if(conn!=null) {
conn.close();
}catch(Exception e) {
setBtstr("cconn");
System.out.println(e);
public void run() {
openConn();
try {
Thread.sleep(200);
}catch(Exception e) {
try {
int i = 0;
char c;
String s = "";
// Start reading the data from the GPS
while(canRead==true) {
i = inputstream.read(); // read one byte at the time.
if(i==-1) {
closeConn();
try {
Thread.sleep(200);
}catch(Exception e) {
openConn();
try {
Thread.sleep(200);
}catch(Exception e) {
continue;
byteCounter++;
// Every sentence starts with a '$'
if(i==36){
if(s.length()>0) {
strCounter++;
setBtstr(s);
s = "";
c = (char) i;
s += c;
System.out.println("GPS return no data");
setBtstr("BTend");
}catch(Exception e){
setBtstr("BTrun");
System.out.println(e);
private String byte2hex(byte b) {
char[] alphaHex = {'0', '1', '2', '3',
'4', '5', '6', '7',
'8', '9', 'A', 'B',
'C', 'D', 'E', 'F',
int low = (int) b & 0x0f;
int hi = (int) (b & 0xf0) >> 4;
String res = String.valueOf(alphaHex[hi]) + String.valueOf(alphaHex[low]);
return res;
public boolean sendData(String data) {
boolean res = false;
try {
if((canWrite==true) && (conn!=null) && (outputstream!=null) && (data!=null)){
StringBuffer rec = new StringBuffer(256);
// Calculate checksum
int index = data.length();
byte checksum = 0;
while(--index>=0) {
checksum ^= (byte) data.charAt(index);
rec.setLength(0);
rec.append('$');
rec.append(data);
rec.append('*');
rec.append(byte2hex(checksum));
System.out.println(">"+rec.toString());
rec.append(EOL_BYTES);
outputstream.write(rec.toString().getBytes());
}catch(Exception e) {
System.out.println(e);
return res;
public int getStrCounter() {
return strCounter;
public int getByteCounter() {
return byteCounter;
public String getBtstr() {
newStr = false;
return btstr;
private void setBtstr(String s) {
newStr = true;
btstr = s;
public boolean receivedData() {
return newStr;
The problem is on method "run" at line:
i = inputstream.read(); // read one byte at the time.
after reading some data (usually one NMEA string) read method returns -1,
and even if I try to close the connection and re-open it, after some other data is read,
the midlet is terminated by the phone with an error (something like "jes-13c-java-comms@1441adE32USER-CBase 40").
The GPS receiver is working, since from my PC I am able to connect with a bluetooth USB dongle and read outputs using RFCOMM.
Thx for any suggestions,
LB.

Work around.
I can not say I solved it, but I managed to get a work around:
I read in another post that there are some problems in thread handling on Nokia phones, so I rewrote the class so that it runs on the main thread and now it seems to work (I can not update the screen while reading from the device, but this isn't a big issue for me).
Just in case anyone is interested here is the final code:
import javax.microedition.io.*;
import java.io.*;
public class BTBrxtx {
private String url = ""; // Connection string to the bluetooth device.
private boolean canRead; // True if possible to read from device.
private String btstr = ""; // Last received string.
private int strCounter;
private int byteCounter;
private StreamConnection conn = null;
private InputStream inputstream = null;
private boolean newStr;
private String s = "";
private static final char[] EOL_BYTES = {'\015','\012'};
public BTBrxtx(String u) {
url = u;
canRead = false;
canWrite = false;
strCounter = 0;
byteCounter = 0;
newStr = false;
openConn();
try {
Thread.sleep(200);
}catch(Exception e) {
private void openInput() {
canRead = false;
try {
inputstream = conn.openInputStream();
canRead = true;
}catch(Exception e) {
setBtstr("oin");
System.out.println(e);
private void openConn() {
try {
conn = (StreamConnection) Connector.open(url);
openInput();
}catch(Exception e) {
setBtstr("oconn");
System.out.println("Failed to open connection: " + e);
private void closeInput() {
try {
if(inputstream!=null) {
inputstream.close();
}catch(Exception e) {
setBtstr("cin");
System.out.println(e);
private void closeConn() {
try {
closeInput();
if(conn!=null) {
conn.close();
}catch(Exception e) {
setBtstr("cconn");
System.out.println(e);
public void readInput() {
try {
int i = 0;
char c;
// Start reading the data from the GPS
while(canRead==true) {
i = inputstream.read(); // read one byte at the time.
if(i==-1) {
closeConn();
try {
Thread.sleep(200);
}catch(Exception e) {
openConn();
try {
Thread.sleep(200);
}catch(Exception e) {
continue;
byteCounter++;
// Every sentence starts with a '$'
if(i==36){
if(s.length()>0) {
strCounter++;
setBtstr(s);
s = "";
c = (char) i;
s += c;
return;
c = (char) i;
s += c;
System.out.println("GPS return no data");
setBtstr("BTend");
}catch(Exception e){
setBtstr("BTrun");
System.out.println(e);
private String byte2hex(byte b) {
char[] alphaHex = {'0', '1', '2', '3',
'4', '5', '6', '7',
'8', '9', 'A', 'B',
'C', 'D', 'E', 'F',
int low = (int) b & 0x0f;
int hi = (int) (b & 0xf0) >> 4;
String res = String.valueOf(alphaHex[hi]) + String.valueOf(alphaHex[low]);
return res;
public int getStrCounter() {
return strCounter;
public int getByteCounter() {
return byteCounter;
public String getBtstr() {
newStr = false;
return btstr;
private void setBtstr(String s) {
newStr = true;
btstr = s;
public boolean receivedData() {
return newStr;
Now I call method readInput in the main thread and than use getBtstr to retrieve data.
I'm still interested to know if someone had similar problems and how they have been solved.
Thx

Temporary signature for Nokia phones?

Hi
I am looking for a way of signing a midlet with a temporary signature for development purposes for a Nokia phone.
I know that in the Motorola iden SDK there is a function which signs the midlet with a signature that lasts 48 hours and works even on the actual device.
does anyone know if there something similar for Nokia?
Thanks
Aharon

Thanks
thats a very cool link, however I don't think my phone allows loading new certificates.
I'm using a Nokia 6110 navigator. When I loaded the certificate onto the phone the trust status only spoke about internet access but not App. Instalation

Making programs for nokia phones which have symbian operating system

hi
I want to make program for nokia phones.I wrote a program for pc general application and i want to change it for mobile phones. Please inform me about how to make program for mobile phones step by step?
thanks for your replies.

frknml
If your PC application is in java and suitable for the limitations of CLDC / MIDP, I really don't see any barrier -- of course, you may have to sacrifice much of the layout and possibly some of the functionality. Hard to say without knowing exactly what you have in mind.
Simple core java classes require no conversion and can be adopted into your mobile app. MIDlet is the basic application class, roughly (only roughly) corresponding to Applet for larger platforms.
So... I'm assuming that you're already reasonably famililar with the java language and syntax, and have a worked with a code editor and / or IDE. If that is the case, I would suggest you download and install NetBeans (if you don't already have it) and work through some of the mobility tutorials.
www.netbeans.org/downloads/
The javadocs for jsr-118 (included with NB) will also help. More complete docs and code samples are available in plenty, google java j2me CLDC MIDP sample codes.
For Nokia-specific features, you may want to download the Nokia SDK and integrate it into NetBeans. Series 60 SDK 2.0 for Symbian OS is available at
http://software.techrepublic.com.com/download.aspx?docid=78818
(and many other places)
But I strongly recommend that you focus on device-independent applications, and use device-specific features only where absolutely necessary.
Hey - I'd never used java before (I do have experience in various other programming languages) and I had a centimetre-inch convertor up and running on my Motorola handset just 2 days after installing NetBeans.
You know java, you may do better :-)
All the best, Darryl
Note: Download WTK 2.5 separately and integrate into NetBeans, the WTK 2.2 which comes bundled with NB has a few bugs :-(

Why this in nokia phones?

Why in nokia phones .jar & .jad files cannot be uploaded to site....
Even apps are not sent through bluetooth why??

@palani6,
Apps and games should not be shared to other sites or via Bluetooth to other phones, so they have restricted them from sending via Bluetooth on S40,
you won't get "send" option for any games or apps.
@Ajfad,
Can you please tell me what exactly happens before you get that message?
-------------------If this post helped you, click on accept as solution.------------------
-----------------------------Appreciate by clicking on white star.----------------------------

I am having trouble transfering music and pics from my old Nokia phone to Iphone 4s

Why won't my iphone 4s recognize my old phone so that I can transfer pics and music through bluetooth? It just keeps telling me it is not paired with the device but I can't figure out how to do so. The Nokia phone recognizes the iphone just fine.

Connect you rdevice to your computer/iTunes. Go to the Photos tab. Choose to have no photos synced over and then 'Apply' the changes.

How can i get contacts from my old Nokia phone to iphone 4S

how can i get contacts from my old Nokia phone to iphone 4S?

Appreciate the reply thank you
Issue being is I don't have the lead for the samsung any longer but have the memory card?
An yes I know I need to get them onto my MAC but how is what i'm struggling with?
Any help would be appreciated.
Many thanks

Suggestion for nokia phone

Hello sir,
i want to bye a nokia phone where i can minimize application, phone may be bar or qwerty but not touch screen, please give me best suggestio far a phone within 10,000.
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i didn't get any reaction from nokia support...

I just got tOhe iPhone 4Gs today and had contacts and photos uploaded from another phone synced new phone with iTunes for music and accidentally restored it so all my old iPhone stuff is on the new one is there any way to fix this

I just got tOhe iPhone 4Gs today and had contacts and photos uploaded from another phone synced new phone with iTunes for music and accidentally restored it so all my old iPhone stuff is on the new one is there any way to fix this ?! Please help !!!!

Could you be more specific about what exactly do you want to fix now?

When will windows 8.1 be available for nokia phones

when will windows 8.1 be available for nokia phones?

I wish I had some way to give you hope but unfortunately you're definitely not the first person to ask this question. VZW has made it clear that they aren't in the customer service business so we now must take matter into our own hands. Write directly to the CEO.
You can contact Mr. Daniel S. Mead (CEO) by going to www.verizon.com/about/leader/contact/73.
Maybe if enough of us say something they'll try to at least pretend they appreciate our money.

How do I transfer contacts from my old Nokia phone to my new iPhone?

My old phone is a Nokia 2330c-2. My new phone is an iPhone4

adams_engr wrote:
Please how do I transfer Contacts from old Nokia N8 to my new iPhone 4S?
Yes there is,
Download and install Nokia Suite for your PC. After installation, go to "tools" in the top menu and click on "options". The Options window should open up. on the left side select "contacts" and then under "sync with contacts application", select "Windows Contacts". After this click on "ok".
Connect your Nokia C3-00 to the computer with Nokia Suite still open. Your phone will show up in the application. Move mouse cursor over the contacts square on the left of the application window, and then click "sync". Wait for the sync to finish. Disconnect the Nokia phone.
Download and install iTunes. Connect your iphone. from this application you will be given an option to import contacts from Windows contacts. This should give you all the contacts.

Nokia phones used in music video's and movies

Music Videos:
Nokia N91 was used in Sean paul's video 'breakout' and in cassie's music video called 'me and you'. Nokia N73 was used in Ne-yo's music video called 'Because of you'.Nokia 8800 & the sirroco in P.diddy's music videos called 'Last night' and 'come to me'.Nokia 3250 was used in rihanna's video called 'Unfaithful'.Nokia n90 was used in nickelback's the video called 'far away'.Nokia 7900 prism is used in JLO's video 'Do It Well'.Nokia N95 was used in daddy yankee's video 'Impacto'.
Movies:
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This is one reason why nokia rock!!!
Any other music videos or movies with nokia phones please tell me on this post
At last a nseries phone im truely happy with THE N82

You are all kidding about this right?
Really, you do all know it's ENTIRELY down to product placement - ie: paid for advertising - rather than any "cool" factor, don't you?
I just can't believe there are intelligent people out there who still don't know that. I mean: why would a high profile pop star or the producer of a multi-million dollar movie feature a (usually entirely irrelevant) piece of technology in their product for free when they could get hundreds of thousands of dollars to do it?
It's not even like it's subtle anymore: have you seen how much product placement Apple have bought in Californication? Every other scene has someone using a powerbook or an iPod or at least talking about it.
Favourite line from the last one I saw: "Do you know (some **bleep**py album)? I'll gift it to you on your iPod."
Talk about sledgehammering the references in .. guess they hadn't made their quota that week Message Edited by patc on 14-Nov-200703:37 PM

Midlet upload to nokia phone

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