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Change APN Setting programmatically in Blackberry

As shown bellow you want to set APN and Username (optional),Password (optional) in your connection programmatically, if you are not set it in the device. This also caused to Tunnel Failed error. 

public String HttpGET(String Url)
 {
  String AppendURL = ";deviceside=true ;apn=internet.com";
  AppendURL +=";tunnelauthusername=user165;tunnelauthpassword=user165password";  
  try {
   HttpConnection httpConnection = (HttpConnection) Connector.open(Url+AppendURL);
   httpConnection.setRequestMethod(HttpConnection.GET);
   InputStream inputStream = httpConnection.openInputStream();
        
   StringBuffer sb = new StringBuffer();
   int C;
        
   while( -1 != (C = inputStream.read())) 
   { sb.append((char)C); }
 
   return sb.toString();
   }
   catch (Exception e)
   { return "";      }
 }
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Comments

Sameer Nafdey said…
Hi,

Thanks for the info but I got couple of questions/doubts as listed below:
1. You're not changing APN Settings on the phone. Found in Option>Advance Options>TCP
2. What you're doing is adding the extra parameters to your connection string/URL that gives instruction to BB OS to route your connection via carrier's wap gateway.
3. If you know the correct values for a particular Blackberry device, then you can hardcode the various parameter values like you did in your code, but this need to be dynamic in order to make it work accross multiple carriers around the globe. What do you suggest about this?

Nice post though.

Regards,
Sameer.
September 29, 2009 at 4:20 AM
b said…
yes , I'm not changing the APN settings because in application there is a requirement to automatically detect the carrier. What we done is we keep XML file having all career parameters and try to connect to a URL. if tunnel fails occurs it means it is not correct parameters.
And also using this method we can also allow blackberry application to go through wifi also,
September 29, 2009 at 7:22 PM
Unknown said…
How to use this code for my Blackberry? I don't know to use this code
September 25, 2010 at 5:29 PM
b said…
For an example , if you are not using blackberry services you need to provide APN settings to connect to the internet. If you dont know the settings ask from your provider they will give you. then place user name and password in the string

;tunnelauthusername=user165;tunnelauthpassword=user165password

normally APN settings are unique to providers and they are rarely changed. thus you can have list of settings with you (ex:- as a file) and assign them according to the provider.
September 26, 2010 at 1:48 AM
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