Should we use jade androide to develop application

by sujitm » Fri, 17 Jul 2009 01:53:24 GMT

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 Reposting since I could not see my post

I am building a social networking application for ADC-II. This needs
peer-to-peer communications.Since GTalk service is not there any more
(hoping some variant will be back in future), I have one easy option
to use JADE.

But JADE requires a running JADE platform to function properly. And
definitely this is a drawback if I use JADE.

Dan, your comments will be highly appreciated.



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1. SSL handshake failure when client certificate is requested


Trying to set up a secure connection via SSL I get a SSL handshake
failure when the server requests the client certificate. The code
excerpt shown below (basically Apache's example
extended to use custom keystore for client cert and to support BKS
keystores) works on my desktop PC but throws a handshake failure in
Android simulator. Is this a bug, do I miss to add something Android
specific or is it just a permission problem?

Setup on PC: OS: openSuse 11.1, Java: SUN 1.6.0_17, openssl: 0.9.8h
Android SDK platform: 1.5_r3 revision 3
DefaultHttpClient httpclient = new DefaultHttpClient();

// [ ... ] lines for key- and truststore initialization omitted

SSLSocketFactory socketFactory = new SSLSocketFactory(keyStore,
keyStorePassword ,trustStore);

Scheme sch = new Scheme("https", socketFactory, 4433);

HttpGet httpget = new HttpGet("");

System.out.println("executing request" + httpget.getRequestLine());

// SSL handshake failure when executing next line
HttpResponse response = httpclient.execute(httpget);

// [...] Remaining code omitted
W/System.err( 1313): SSL handshake failure:
Failure in SSL library, usually a protocol error
W/System.err( 1313): error:14094410:SSL routines:SSL3_READ_BYTES:sslv3
alert handshake failure (external/openssl/ssl/s3_pkt.c:1053
Server (openssl s_server [...] -Verify 1
21435:error:140890C7:SSL routines:SSL3_GET_CLIENT_CERTIFICATE:peer did
not return a certificate:s3_srvr.c:2514:

Thanks for you help



2. Please help me find documentation on actions for the manifest file


      This has been killing me.  I finally found examples around the
net for things I wanted to experiment with.  I had to go searching cuz
I could find this information anywhere in the API Docs.

      Two things specifically that I'm interested in are:

      1) For listening for broadcast SMS messages through a broadcast
receiver, I see that you have to defined the action, for the intent in
the broadcast receiver element as:

        <receiver android:name=".<myClassName>">
                <action android:name=
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        First, where is that name
android.provider.Telephony.SMS_RECEIVED defined?  How am I supposed to
track that down in the API Doc?  There is no
android.provider.Telephony class or package.

        Second, in the code for receiving the actual broadcast, I see
you need to do something like this to get the message(s).

        Object[] pdus = (Object[]) bundle.get("pdus");

        Where is it defined that the extra name in the bundle is
"pdus" for SMS messages.

     2) OK, similar thing for receiving GMail and Exchange email
delivery notifications.

         First, is there a way to get them via a broadcast receiver?

         I see code floating around that you need to do something like
this instead:

ls"), true, gmailObserver);

Cursor conversations = _contetResolver.query(
YourEmailAddress, null, null, null, null);

And the actual conversation messages will be:
Cursor messages = _contetResolver.query(Uri
+ YourEmailAddress + "/"
+ String.valueOf(conversationId)
+ "/messages"), null, null, null, null);

          If this is how you have to do it, then that's fine.  But
where is this documented so that I could have figured this out myself?



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