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Problem: Send Receive SMS in one midlet

Hardik Patel

Joined: Mar 26, 2007
Posts: 2
I'm writing one j2me midlet application using WMA library to send and Receive SMS.. Application behavior is : For receiving sms i implemented MessageListner so whenever sms comes, it notify the midlet and in that function i'm creating one thread and receiving sms and doing some parsing. Now i have to reply that sms so i'm sending some reply code by sms in the same thread but then after i'm unable to receive any message. Can any tell me what is the problem behind that? If i comment out send code then my application is able to receive any number of sms. I have used different objects like SMSREAD and SMSSEND to store message connection.
Please help me in this. My send and receive part works perfectly if i do send and receive in two different midlets....................
Any hint.....................
Thanks in advance for your kind support...................
Eduardo Marques
Ranch Hand

Joined: Feb 19, 2005
Posts: 231
The problem may be that a WMA message listener is called inside a system thread and you should either fire a new thread to handle the message or notify an existing one.

You should not call receive(), much less send a message directly in the listener. Read the WMA javadoc & specs, this is explained in some detail.


Eduardo Marques
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Hardik Patel

Joined: Mar 26, 2007
Posts: 2
Thanks for reply Eduardo.
But i got some other solution also and now it is working...........
so cheers...........
Brice Nkengsa

Joined: Jun 14, 2011
Posts: 2
Hey Hardik, I'm having the same issue. How did you resolve it without having to separate the send SMS and receive SMS code in two separate midlets?

Ayesh Perera

Joined: Feb 19, 2015
Posts: 1
Mr. Hardik,
can you please share the way to solve this problem with us???

Campbell Ritchie

Joined: Oct 13, 2005
Posts: 46349
Welcome to the Ranch

I am afraid that after over 7 years you may not get a reply from HP.
Yasin Siyal

Joined: Dec 14, 2014
Posts: 13
I have this code that can sent or recieve , a full project that can sent and recieve message but i will give if you do my work, i have a question if any one solve then i will give you that
I agree. Here's the link:
subject: Problem: Send Receive SMS in one midlet
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