I want to make a BlackBerry application that has an ability like BlackBerry Messenger does. The ability that I mean is like a Listener to get know when the message is queued, send, delivered, pending, and also read by other device.
是否有任何建议要做到这一点?
I want to make a BlackBerry application that has an ability like BlackBerry Messenger does. The ability that I mean is like a Listener to get know when the message is queued, send, delivered, pending, and also read by other device.
是否有任何建议要做到这一点?
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