Preventing Screen Lockups of Blocking Operations by Qusay H. Mahmoud When you're developing networking MIDlets, pay special attention to blocking operations, such as methods that establish a connection to the network. These can lock up the screen, leaving your user frustrated with your application. To prevent screen lockups, you should perform all blocking operations in a separate thread. As an example, let's assume you've written a method called makeConnection() that establishes a connection to a remote server.
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