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Editorial Team
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Asked: 2026-05-24T09:57:24+00:00

I have an iPhone application that relies heavily on communicating with an external server.

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I have an iPhone application that relies heavily on communicating with an external server. How can I throw an error message when the connection to the server cannot be made or the connection is lost? I have two connections, one is a HTML Post and the other is a socket stream using NSStream.

A little bit of background – the application communicates to the server via HTML Post, then communicates with a local wifi device via socket stream, then back to the server via Post, then back to the device via socket stream.

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1 Answer

  1. Editorial Team

    I’m not sure if you’re looking to detect an error, or if you just want to notify the user if you do. If it is the latter, look at the UIAlert class, which you can use to post up a dialog-type view to the user. If the former, both http processing and NSStream have error returns – just check them in your code, and put up the UIAlert.

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