Heavy traffic on server causes app to force close

I have developed an app to commu开发者_JS百科nicate with my own server and published it. However, sometimes the app force closes. I know there is no bug in the code because the app works properly most of the time, but sometimes it is waiting for an answer from the server forever. I think this is due to the fact that so many people are using the app, and the app refreshes every 1 second or so, so this heavy traffic causes the server to take a large amount of time to respond. So how do you take care of such a use case? should I have a use case where if the server does not respond after some time you just stop the app and throw a message saying that the server is not responding or something like that?

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Right now, your main application is timing out due to server load. If you put your connection details in a thread, you will be able to avoid having that main thread time out. You can check for updated data from the connection thread (through some shared object) and then present a message to the user if the data has stopped.

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It sounds like you have your server communication code within your main Activity. Any code running in this Activity will be run in the main UI thread. If your code sends a request to your server, and is then waiting for a response, the main UI thread is blocked until your server responds. The Android OS recognises that the UI thread has effectively hung, and kills your app.

What you need to do is to separate out the UI code in your Activity from the server communication code. You should move this into an AsyncTask or a new Thread/Handler combination. This will allow the UI to remain responsive even when your server is under load.

• Documentation for AsyncTask
• Designing for Responsiveness
• Android Thread Messaging
• Thread example