Background process in android

I would like read the file and upload to server in the backgro开发者_如何学Pythonund which is not require any interaction with the user.which concept is suitable for this? 1.IntentService 2.Async Task 3.Service

please suggest me. Thanks

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You can also use standard java Thread for this.

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I think service is better option because it runs in background and suitable for long running background process such as I/O Operation . Service might handle network transactions, play music, perform file I/O, or interact with a content provider, all from the background without user interaction.