Android Intent QUestions

I'm currenly doing this when i clicked a button

    Intent service = new Intent(this, LocationCheckingService.class);
        startService(service);

if i where to click this button multiple times does it result in multiple thread being invoked? possible to prevent mu开发者_如何学Cltiple service? cause i would only require one service

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You can not run multiple instances of a Service: see http://developer.android.com/guide/topics/fundamentals/services.html#StartingAService

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there can be only one instace of service. no matter how many times you starts see this discussion