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<https://stackoverflow.com/questions/48320135/elevated-response-times-in-nfc-dialog-on-android-app#>

Hi to all the Community

I am experiencing an uncommon problem with a card emulation android app. 
When receiving an APDU from a card reader, the processCommandApdu() method 
extended from HostApduService gives a processing time of less than 1 ms 
(measured with System.nanotime(), but the processing time reported by the 
host application / simulator adds about 30 ms to that time, so the APDU is 
processed by the host PC in about 30 ms.

The app is a very simple skeleton with just the minimum features and code 
as described by Google, and the response is hardcoded.

Does anyone have and idea of the possible reason for this behavior?

Many thanks in advance.

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