1) Display the values on the screen and have the user write them down.

2) Learn how to write to a file.

3) Use a constantly-running server to store them.

On Jul 29, 10:37 am, Bret Foreman <bret.fore...@gmail.com> wrote:
> I want to monitor the velocity of a phone. I can do this by looking at
> accelerometer data over the last 30 seconds, saving about one sample
> every 0.1 seconds (300 samples) and applying a sliding filter to the
> data. If I create a service to do this, what's the best way to
> preserve the state of the filter (600 doubles) between an onDestroy
> and a subsequent onCreate? I can set up an SQLite table to hold the
> values but that's a lot of extra coding and processing overhead. Is
> there a better way?

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