On Jun 10, 9:48 pm, Slater <easwar.satras...@gmail.com> wrote:
> - Currently there is no mechanism built into android that allows an
> app to be closed. I see that you can close the main acitivity, but
> the user can always press the back button and go back into the app.
>
> - After trial period, the user can always un-install the app and re-
> install it. What do I do to prevent this from happening?
Check it online. Have the users Phone ID compared with the one in your
database (on your website) to get the date of first activation.
However, then you have to make regular checks (i.e. daily).
Another way is, do hardcode it. This way the user can't circumvent it
unless they set back the internal time of their phones. Which is kind
of useless as stuff like calendar, alerts and similar stuff wouldn't
work acurately anymore.
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