sms,MMS, and Push Notificstions

Stephen Barncard stephen at barncard.com
Mon Aug 14 19:18:38 EDT 2017


If I were to create an emergency alert app, I'd make something that stayed
alive and was always verifying the existence of a central entity - web
site, server etc. and the fail safe is that the user would be alerted when
out of range.   An 'always on' executable that would have to be carefully
crafted to not take up too much battery energy, yet ping headquarters for a
change every few seconds, then go into alert mode when the latest check
reveals the emergency.

It would be part of the routine of the wearer (fireman, whatever) to 'check
in' with the server and verify correct operation, then just keep it running
all day. The data would be minimal and UDP packets have incredibly low
latency - even a voice alert could be sent real time - VOIP.

I have no idea how the power usage would be handled in that case - the
continuous  pinging could drain the battery too quickly depending on how
it's done. But there is the challenge!

--
Stephen Barncard - Sebastopol Ca. USA -
mixstream.org

On Mon, Aug 14, 2017 at 3:25 PM, William Prothero via use-livecode <
use-livecode at lists.runrev.com> wrote:

> Thanks. Looks interesting. It also looks like I'd have to learn a lot to
> get it implemented. I’ve been using cURL to access an API for water meter
> readings, and it’s painful, but would probably get easier.
>
> This looks like a good provider, tho.
> Best,
> Bill P
>
> > On Aug 14, 2017, at 1:42 PM, Simon Smith via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >
> > I would look at push notifications. onesignal.com looks quiet good, just
> > not had a chance to play with it yet.
> >
> > I have found that SMS messages are too unreliable when it comes to
> > emergency notifications, sometimes they come through, sometimes they
> don't
> > and sometimes they come through an hour or so later.
> >
> > Simon
> >
> >
> > Carpe diem
> >
> > *Simon Smith*
> > m. +27 83 306 7862
> >
> > On Mon, Aug 14, 2017 at 9:19 PM, ELS prothero via use-livecode <
> > use-livecode at lists.runrev.com> wrote:
> >
> >> I’m curious. Has anybody done much with push notifications on mobile?
> >> There is a lesson on the livecode web site which is quite detailed, but
> >> leaves out the server side of the equation. I have been thinking about
> an
> >> emergency alert app and am exploring how difficult it would be to
> implement
> >> various communication technologies. Texts seem pretty straighforward,
> but I
> >> was thinking that push notifications might get more attention.
> >>
> >> The goal is to get the information to the recipient’s brain. It can get
> to
> >> the device, but unless the last (weak link) is traversed, the alert is
> >> ineffective. The target time for this is 15 minutes.
> >>
> >> I’ve Googled the heck out of these topics and there are really nice
> >> expensive services that can do the job, but we don’t want to pay the
> high
> >> fees. Others are marketing oriented, not optimized for emergency
> services.
> >> A custom app could be ideal, especially with increasing wildfire
> activity
> >> worldwide.
> >>
> >> Ideas and info?
> >> Best,
> >> Bill
> >>
> >> William Prothero, PhD
> >> Professor Emeritus
> >> University of California, Santa Barbara
> >> http://earthlearningsolutions.org
> >>
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