In iOS, Settings/Cellular/Cellular Data there is on/off switch. pb
On Jul 2, 2017, at 9:16 PM, Sannyasin Brahmanathaswami via use-livecode <use-livecode@lists.runrev.com> wrote: > Good thoughts, > > Spotify actually will inform you that you don't have a connection even if you > have 3G up.. > > I would like to know how they do that.. because my app *can* ping our server > over 3G… but Spotify deems the connection insufficient to stream music and > displays the "disconnected" icon. So this goes to the speed testing you are > looking for.. > > I suspect another issue. I won't know for sure until I test tomorrow. But the > mere act of "fishing on the internet" may hang the OS on mobile. > > ergo.. on desktop this works > > function pingServer > # call from any where to inform user and disable activities > # that require internet access to our server or any the external service > put url "https://www.himalayanacademy.com/ping.txt"; into sOnlineStatus > return sOnlineStatus > end pingServer > > and if I unplug ethernet and turn off wifi I can run from the msg box "put > pingServer()" and not happens.. just returns empty > > but my current behavior (still to be sorted) indicates that just try to fetch > a URL, without a connection causes my app to hang. > > I only discovered this serendipitously when the local router in our > neighborhood suddenly started having trouble. We thought it was local to our > LAN-place but the ISP in town said "People all over that area are > complaining, their internet dropping on and off." of course has to happen on > 4th July weekend (hehe) > > My phone was connected to the local wifi→ to our modem → out the door down > the street the "regional" router. I was trying to show off my app and it > would just hang on modules that expecting connectivity. but I *did* have my > ping test functional. > > I have similar/parallel issues with in house apps that test to see if the LAN > network is up or not. You can do peculiar things that cause Apple's network > API to stop and think for 2 minutes! > > Leads to 2 further questions > > 1) is there a low level check on iOS/Android for connectivity that we can use > vs calling out to our server? Some people use Google DNS servers for this > test, but it would be *any* http request. > -- I looked through all dictionary entries for "mobile*" and found nothing > relevant, though possibly there is some sensor we can query? > 2) anyone know how to turn off connectivity, on your phone, even if you have > your sim card in? I'm not finding a way to actually turn off LTE or 3G access. > -- I missing something simple there… on my Nexus 5 I don't have a SIM card > (used only for testing, no cellular or data plan) but I can do everything if > I am in proximity of our wifi, so for android I can just turn off wifi and > the phone is "off line" for sure, but iOS? > > > BR > > > > > On 7/2/17, 4:44 PM, "use-livecode on behalf of Peter Bogdanoff via > use-livecode" <use-livecode-boun...@lists.runrev.com on behalf of > use-livecode@lists.runrev.com> wrote: > > I’m also very interested in this. > > I’m thinking that it might be possible to use a LC-only method: > 1. A player control starts downloading a known-size media file. > > 2. The player reports when its <status> is no longer “loading,” then you > calculate the data rate based on the elapsed time. > (In LC for Windows only, the player has a loadedTime property with which > one could presumably calculate data rate.) > > 3. Possibly another method would be to set the callbacks of the player, > such as one callback every 500 milliseconds. You would use a timer to figure > how long it takes to receive each callback. If they are arriving every half > second for a large file, then the speed needle would move the “Good” range. > If the download is slow, the callbacks would be late, and the needle would > move to the “you must be a rural Internet customer” area. > > This kind of thing would require a “speed test” event before the results > could be reported to the user. > > Creating/testing this might be a challenge if you happen to have a good > connection. You would have to somehow slow down your speed, or have someone > else test it who does have a slow connection. Also, after loading a file, LC > keeps it in a cache unless you dump it. > > Peter Bogdanoff > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
