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JRoDDz

macrumors 68000
Original poster
Jul 2, 2009
1,960
215
NYC
I noticed when I do a location based reminder, the GPS arrow on the top right of my screen stays there. Is this normal?
 
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Mines sometimes there and sometimes isn't
 
Is this really normal?

I just noticed this today, the first time using this feature. I set a reminder to go off when I come home from work.

Going into Settings > Location Services shows a purple arrow next to Reminders, indicating that it's "currently using your location." Does it really have to constantly monitor my location rather than pinging it every 10 - 15 minutes? Won't having the GPS constantly on for 8+ hours muder the battery?
 
What's the sense in having a location-based reminder if it's going to be delivered 15 minutes late?
I must be one of the few people here not launching a space shuttle upon returning from work. I'm turning this **** off for now.
 
What's more annoying is the gps arrow stays on even after the reminder has been displayed and when you have no more location based reminders.

Can anyone explain why this is?
 
What's more annoying is the gps arrow stays on even after the reminder has been displayed and when you have no more location based reminders.

Can anyone explain why this is?

No explanation needed - just go to Location Services and see which application has the purple arrow next to it.
 
Location Based reminders = Battery Hog. Has anyone used location based reminders and gotten decent battery life?
 
8-9 hr battery life here with gps on and location reminds once in a while along with internet usage n 3g on half of the time or more
 
The location services icon does not mean the GPS is on all the time. It simply means an application is requesting your location. This can be done at a coarse level via cell towers, or a more granular level using GPS. The Reminders app can dynamically choose which of these methods it uses depending on how close you are to the location in question. The phone can tell if you're far away (based on the cell towers it detects) and knows it doesn't need to turn on the GPS for a more fine-grained fix. As you get closer to the location in question, it will turn on the GPS to know precisely when you arrive.
 
I decided to not try after i set one to remind me when I left my house, and it was about 6 miles away before it triggered.

I'd like to set one at a store to remind me about a prescription refill and such, but heck, I only live 2 miles from the pharmacy!

I figure with the hit to battery life I will only use it when i really need too.
 
It's a nice feature but does hurt battery life pretty bad. I only use it when have something really important I need, and it works really good for me.
 
I've been using them for a while now with no adverse effects on my battery life.

Then again, I've had my iPhone 4 (naked) since launch and haven't had any issues with the antenna either.
 
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