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Discussion in 'Android Hacks and Help' started by miamidroid, Feb 2, 2010.
Like the title states, is there anyway to cache the maps on the sd card?
Yes and no. You can change the app to cache to the SD card, but you can't force it to cache anything it wasn't already going to. It's just a matter of moving the cache directory to the SD card and creating a symbolic link.
Also, I've noticed a lot of force-closes with the maps application when you cache to the SD card - when the phone boots up or any time the SD card gets mounted via USB the maps app crashes.
Is this technique anything you can describe here, or are willing? I have been beating my head against this wall in maps trying to find a way, or even trying to find where these maps are cached on the phone. I live and work in an area where I go in and out of 3g, and would love to know how to "preload" maps. I am a fairly savy phone user/hacker, and I can live with limitations.
There's no method for preloading - the maps app already caches in /data/data/com.google.android.apps.maps
As far as I could tell, there was no way to force it to cache MORE maps, or to cache specific maps - it's just a normal operational cache. Moving it to the SD card accomplished nothing.
Oruxmaps. I use offline maps all the time. My friend compiles em for me though.
Oh, and you're only allowed to download 500MB of map data from google maps a day.
Thank you sir, for the explanation. That was kinda what I was experiencing, although I did not get as far as you. I have tried the My Maps, but that feature is totally lame for what I was hoping to do.
And Cplus, I owe you big for that link. I have tried searching the android market for a program like that, but my searches always have been so broad that I end up with 100 pages of things to look at.
I am a Land Surveyor by profession, so what I looked at briefly is no problem. I work with imagery almost on a daily basis, so georeferenceing, converting, etc. are no problems. Not looking to abuse anything, just something to help make my phone move a little closer to my handheld gps devices.
Offline Mapping for Droid
For offline mapping, I have used Oruxmaps, RMaps, ANDNAV, and some others, and so far Orux is my favorite. Trimble Outdoors ($10) has many of the same features, except it's paid, and in order to cache the maps, you need to scroll through your path on your phone at all zoom levels for your task, which is not efficient for the length of some of my excursions. Plus, no Aerial Images, just Satellite, Topo, and Street. I will keep an eye on Trimble though, because it has many powerful features and is likey to get better.
Creating offline maps for Orux is actually pretty easy...just go to the Orux website, download their link to TrekBuddy, and use TrekBuddy to cut and download your maps. You can get topo, street, and aerial maps in several different versions. With the Google Earth Aerial images, you are restricted to 600 tiles per IP for certain regions, so it may take a few days to load your whole trip of aerial.
I use Rmaps, I've got 5gb of maps on my SDcard, you can make maps yourself and get ultra high res terrain and sat images anywhere, I was testing this when I got frostbite and thus suddenly had a lot of time to post on droidforums
Why is this thread 1 star?? It has all you need for the question asked. Caching maps is hard work, mainly for dedicated enthusiasts. And it seems to be worth it. I traded my modding knowledge for current offline map database but when I want more, I'm eventually going to have to learn how to use trekbuddy. Anyway, 5 Stars
Could you send me a copy please? My mail addr: firstname.lastname@example.org.
I download "OruxMapsDesktop" and "Mobile Atlas Creator 1.8 beta 3", but neither of them seem to provide the function of downloading google maps cache for android phones.
You can just search the market for Oruxmaps. It's a free app, and since last year it's been updated considerably. It also allows map caching straight from your phone now, with no extra PC software needed such as Trekbuddy. For larger trips it is easier to use Trekbuddy. A free special version of Trekbuddy for exporting to Orux is available at the Orux website.