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Google Maps with GPS and Tether.

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thedudevt

Member
Nov 19, 2010
27
6
Here's how I got my gTab to do GPS navigation using the GPS and 3G network from my Droid1 (android) phone.

Warning! This takes time to get set up, do us all a favor and don't try to do this while driving. We need you here to discover other clever hacks ;)
Oh yeah, this absolutely sucks battery from your phone. make sure the phone is plugged in.

You'll need to set up two connections between your gTab and data phone: Wireless Tether and Bluetooth GPS.

I'll assume both devices are rooted. I don't know which mod I have on my phone, but on the gtab, I have TnT Lite v2.00. If this works on other mods, please post.

Setup on the Phone:

Install WirelessTether (free from the market) This creates a wireless Ad-Hoc AP that your gTab can connect to for internet access.
Install ShareGPS (free from the market) This outputs the GPS signal over bluetooth your gTab can connect to for GPS data.

Setup on the gTab:

Patch /system/bin/wpa_supplicant - see here for details - http://forum.xda-developers.com/showthread.php?t=754961 This allows the gTab to connect to Ad-Hoc (as opposed to Infrastructure) wireless APs. I personally extracted the file from the zip file in the link and overwrote the one in my gTab using Root Explorer.

Go to Setting->Applications->Development and check "Allow Mock Locations"
Install Bluetooth GPS (free from the market)

Once you've got the apps installed, you can try it out.

Pair your phone and gTab:
Turn on Bluetooth on the phone.
Settings->Wireless & networks->Bluetooth Settings Check Discoverable
On the gTab, Settings->Wireless & networks->Bluetooth Settings Check Scan for devices.
Click on your phone to pair
Click "Pair" on the Pair Request popup on both the phone and gTab.
You only have to do this part once.


Start the Tether:
On the Phone, Start Wireless Tether. Press the screen to start the tether.

Turn on Wi-Fi if it's not on already
On the gTab, go to Settings->Wireless & networks->Wi-Fi Settings
connect to (*)AndroidTether

Start the GPS Sharing:
On the Phone, run ShareGPS - Wait for a GPS fix, you'll see a LAT/LONG on the screen.
On the gTab start Blutooth GPS, Check the box for "Enable Mock GPS Provider", Select your phone and Press Connect
You should now see GPS data in the Main Tab.
Click the Map Tab and see your location on the map! W00t!
Start Google Maps

You know it from here. Navigation works, but I think the mic might not be up to the task for voice search.

Big Thanks to roebeet, and eveyone else for making this possible.

TheDude
 

switt

Senior Member
Mar 13, 2008
113
3
Very cool! Works great on my phone, Evo, w/o mods since Android tether has infrastructure mode and tablet with CM B4.

You werent kidding about battery use. I have 4G going, BT, and Wireless. Power usage fluctuates between 550 and 750 Ma.
 
Last edited:
Nov 26, 2010
20
0
sweet! thanks, I got the bluegps for droid which works on my N1. If you have N1 you do not have to install all those ad-hoc crap.

Here is what I did with my N1
N1: install shareGPS beta (free)

g-tablet:download and install blue-gps for droid

google bluetooth gps and click on sourceforge version

1) turn on bluetooth on both and pair with g-tablet.
2) turn on gps on N1
3) turn on tethering on N1
4) enable mock location on G-tablet
5) open maps and navigate!

then you are done!
 

katmandu421

Senior Member
Sep 8, 2008
779
10
Denver
Start the GPS Sharing:
On the Phone, run ShareGPS - Wait for a GPS fix, you'll see a LAT/LONG on the screen.
On the gTab start Blutooth GPS, Check the box for "Enable Mock GPS Provider", Select your phone and Press Connect
You should now see GPS data in the Main Tab.
Click the Map Tab and see your location on the map! W00t!
Start Google Maps

You know it from here. Navigation works, but I think the mic might not be up to the task for voice search.

Big Thanks to roebeet, and eveyone else for making this possible.

TheDude

Hmm, I'm not seeing any "enable mock GPS provider" in free bluetooth GPS version. Is that a feature of the paid version?

I'm connected and my EVO is sending data according to ShareGPS but Bluetoothe GPS on the tab just sits and waits for a fix.
 

ranjumathew

Member
Nov 25, 2010
12
0
Austin
Is anyone looking at getting the GPS data by WIFI? Since we have to make a WIFI connection to the phone anyway, it would be nice if we could transfer the GPS data using the same method, thereby reducing the number of components that could cause problems.
 
Nov 26, 2010
20
0
Actually bluetooth gps is the best solution since there are myraid of bluetooth gps devices out there. Moreover, gps data via bluetooth is proven to work. Wifi would require you to set up another port to handle gps information. I suppose it can be done...
 

aaron19953

Senior Member
Jan 27, 2008
175
49
Just a quick FYI

Using a Droid(1) w/
Wireless Tether
ShareGPS

G-Tab (tnt2) w/
Bluetooth GPS (app)

About every 5 seconds or so, my tab would show me out in the ocean for a millisecond, and then back to the location. On the droid within ShareGPS>Settings> set "Create NMEA" to ON. This solved the problem immediately.

When I connected my TeleNav GPS (instead of the Droid) i didn't have this problem as it already transmits NMEA data.

thanks for the tips guys !! The lack of GPS is one of the few things i was disappointed about having to live with, NOT NOW !!! yaaahoo..

-=<> Aaron <>=-
 
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Acturbo

Senior Member
Nov 27, 2010
186
9
Wilmington, DE
Ayyone tried this with the Navigon app? It downloads all maps to the SD so it should elimiinate the need for Wifi. Obviously would not get traffic updates but the less devices running in the car for me the better.
 

teobh

Senior Member
Jul 5, 2010
50
0
hi im trying to install the bluetooth gps on my gtab but is not showing up on my market i try to install by using the titanium backup did not work too, so can anybody help me
 

myndwire

Senior Member
Aug 5, 2008
619
10
Pittsburgh
i had the same issue. installed to my phone, pulled the apk, transferred it over (yes, that's the easiest way), and on the FINAL step of getting this to work (upon clicking allow mock location on the tab) -- force close of the bluetooth gps app. i'm rebooting, but i dunno if it's going to work...

anyone else on tnt_lite 2.2 having this issue?! sucks. wouldn't be an issue on cm6.1b4 i'm sure....
 

aaron19953

Senior Member
Jan 27, 2008
175
49
i first paired my phone and allowed mock locations within the ANDROID settings before launching bluetooth gps.. I had a similar issue before doing this.
 

myndwire

Senior Member
Aug 5, 2008
619
10
Pittsburgh
i first paired my phone and allowed mock locations within the ANDROID settings before launching bluetooth gps.. I had a similar issue before doing this.

i JUST thought about doing this -- i'm going to flash default settings for tnt, turn that on, then flash back and hopefully i'll be good to go :)

edit -- that did it. looking good now, although maps is flashing at me in a strange manor, probably due to being indoors and my evo being unable to lock on too strong. either way, kudos for the advice!
 
Last edited:

jpmi23

Senior Member
Oct 24, 2008
328
33
Detroit-Metro
twitter.com
Something's wrong...

I can get connected (shows tablet connect on the phone), but my GTab doesn't pick up my location. Am I supposed to to the patch on my phone too? (HTC Hero CDMA rooted, stock. TnT 2.2 on the tab.)

Thanks in advance!
 

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  • 6
    Here's how I got my gTab to do GPS navigation using the GPS and 3G network from my Droid1 (android) phone.

    Warning! This takes time to get set up, do us all a favor and don't try to do this while driving. We need you here to discover other clever hacks ;)
    Oh yeah, this absolutely sucks battery from your phone. make sure the phone is plugged in.

    You'll need to set up two connections between your gTab and data phone: Wireless Tether and Bluetooth GPS.

    I'll assume both devices are rooted. I don't know which mod I have on my phone, but on the gtab, I have TnT Lite v2.00. If this works on other mods, please post.

    Setup on the Phone:

    Install WirelessTether (free from the market) This creates a wireless Ad-Hoc AP that your gTab can connect to for internet access.
    Install ShareGPS (free from the market) This outputs the GPS signal over bluetooth your gTab can connect to for GPS data.

    Setup on the gTab:

    Patch /system/bin/wpa_supplicant - see here for details - http://forum.xda-developers.com/showthread.php?t=754961 This allows the gTab to connect to Ad-Hoc (as opposed to Infrastructure) wireless APs. I personally extracted the file from the zip file in the link and overwrote the one in my gTab using Root Explorer.

    Go to Setting->Applications->Development and check "Allow Mock Locations"
    Install Bluetooth GPS (free from the market)

    Once you've got the apps installed, you can try it out.

    Pair your phone and gTab:
    Turn on Bluetooth on the phone.
    Settings->Wireless & networks->Bluetooth Settings Check Discoverable
    On the gTab, Settings->Wireless & networks->Bluetooth Settings Check Scan for devices.
    Click on your phone to pair
    Click "Pair" on the Pair Request popup on both the phone and gTab.
    You only have to do this part once.


    Start the Tether:
    On the Phone, Start Wireless Tether. Press the screen to start the tether.

    Turn on Wi-Fi if it's not on already
    On the gTab, go to Settings->Wireless & networks->Wi-Fi Settings
    connect to (*)AndroidTether

    Start the GPS Sharing:
    On the Phone, run ShareGPS - Wait for a GPS fix, you'll see a LAT/LONG on the screen.
    On the gTab start Blutooth GPS, Check the box for "Enable Mock GPS Provider", Select your phone and Press Connect
    You should now see GPS data in the Main Tab.
    Click the Map Tab and see your location on the map! W00t!
    Start Google Maps

    You know it from here. Navigation works, but I think the mic might not be up to the task for voice search.

    Big Thanks to roebeet, and eveyone else for making this possible.

    TheDude
    1
    Just a quick FYI

    Using a Droid(1) w/
    Wireless Tether
    ShareGPS

    G-Tab (tnt2) w/
    Bluetooth GPS (app)

    About every 5 seconds or so, my tab would show me out in the ocean for a millisecond, and then back to the location. On the droid within ShareGPS>Settings> set "Create NMEA" to ON. This solved the problem immediately.

    When I connected my TeleNav GPS (instead of the Droid) i didn't have this problem as it already transmits NMEA data.

    thanks for the tips guys !! The lack of GPS is one of the few things i was disappointed about having to live with, NOT NOW !!! yaaahoo..

    -=<> Aaron <>=-
    1
    I was having trouble with bluegps, it was showing me in the atlantic ocean off the coast of Moroco. The googoo apk is working perfectly but now when I view regular maps the map screen flashes between the map and no map (like it is zoomed in too far). I have a Droid 2 running the VEGAn beta 3 and google maps 5 update. Any ideas??


    see post number 12 in this thread
    1
    that would be very helpful to alot of us!!!


    Cool. I'll get started on it and let you know when I have a demo ready. :)