Android Auto Proxy
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[Android 4. 1+]Proxy/GateWay for Android Auto | XDA Forums
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– Couple of years ago Google have launched Android Auto, but up till recently the only way to connect your device to the car/head unit was to plug in a USB cable. As of 2018 this starts to change, BUT it looks like you will need to get new hardware for this and older cars/head units won’t be upgraded to support this, neither phones with older OS.
– Since many of us will like to have this wire free but not ready / willing or have the possibility to upgrade the units/cars/phones I have thought of a way to achieve this, by using a small auxiliary device, like for example a very cheap and basic Android TV stick, which can be plugged in/mounted in the car and which can fulfil the roll of a Wifi antenna for your car.
This app should allow you to transform any android powered device into a Wifi receiver for your Android Auto compatible Car/Headunit. Please do not confuse Android Auto, with Android powered headunit (usually Chinese, like MTCB, MTCD, Joying, etc).
Beta released (04. 01. 2020)
What is it?
AAGateWay is a an app which should allow you to use an auxiliary (slave) device to connect your existing Android Auto compatible car to your phone (master) using a hotspot created on your phone.
How to use it?
1) Install the app using XDA Labs (Only on SLAVE): 2) Configure
FOR BOTH ROOTED AND NOT-ROOTED SLAVES
CASE 1: Master is running Pie or higher
Pair Master and Slave over BT (do this from the normal BT settings)
If slave is ROOTED and ONLY if you are using a TV STICK convert the app to system app. (if app not visible after conversion, reboot device)
Enable the start tethering option (If asked make sure you manually configure the hotspot, to have the name HUR and the password AndroidAutoConnect)
Select the masters phone BT MAC
CASE 2: Master is running Android 8 or lower
Create a Wifi hotspot from the master
Connect slave to it
Reopen AAGateWay and select the masters hotspot from the “Phone Wifi SSID” list
Slave is ROOTED – This will give a much bigger compatibility with cars, it should work with any car/unit (but depends a lot on the slave used, read below)
Slave is NOT ROOTED – This mode won’t work on all cars and it has caveats.
Install WiFi Launcher for HUR ()
Make sure WiFi Launcher is version 2. 1 or higher!!!
Open WiFi Launcher
FOR Android 10, set permission location to ALWAYS!!!!!!
Select slaves BT from the BT list and exit
DO NOT ENABLE ANY OF THE OTHER OPTIONS!!!!
If you do not want to use WiFi Launcher you can use the following Tasker task to launch AA on any condition you want: CASE 2: Master is running Android 8 or lower
Open Android Auto, go to Settings, scroll down tap the version 10 times, then from the 3 dotted top right corner select start headunti server.
Exit Android Auto
Leave the Headunit Server running
When you get into the car turn on the hotspot on the master (or use Tasker, automate or anything else do that for you)
Go to the car, plug in the slave to the car’s USB and start the car
Slave is ROOTED
Nothing should happen, car should NOT detect the phone (SLAVE) at this stage. If the car does detect the slave being connected, it means your slave doesn’t allow a proper USB toggle, in which case you should try enabling non-root mode.
Master is Pie and above
If you selected to tether from the slave, at this point you should see the slave turning on the hotspot, otherwise you might see the slave trying to connect to a Wifi network.
Slave will notify master
Master will automatically start WiFi Launcher
Master will connect to slaves hotspot
Master will start AA on the phone and notifies slave
Slave will enable USB
If you are using a phone as slave you will get a prompt if you want to use AAGW as the default app for this action, make sure you select ALWAYS ans yes. (TV stick should work automatically)
Projection should start
Slave is NOT-ROOTED (or running in non-root mode)
You will get a prompt to use AAGateWay for this action, make sure you select always.
Car should display a splah-screen saying waiting for master. (on some car’s screen you might see a scrambled image)
After splash-screen is displayed, the slave will start tethering, or will try to connect to the masters hotspot depending on the setting.
Once a network connection is established between the 2 devices, you will see the AA icon turning on on the master and Android Auto should be displayed on the car’s screen. It is possible that the screen will stay /turn black, if that happens, you can try to press the home button on the infotainment system, then re-open Android Auto on it.
Troubleshoot and getting help
As the thread has so much information it will be really nice if we can try to stick to one format of troubleshooting, by using one of this 2 templates:
Master is running Pie or above and slave is tethering:
Running in root mode: (Yes/No)
If running in non-root mode, is the splashscreen visible on the car: (Yes/No)
If running in non-root mode, did you set the masters BT inside AAGW app? : (Yes/No)
Did the slave actually turned on the hotspot on the slave: (Yes/No)
On the master did you select the slaves BT in the Wifi Launcher app? : (Yes/No)
When the master connected to the car’s BT did the Wifi launcher app started up? : (Yes/No)
Did the master connected to the slaves hotspot? : (Yes/No)
Did the AA icon appeared on the master at all (in the notification bar)? : (Yes/No)
Master is running Oreo or below and master is tethering:
Did you select the masters hotspot name in AAGW? : (Yes/No)
Have you started the Headunit server on the master? : (Yes/No)
On the master did you select the cars BT in the Wifi Launcher app? : (Yes/No)
When the master connected to the car’s BT did the Wifi launcher app started up (notification bar)? : (Yes/No)
Did the master turned on the hotspot? : (Yes/No)
Did the slave connected to the masters hotspot? : (Yes/No)
Getting rid of all automation and manually starting it all (regardless of Android version on master and slave):
Uninstall AAGW on the master
Start the headunit server from within Android Auto on the master
Create a hotspot on the master
Open AAGW on the slave and make sure it’s not set to tether
in AAGW make sure you select the masters hotspot
If AAGW is set to non-root mode make sure you select the masters BT (just press the button AAGW will do a BT scan of nearby devices and you can pick it from the list)
Go to the car and plug the slave in
Start the car
If slave is running in ROOT mode, slave will first try to connect to the masters Wifi and you will see a notification on the master that AA is running, only then the car should recognise a plugged in device.
If the slave is running in non-root mode, first you will see a splash screen on the car, then you will see slave connects to masters Wifi (if not already connected), then you will see AA starting on the master.
How do I collect a bug report / logcat
Open Settings > About phone.
Scroll down to the Build number.
Tap the Build number 7 times in quick succession until “You’re now a developer” appears.
Return to the Settings menu and select Developer options.
At the top of the screen, make sure ‘Developer options’ is set to On (green).
Scroll down to Debugging and enable both USB debugging and Bug Report Shortcut on (green).
Tab on Logger buffer sizes: Default setting is 256K. Select 16M to help capture more information for debugging. Of note, it can affect the apps performance especially with lower spec phone, so change it back after you have finished submitting bug reports.
On slave make sure you enable debugging inside AAGW, on master open Android Auto go to developer settings and make sure force logging is enabled.
Reproduce the problem
Hold the Power button down until the menu appears.
Select Take bug report. and wait for the device to capture the bug report.
Tap the ‘Bug report captured’ notification when it appears.
Send the bug report by email to [email protected]
Know problems, workaround:
– Latency & lag. This will be really down to the devices you are using. I have tested it with a MK808B Plus, it work’s ok most of the time but occasionally you will get the odd lag. I’ve also tested it with a Nexus 7 tablet, and there was no lag at all, so device does matter, as well as probably ROM.
– I get random disconnection. There can be 2 causes for this, one the USB connection fails between the car and the auxiliary device, or the Wifi fails between the phone and the auxiliary device. In my tests I saw a few Wifi disconnections without any reason on the MK808, but non on the Nexus. Changing the tethering option from WPA2 to Open did help with this.
– App is closed without error or reason. The app runs in a background process, with a minimal interaction with the foreground, some devices/OS will kill background apps. I saw this happening on Nokia and I saw this happening on OnePlus as well. Try disabling battery optimisation for AAGateWay, that might help.
– I just cannot get it to work… Try using a phone, that will at least give you some visual guidance. Make sure that your device connects to the phone Wifi hotspot, make sure that AA Headunit server is running on the phone (try to force stop Goolge Play Services, stop and restart the headunit server)… All fails contact me
– Nothing happens on the master, using Wifi Launcher for HUR app. In this case, try to manually start the headunit server on the master, and manually turn on a hotspot, then reconfigure you’re slave to connect to the masters hotspot (even if the master is running Pie or higher).
Any phone which normally works with Android Auto
Slave with ROOT:
– Tested and know to work: – MK809V, Nexus 7 (depending on rom), Sony X Compact (depending on rom)
-Tested and not working as expected: Pixel 2, MK808B
– While root is necessary, not all phones can toggle USB port on and off by software. And there can be other problems, for example on some devices when you turn off the USB the phone loses the ability to detect the power connection as well, which is use as trigger to start the whole process. It is almost impossible to predict if a phone will be a good slave candidate or not.
– Xiaomi phones (MIUI makes a mess), try not to use it for Slave
– Generally older phones (pre oreo) are more likely to work fine as a slave device.
Any suggested slave?
– Yes, use an MK809V TV stick, as the experience with it, is pretty slick and it should work out of the box. If you get a MK809IV try to get the one with Android 5. 1. 1 as the one with Android 7. 1 has problems with the tethering.
Q: Can I use this with any car and phone combination?
A: Assuming your car is already Android Auto compatible, then YES.
Q: Can I also automate the start of the Headunit server?
A: Only with a rooted phone, using the following shell command: am startservice -W
Q: Can I use Wifi-Direct to connect instead of WIfi?
Q: Does the traffic come out from my monthly data allowance?
A: NO, traffic between auxiliary device and phone hotspot does NOT count as internet traffic, HOWEVER if you do have other apps on the auxiliary device which download updates, etc in the background that WILL be counted as internet traffic. So I suggest double check the apps on the aux device and disable all those which aren’t needed.
Q: Will the car/head unit provide enough power?
A: It should provide at least 500mA that’s the standard USB current, while I cannot guarantee that will be enough in all cases, it should do, assuming you do turn off all unneeded services on the TV stick.
Q. What about start up time?
A. It will depend a lot on the device you are using. A low-entry TV stick boot time is about 1 minute, which can be a bit too much for an initial car setup. As mentioned earlier, these devices usually have 2 USB ports, you can for example connect the power USB port to a continues power supply in the car, in which case the boot time will be non-existent since the device is always running. If you are using a phone, the phone battery will probably hold the charge just fine for a couple of days, if you disable all apps on it and you set up a profile to go into aeroplane mode when it’s not charging. Tasker or Automate are your friends for that. If you cannot connect the TV stick to a continues power source, you might consider using a small portable power pack which powers the tv stick (should hold power for a few days) and the power pack can be charged while the car is running.
Q. Can I decrease boot time for TV Sticks/Phones by removing all unrelated software.
A. Yes, actually quite a lot. Once you have your configuration ready and everything is working as expected, you can uninstall/disable all packages beside this ones:
ll_launcer (or any other launcher, but NULL launcher has no memory consumption, no app drawer no nothing, perfect for headless – see:)
Easy way to list / disable all apps will be using a computer and following commands
adb shell pm list packages
This will list all installed packages
adb shell pm disable xxxx
where you replace xxxx with the package name (Ex:)
Q. Will using Wifi 5Ghz give me better performance?
A. Well if both of your devices support it, SURE!
Q. Is the source code available?
A. Sort-of, please see: this is only for the sketch, however new version does contain code which lift restrictions on 3rd party apps in Android Auto. To prevent the abuse of this by some, further code won’t be updated to GitHub, however if you want to build your own version, please do contact me for details.
Guarantee or Warranty
– Due to the fact that there are so many possibilities and combinations of cars, head units, slave and master devices, there is no way for me to test all of them, however if you did purchase the software and you are not able to get it to work for any reason, please email me on [email protected] and I’m more then happy to refund the purchase.
VERY interested in the progress on this, Emil. For one, this would allow me to charge my Samsung using the Quick Charge adapter in my cigarette lighter, rather than relying on the anemic power output of my truck’s USB port. Or if I want to get fancy, I could install a wireless charger and use that.
Thanks for all of your hard work.
Sent from my SM-G935V using Tapatalk
Inactive Recognized Developer
What about original headunits that have integrated Wifi, but do not have Wireless Android Auto enabled? Is this something that you could enable to work as well?
Another great idea.
Sent from my iPad using Tapatalk
I thought of you instantly when I saw this thread on Reddit, but didn’t imagine that you were the creator.
Congratulations and thanks again!
Sadly no, that will require altering the firmware on the car and each unit is different. It is possible that those unit might get an official update for Wifi support, but although I’m not 100% certain, I think it will only work with 5Ghz Wifi network, so if you’re unit is 2. 4Ghz only probably it won’t get the update.
If I will ever have times (something which I never have) I might look into adding this to some units out there, but that is so far down the line, that realistically speaking probably will never happen.
Very interesting idea. I have a couple of these android sticks here and maybe even a modern mediabox that might offfer a bit more performance. I guess you want to power it from the USB socket from the car. Not sure how much current you can draw from these ports.
What is the pc below the radio doing?
This is awesome news! looking forward to progress!
Performance is not really needed the slowest device should work just fine. You can theoretically disable all processes and apps, so even a device with 512Mb ram will do.
Indeed I’m taking power directly from the headunit/car in the demo I use an MK808B powered directly from the Sony XAV-100 which only provides like 500mA, so should do (especially if you kill all apps which can use CPU and turn of everything but Wifi on the stick).
The PC is the power source, to lazy to make a separate power switch so I powered the Sony from my PSU directly
Ok, got the Mk802, 808 etc etc so I might finally have a good destination for those. Lazy and working is a combo that also works. :good:
Wondering if there is like a beta test thing, or is it complex to get it up and running? I’m pretty sure a lot of people are seriously interested in this. It would offer the freedom of charging your phone the proper way.
Not that far away, the only problem this will be braking my fix for obd2aa, so I need to make the 2 things compatible. I also need to do find a way to set the defaults without plugging into the car, you won’t really be able to plug in a HDMI screen when you plug it in the car.
I’ve started fully rewriting my HUR app moving all the code from C to Java, once that is done and I fix other issues with obd2aa I will be pushing this forward
Ideally I will like to have a release available before I go on holiday on the 17th of July but not sure I will manage to do it all by that time.
Yup, sounds like a bit of an issue that you can’t really test since we’ll have no screen. Well maybe a sort of a config txt file. Most of us will have to clear the thing on a tv screen or monitor anyway because a lot of crap is installed on these devices. I guess it makes sense to have something that can show if the stick is getting data from the phone. There is always a way.
Not that far away, the only problem this will be braking my fix for obd2aa, so I need to make the 2 things compatible…
No offense to obd2aa, I use it daily, but I’d be interested in this even without it
Where is the APK to give it a try?
Currently only a placeholder for those interested in the project while working on development.
If you are interested in this project please simply subscribe to this thread and follow the updates.
I’m interested, I have a Tahoe with AA and an Android stick. Your project sounds great, can’t wait!!
You should have it by the 17th of July, I’m just in the middle of rewriting another app, once I completed that I will focus on this one. I’m going away on a holiday on the 17th of July so I’m really pushing to have it out there by then.
Having the same XAV-AX100, and I was pissed off when I heard that in order to use wireless android auto it needs to be replaced.
Great idea, can`t wait to test it.
Do you think it can works also with windows stick.? Or only android?
Never heard of a windows stick… Any link/reference? In theory it can work with almost anything but since Android Auto need Open Accessory, Android device will be the preferred option, having all the classes already available.
Its exactly the same.
Mini PC stick, but using windows 10 as OS.
Just a little bit more expensive. But I already have one to try. [emoji6]
Sent from my SM-G965F using Tapatalk
Manage advanced network settings on your Android phone
You can change network settings like automatic connections, metered access, proxy settings, and more.
Control data use with metered Wi-Fi
When to use metered Wi-Fi
If your network has a data limit, you can set your Wi-Fi as metered. When your network is metered, you have more control over how much data your phone uses through downloads and other apps.
Find your phone’s MAC address
Open your phone’s Settings app.
Tap About phone.
Scroll down to “Wi-Fi MAC address. ”
Phones that have Android 10 and above have another MAC address. To find it:
Turn on Wi-Fi.
Tap Network & internet Internet.
If you can’t find it, search for “MAC address. ” If you still can’t find it, get help from your device manufacturer.
Next to your network, tap Settings.
Scroll down to “MAC address. ”
Tip: If you’re setting up parental controls for your network, include both MAC addresses.
Important: By default, your phone uses Private DNS with all networks that can use Private DNS. We recommend keeping Private DNS turned on.
To turn Private DNS on or off, or change its settings:
Tap Network & internet Private DNS.
If you can’t find it, search for “Private DNS. ” If you still can’t find it, get help from your device manufacturer.
Pick your option:
Private DNS provider hostname
Tip: Private DNS helps secure only DNS questions and answers. It can’t protect anything else.
Change more Wi-Fi settings
Open your phone’s Settings app.
If you can’t find it, search for the setting you want to change. If you still can’t find it, get help from your device manufacturer.
At the bottom, tap Network preferences.
Tap an option. These vary by phone and Android version.
Turn on Wi-Fi automatically: Have Wi-Fi automatically turn on near saved networks. Learn about saved networks.
Open network notification: Get a notification when automatic connection to high-quality open networks isn’t available.
Install certificates: Digital certificates can identify your phone. Learn about certificates.
Wi-Fi Direct: Let your phone connect without a network with other devices that can use Wi-Fi Direct.
If you use an older version of Android, you can also choose from:
WPS Push Button: Turn on Wi-Fi protected setup (WPS) for a WPS-capable network.
WPS Pin Entry: Enter the Wi-Fi protected setup (WPS) personal identification number (PIN).
Connect to Wi-Fi networks
Tether with Wi-Fi hotspot
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Proxy/GateWay for Android Auto and CS: crankshaft – Reddit
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level 1I bet it will work with it now. Only one way to find 1openauto can work over wifi ( i tried it a while back so assume it still can) so i presume CS can too if you set up and enable the wifi stuff. I do recall though it was very much a work in progress and didnt re-establish connections particularly gracefully so seemed more reliable to just use a cable till it matured (if it matures).. if this method as-linked is under active development and gets adopted by more than just us CS folk, it may be the easiest way to 1I am still trying to understand why wireless is a good idea? Maybe because I use it as my GPS and I can only see it killing the battery running GPS and Wireless and encoding the video to send to AA/CS. You’d still need to power the phone so why not just run it wired anyway? Am I missing something! LOL:Dlevel 2That’s a valid point for long trips, but just driving around town I think my phone’s battery could handle it and it would just be nice not to have to plug it in the whole time. That and aesthetically the fewer cords the 2yeah I plug my phone in if im driving more than an hour or so but for hopping in and out the car having it just connect wirelessly is much more 2I installed a USB port that supports Qualcomm QuickCharge 2. 0 so hopefully that allows for faster charging than the Pi allows whilst connected for best not to assume wireless means other issue is running a phone, with all it’s sensors and charging as well, off a Pi that’s already powering a screen, possibly audio to some extent, could start to get marginal, depending on how good the power source is.