[Android 4.1+]Proxy/GateWay for Android Auto

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wyt18

Senior Member
Jun 4, 2007
539
204
Sony Xperia XZ1 Compact
Samsung Galaxy S9
ghannaiem said:
@north3221 ok version 7 seems more professional and connects fine but for me crashes after 2 minute or less .. tried all regular fixes ..still the same issue ... on a parallel way i am one feet of success with my carlink app !

still only one thing and i hope you'll help me fix it

my setup depends on
carlink app .. as head unit reloaded seems bulk . laggy , for me , at least ..but carlink .. it is more solid !


now ..

1- slave + car head unit
must be rooted + macrodroid or tasker installed (both )

2 - for master i figured out that i can use my samsung bixby without root . to initiate bt > location > hotspot stuff

so if your master is not a samsung you will need another root for master to install macrodroid instead

3- btw aa gateway used is the original one ! seems weird but the only one that worked with this tweaks !

this setup works 99.9 % and very stable upon several disconnections and deep sleeping of car hu ... but one thing still !

if i could slow the usb connection until slave is connected to master wifi only by 3- 4 seconds .. it will reach the 100% !


i dont know how to do that . and asking you if you can


can you mod the original aa gateway to only wait for usb for just few seconds until slave is connected to master wifi ?

modifying original apk to wait for usb ? is that possible ?
Click to expand...
Click to collapse
Which version of aagateway were you using that worked best for you?

I tried v2.2, but it's not stable for me
@north3221 's works stable, but has no dpi change feature...
 
N

north3221

Member
Dec 22, 2011
25
8
Yatesie said:
Hi

I am having a few issues.
Firstly every time I get back in my car I need to manually unplug and plug in the USB cable again to have the device show up in Android auto.

Secondly how do I examine the log to see why I am not always connecting consistently?
Click to expand...
Click to collapse
Did you provide all the permissions for the app? If so, did you try alternative usb toggle?

git tells you where the logs go, did you read it?
 
W

wyt18

Senior Member
Jun 4, 2007
539
204
Sony Xperia XZ1 Compact
Samsung Galaxy S9
north3221 said:
Sorry what dpi feature? this has been working well for me so not been looking at anything. Let me know we can take a look
Click to expand...
Click to collapse
The original AAGateway had an ability to trick AA into believing that it has a different DPI. This enables smaller sized icons, navbars, throughout the AA HU. With Coolwalk, it will also help trigger the widescreen UI on smaller HU screens, if DPI is set low enough

Thanks for considering this
 
Yatesie

Yatesie

Member
Nov 12, 2022
5
0
Hi
north3221 said:
Did you provide all the permissions for the app? If so, did you try alternative usb toggle?

git tells you where the logs go, did you read it?
Click to expand...
Click to collapse


I thought I had read git but I'll go back and look again. Edit* yeah I am not seeing it. I am not a git expert so may not know where to go
I did provide all the permissions yes and I also tried the alternative.
Will have another look.
 
Last edited:
ankitpatel8055

ankitpatel8055

Member
Dec 2, 2020
7
0
Hello,

I own a Samsung A50s and have experimented with various custom ROMs. I've found that the gateway apps created by @Emil Borconi and @north3221 work well, but only when there are no Google apps (GApps) installed on the slave device. You can try this method without GApps.

However, if I install any Open GApps version, neither AA Starter nor WiFi Launcher works on the master device. Nevertheless, all AAGateway functions properly if I manually start the head unit server from Android Auto.

Do you have any suggestions or solutions for this issue?
 
Last edited:
T

the gladiator

Senior Member
Dec 16, 2010
319
51
I'm just facing this appealing topic but I'm wondering: is it well worth ?

I mean is it better this approach (as pro's I see more flexibility as it's possible 1) to manage everything through Tasker 2) to choose between a solution with hotspot on master or on slave) or a straight forward solution such as buying a dongle (es. carlinkit, aawireless or motorola ma1) ?

I'd love to hear your opinions
 
R

Ricardogoncalves

Member
Mar 19, 2020
6
0
Hy Guys,
I'm using the @north3221
version, and it's perfect with the root cell phone on the slave.
But I wanted it so that when the cell phone turns on it forces the connection with the car.
Because when the slave's cell phone turns on, it doesn't do anything until I click on the radio screen (INTELINK 9.0) from GM (opel).
And I wanted it to connect by itself and start by itself to the master cell phone and it doesn't.
Does anyone have a solution?
I have macrodroid on my slave cell phone for some automations, but I haven't found anything that solves this problem.
please someone help me
greetings
and sorry my bad english
 
fcaronte

fcaronte

Senior Member
Nov 4, 2011
860
291
is someone use that things on A14? do you know if will unlock custom app like done using aawireless with development mode enabled? i'm try to install on my s7 but i wasn't able to connect at all with my main s24ultra. i try other fork but the only one i was able to connect hasn't any extra option like dpi change or app unlock...
 
D

DannyWilde

Senior Member
Nov 1, 2016
122
16
Do you know if it's possible to use revanced music on any wireless android auto dongle with a non-rooted smartphone?
 
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    Emil Borconi
    Background
    - 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.

    Concept
    - 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).

    AAGateWay Documentation.

    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?

    SLAVE SETUP

    1) Install the app using XDA Labs (Only on SLAVE) : https://www.b3itlabs.com/prod.php?id=3
    2) Configure

    • FOR BOTH ROOTED AND NOT-ROOTED SLAVES
      • CASE 1: Master is running Pie or higher
        1. Pair Master and Slave over BT (do this from the normal BT settings)
        2. Open app
        3. 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)
        4. Enable the start tethering option (If asked make sure you manually configure the hotspot, to have the name HUR and the password AndroidAutoConnect)
        5. Select the masters phone BT MAC
        6. Exit
      • CASE 2: Master is running Android 8 or lower
        1. Create a Wifi hotspot from the master
        2. Connect slave to it
        3. 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.


    MASTER SETUP


    • CASE 1: Master is running Pie or higher
      1. Install WiFi Launcher for HUR (https://play.google.com/store/apps/details?id=com.borconi.emil.wifilauncherforhur)
      2. Make sure WiFi Launcher is version 2.1 or higher!!!
      3. Open WiFi Launcher
      4. FOR Android 10, set permission location to ALWAYS!!!!!!
      5. Select slaves BT from the BT list and exit
      6. 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: https://drive.google.com/file/d/1UO-Z5P0oQpHEdrQjYqvSM48L1TI-K5g8/view?usp=sharing
    • CASE 2: Master is running Android 8 or lower
      1. 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.
      2. Exit Android Auto
      3. Leave the Headunit Server running
      4. When you get into the car turn on the hotspot on the master (or use Tasker, automate or anything else do that for you)



    CONNECTING
    • 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
        1. 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.
        2. Slave will notify master
        3. Master will automatically start WiFi Launcher
        4. Master will connect to slaves hotspot
        5. 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:
      1. Running in root mode: (Yes/No)
      2. If running in non-root mode, is the splashscreen visible on the car: (Yes/No)
      3. If running in non-root mode, did you set the masters BT inside AAGW app?: (Yes/No)
      4. Did the slave actually turned on the hotspot on the slave: (Yes/No)
      5. On the master did you select the slaves BT in the Wifi Launcher app?: (Yes/No)
      6. When the master connected to the car's BT did the Wifi launcher app started up?: (Yes/No)
      7. Did the master connected to the slaves hotspot?: (Yes/No)
      8. 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:
      1. Running in root mode: (Yes/No)
      2. If running in non-root mode, is the splashscreen visible on the car: (Yes/No)
      3. If running in non-root mode, did you set the masters BT inside AAGW app?: (Yes/No)
      4. Did you select the masters hotspot name in AAGW?: (Yes/No)
      5. Have you started the Headunit server on the master?: (Yes/No)
      6. On the master did you select the cars BT in the Wifi Launcher app?: (Yes/No)
      7. When the master connected to the car's BT did the Wifi launcher app started up (notification bar)?: (Yes/No)
      8. Did the master turned on the hotspot?: (Yes/No)
      9. 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):
      1. Uninstall AAGW on the master
      2. Start the headunit server from within Android Auto on the master
      3. Create a hotspot on the master
      4. Open AAGW on the slave and make sure it's not set to tether
      5. in AAGW make sure you select the masters hotspot
      6. 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)
      7. Go to the car and plug the slave in
      8. 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
      1. Open Settings > About phone.
      2. Scroll down to the Build number.
      3. Tap the Build number 7 times in quick succession until "You're now a developer" appears.
      4. Return to the Settings menu and select Developer options.
      5. At the top of the screen, make sure 'Developer options' is set to On (green).
      6. Scroll down to Debugging and enable both USB debugging and Bug Report Shortcut on (green).
      7. 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.
      8. 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.
      9. Reproduce the problem
      10. Hold the Power button down until the menu appears.
      11. Select Take bug report. and wait for the device to capture the bug report.
      12. Tap the 'Bug report captured' notification when it appears.
      13. Send the bug report by email to borconie@gmail.com



    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).


    Device compatibility:
    Master:
    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.

    Other things
    - 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.

    FAQ.
    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 com.google.android.projection.gearhead/com.google.android.projection.gearhead.companion.DeveloperHeadUnitNetworkService

    Q: Can I use Wifi-Direct to connect instead of WIfi?
    A: No.

    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:
    • package:android
    • package:com.android.apkinstaller
    • package:com.android.providers.settings
    • package:com.android.packageinstaller
    • package:com.notriddle.null_launcer (or any other launcher, but NULL launcher has no memory consumption, no app drawer no nothing, perfect for headless - see: https://github.com/notriddle/null-launcher )
    • package:com.android.inputmethod.latin
    • package:com.android.settings
    • package:uk.co.borconi.emil.aagateway
    • package:com.android.shell
    • package:com.android.systemui
    Easy way to list / disable all apps will be using a computer and following commands
    Code: 
     adb shell pm list packages
    This will list all installed packages
    Code: 
     adb shell pm disable xxxx
    where you replace xxxx with the package name (Ex: com.android.shell )


    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: https://github.com/borconi/AAGateWay 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 borconie@gmail.com and I'm more then happy to refund the purchase.


    Teaser:
    View
    24
    E
    Emil Borconi
    Good news, I've made the breakthrough I needed on the slave side, waiting for more confirmations but looks very promising.
    If all goes well I should be able to update the app on the next week or so, possibly to RC or stable state.
    View
    22
    E
    Emil Borconi
    Updates from the Netherlands, CP & EB IT is officially opened :) next week I will start the work on the promo video then Kickstarter campaign is on....
    View
    21
    E
    Emil Borconi
    Just got off the phone with the guys who are going to shoot the promo video, we should have that by no later then 23rd of August done, so I really hope that by that day the kick-starter will be live.
    View
    21
    E
    Emil Borconi
    Hi guys.

    Sorry to be radio silent, indeed I was relatively busy with HUR and OBD2AA as well as other non Android Auto related work. Today I have finally managed to push out a stable release for HUR, and obd2aa is also doing pretty well, so in the next period I will continue to develop the AAGateWay, that being said my schedule looks like this:

    - This weekend, working all weekend, preparing photos from 5 different events across the UK so that will tied me up till Tuesday
    - Wednesday morning hitting the road (travelling to Romania - 3 days road trip)
    - I'm not sure how much I will be in Romania
    - October 20 I'm flying to the States for 2 weeks.

    So as you can see I will be quite a lot on the road, but I will take my Sony headunit and some dev tools with me to Romania and will carry on working, my target is to have a stable version of this app before I fly to the states.

    I will try to put together a list of most common problems I saw here and wishes tomorrow so you can all see and know what's happening as well as input new ideas if you have any.
    View

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