Fcc Car Launcher [official thread]

What do you want: a split screen functionality or a normal launcher behavior?

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Di Rossi

New member
Feb 18, 2022
I’m having troubles on the fcc launcher after the update…the launcher crash on start and I have to “reset” as default the launcher every time …
This is the specs on my head unit


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Senior Member
Apr 27, 2010
It´s a difficult time for all in the moment. We should give him his time and just crossing our fingers he is doing well and has just no time for working on the launcher.


Apr 27, 2022
AT&T Captivate


Sep 10, 2022
Hello Speedfire,

first off, thank you for creating such a wonderful launcher! I stopped using Nova and even bought FCC Premium after a few days of testing. But now I noticed a bug in the travel data (distance, traveltime, parkingtime) widget: It seems the HU (Joying JY-VQ130N4GN) does not always recognize that the car is moving, sometimes I have to drive for a few minutes until it changes from counting parkingtime to counting traveltime and kilometers. Any idea what could cause this problem?


Jun 13, 2022
I’m having troubles on the fcc launcher after the update…the launcher crash on start and I have to “reset” as default the launcher every time …
This is the specs on my head unit
I am the same as you. Every time it starts up, the fcc launcher must be installed even though “always default” is selected.


Senior Member
Oct 11, 2011
Hello Speedfire,

first off, thank you for creating such a wonderful launcher! I stopped using Nova and even bought FCC Premium after a few days of testing. But now I noticed a bug in the travel data (distance, traveltime, parkingtime) widget: It seems the HU (Joying JY-VQ130N4GN) does not always recognize that the car is moving, sometimes I have to drive for a few minutes until it changes from counting parkingtime to counting traveltime and kilometers. Any idea what could cause this problem?
Travel time is based on your GPS chip data. If launcher detects speed more than a couple km per second it starts counting. You can try to check if the car marker is moving on a built in map in Fcc Launcher. You can also check how GPS works in other apps (like navigation apps).
Please make sure you have granted all the permissions to Fcc Launcher (including getting your location in the background).


Jun 13, 2022
This looks like some crash during the time when the head unit is going sleep. Some of you can try to record a LogCat log of this process.
Every day when starting the car, a notification to choose a launcher appears. Although I always choose the fcc launcher as the default, it doesn't seem to remember by itself. is there any way? thank you


Senior Member
Apr 27, 2010
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  • 4
    Well, since feb,24th 2022, fcc launcher releases are less frequently published here in xda
    I have the information, that he is quite busy in the moment, no time for the Fcc now.
    We all know that business and family are on first position and if time is left, he will work on this app.

    Let´s give him his time. Doesn´t make sense to push. He will not leave as alone.
    The launcher is really good, nearly perfect. Two quick question :
    1/ Is there anyway to move/resize the map widget ? I would love a bigger map , position correctly to my liking. If I start with a blank screen , I don't know which widget represent a map like in pre-setup themes.
    2/ Can I hide the next / previous button in radio widget ? I only want a Play button nearest to me.

    Many thanks
    (Yandex Translator). There are a lot of settings. Tap on the map and tap on the gear. You can change the size, display of elements. At the initial setup, choose a skin with a map, then you can remove unnecessary elements and choose an empty or custom skin
    The type of buttons in the player widget can be changed to other built-in or your own, sort out the settings
    How about some 3D style radio icons? I'm fond of it.
    Seems to come from Portugal !
    Since this morning the MiniMap doesn't show any text labels (street names, POIs etc.) in all zoom levels anymore when using the new Google Maps renderer (the legacy Google Maps renderer is still OK, but I prefer the new one.)

    The zoom levels 17 and 16 are fine, but the zoom levels 15 and 14 don't show any text labels. Zoom level 13 is fine again, while zoom level 12 doesn't show any text labels again. I didn't try other zoom levels, since these are the ones that I'm using for the auto-zoom feature.

    Can anyone else confirm this for the new Google Maps renderer?

    @SpeedFire-: Could you also please check if you can reproduce this issue? Did Google change anything in the new renderer or its API, so you could try to fix this with an update?

    Thanks in advance. :)
    I just want to let you know that this issue went away again by now, so I guess that it was just on Google's server side. :)
    issue 1: when I press the "go-back" touch button on the left side of the head unit multiple times. there is a android ticker stating "Launcher is exiting" and after some loading Launcher skin comeback with all the widgets mis-aligned and the central widget is not showing the album art work of the playing music properly.

    If I restart the launcher using the "Restart" option, all the problems goes away and everything back to normal. Is it expected?

    Issue 2: Also the "Reset" option which id present in the drawer for restarting the head-unit is not working in FCC car launcher. I had to launch a different launcher and press the "Reset" app in the drawer just to restart the headunit. Is this issue expected?
    Why are you pressing the back-button multiple times? Sorry, but you need to explain the reason for this behavior...
    At least your 4-core system get´s at some time in an unstable status due to it´s performance restrictions.

    The reset-button is not usable on every single unit. This depends on the MCU. Have you set the right device type of unit on setup? If not... Fcc settings --> Advanced settings -->Select your device type. there you should choose Alwinner.
  • 56
    Hi, all!

    Welcome to the official thread for FCC Car Launcher - a customizable auto launcher for android head units (Rockchip MTCB/MTCD+ and FlyAudio) as well as android smartphones/tablets.

    Its major features:
    - Full function launcher with supports of all standard third party android widgets
    - Deep integration with head units (MCU etc). My mission here is to implement as many functions in the launcher itself as possible. In case of Rockchip devices to get rid of most xposed modules (my deep respect to their authors, great job, but they sometimes slow down the device significantly) and replace them with the normal built-in functions.
    - Customization. The FCC Cat Launcher has some built-in customizable widgets which can help to make your home screen more personal (you can adjust widgets size, colors, features etc).
    - Built-in music widget with support of FM Radio (with ability to give names to radio stations), Spotify, Google Music, PowerAmp, PC Radio, Neutron and Stellio players.
    - One-click navigation widgets with quick route building (supports Waze, Google Maps, Yandex Navigator and other navigation apps).
    - Phone calls via connected phone using 'Ok Google call [name]' request or by clicking on built-in Contact widget.
    - Other features.

    1. I love MiniMap but can you put other navigation app there?
    Unfortunately this is not possible. MiniMap is part of FCC and is based on Google Maps API for Android. It is not another app (not even a Google Maps app), that can be just replaced within the FCC interface. Android does not allow to integrate third party apps (navigation apps) inside another third party apps (FCC Launcher).
    If your head Unit supports Split Screen (ie can display Two apps at the same time), this can be partially done with split screen.

    2. Is it possible to cache maps for MiniMap for offline use?
    - Yes. In the latest FCC Launcher beta version you can select Offline Mapbox map and download it to your device.
    - For Google Maps - No. Caching is directly prohibited by Google license for using Google Maps API (MiniMap). Moreover, Google even does not provide developers with such a caching API. Therefore you will need a constant internet connection to use MiniMap. The somewhat good news is that the map itself does some short-term caching on your device, so it saves some data (but not too much).

    3. Notifications are only popping up for a split second / flashing. How to fix this?
    That means that animations are disabled on your device.
    - Go to the device's Developer settings: FCC settings - System - Advanced - Developer settings (if it asks for code - it's "7890" for AllWinner T8).
    - Scroll down and change 3 parameters "Window animation scale", "Transition animation scale" and "Animation duration scale" from "Animation off" to "Animation scale 1x".

    4. Routing on Google Maps in MiniMap doesn't work. It asks for API key. What should I do?
    - Turn-by-turn navigation in built-in Google Map fragment is directly prohibited by Google. Therefore it is not possible to use it. .However if you have your own Google Developer account (Google Maps API key) you can use it to draw a simple route line on the MiniMap. Please note that it will NOT have any turn-by-turn data like distance to next turn or estimated time of arrival.
    I do not recommend to purchase Google Developer account just for this feature:
    - Google Developer account will cost money for you (a one-off payment) which is reasonable only if you really want to develop android apps.
    - Routing requests cost money. But currently Google provides a 200$ per month free usage for Maps, Routes, and Places every month which should be enough for individual usage.
    Links: Get API key, Pricing. Don't forget to enable Maps API and Directions API in your Google Cloud Console.


    Translation to your language
    Guys, many of you suggested your help with translation of the app to your native languages.
    I have setup a translation project on OneSky site.

    channel: https://play.google.com/store/apps/details?id=ru.speedfire.flycontrolcenter
    Beta channel: https://play.google.com/apps/testing/ru.speedfire.flycontrolcenter
    (I would suggest to stick with the release channel since beta channel can be really buggy sometimes and is intended for beta testers only)

    As a developer I will be happy to discuss with you any ideas or issues.

    Here is a couple of tutorials:
    1) Quick look on home screen setup process:

    How to write LogCat log:
    You need to have ROOT:
    1. Install LogCat Extreme LogCat Extreme
    2. Select VERBOSE level of details (very important) Video 1
    3. Write and send log: Video 2

    Initial setup (do this if you see black screen):
    Important checkbox during first setup:

    Please make sure to check that checkbox "Always allow FCC Launcher to add widgets..".

    Full setup process:
    pity that the developer is not dedicated to solving several bugs of this fantastic launcher, too many bugs for daily use is not so good unfortunately

    How the Hell can you say that when @SpeedFire- has dedicated 100's , if not 1000's of hours developing this launcher, and for peanuts !!

    I remember a time last year when he was on vacation, and even then, each night he worked on FCC, fixing bugs and greatly improving what was already there.

    FCC is probably one of the most COMPLEX apps on Playstore.

    My understanding is that he basically developed FCC for HIMSELF, because he was not satisfied with what was currently out there, and was good enough to share his work with anyone wanting to try it.

    Because of technical complexities, this launcher is designed and developed for a limited number of Android systems, but that number is increasing all the time as he add new Units to those currently supported.

    If you go out and purchase some obscure, budget China unit, that is not supported, you cannot blame anyone but yourself, if then you experience issues.

    Just because you paid the developer a few dollars because YOU CHOSE TO DO SO does not mean that you OWN him, and can demand that he jumps at your every call ... it's not his work -- it's his HOBBY -- and you probably knew that going in .. so lighten up and stop giving him such a hard time.

    BTW, I am also a developer, and I can tell you, if anyone else got involved in this complex app, it would most likely get totally screwed up, and dye -- that is assuming one could even find someone who would be willing to put in the time for next to nothing, while having the technical ability to actually contribute anything to the project.

    Thank you @SpeedFire- for clearly the best Android launcher on the market, and for all your time and dedication in constantly improving it. It is very much appreciated I am sure by the majority of those using it, and you will always have my full support going into the future.
    It seems that I've found the best solution for Normal / Split-Screen modes. Take a look:

    Here is a short demo of two modes in the alpha version:
    1) Normal mode - launcher does not support split screen (bad) but behaves as a normal launcher and is not visible in the list of recent apps (good).
    2) Split screen mode - launcher supports 50/50 multi window mode (good) but is visible in the list of recent apps (bad).

    Every user can select the preferred mode!
    The app is now returned to the Play Store :)
    New beta is out:
    - All skins are re-designed for 6x10 grid (instead of previous 6x7 grid). You need to re-apply skin if you want to switch to a new skin.
    - You can choose your favourite skin during first time setup process.
    - Time widget has new options to granually change Time and Date font sizes as well as to swap Time and Date positions
    - Re-written code for album arts in Player widget. Hopefully this will fix most issues.
    - Some other fixes.
    - For built-in skins Icons are automatically setup when put on home screen or moved (based on skins' settings for particular Icon slot).