A few questions - Android Q&A, Help & Troubleshooting

Hello I am Jimmy and I am starting on ROM development for mobile and PC. I have a few doubts regarding that.
1> Android-x86 Oreo is the latest build on their website, But roms like Bliss, they ported Pie on PC. How to do that? I mean how to get Android-x86 pie?
2> How much average time does it take to compile the source of Android(both x86 and arm64)? [Specs for consideration: Intel Core i7-8750H 2.2 Ghz 6 cores, 16 GB RAM, Ubuntu 18.04 ]
3> What IDE/Development softwares should I use for modifying the original source code that is? Android Studio? Netbeans? Notepad++? Or what??
And a question not regarding development:
I have a device lying around my drawer. My bro used to use it until he bought a new one. Its LAVA Z60 which is based on MTK MT6737 chipset. I researched but found out that there are very few MTK devices with custom roms. Is LAVA Z60 one of em? And if so, where to get the Device Tree, Vendor, Kernel etc.. for the device? Also, note that MTK Droid tools does identify the device, but I cant create scatter file cuz there is just one item on the list with location and every other thing as 0.
Soo.. yeah thats all. Please help me if you can. Thanks in advance.

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[Q] Integrating Android on an ARM Board

Good Day XDA!
I'm just asking a little help because i don't know where to start to.. I do have a project in school that will use ARM Board and Android OS. I have bought an ARM Board but I don't know where to start to in integrating..
1. The ARM board has already installed Android OS 2.2 but I want to install a higher version of OS. Can someone give me an advice or tutorials that can help me to upgrade or to build android for an ARM?
2. I've seen the article about building android from source but I don't know what's next after building the source from Linux OS and in building boot loaders and drivers.
3. What are the ways in making applications pre-installed aside from ADB? Is it possible to have a pre-installed app in a custom ROM?
That's all! Thank you!

rk3026 Custom Rom

Hi
Welcome to what im hoping will become a popular project amongst owners of Rockchip devices. Over at rkDroid we are aiming to create the first custom rom for the rk3026.
We really are starting at the bottom with this one as there is so little info available about these devices. The aim will be a 2 stage project :
Stage 1 : Cooked stock rom
Stage 2 : KitKat
We want to get as many people involved as we can. This means addressing ALL levels of skill. This is why there are 2 stages.
Stage 1 :The 'cooked rom' - This will be for beginners to contribute to. It could be themes, app suggestions, tweaks, etc. They all go into a custom rom and no one is better than another. Anyone can get involved, even if they dont have a Rockchip device. Icons, Themes, etc. They ALL count.
Stage 2 :'KitKat' - I have the source for the kernel and Android build for KK on the 3026. This means we can (in theory) build KK for it. Rockchip released a press release a few months ago saying the 3188 & 3026 WILL get KK. So far the 3026 has been lacking in this. rkDroid aims to bridge that gap and get a KK build out there for these devices. Im no pro when it comes to building Android or kernels. Ive done a few but im in no way a 'guru'. Im also not stupid. This stage of the project WILL require people with some knowledge of building Android, etc.
Overall, the aim of rkDroid is to bring Rockchip device users together to share info, solve problems, build roms, etc. Our site aims to be a popular resource for Rockchip tablets (No TV sticks or Mini PCs yet, sorry guys).
We dont only support the rk3026, We also have info/roms/etc for the other Rockchip devices like the rk3066, rk3188, etc. We will be aiming to create roms for these too once we get more support.
The bottom line is that if you own a Rockchip device and want to be involved in creating a custom rom for it then get involved with us. Whatever level you are at you can have an input in this project and we welcome everyone. n00b or bo$$, its all the same to us, There is a place for everyone at rkDroid.
Let us know if your interested in this project and lets see if we can beat Rockchip by getting our own KK build out before them
did this rom can change size storage sytem
in fact on rk3026 MD706B tablet 8GO/1Go
we have
1 Go for system
1Go for internal sotage
and 5.6 for internat SD : nand flash
can we use 1 giga from those 5.6 to add them to internal storage like on samsung 16g tablket hey have 3G for internal storage
Rk3026
Is this thread still active?
[Solved] WiFi doesn't turn on
Cass1977 said:
Hi
Welcome to what im hoping will become a popular project amongst owners of Rockchip devices. Over at rkDroid we are aiming to create the first custom rom for the rk3026.
We really are starting at the bottom with this one as there is so little info available about these devices. The aim will be a 2 stage project :
Stage 1 : Cooked stock rom
Stage 2 : KitKat
We want to get as many people involved as we can. This means addressing ALL levels of skill. This is why there are 2 stages.
Stage 1 :The 'cooked rom' - This will be for beginners to contribute to. It could be themes, app suggestions, tweaks, etc. They all go into a custom rom and no one is better than another. Anyone can get involved, even if they dont have a Rockchip device. Icons, Themes, etc. They ALL count.
Stage 2 :'KitKat' - I have the source for the kernel and Android build for KK on the 3026. This means we can (in theory) build KK for it. Rockchip released a press release a few months ago saying the 3188 & 3026 WILL get KK. So far the 3026 has been lacking in this. rkDroid aims to bridge that gap and get a KK build out there for these devices. Im no pro when it comes to building Android or kernels. Ive done a few but im in no way a 'guru'. Im also not stupid. This stage of the project WILL require people with some knowledge of building Android, etc.
Overall, the aim of rkDroid is to bring Rockchip device users together to share info, solve problems, build roms, etc. Our site aims to be a popular resource for Rockchip tablets (No TV sticks or Mini PCs yet, sorry guys).
We dont only support the rk3026, We also have info/roms/etc for the other Rockchip devices like the rk3066, rk3188, etc. We will be aiming to create roms for these too once we get more support.
The bottom line is that if you own a Rockchip device and want to be involved in creating a custom rom for it then get involved with us. Whatever level you are at you can have an input in this project and we welcome everyone. n00b or bo$$, its all the same to us, There is a place for everyone at rkDroid.
Let us know if your interested in this project and lets see if we can beat Rockchip by getting our own KK build out before them
Click to expand...
Click to collapse
I flashed your ROM from rkdroid here with 3.0.36+([email protected]) #69 kernel. Rom is really fast but only problem is that wifi doesn't work. If I try to turn wifi bar on it will automatic slide to off position. It says that "turning wifi on" but nothing happens. I can't flash my stock rom back because my TWRP backup is corrupted (system part is missing).
Can you help me?
Solution: Turns out that that my wifi is actually Atheros AR9271 so all I need to do was flash Oma Cube U25GT2-H JB v1.0 rom with my genuine kernel. Everything is working now!
please help me...... i have supertab r10 rockchib rk3026 i flashed him then it become working whithout screen...... do you have any soluation?????!!!!!!
You should flash original firmware if your tab is bricked. Which firmware did you flash? Seems to be kernel related.. Did you make a backup before it got bricked?
i tried every flash at "wwwrockchipfirmware.com ..... and still the same problem ...... whait screen ore black screen ...... i did not make a backup ...... do you have an original firmware ore any solution for this problem
Hi all anyone can help me please? i have an INTENSO TAB 734 "7" inchs ARM, Processor Cortex-A9 with Rockchip RK 3026 Risolution 1024 x 600 Pixels, RAM type DDR3-SDRAM ,ram memory 1 gb......................
I have need the firmware for this Tab because is completly bricked.please im desperate anyone can help me? THANKS ADVANCED
rk3026 Rom
I greet the whole community of forum.xda-developers.com and ask for pleasure if someone can help me
in finding the right firmware for my tablet
template: 759
rk3026
yudongsheng @ ubuntu # 435
I state that I was able to install twrp and I also have the possibility of installing a ROM

Yoga Book Nougat kernel source code petition

Lenovo is the only company to have released an Android Nougat update for an Intel Atom Cherry Trail SoC powered device.
If Lenovo releases the kernel sources for the Android N version created for its Lenovo Yoga Book (Lenovo YB1-X90F/L), developers can start working on Android N upgrades for other devices powered by the Intel Atom Cherry Trail SoCs.
Lenovo has previously released the Android Marshmallow kernel sources for the Yoga Book (https://pcsupport.lenovo.com/us/en/products/tablets/yoga-series/yoga-book/downloads/ds118515 Thus it shouldn't be a problem abiding by the General Public License v2 (GPLv2), which requires Android device makers to publish the kernel source code.
Please consider signing here: https://www.change.org/p/lenovo-kernel-sources-for-lenovo-yoga-book-android-n-7-1-1 . Thank you
True, we really Need to make Lenovo release the source Code, i hope you could edit your Petition by adding that also we Need Infos about how to use the source Code.
Greetings
I'm not sure that it would make a difference, but has anyone tried posting on their support forums or contacting them directly?
It might help our case to note that the device (the Android version, anyway) has been discontinued. I doubt we'll see any further official updates from Lenovo.
Take a look , Hope this will work for you:
https://forum.xda-developers.com/yoga-book/development/sources-yoga-book-nougat-source-code-t3765211
beltani said:
I'm not sure that it would make a difference, but has anyone tried posting on their support forums or contacting them directly?
It might help our case to note that the device (the Android version, anyway) has been discontinued. I doubt we'll see any further official updates from Lenovo.
Click to expand...
Click to collapse
Only via Facebook. Got this answer:
"Thanks for reaching out. Currently, this the only open source http://lnv.gy/2DMoObI we have for Yoga Book. You can keep an eye on the support website as it will be updated if a new open source will be released. Let us know if you have other inquiries."
Feel free to post the link to the petition on the Lenovo forums or even ask them via Facebook/scoial media. The more attention, the greater the chances.
Palm Trees said:
Lenovo is the only company to have released an Android Nougat update for an Intel Atom Cherry Trail SoC powered device.
If Lenovo releases the kernel sources for the Android N version created for its Lenovo Yoga Book (Lenovo YB1-X90F/L), developers can start working on Android N upgrades for other devices powered by the Intel Atom Cherry Trail SoCs.
Lenovo has previously released the Android Marshmallow kernel sources for the Yoga Book (https://pcsupport.lenovo.com/us/en/products/tablets/yoga-series/yoga-book/downloads/ds118515 Thus it shouldn't be a problem abiding by the General Public License v2 (GPLv2), which requires Android device makers to publish the kernel source code.
Please consider signing here: https://www.change.org/p/lenovo-kernel-sources-for-lenovo-yoga-book-android-n-7-1-1 . Thank you
Click to expand...
Click to collapse
THEY UPDATED IT AFTER I CONTACT THEM
CHECK IT OUT https://pcsupport.lenovo.com/us/en/products/tablets/yoga-series/yoga-book/downloads/ds118515
THE MAXIMUM POWER said:
THEY UPDATED IT AFTER I CONTACT THEM
CHECK IT OUT https://pcsupport.lenovo.com/us/en/products/tablets/yoga-series/yoga-book/downloads/ds118515
Click to expand...
Click to collapse
WOW! I've passed this information along. Thanks a lot, this hopefully opens some doors
What did you do exactly?
UPDATE: It's another Marshmallow kernel source code. We need the Android Nougat kernel source code!
Palm Trees said:
WOW! I've passed this information along. Thanks a lot, this hopefully opens some doors
What did you do exactly?
UPDATE: It's another Marshmallow kernel source code. We need the Android Nougat kernel source code!
Click to expand...
Click to collapse
True, i open it and it was another MM sources, i will rewrite to them again, however, i figure it out how to use it, for example specially for yoga Book Windows owners, i tried to install Android distro (Phoenixos, blissos,......) but some Drivers were missing i mean no Sound, no Bluetooth,....... but today i understood how it work, in lib/Firmware we Can add this files in any Android distro to get some or all Drivers work, but im trying to figure out how to copy-paste them inside System.sfs under Windows enviroment :fingers-crossed:
THE MAXIMUM POWER said:
True, i open it and it was another MM sources, i will rewrite to them again, however, i figure it out how to use it, for example specially for yoga Book Windows owners, i tried to install Android distro (Phoenixos, blissos,......) but some Drivers were missing i mean no Sound, no Bluetooth,....... but today i understood how it work, in lib/Firmware we Can add this files in any Android distro to get some or all Drivers work, but im trying to figure out how to copy-paste them inside System.sfs under Windows enviroment :fingers-crossed:
Click to expand...
Click to collapse
Thanks! Hopefully Lenovo releases them - let me know
Get in touch with KonstaT from http://www.modaco.com/forums/forum/445-other-devices/ if you need help with the Android side.
Palm Trees said:
Thanks! Hopefully Lenovo releases them - let me know
Get in touch with KonstaT from http://www.modaco.com/forums/forum/445-other-devices/ if you need help with the Android side.
Click to expand...
Click to collapse
Thanks, i will try to contact him:good:

DevDb

hello guys... have been making alot of research on google.. till i notice this place...someone should please help me on how to port custom kernels for mtk devices.. my device...Tecno l8 mt6580 kernel 3.10.72+ ..any help pls
sasuke3369 said:
hello guys... have been making alot of research on google.. till i notice this place...someone should please help me on how to port custom kernels for mtk devices.. my device...Tecno l8 mt6580 kernel 3.10.72+ ..any help pls
Click to expand...
Click to collapse
Hello,
It's the wrong place for this type of questions, u should post it in the corresponding sub-xda topic instead of.
To answer you without going into too much detail otherwise my few lines will turn into paragraphs with several kilometers long...
In a very simple way and in just a few words: the task can very quickly get complicated even for experienced developers, and i don't say that as kernel developers because i've never ventured into it, but in the meantime it's a custom and kernel ROM developer who told me that it's very complicated to adapt a kernel for a new phone from scratch, and i suppose that the task is even more so when the phone is an MTK because the kernel originally had to be designed for devices equipped with arm or mips processors..
Rom said:
Hello,
It's the wrong place for this type of questions, u should post it in the corresponding sub-xda topic instead of.
To answer you without going into too much detail otherwise my few lines will turn into paragraphs with several kilometers long...
In a very simple way and in just a few words: the task can very quickly get complicated even for experienced developers, and i don't say that as kernel developers because i've never ventured into it, but in the meantime it's a custom and kernel ROM developer who told me that it's very complicated to adapt a kernel for a new phone from scratch, and i suppose that the task is even more so when the phone is an MTK because the kernel originally had to be designed for devices equipped with arm or mips processors..[/QUOTE
am using resurrection remix on my tecno l8 Android 5.1.1
kernel 3.10.72+
pls i need a custom kernel too for performance.
I'll be waiting for response
thanks
Click to expand...
Click to collapse

I've successfully rooted my Leagoo T5c, now what?

Hi everyone,
After a few hiccups, I successfully rooted my Leagoo T5c, thanks to the excellent tutorial posted here. The phone works fine, thank you, but now, I'd like to know how to proceed to, say, upgrade the phone from its current Android version (7.0) to a more recent version.
Where to start?
Since this phone has a Spreadtrum/Unisoc SC9853i SoC (Intel-based), I suppose the custom ROMs and upgrade possibilities are few and far between, but I'd like to give it a shot.
I'm open to ideas, tips, tricks, voodoo moves and Santeria incantations, but I'm still a noob when it comes to Android, so please, be patient, and methodical... :good:
@UglyStuff
If you can unlock phone's boot-loader then you should be able to flash any Custom Recovery and/or Custom ROM that's suitable to 100% to phone's CPU-architecture. Who is the supplier of phone's SoC isn't of any interest at all.
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
UglyStuff said:
Hi,
Thing is, as I said, I'm a noob when it comes to Android, so I don't want to brick my phone by trying to make it ingest a ROM that's not suitable for it.
If my phone came with a MediaTek or Qualcomm SoC, I wouldn't worry, because there are plenty of ROMs out there, custom or not, to play with, but this Spreadtrum/Unisoc SoC is a thing of its own.
It's based on Intel's Airmont architecture, and few phones or tablets use it, at least this specific version (SC9853i). Maybe I just don't understand too well how a ROM is built.
Click to expand...
Click to collapse
For example, I found this article where they explain how to flash LineageOS 17 (based on Android 10) on a Panasonic Eluga Ray 800 that uses the same SoC as my Leagoo T5c.
The thing is, I don't know if this is transposable to my device, though the two share the same SoC. As I said earlier, I don't want to permanently brick my phone...
@UglyStuff
The mentioned Intel Airmount SoC's instruction set architecture is x86_64 , the also mentioned Intel Spreadtrum SC9853i SoC's instruction set architecture is x86_64, too. Hence in order to upgrade yor phone's Android you need a Custom ROM compiled for x86_64 architecture. GIYF ...
OK, but since this Panasonic and my Leagoo share the same SoC, they also share the same x64 instruction set, so do I get it right if I say that the custom ROM built for the Panasonic would fit on my Leagoo, or am I missing something?
In theory it should.
OK, I guess I'll have to chance it, and use recovery in case things so south. My phone isn't compatible with Treble, according to this app. Does it mean anything in terms of installing one of the generic system images found here or not?

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