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[ROM][grouper][7.1.2][LOS-based] unofficial **crDroid**v3.8.7 Nexus 7 2012 #(4/2018)

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By AICProcks!, Member on 26th November 2017, 09:39 PM
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crDroid for Nexus 7 (2012) [grouper]




crDroid is designed to increase performance and reliability over stock Android for your device also attempting to bringing many of the best features existent today. crDroid is based on LineageOS so use custom kernels compatible with it!

Features
LineageOS - all mods and features
StatusBar: Network Traffic
StatusBar: SU icon toggle
StatusBar: Ticker
StatusBar: Hide/Show icons
StatusBar: BatteryBar customization
StatusBar: Battery styles
StatusBar: Tap to Sleep
StatusBar: Clock styles
StatusBar: crDroid logo customization
QuickSettings: Tiles customization
QuickSettings: Brightness slider toggle
QuickSettings: Optional brightness icon
QuickSettings: Vibrate on Touch
QuickSettings: WiFi easy toggle
QuickSettings: Bluetooth easy toggle
QuickSettings: Data easy toggle
Navigation: Toggle navbar
Navigation: PIE navigation
Navigation: DUI - SmartBar / Fling Toggle
Navigation: Pulse - smart visualization
Notifications: Power notification controls
Notifications: Force expanded notifications
Notifications: Toggle immersive mode messages
LockScreen: Screen shortcuts
LockScreen: Toggle longpress for screen shortcuts
LockScreen: Swipe shortcuts
LockScreen: Toggle media cover art
LockScreen: Toggle clock
LockScreen: Toggle date
LockScreen: Toggle alarm
LockScreen: Tap to sleep
LockScreen: Toggle longpress torch
LockScreen: Customize number of notifications
LockScreen: Toggle power menu for secure lockscreen
Recents: Immersive Recents
Recents: Hidden apps
Recents: Toggle OmniSwitch or SlimRecents as default Recents
Sound: Toggle screenshot sound
Sound: Live customization for number of volume steps
Sound: Less frequent notification sounds
Miscellaneous: Clock Widget
Miscellaneous: Toggle suggestions on Settings dashboard
Miscellaneous: Toggle summaries in Settings
Miscellaneous: Toggle auto-start music player on headset detection
Settings/Display: Expanded Desktop customization
Settings/Sound: Increasing Ringtone
12 New Quick Settings Tiles including Caffeine mode, Expanded Desktop and Sync.
Settings/Security: Quick PIN/Password Unlock
Default sounds from latest Nexus image.
OMS support.
Stability and performance improvements.

Always have a full functional Backup just in case!

Download Link to Rom
Build 2018-04-20 (7.1.2_r7) - AndroidFileHost - April 2018 Google Security Updates
Build 2018-04-06 (7.1.2_r6) - AndroidFileHost - March 2018 Google Security Updates
Build 2018-01-19 (7.1.2_r4) - MEGA - Google Drive - AndroidFileHost - January 2018 Google Security Updates
Build 2017-12-12 (7.1.2_r3) - MEGA - Google Drive - AndroidFileHost - December 2017 Google Security Updates
Build 2017-12-10 (7.1.2_r2) - MEGA - Google Drive - AndroidFileHost
Build 2017-11-26 (7.1.2_r1) - MEGA - Google Drive - AndroidFileHost - November 2017 Google Security Updates

Download Link to Rom with DT2W
Build 2018-04-20 (7.1.2_r7_DT2W) - AndroidFileHost - April 2018 Google Security Updates & ("Experimental" DT2W)
Build 2018-04-05 (7.1.2_r6_DT2W) - AndroidFileHost - March 2018 Google Security Updates & ("Experimental" DT2W)
Build 2018-03-11 (7.1.2_r5_DT2W) - AndroidFileHost - February 2018 Google Security Updates & ("Experimental" DT2W - see post for details)

Download Link to Open Gapps
opengapps (choose ARM>7.1>Pico)

Download Link to Open Gapps System Size Fix
gapps-config-grouper.txt - MEGA - Google Drive - AndroidFileHost

Download Link to Initial Setup Wizard Fix
If the initial Setup Wizard crashes, use JT1510365's Setup Wizard Fix - Google Drive.
@JT1510365 wrote about this issue in Post #58.
If you continue experiencing issues even after applying this fix, refer to the Possible Bugs paragraph below for walkarounds.

First time installation of crDroid to your Nexus 7 (2012), or new ROM instructions:
- Make sure you're running a proper working Recovery (TWRP or CWM)
- Boot into Recovery by holding Down Vol- button and Power button
- Wipe System, Data and Cache partitions (Wiping Internal Storage is recommended, but you will lose any files, bookmarks, etc.!)
- If you want (recommended), you can format ONLY Data and Cache partitions to F2FS. System partition must be EXT4! (Once again, you will lose your data!) (If you use EXT4, you can run fstrim to maintain ROM.)
- Copy crDroid ZIP and openGApps ZIP and gapps-config-grouper.txt to your external SDCard or Internal Storage
- Flash crDroid ZIP
- Flash openGApps ZIP
- DO A DATA WIPE / FACTORY RESET
- Reboot
- Wait around ~ 10 minutes ~ for first boot

Upgrading from earlier version of crDroid:
- Copy crDroid ZIP to your external SDCard or Internal Storage
- Boot into Recovery by holding Down Vol- button and Power button
- Wipe System and Cache partitions
- Flash crDroid ZIP
- Flash openGApps ZIP
- Reboot
- Wait around ~ 10 minutes ~ for first boot

Possible Bugs:
- Initial Setup screen might crash with "Setup Wizard has stopped" depending on Open Gapps or Lineage OS version. DO A DATA WIPE / FACTORY RESET step should help. Otherwise, you can skip the initial Setup screen by tapping on 4 edge points on screen starting from upper left corner clockwise. You can also "fix" this by enabling WiFi from notification bar as seen in this YouTube video.
- crDroid 7.1.2 is mostly stable, but depending on different builds and configurations, you may experience System UI crashes. A simple Reboot usually helps in this case. Rooting Grouper with SuperSU and uninstalling some unnecessary System Apps to make System partition have more space may also help.

Credits:
- Google
- LineageOS
- SlimRoms
- AOSPA (Paranoid Android)
- OmniRom
- NamelessROM
- @firebird11
- @Cristiano Matos
- @davidteri91
- @hokiealumnus - This thread format & content.
- @neobuddy89 - crDroid Developer & Maintainer.
- @wilmsn - Build instructions & Github.
- @aaopt - Build instructions & Github.
- @AndDiSa - AOSP 7.1 & Device tree & Kernel.
- @GtrCraft - CM13 tree that Aaopt used.
- Many others... (if you're feeling upset being out of the Credits list just send a PM)

crDroid DONATE

crDroid G+ community

https://github.com/crdroidandroid

XDA:DevDB Information
crdroid, ROM for Nexus 7 (2012)


Contributors
firebird11, cristiano matos, davidteri91
Source Code: https://github.com/crdroidandroid

ROM OS Version: 7.1.2 Nougat
ROM Kernel: Linux 3.10.x
Based On: LOS

XDA:DevDB Information
[ROM] [grouper] [7.1.2] [LOS-based] **crDroid**v3.8.7 for Nexus 7 2012

Contributors
AICProcks!, wilmsn, aaopt
Source Code: https://github.com/crdroidandroid

ROM OS Version: 7.1.2 Nougat
Based On: LineageOS

Version Information
Status: Testing

Created 2017-11-26
Last Updated 2018-04-20
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27th November 2017, 02:10 AM |#2  
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Building from Source
Here are the instructions to build from source:
Make sure that your LINUX based computer is setup for developing Android roms; you can read how here.

Make a new directory called WORKSPACE as follows:
Code:
mkdir WORKSPACE
cd WORKSPACE
Install Repo in the created directory WORKSPACE
Code:
repo init -u https://github.com/crdroidandroid/android -b 7.1
Add the following roomservice.xml file in .repo/local_manifests within the WORKSPACE directory.
Code:
git clone https://github.com/AICProcks/crDroid_local_manifests.git .repo/local_manifests -b 7.1
Add the following code to your ".bashrc" as follows:
Code:
export JACK_SERVER_VM_ARGUMENTS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx4g"
Then use the following code:
Code:
repo sync --force-sync
. build/envsetup.sh
make clobber
brunch grouper
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27th November 2017, 03:09 PM |#3  
****! you built it before i did!!!!
EDIT: Nice use of MEGA though, that is honestly my favorite file hosting site
files don't expire for a very long time
you only have to log in once a year to keep everything
its fast and stable

Good on you dev.
28th November 2017, 08:00 AM |#4  
its running really fast so far, been running it all day. I don't want to jinx it, and I hope I can keep this performance for more than a few days (only having to fstrim once a week would be nice). I'm surprised that crdroid runs better than slim 7 on the grouper.
28th November 2017, 09:44 PM |#5  
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Quote:
Originally Posted by Galaxyninja66

its running really fast so far, been running it all day. I don't want to jinx it, and I hope I can keep this performance for more than a few days (only having to fstrim once a week would be nice). I'm surprised that crdroid runs better than slim 7 on the grouper.

Thanks for trying crDroid out. Yes, so far crDroid runs stable for me. The battery life is amazing in Doze mode. I got the idea of building crDroid for Grouper because I have it on my phone as well and its rock solid.

I was wondering if people would like to use Mega as a file host. I tried using Android File Host, but there were some issues and I couldn't open an account. If anyone objects to using Mega, please let me know. I will make an additional upload on Drive or another file host.
29th November 2017, 01:23 AM |#6  
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Quote:
Originally Posted by AICProcks!

Thanks for trying crDroid out. Yes, so far crDroid runs stable for me. The battery life is amazing in Doze mode. I got the idea of building crDroid for Grouper because I have it on my phone as well and its rock solid.

I was wondering if people would like to use Mega as a file host. I tried using Android File Host, but there were some issues and I couldn't open an account. If anyone objects to using Mega, please let me know. I will make an additional upload on Drive or another file host.

Would really appreciate if the build is uploaded on other platform too. Mega is kind of difficult for mobile users
29th November 2017, 02:26 AM |#7  
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Quote:
Originally Posted by abhifx

Would really appreciate if the build is uploaded on other platform too. Mega is kind of difficult for mobile users

I made an additional upload link on Google Drive. I will also upload the rom to Android File Host.
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29th November 2017, 12:13 PM |#8  
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Really nice !
The tablet is not butter smooth, but really close to ! For a Nexus 7... it's an amazing improvement.

Any custom kernel to advise ?
29th November 2017, 12:24 PM |#9  
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Quote:
Originally Posted by AICProcks!

I made an additional upload link on Google Drive. I will also upload the rom to Android File Host.

well that did it. clean installed and everything seems to be at least as good as Lineage OS plus more feature to boot. will put some load and see how far it goes.
29th November 2017, 01:24 PM |#10  
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Ooh nice mate, I just got a Nexus 7 today and I'm looking for a fresh 7.1.2 ROM to try on it. Never had crDroid before so will defo give this a go!

Sent from my OnePlus X using XDA Labs

---------- Post added at 02:24 PM ---------- Previous post was at 02:19 PM ----------

Quote:
Originally Posted by Pumpk1in

Really nice !
The tablet is not butter smooth, but really close to ! For a Nexus 7... it's an amazing improvement.

Any custom kernel to advise ?

Any LOS compatible kernel should work.

Sent from my OnePlus X using XDA Labs
29th November 2017, 05:00 PM |#11  
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Quote:
Originally Posted by Pumpk1in

Really nice !
The tablet is not butter smooth, but really close to ! For a Nexus 7... it's an amazing improvement.

Any custom kernel to advise ?

Like geko95gek said, any LineageOS compatible kernel should work. The reason why I chose AndDiSa's kernel is that it seems to provide a relatively good experience and the battery seems to last longer between charges. However, if anyone else has any recommendations for a custom kernel, let everyone know your experience with the kernel.
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Tags
android 7.1.2 nougat, crdroid, grouper, nexus 7, nougat 7.1

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