[ONE Android Development] Agent_fabulous:
Cosmic-OS is a Custom ROM based on Android Open Source Project (AOSP) with additional features, performance and battery life improvements.

/*
* Your warranty is... still valid?
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/

Based On AOSP 7.1.1_r21:

Doze pulse

Screen-off gestures

Blur customizations

LED customizations

Substratum theme engine (OMS7)

Navigation bar:

Dynamic navbar color

Smartbar customizations

Fling & Pulse

Hardware keys:

Volume keys control media volume

Volume button wake

Music control

Volume button swap

Volume key cursor control

Power + volume up behavoir

Volume down for do not disturb

Volume up in do not disturb

Do not disturb switch

Navigation key customizations

Disable navigation buttons

Lockscreen:

Center screen Shortcuts

Longpress shortcuts

Lockscreen swipe shortcuts

Lockscreen weather

Double-tap to sleep

Lockscreen torch

Lockscreen charging info

Notification drawer:

Quick pulldown

Smart pulldown

Force expanded notifications

Disable brightness slider

Disable quick settings when locked

QS tile titles

Advanced QS Easy Toggle

QS tile row/column count

Custom header image

Status bar:

Battery styles

Custom carrier label

Clock settings

Ticker

Network traffic

Status bar icons

Double-tap to sleep

Slide brightness control

Notification count

Bluetooth battery status

Recents:

Hidden apps

Memory bar

Immersive Recents

Clear all button

Omniswitch

And many more being added every day

Instructions for flashing:

Download ROM and GApps.

Copy ROM and GApps to internal storage.

Wipe /data, /system and /cache.

Flash ROM and GApps (And any mods you use)

Enjoy :P

Instructions for update:

Download ROM and GApps.

Copy ROM and GApps to internal storage.

Flash ROM and GApps (And any mods you use)

Note: First boot and boots after every update can take some time. They may even loop a few times. We do not support custom kernels or mods like MultiROM. If you have an issue, make sure your edits aren't interfering with the issue you're reporting.

Official Builds | GApps

Device Tree | Kernel | ROM​

Credits:

- LineageOS

- Dirty Unicorns, SlimROM and OmniROM for contributions to Cosmic-OS

- @sagarshah1729 and @Agent_fabulous for Cosmic-OS

- @nikhil18 for lightning kernel

- @Apayah and @iRhyiku for testing my builds

- @freshgiammi, @amardeep434 and everyone else who has helped get SultanXDA's HAL working.

Have a feature request? Don't spam here. Visit our Google Plus community or Telegram group

Cosmic-OS Official Website: Cosmic-OS

Cosmic-OS Google Plus community: G+

Cosmic-OS Official Telegram group: Telegram

XDA:DevDB Information

Cosmic OS for OnePlus One, ROM for the OnePlus One

Contributors

Agent_fabulous, ZerNico

ROM OS Version: 7.x Nougat

ROM Kernel: Linux 3.4.x

Based On: AOSP

Version Information

Status: Stable

Created 2017-01-28

Last Updated 2017-03-29