76 lines
2.9 KiB
Markdown
76 lines
2.9 KiB
Markdown
# adevtool
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Android ROM device support and bringup tool, designed for maximum automation and speed.
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[](https://asciinema.org/a/kCWUN6XcyaDEU6bcoE65rVQrv)
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## Features
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This tool automates the following tasks for devices that mostly run AOSP out-of-the-box (e.g. Google Pixel):
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- Downloading factory images and full OTA packages
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- Generating a list of **proprietary files**
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- Resolving overridden build rules and **building modules from source** (when possible)
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- Extracting, converting, and mounting **factory images**
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- Extracting proprietary files
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- Extracting bootloader and radio **firmware**
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- Finding and adding missing system **properties**
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- Overriding build **fingerprint** to help pass SafetyNet
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- Adding missing **SELinux policies**
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- Adding missing HALs to **vendor interface** manifests
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- Generating resource **overlays** for device configs
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- Fixing privileged app signing **certificates** referenced in SELinux policies
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This typically results in better device support with fewer bugs and issues, and makes it possible to quickly add support for new devices.
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### Non-AOSP devices
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Pixel devices will benefit from the most automation, but several features can still be used to ease manual bringup on other devices:
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- **Extract** files from proprietary-files.txt **[up to 2000% faster than LineageOS extract-utils (speed comparison)](https://asciinema.org/a/eUMNIrKtBrln1CwE1zCUnJO8w)**
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- LineageOS extract-utils: 1 min 27 sec
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- **adevtool: 4 sec**
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- Tested with Pixel 5 (redfin), cache cleared before testing
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- **Compare** a built system against stock images to find missing files, properties, and vendor interface declarations
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- **List** system files relevant to bringup (in all partitions)
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- **Resolve overridden** build rules from build warnings
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- Check SELinux policies to identify apps that should be **presigned**
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## Installation
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Pre-requisites:
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- [Node.js](https://nodejs.org/)
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- Optional:
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- For converting sparse factory images: [simg2img](https://github.com/anestisb/android-simg2img)
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- For extracting OTA packages: [payload-dumper-go](https://github.com/ssut/payload-dumper-go)
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- For extracting OTAs or factory images: `unzip`
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- For generating overlays: [AAPT2](https://developer.android.com/studio/command-line/aapt2) (included in AOSP and Android SDK)
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To run adevtool without installation:
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```bash
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npx adevtool
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```
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To install adevtool globally using npm:
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```bash
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npm install -g adevtool
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```
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Using Yarn:
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```bash
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yarn global add adevtool
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```
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## Usage
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- [Bringing up a new Pixel device](docs/pixel-bringup.md)
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- [Generating or updating an existing device](docs/pixel-generate.md)
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- [Using individual helper commands](docs/commands.md)
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## License
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This tool is licensed under the [MIT license](LICENSE), ensuring that anyone is free to use it for any purpose in compliance with the license. Contributions are welcome!
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