107 lines
4.4 KiB
Markdown
107 lines
4.4 KiB
Markdown
English | [简体中文](zh/)
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# ReDroid
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**ReDroid** (Remote Android) is a lightweight GPU accelerated Android Emulator. You can boot many
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instances in Linux host or any Linux container envrionments (`Docker`, `K8S`, `LXC` etc.).
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*ReDroid* supports both arm64 and x86_64 architectures. You can connect to *ReDroid* througth
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`VNC` or `WebRTC` (TODO) or `adb shell`. *ReDroid* is suitable for Cloud Gaming,
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VDI / VMI (Virtual Mobile Infurstrure), Automation Test and more.
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Currently supported:
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- Android 11 (`redroid/redroid:11.0.0-latest`, `redroid/redroid:11.0.0-amd64`, `redroid/redroid:11.0.0-arm64`)
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- Android 10 (`redroid/redroid:10.0.0-latest`, `redroid/redroid:10.0.0-amd64`, `redroid/redroid:10.0.0-arm64`)
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- Android 9 (`redroid/redroid:9.0.0-latest`, `redroid/redroid:9.0.0-amd64`, `redroid/redroid:9.0.0-arm64`)
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- Android 8.1 (`redroid/redroid:8.1.0-latest`, `redroid/redroid:8.1.0-amd64`, `redroid/redroid:8.1.0-arm64`)
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## Quick Start
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*ReDroid* runs on modern linux (kernel 4.14+), and require some Android specific modules (binder, ashmem at least)
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check [kernel modules](https://github.com/remote-android/redroid-modules) for more.
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```bash
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# install kernel modules
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sudo bash -c "`curl -s https://raw.githubusercontent.com/remote-android/redroid-modules/master/deploy/build.sh`"
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# start ReDroid instance
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docker run -v ~/data:/data -itd -p 5900:5900 -p 5555:5555 --rm --memory-swappiness=0 --privileged redroid/redroid:10.0.0-latest
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## explains:
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## -v ~/data:/data -- mount data partition
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## -p 5900:5900 -- 5900 for VNC connect, you can connect via VncViewer with <IP>:5900
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## -p 5555:5555 -- 5555 for adb connect, you can run `adb connect localhost`
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```
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## Start Params
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required params (already added in image args)
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- qemu=1
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- androidboot.hardware=redroid
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display params
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- redroid.width=720
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- redroid.height=1280
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- redroid.fps=15
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- ro.sf.lcd_density=320
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GPU accelerating
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*ReDroid* use mesa3d to accelerate 3D rendering.
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- qemu.gles.vendor=mesa
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- ro.hardware.gralloc=minigbm
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you can override system props prefixed with `qemu.` or `ro.`. for example, you can set `ro.secure=0`, then
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you can get root adb shell by default.
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## Deployment
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*ReDroid* support different deploy methods, check [Deploy](./deploy.md) for more details.
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- Docker
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- K8S
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- virsh-lxc / lxd
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- kata-runtime (microVM)
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- Package Manager
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## Native Bridge
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It's possible to run Arm Apps in x64 *ReDroid* instance with `libhoudini`, `libndk_translator` or `Qemu translater`
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Check [Native Bridge](./native_bridge) for more.
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## GMS
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It's possible to add GMS (Google Mobile Service) support in *ReDroid* via Google packages or `MicroG`.
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Check [GMS](./gms.md) for more.
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## WebRTC
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Compared with `RFB` (VNC), `WebRTC` is more versatile (audio / video / camera / sensors data...).
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*ReDroid* is planning to implement `WebRTC` protocol. Check [WebRTC](./webrtc.md) for more.
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## Build
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Same as AOSP building process. check [AOSP setup](https://source.android.com/setup/build/initializing#installing-required-packages-ubuntu-1404)
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Check [ReDroid build](./build.md) for more.
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## Troubleshooting
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- cannot connect to network (cannot `ping`)
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- `adb shell boot_completed.redroid.sh`
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- VNC screen hang
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- try `stop vncserver && start vncserver`
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- or reboot *ReDroid* instance `docker restart ...`
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- icon in launcher gone
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- if switching between GPU / swiftshader (soft), try to clear launcher data or entire data partition
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- `fuse` setup failed
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- try `modprobe fuse`
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## Contributing
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Contributing is always welcome (especially the `HAL` part). check [Contributing](./contributing.md) for more
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## Workarounds
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- SElinux is disabled in *ReDroid*; possible enabled with [selinuxns POC](http://namei.org/presentations/selinux_namespacing_lca2018.pdf)
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- sdcardfs currently not implemented, use `fuse` instead; may need run `modprobe fuse` first in some OS (AmazonLinux2?)
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- CGroups errors ignored; some cgroups path not same with generic linux, and some (`stune` for example) not supported
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- `procfs` not fully seperated with host OS; community use `lxcfs` and some cloud vendor ([TencentOS](https://github.com/Tencent/TencentOS-kernel)) enhanced in their own kernel.
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- vintf verify disabled (since no kernel)
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## License
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*ReDroid* itself is under [Apache License](https://www.apache.org/licenses/LICENSE-2.0), since *ReDroid* includes
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many 3rd party modules, you may need to examine license carefully.
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*ReDroid* kernel modules are under [GPL v2](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
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