90 lines
3.8 KiB
Markdown
90 lines
3.8 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 Android version:
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- Android 8 (GPU enabled)
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- Android 9 (GPU enabled)
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- Android 10 (ongoing)
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## Quick Started via Docker
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*ReDroid* runs on modern linux (currently require kernel version 4.14+), and require some Android specific
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drivers (binder, ashmem at least) check [kernel modules](https://github.com/remote-android/redroid-modules)
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for more details.
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```bash
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# quick install kernel driver via docker, change *NODE_OS* to actual OS (ubuntu:18.04 for example)
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docker run --cap-add CAP_SYS_MODULE <NODE_OS> --entrypoint bash <(curl -s https://raw.githubusercontent.com/remote-android/redroid-modules/master/deploy/build.sh)
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# start a ReDroid instance via docker
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docker run -v ~/data:/data -itd -p 5900:5900 -p 5555:5555 --rm --memory-swappiness=0 --privileged redroid/redroid
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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=goldfish
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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.density=320
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- redroid.fps=15
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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|minigbm_intel]
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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.
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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 x86 *ReDroid* instance with `libhoudini`, `ARM translater` or `Qemu translater`
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check [Native Bridge](./native_bridge.md) for more details.
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## GMS
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It's possible to add GMS (Google Mobile Service) support in *ReDroid* instance via Google packages or `MicroG`.
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check [GMS](./gms.md) for more details.
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## WebRTC
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Compared with RFB (VNC), WebRTC is more versatile (audio / video / camera support...).
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*ReDroid* is planning to implement WebRTC protocol. Check [WebRTC](./webrtc.md) for more details.
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## Build
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1. setup build environment, check [AOSP setup](https://source.android.com/setup/build/initializing#installing-required-packages-ubuntu-1404)
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section. Suggest build with [docker](https://android.googlesource.com/platform/build/+/master/tools/docker)
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2. `repo init https://github.com/remote-android/platform_manifests.git -b redroid-8.1.0` (you can change to other branches, such as
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redroid-9.0.0, redroid-10.0.0)
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3. `. build/envsetup.sh && lunch`
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4. choose `redroid_x86_64-userdebug` or `redroid_arm64-userdebug`
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5. run `m` to build all
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## Contributing
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Contributing is always welcome (especially the `HAL` part). Please make minimal changes to AOSP code.
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## Workarounds
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- SElinux is disabled in *ReDroid*; check [selinuxns POC](http://namei.org/presentations/selinux_namespacing_lca2018.pdf)
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- sdcardfs currently not implemented as modules, use `fuse` instead;
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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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