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dusklight/platforms/android/README.md
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2026-08-05 07:54:31 -06:00

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# Android Shell
This directory contains Dusklight's Android shell built on top of Borealis.
## Prerequisites
- Android SDK installed (`ANDROID_HOME`)
- Android NDK version used by CMake presets (`ANDROID_NDK_VERSION`)
- JDK 17+
Example:
```bash
export ANDROID_HOME="$HOME/Android/Sdk"
export ANDROID_NDK_VERSION="29.0.14206865"
export JAVA_HOME="/usr/lib/jvm/java-17-openjdk"
```
## Build Native Libraries
```bash
cmake --preset android-arm64
cmake --build --preset android-arm64
```
This build produces `build/android-arm64/libmain.so`
## Build APK
```bash
cd platforms/android
./gradlew :app:assembleDebug
```
Output APK:
- `app/build/outputs/apk/debug/app-arm64-v8a-debug.apk`
Aurora needs a hardware-backed graphics adapter. If an AVD has GPU
acceleration disabled, launch it with `-gpu host`.
## Launch With Runtime Args (adb)
You can pass command-line args through the activity intent:
```bash
adb shell am start -n dev.twilitrealm.dusk/.DuskActivity \
--es borealis_args "--backend vulkan"
```
Supported extras:
- `borealis_args`: single shell-like argument string
- `borealis_argv`: string-array argv
The legacy `dusk_args` and `dusk_argv` names remain accepted during the shell
transition.