sample-android-java-standalone-tool: A C repository from yrom

Example project to run Java standalone tool (with JNI) on android without creating an apk.

Requirements:

- Android SDK 
    - platform-tools (adb)
    - build-tools 30.0.2
    - platforms android-30
- JDK >= 11
- NDK r22 / r23 

Building:

    ANDROID_NDK_STANDALONE=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/darwin-x86_64 \
        make all

Run:

    adb shell mkdir /data/local/tmp/helloworld
    adb push --sync build/helloworld.jar  build/libhello.so  build/helloworld /data/local/tmp/helloworld/
    adb shell chmod a+x /data/local/tmp/helloworld/helloworld

    adb shell /data/local/tmp/helloworld/helloworld

Refs:

- https://raccoon.onyxbits.de/blog/run-java-app-android/

yrom/sample-android-java-standalone-tool