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Laplace mobile application

Install the Android NDK and SDK

  1. Install Java Runtime Environment, for example openjdk-jre.
  2. Download Android SDK Command line tools for your platform.
  3. Unpack cmdline-tools and put it to the android-sdk directory. WARNING! Make location to the content of the tools archive as android-sdk/cmdline-tools/latest/.
  4. Setup ANDROID_SDK_ROOT env variable to the android-sdk location and add the android-sdk/cmdline-tools/latest/bin/ to the PATH env variable.
  5. Install SDK components:
$ sdkmanager "ndk;23.1.7779620" "platforms;android-23" "platform-tools" "build-tools;32.0.0"
  1. Setup ANDROID_NDK_ROOT env variable to the $ANDROID_SDK_ROOT/ndk/23.1.7779620/ location.
  2. Add necessary build targets:
$ rustup target add --toolchain stable aarch64-linux-android
$ rustup target add --toolchain stable i686-linux-android
  1. Install cargo-apk tool and build project:
$ cargo install cargo-apk
$ cargo +stable apk build --lib --release

WARNING! If you get an error like this:

  = note: ld: error: unable to find library -lgcc
          clang-12: error: linker command failed with exit code 1 (use -v to see invocation)

Then patch your toolchain libraries with:

$ echo 'INPUT(-lunwind)' > ~/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/aarch64-linux-android/lib/libgcc.a