Kotlin bindings: create build_sdk script

bindings/kotlin/scripts/build_sdk.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+set -eEu
+
+cd "$(dirname "$0")"
+CURRENT_DIR=$(pwd)
+
+# FOR DEBUG
+#RELEASE_FLAG=""
+#RELEASE_TYPE_DIR="debug"
+#RELEASE_AAR_NAME="sdk-android-debug"
+
+# FOR RELEASE
+RELEASE_FLAG="--release"
+RELEASE_TYPE_DIR="release"
+RELEASE_AAR_NAME="sdk-android-release"
+
+SRC_ROOT=../../..
+# Path to the kotlin root project
+KOTLIN_ROOT=..
+
+BASE_TARGET_DIR="${SRC_ROOT}/target"
+SDK_ROOT="${KOTLIN_ROOT}/sdk/sdk-android"
+SDK_TARGET_DIR="${SDK_ROOT}/src/main/jniLibs"
+BUILD_DIR="${SDK_ROOT}/build"
+GENERATED_DIR="${BUILD_DIR}/generated/source/${RELEASE_TYPE_DIR}"
+mkdir -p ${GENERATED_DIR}
+
+AAR_DESTINATION=$1
+
+# Build libs for all the different architectures
+
+echo -e "Building for x86_64-linux-android[1/5]"
+cargo ndk --target x86_64-linux-android -o ${SDK_TARGET_DIR}/ build "${RELEASE_FLAG}" -p matrix-sdk-ffi
+
+echo -e "Building for aarch64-linux-android[2/5]"
+cargo ndk --target aarch64-linux-android -o ${SDK_TARGET_DIR}/ build "${RELEASE_FLAG}" -p matrix-sdk-ffi
+
+echo -e "Building for armv7-linux-androideabi[3/5]"
+cargo ndk --target armv7-linux-androideabi -o ${SDK_TARGET_DIR}/ build "${RELEASE_FLAG}" -p matrix-sdk-ffi
+
+echo -e "Building for i686-linux-android[4/5]"
+cargo ndk --target i686-linux-android -o ${SDK_TARGET_DIR}/ build "${RELEASE_FLAG}" -p matrix-sdk-ffi
+
+# this one is used only for the uniffi-bindgen --lib-file parameter
+# as it doesn't work with the generated .so file from cargo ndk
+echo -e "Building for aarch64-apple-darwin[5/5]"
+cargo build -p matrix-sdk-ffi ${RELEASE_FLAG} --target "aarch64-apple-darwin"
+
+# Generate uniffi files
+echo -e "Generate uniffi kotlin file"
+uniffi-bindgen generate "${SRC_ROOT}/bindings/matrix-sdk-ffi/src/api.udl" \
+  --language kotlin \
+  --out-dir ${GENERATED_DIR} \
+  --lib-file "${BASE_TARGET_DIR}/aarch64-apple-darwin/${RELEASE_TYPE_DIR}/libmatrix_sdk_ffi.a" \
+
+# Create android library
+cd "${KOTLIN_ROOT}"
+./gradlew :sdk:sdk-android:assemble
+cd "${CURRENT_DIR}"
+
+echo -e "Moving the generated aar file to ${AAR_DESTINATION}/matrix-rust-sdk.aar"
+mv "${BUILD_DIR}/outputs/aar/${RELEASE_AAR_NAME}.aar" "${AAR_DESTINATION}/matrix-rust-sdk.aar"
+
+# Clean-up
+echo -e "Cleaning up temporary files"
+
+rm -r "${BUILD_DIR}"
+rm -r "${SDK_TARGET_DIR}"
+