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feat: Add Android platform release targets with integrated JNI support #1145

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feat: Add Android platform release targets with integrated JNI support #1145

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ecab411
Add Android platform release targets and integrate JNI support
n8fr8 Jun 3, 2025
b48e2f1
Merge branch 'main' into dev_build_android_local
scouten-adobe Jun 5, 2025
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3 changes: 3 additions & 0 deletions c_api/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,9 @@ serde_json = "1.0"
thiserror = "1.0.64"
zip = { version = "3.0.0", default-features = false, features = ["deflate"] }

[target.'cfg(target_os = "android")'.dependencies]
jni = { version = "0.21", optional = false }

[dev-dependencies]
tempfile = "3.7.0"

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42 changes: 42 additions & 0 deletions c_api/Makefile
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Expand Up @@ -107,6 +107,48 @@ release-linux-gnu-arm:
cargo build --target=aarch64-unknown-linux-gnu $(CARGO_BUILD_FLAGS)
@$(call make_zip,$(TARGET_DIR)/aarch64-unknown-linux-gnu/release,aarch64-unknown-linux-gnu)


##Android NDK needs to be in your environment
##export ANDROID_NDK_HOME=${NDK_HOME} // https://developer.android.com/ndk
##we currently recommend: android-ndk-r26d

release-android: release-android-arm64 release-android-x86_64

release-android-arm64: android-install-deps
rustup target add aarch64-linux-android
RUSTFLAGS='-C link-arg=-s' cargo ndk -t arm64-v8a build $(CARGO_BUILD_FLAGS)
@$(call make_zip,$(TARGET_DIR)/aarch64-linux-android/release,aarch64-linux-android)

release-android-x86_64: android-install-deps
rustup target add x86_64-linux-android
RUSTFLAGS='-C link-arg=-s' cargo ndk -t x86_64 build $(CARGO_BUILD_FLAGS)
@$(call make_zip,$(TARGET_DIR)/x86_64-linux-android/release,x86_64-linux-android)

cache/ndk/android-ndk-r26d: cache/ndk.zip
unzip -n -d cache/ndk cache/ndk.zip
touch cache/ndk.zip #MacOS' unzip might delete the zip file, so recreate an empty file to calm make.

cache/ndk.zip:
mkdir -p cache

ifeq ($(OS),Windows_NT)
wget https://dl.google.com/android/repository/android-ndk-r26d-windows.zip -O $@
else ifeq ($(shell uname), Linux)
wget https://dl.google.com/android/repository/android-ndk-r26d-linux.zip -O $@
else ifeq ($(shell uname), Darwin)
wget https://dl.google.com/android/repository/android-ndk-r26d-darwin.zip -O $@
else
@echo "No NDK found for your system, please download it by yourself."
@false
endif

android-install-deps: cache/ndk/android-ndk-r26d cargo-ndk

cargo-ndk:
ifeq ($(shell command -v cargo-ndk),)
cargo install cargo-ndk
endif

# make release
# Builds and packages a zip for c_api for each platform
ifeq ($(PLATFORM), mac)
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