rust-to-flutter/rust_to_flutter.sh
2025-01-11 12:39:51 +02:00

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#!/bin/bash
set -e
# Check for required arguments
if [ "$#" -ne 2 ]; then
echo "Usage: $0 <rust_project_folder> <flutter_project_folder>"
exit 1
fi
# Convert to absolute paths
RUST_PROJECT_FOLDER=$(cd "$1" && pwd)
FLUTTER_PROJECT_FOLDER=$(cd "$2" && pwd)
# Supported targets for Android
ANDROID_ARCHS=("arm64-v8a" "armeabi-v7a" "x86_64" "x86")
ANDROID_TARGETS=("aarch64-linux-android" "armv7-linux-androideabi" "x86_64-linux-android" "i686-linux-android")
IOS_TARGETS=("aarch64-apple-ios" "x86_64-apple-ios")
# Check if on macOS for iOS targets
if [[ "$OSTYPE" == "darwin"* ]]; then
INCLUDE_IOS_TARGETS=true
else
INCLUDE_IOS_TARGETS=false
echo "Skipping iOS targets as this is not a macOS environment."
fi
# Enter the Rust project folder
cd "$RUST_PROJECT_FOLDER" || exit
# Function to check and install missing targets
install_missing_targets() {
for target in "${@}"; do
if ! rustup target list --installed | grep -q "$target"; then
echo "Installing target: $target"
rustup target add "$target"
else
echo "Target already installed: $target"
fi
done
}
# Install required targets
install_missing_targets "${ANDROID_TARGETS[@]}"
if [ "$INCLUDE_IOS_TARGETS" = true ]; then
install_missing_targets "${IOS_TARGETS[@]}"
fi
# Cleanup
echo "Cleaning Build Directory"
cargo clean
# Compile for each Android architecture using cargo-ndk
for arch in "${ANDROID_ARCHS[@]}"; do
echo "Compiling for Android architecture: $arch..."
cargo ndk -t "$arch" build --release
done
# Compile for each iOS target if on macOS
if [ "$INCLUDE_IOS_TARGETS" = true ]; then
for target in "${IOS_TARGETS[@]}"; do
echo "Compiling for iOS target: $target..."
cargo build --release --target "$target"
done
fi
# Copy compiled libraries to Flutter project for Android
for i in "${!ANDROID_ARCHS[@]}"; do
arch=${ANDROID_ARCHS[$i]}
target=${ANDROID_TARGETS[$i]}
RELEASE_DIR="target/$target/release"
LIB_FILE=$(find "$RELEASE_DIR" -maxdepth 1 -name "lib*.so" | head -n 1)
if [ -n "$LIB_FILE" ]; then
DEST_DIR="$FLUTTER_PROJECT_FOLDER/android/app/src/main/jniLibs/$arch"
mkdir -p "$DEST_DIR"
cp "$LIB_FILE" "$DEST_DIR/"
echo "Copied $arch library to $2/android/app/src/main/jniLibs/$arch"
else
echo "No .so files found for $arch in $RELEASE_DIR"
fi
done
# Copy compiled libraries to Flutter project for iOS
if [ "$INCLUDE_IOS_TARGETS" = true ]; then
IOS_DEST_DIR="$FLUTTER_PROJECT_FOLDER/ios"
mkdir -p "$IOS_DEST_DIR"
for target in "${IOS_TARGETS[@]}"; do
RELEASE_DIR="target/$target/release"
LIB_FILE=$(find "$RELEASE_DIR" -maxdepth 1 -name "lib*.so" | head -n 1)
if [ -n "$LIB_FILE" ]; then
cp "$LIB_FILE" "$IOS_DEST_DIR/"
echo "Copied $target library to $IOS_DEST_DIR"
else
echo "No library found for $target in $RELEASE_DIR"
fi
done
fi
echo "Compilation and library copying completed successfully."