rustup target add aarch64-linux-android
cargo install cargo-xdk

cd ~/work/rust_projects
cargo new foo # 创建可执行程序为目标的工程，放在 foo 目录
cd foo
vim src/main.rs

export ANDROID_NDK_HOME=${ANDROID_NDK}

# 默认的编译输出目录
cargo xdk -t arm64-v8a build --release
adb push target/aarch64-linux-android/release/foo /data/local/tmp/
adb shell "cd /data/local/tmp; chmod +x ./foo; ./foo"

# 或者： 另行拷贝输出到 jniLibs 目录
cargo xdk -t arm64-v8a -o ./jniLibs build --release
adb push jniLibs/arm64-v8a/foo /data/local/tmp
adb shell "cd /data/local/tmp; chmod +x ./foo; ./foo"