Rust Binaries

Let us start with a simple application. At the root of an AOSP checkout, create the following files:

hello_rust/Android.bp:

1. rust_binary {
2. name: "hello_rust",
3. crate_name: "hello_rust",
4. srcs: ["src/main.rs"],
5. }

hello_rust/src/main.rs:

1. ```
   //! Rust demo.
   ```

3. ```
   /// Prints a greeting to standard output.
   ```
4. ```
   fn main() {
   ```
5. ```
       println!("Hello from Rust!");
   ```
6. ```
   }
   ```

You can now build, push, and run the binary:

1. m hello_rust
2. adb push "$ANDROID_PRODUCT_OUT/system/bin/hello_rust" /data/local/tmp
3. adb shell /data/local/tmp/hello_rust

1. Hello from Rust!