Function apksigner_sign_command 

pub fn apksigner_sign_command(
    toolchain: &AndroidToolchain,
    signing: &ResolvedSigningConfig,
    input: &Utf8Path,
    output: &Utf8Path,
    current_dir: &Utf8Path,
) -> Result<CommandSpec, AndroidError>

Build the apksigner sign command without exposing a password value.

Errors

Returns an error when apksigner is absent or a password source is invalid.