# Retrieves the `Bool` extra stored with the corresponding name
	fun extra_bool(name: String, def_value: Bool): Bool
	do
		sys.jni_env.push_local_frame(1)
		var nit_bool = intent.boolean_extra(name.to_java_string, def_value)
		sys.jni_env.pop_local_frame
		return nit_bool
	end