Getting Started with Erlang: Building application Exercise 1

1. Define Application Callback Module

The percent of file is named Bank_app.erl-module (Bank_app). Percent is specified behaviour is application-behaviour (application). The application function-export ([START/2, STOP/1]) of the callback module is exported. Percent of application when starting a call to start (_type, _args), ("Start ~p ...", [? MODULE]), {OK, self ()}.%% stop application when you call Stop (_state)? I ("Stop ~p!", [? MODULE]), OK.

2. Load Application

Application:load ({application, bank, [{mod, {bank_app, []}}]}).

The APPLICATION:LOAD/1 parameter is a resource description for application,

{application, bank, [{mod, {bank_app, []}}]},
Indicates that the name of the application is Bank and the callback module is Bank_app

Application Resource Description Specific definitions can be found in the documentation:
Http://www.erlang.org/doc/man/app.html

3. Start Application

4. Stop Application

Application:stop (Bank).

5, uninstall Application

Application:unload (Bank).

Getting Started with Erlang: Building application Exercise 1