apps dev / LifeCycle & Event

I'll touch a basic event of a android application.

When understanding an event processing and a life cycle, please consult.

A person besides the developer beginner will know mechanism of an application (activity) and manage smart phone, too.


Text indication and toast indication are done at the time of life cycle event occurrence.

The method necessary to an event processing is indicated.

A layout of a display is indicated.


It's being used for indication of a browser search and advertisement.
・ACCESS_NETWORK_STATE
・INTERNET