BREW App State Transition based BREW3.1.x

 

 

 

Related Explain as below:

1

Code:

APPSTATE_STOPPED -> APPSTATE_STARTING

Request for app to start. If app can be started then, 2 or 3-based on

whether it has to be started in FG or BG.

2.1 and 2.2

Code:

APPSTATE_STARTING -> APPSTATE_TOP_VISIBLE or APPSTATE_BACKGROUND

Based on whether it has to be started in FG or BG.

2.1 Send EVT_APP_START

2.2 Send EVT_APP_START_BACKGROUND

 

 

 

 

 

3.1

Code:

APPSTATE_TOP_VISIBLE -> APPSTATE_SUSPENDED

On EVT_APP_SUSPEND

3.2

Code:

APPSTATE_SUSPENDED -> APPSTATE_TOP_VISIBLE

On EVT_APP_RESUME

4.1

Code:

APPSTATE_TOP_VISIBLE -> APPSTATE_BACKGROUND

On EVT_APP_STOP, set dwParam to FALSE. The top-visible application can force

the EVT_APP_STOP event by calling ISHELL_CloseApplet() on itself.

4.2

Code:

APPSTATE_BACKGROUND -> APPSTATE_TOP_VISIBLE

Any background application may return to the foreground by calling

ISHELL_StartApplet() on itself, which will make it top-visible.

5

Code:

APPSTATE_BACKGROUND    }

APPSTATE_TOP_VISIBLE   } -> APPSTATE_CLOSING

APPSTATE_SUSPENDED     }

On EVT_APP_STOP event.Can come when

 - BREW closes the application on shutdown

 - Call ISHELL_CloseApplet() with the clsid of the app.

Code:

APPSTATE_CLOSING -> APPSTATE_STOPPED

App closed and item removed from history