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Root.WindowStateChanged Event


Occurs when state changes occur, such as maximizing or minimizing the root window.

PC version, Mobile version
The following child objects are attached to the Event object.

Type Name Description
Number state The following values are set.
Constant Value Description
$ MINIMIZE 1 Minimized
$ MAXIMIZE 2 Maximized
$ RESTORE 3 When the size is other than maximize / minimize

For the Mobile version, the state value is an OS-dependent constant.


Added since Ver.4.1.3, Mobile Ver.2.0.0


Expansion since Mobile Ver.3.2.1->

An event is fired when the foreground application changes.

Constant Value Description
$ FRONT 8 Changed from another application to Biz / Browser Mobile
$ BACK 16 Changed from Biz / Browser Mobile to another application


As an exception, it also occurs when the version information dialog of Biz / Browser Mobile is displayed.

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Android version
The following child objects are attached to the Event object.

Type Name Description
Number state The following values are set.
For more information on activities (android.app.Activity class ) and their state transitions , please refer to the Android Developers reference manual.
Constant Value Description
$ RESTORE 3 When the size of the Root window changes
Added since Image
$ ACTIVITY_ON_START 33 When the onStart method of the activity running Biz / Browser AI is called
$ ACTIVITY_ON_RESUME 34 When the onResume method of the activity running Biz / Browser AI is called
$ ACTIVITY_ON_PAUSE 35 When the onPause method of an activity running Biz / Browser AI is called
$ ACTIVITY_ON_STOP 36 When the onStop method of the activity running Biz / Browser AI is called
$ ACTIVITY_ON_RESTART 37 When the onRestart method of the activity running Biz / Browser AI is called