||Listener interface for applications interested in orientation related events
in the system.
||Orientation class is used for getting and setting UI orientation.
Package com.nokia.mid.ui.orientation Description
This document defines the Nokia Orientation API.
This API provides applications access to display orientation and to control applications own UI orientation. Using this API, applications can:
- Get the current display orientation.
- Get the application's current UI orientation.
- Set the application's UI orientation.
- Register to be notified when display orientation has changed.
Any MIDlet that wishes to adapt its UI orientation to be portrait, landscape or manually adjusted, following tag must be declared in the JAD file:
Possible values for JAD tag are:
The MIDlet supports portrait mode only. MIDlet cannot set its UI orientation using method
The MIDlet supports landscape mode only. MIDlet cannot set its UI orientation using method
The MIDlet can support either portrait or landscape mode and therefore its default orientation can match the display orientation. When the MIDlet
is started its orientation will initially follow device's display orientation. If the MIDlet wishes to adjust its orientation, it must do so manually
through the Orientation API using
setAppOrientation method. Java platform does not support automatic orientation so that the MIDlets UI
automatically follows display orientation.
Orientation capability is used by the java platform to set MIDlet orientation at launch time. This also affects MIDlet splash screen and if MIDlet has
splash screen defined, its image orientation follows the value of the JAD tag.
The tag is not mandatory, and if missing, the MIDlet is assumed to support default display orientation only,
which may vary between devices. In the absence of JAD tag, method
setAppOrientation cannot be used. However methods for getting application
and display orientations and registering orientation listener for display orientation changes can be used regardless of the JAD tag value.
The version string of Orientation API is determined by the system property
com.nokia.mid.ui.orientation.version. If Orientation API is not present in the device,
null is returned as version string.
Current version of Orientation API is 1.0
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