Hello,
Based on iPhone Application Programming Guide document:
"Avoid updating your windows and views. While in the background, your
application’s windows and views are not visible, so you should not try to
update them. Although creating and manipulating window and view objects in the
background will not cause your application to be terminated, this work should
be postponed until your application moves to the foreground."
Can iOS4 make a suspended task come to foreground when a trigger occur? For
example, in a voip app, an incoming call is received while the app is in
background, can it make the voip app (currently in the background) into
foreground (making the current loaded app suspended to background)? This way,
any update on the windows or views can be done immediately (since the app will
be forced to be loaded into foreground). Or will it like be on Push service
that only notification can be shown? What can be the best way to implement when
this scenario happens?
Thanks in advance!
Regards,
Angie
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