i beginner android developer.i writing app witch write calls(incomming,outgoing,missed) android calendar useful informations call.now trying prevent duplicate entries.for example if run app 2x , calendar filled duplicate entries.has got great idea how it?i thought this, save date of last call witch written calendar , continue date. sorry english.
i check see if there exists calendar entry same start/end time before write calendar. make sure same entry never written twice, if app uninstalled/reinstalled.
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