Android Question Google Calendar one way sync

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Hello,

I have this code to do the sync:

       Dim jo, jo1 As JavaObject
        Dim cls As JavaObject = jo.InitializeStatic("android.content.ContentResolver")
        Dim context As JavaObject = jo1.InitializeNewInstance("android.os.Bundle", Null)
        cls.RunMethod("requestSync", Array As Object(Null, Null, context))

How can I sync just one way? from the phone to the cloud

Thanks in advance