in the app I am developing it is possible to buy additional Features. After I uninstall the app the shared preferences are gone. How can I check wether I bought the inApp-Product after a new installation.
Thanks in advance!
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in the app I am developing it is possible to buy additional Features. After I uninstall the app the shared preferences are gone. How can I check wether I bought the inApp-Product after a new installation.
Thanks in advance!
You should use the Restore Transactions request to obtain information about billed items. Read more here.