returns a list of all owned product ids . concode_field_sep Map<String,SkuDetails> mSkuMap concode_elem_sep Map<String,Purchase> mPurchaseMap concode_field_sep void erasePurchase concode_elem_sep void addSkuDetails concode_elem_sep Purchase getPurchase concode_elem_sep boolean hasDetails concode_elem_sep List<Purchase> getAllPurchases concode_elem_sep void addPurchase concode_elem_sep boolean hasPurchase concode_elem_sep SkuDetails getSkuDetails
List < String > function ( ) { return new ArrayList < String > ( mPurchaseMap . keySet ( ) ) ; }