/**
* Reads the set of purchased items from the database in a background thread and then adds those
* items to the set of owned items in the main UI thread.
*/
private void doInitializeOwnedItems() {
Cursor cursor = mPurchaseDatabase.queryAllPurchasedItems();
if (cursor == null) {
return;
}
final Set<String> ownedItems = new HashSet<String>();
try {
int productIdCol = cursor.getColumnIndexOrThrow(PurchaseDatabase.PURCHASED_PRODUCT_ID_COL);
while (cursor.moveToNext()) {
String productId = cursor.getString(productIdCol);
ownedItems.add(productId);
}
} finally {
cursor.close();
}
// We will add the set of owned items in a new Runnable that runs on
// the UI thread so that we don't need to synchronize access to
// mOwnedItems.
mHandler.post(
new Runnable() {
public void run() {
mOwnedItems.addAll(ownedItems);
mCatalogAdapter.setOwnedItems(mOwnedItems);
}
});
}
@Override
protected void onDestroy() {
super.onDestroy();
mPurchaseDatabase.close();
mBillingService.unbind();
}
