/// <summary>
/// Removes an observer from the payment queue.
///
/// If there are no observers attached to the queue,
/// the payment queue does not synchronize its list of pending transactions with the Apple App Store,
/// because there is no observer to respond to updated transactions.
/// </summary>
/// <param name="observer">The observer to remove.</param>
public static void RemoveTransactionObserver(ISN_iSKPaymentTransactionObserver observer)
{
m_observers.Remove(observer);
if (m_observers.Count == 0)
{
//we have no observer's atm, have to disable observation on a native side
ISN_SKLib.API.SetTransactionObserverState(false);
}
}
/// <summary>
/// Adds an observer to the payment queue.
///
/// Your application should add an observer to the payment queue during application initialization.
/// If there are no observers attached to the queue, the payment queue does not synchronize its list
/// of pending transactions with the Apple App Store,
/// because there is no observer to respond to updated transactions.
///
/// If an application quits when transactions are still being processed,
/// those transactions are not lost. The next time the application launches,
/// the payment queue will resume processing the transactions.
/// Your application should always expect to be notified of completed transactions.
///
/// If more than one transaction observer is attached to the payment queue,
/// no guarantees are made as to the order they will be called in.
/// It is safe for multiple observers to call <see cref="FinishTransaction"/>, but not recommended.
/// It is recommended that you use a single observer to process and finish the transaction.
/// </summary>
/// <param name="observer">The observer to add to the queue.</param>
public static void AddTransactionObserver(ISN_iSKPaymentTransactionObserver observer)
{
m_observers.Add(observer);
if (m_observers.Count == 1)
{
//we have atleas one observer atm, so let's enable observation on a native side
ISN_SKLib.API.SetTransactionObserverState(true);
}
}
