public IOSInAppPurchases()
{
this.transactionObserver = new IOSTransactionObserver();
// 添加交易結果的 Observer
SKPaymentQueue.DefaultQueue.AddTransactionObserver(this.transactionObserver);
}
public void Dispose()
{
if (this.transactionObserver != null)
{
// 移除交易結果的 Observer
SKPaymentQueue.DefaultQueue.RemoveTransactionObserver(this.transactionObserver);
this.transactionObserver.Dispose();
this.transactionObserver = null;
}
}