/// <summary>
/// Handles an activity result that's part of the purchase flow in in-app billing. If you
/// are calling <seealso cref="#launchPurchaseFlow"/>, then you must call this method from your
/// Activity's <seealso cref="android.app.Activity@onActivityResult"/> method. This method
/// MUST be called from the UI thread of the Activity.
/// </summary>
/// <param name="requestCode"> The requestCode as you received it. </param>
/// <param name="resultCode"> The resultCode as you received it. </param>
/// <param name="data"> The data (Intent) as you received it. </param>
/// <returns> Returns true if the result was related to a purchase flow and was handled;
/// false if the result was not related to a purchase, in which case you should
/// handle it normally. </returns>
public bool handleActivityResult(int requestCode, int resultCode, Intent data)
{
IabResult result;
if (requestCode != mRequestCode)
{
return false;
}
checkNotDisposed();
checkSetupDone("handleActivityResult");
// end of async purchase operation that started on launchPurchaseFlow
flagEndAsync();
if (data == null)
{
logError("Null data in IAB activity result.");
result = new IabResult(IABHELPER_BAD_RESPONSE, "Null data in IAB result");
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, null);
}
return true;
}
int responseCode = getResponseCodeFromIntent(data);
string purchaseData = data.GetStringExtra(RESPONSE_INAPP_PURCHASE_DATA);
string dataSignature = data.GetStringExtra(RESPONSE_INAPP_SIGNATURE);
if (resultCode == (int)Result.Ok && responseCode == BILLING_RESPONSE_RESULT_OK)
{
logDebug("Successful resultcode from purchase activity.");
logDebug("Purchase data: " + purchaseData);
logDebug("Data signature: " + dataSignature);
logDebug("Extras: " + data.Extras);
logDebug("Expected item type: " + mPurchasingItemType);
if (purchaseData == null || dataSignature == null)
{
logError("BUG: either purchaseData or dataSignature is null.");
logDebug("Extras: " + data.Extras.ToString());
result = new IabResult(IABHELPER_UNKNOWN_ERROR, "IAB returned null purchaseData or dataSignature");
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, null);
}
return true;
}
Purchase purchase = null;
try
{
purchase = new Purchase(mPurchasingItemType, purchaseData, dataSignature);
string sku = purchase.Sku;
// Verify signature
if (!Security.verifyPurchase(mSignatureBase64, purchaseData, dataSignature))
{
logError("Purchase signature verification FAILED for sku " + sku);
result = new IabResult(IABHELPER_VERIFICATION_FAILED, "Signature verification failed for sku " + sku);
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, purchase);
}
return true;
}
logDebug("Purchase signature successfully verified.");
}
catch (JSONException e)
{
logError("Failed to parse purchase data.");
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
result = new IabResult(IABHELPER_BAD_RESPONSE, "Failed to parse purchase data.");
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, null);
}
return true;
}
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(new IabResult(BILLING_RESPONSE_RESULT_OK, "Success"), purchase);
}
}
else if (resultCode == (int)Result.Ok)
{
// result code was OK, but in-app billing response was not OK.
logDebug("Result code was OK but in-app billing response was not OK: " + getResponseDesc(responseCode));
if (mPurchaseListener != null)
{
result = new IabResult(responseCode, "Problem purchashing item.");
mPurchaseListener.onIabPurchaseFinished(result, null);
}
}
else if (resultCode == (int)Result.Canceled)
{
logDebug("Purchase canceled - Response: " + getResponseDesc(responseCode));
result = new IabResult(IABHELPER_USER_CANCELLED, "User canceled.");
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, null);
}
}
else
{
logError("Purchase failed. Result code: " + Convert.ToString(resultCode) + ". Response: " + getResponseDesc(responseCode));
result = new IabResult(IABHELPER_UNKNOWN_PURCHASE_RESPONSE, "Unknown purchase response.");
if (mPurchaseListener != null)
{
mPurchaseListener.onIabPurchaseFinished(result, null);
}
}
return true;
}
public RunnableAnonymousInnerClassHelper2(RunnableAnonymousInnerClassHelper outerInstance, IabResult result_f, Inventory inv_f)
{
this.outerInstance = outerInstance;
this.result_f = result_f;
this.inv_f = inv_f;
}
/// <summary>
/// Initiate the UI flow for an in-app purchase. Call this method to initiate an in-app purchase,
/// which will involve bringing up the Google Play screen. The calling activity will be paused while
/// the user interacts with Google Play, and the result will be delivered via the activity's
/// <seealso cref="android.app.Activity#onActivityResult"/> method, at which point you must call
/// this object's <seealso cref="#handleActivityResult"/> method to continue the purchase flow. This method
/// MUST be called from the UI thread of the Activity.
/// </summary>
/// <param name="act"> The calling activity. </param>
/// <param name="sku"> The sku of the item to purchase. </param>
/// <param name="itemType"> indicates if it's a product or a subscription (ITEM_TYPE_INAPP or ITEM_TYPE_SUBS) </param>
/// <param name="requestCode"> A request code (to differentiate from other responses --
/// as in <seealso cref="android.app.Activity#startActivityForResult"/>). </param>
/// <param name="listener"> The listener to notify when the purchase process finishes </param>
/// <param name="extraData"> Extra data (developer payload), which will be returned with the purchase data
/// when the purchase completes. This extra data will be permanently bound to that purchase
/// and will always be returned when the purchase is queried. </param>
public void launchPurchaseFlow(Activity act, string sku, string itemType, int requestCode, OnIabPurchaseFinishedListener listener, string extraData)
{
checkNotDisposed();
checkSetupDone("launchPurchaseFlow");
flagStartAsync("launchPurchaseFlow");
IabResult result;
if (itemType.Equals(ITEM_TYPE_SUBS) && !mSubscriptionsSupported)
{
IabResult r = new IabResult(IABHELPER_SUBSCRIPTIONS_NOT_AVAILABLE, "Subscriptions are not available.");
flagEndAsync();
if (listener != null)
{
listener.onIabPurchaseFinished(r, null);
}
return;
}
try
{
logDebug("Constructing buy intent for " + sku + ", item type: " + itemType);
Bundle buyIntentBundle = mService.GetBuyIntent(3, mContext.PackageName, sku, itemType, extraData);
int response = getResponseCodeFromBundle(buyIntentBundle);
if (response != BILLING_RESPONSE_RESULT_OK)
{
logError("Unable to buy item, Error response: " + getResponseDesc(response));
flagEndAsync();
result = new IabResult(response, "Unable to buy item");
if (listener != null)
{
listener.onIabPurchaseFinished(result, null);
}
return;
}
PendingIntent pendingIntent = (PendingIntent)buyIntentBundle.GetParcelable(RESPONSE_BUY_INTENT);
logDebug("Launching buy intent for " + sku + ". Request code: " + requestCode);
mRequestCode = requestCode;
mPurchaseListener = listener;
mPurchasingItemType = itemType;
act.StartIntentSenderForResult(pendingIntent.IntentSender, requestCode, new Intent(), ActivityFlags.BroughtToFront, ActivityFlags.BroughtToFront, Convert.ToInt32(0));
}
catch (Android.Content.IntentSender.SendIntentException e)
{
logError("SendIntentException while launching purchase flow for sku " + sku);
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
flagEndAsync();
result = new IabResult(IABHELPER_SEND_INTENT_FAILED, "Failed to send intent.");
if (listener != null)
{
listener.onIabPurchaseFinished(result, null);
}
}
catch (RemoteException e)
{
logError("RemoteException while launching purchase flow for sku " + sku);
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
flagEndAsync();
result = new IabResult(IABHELPER_REMOTE_EXCEPTION, "Remote exception while starting purchase flow");
if (listener != null)
{
listener.onIabPurchaseFinished(result, null);
}
}
}
