public void launchPurchaseFlow(
Activity activity,
String sku,
int requestCode,
OnPurchaseFinishedListener listener,
String extraData) {
checkSetupDone("launchPurchaseFlow");
asyncFlag.start("launchPurchaseFlow");
Result result;
try {
Bundle buyIntentBundle = connection.getBuyIntent(sku, extraData);
int response = getResponseCodeFromBundle(buyIntentBundle);
if (response != BILLING_RESPONSE_RESULT_OK) {
result = new Result(response, "Unable to buy item");
if (listener != null) listener.onPurchaseFinished(result, null);
} else {
PendingIntent intent = buyIntentBundle.getParcelable(RESPONSE_BUY_INTENT);
this.requestCode = requestCode;
purchaseListener = listener;
activity.startIntentSenderForResult(
intent.getIntentSender(), requestCode, new Intent(), 0, 0, 0);
}
} catch (IntentSender.SendIntentException e) {
result = new Result(HELPER_SEND_INTENT_FAILED, "Failed to send intent.");
if (listener != null) listener.onPurchaseFinished(result, null);
} catch (RemoteException e) {
result = new Result(HELPER_REMOTE_EXCEPTION, "Remote exception while starting purchase flow");
if (listener != null) listener.onPurchaseFinished(result, null);
}
}
/**
* Handles an activity result that's part of the purchase flow in in-app billing. If you are
* calling {@link #launchPurchaseFlow}, then you must call this method from your Activity's {@link
* android.app.Activity@onActivityResult} method. This method MUST be called from the UI thread of
* the Activity.
*
* @param requestCode The requestCode as you received it.
* @param resultCode The resultCode as you received it.
* @param data The data (Intent) as you received it.
* @return 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.
*/
public boolean handleActivityResult(int requestCode, int resultCode, Intent data) {
Result result;
if (requestCode != this.requestCode) return false;
checkSetupDone("handleActivityResult");
asyncFlag.end();
if (data == null) {
result = new Result(HELPER_BAD_RESPONSE, "Null data in IAB result");
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(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 == Activity.RESULT_OK && responseCode == BILLING_RESPONSE_RESULT_OK) {
if (purchaseData == null || dataSignature == null) {
result =
new Result(HELPER_UNKNOWN_ERROR, "IAB returned null purchaseData or dataSignature");
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(result, null);
}
return true;
}
Purchase purchase;
try {
purchase = new Purchase(purchaseData, dataSignature);
String sku = purchase.getSku();
if (!security.verifyPurchase(purchaseData, dataSignature)) {
result =
new Result(
HELPER_VERIFICATION_FAILED, "Signature verification failed for sku " + sku);
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(result, purchase);
}
return true;
}
} catch (JSONException e) {
e.printStackTrace();
result = new Result(HELPER_BAD_RESPONSE, "Failed to parse purchase data.");
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(result, null);
}
return true;
}
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(
new Result(BILLING_RESPONSE_RESULT_OK, "Success"), purchase);
}
} else if (resultCode == Activity.RESULT_OK) {
if (purchaseListener != null) {
result = new Result(responseCode, "Problem purchashing item.");
purchaseListener.onPurchaseFinished(result, null);
}
} else if (resultCode == Activity.RESULT_CANCELED) {
result = new Result(HELPER_USER_CANCELLED, "User canceled.");
if (purchaseListener != null) {
purchaseListener.onPurchaseFinished(result, null);
}
} else {
result = new Result(HELPER_UNKNOWN_PURCHASE_RESPONSE, "Unknown purchase response.");
if (purchaseListener != null) purchaseListener.onPurchaseFinished(result, null);
}
return true;
}