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POPayPal Integration with Android
primarykey
Id
11234743
data
AcceptedAnswerId
11277800
AnswerCount
3
ClosedDate
CommentCount
2
CommunityOwnedDate
CreationDate
2012-06-27T21:00:38.097
FavoriteCount
5
LastActivityDate
2016-07-22T14:02:14.090
LastEditDate
2012-06-30T20:58:32.013
LastEditorUserId
1034697
OwnerUserId
1034697
ParentId
0
PostTypeId
1
Score
2
ViewCount
1904
LastEditorDisplayName
text
Body
I have seen some related questions but none focusing on the specific problem I have: I'm using the PayPal MPL Library. I build my PayPalPayment object, then create the activity for the checkout to occur. That runs fine. My problem is, on the ResultDelegate I need to call a function from my activity, that occurs after the payment and makes some changes (such as storing SharedPreferences, etc.). So something like this: <pre><code>public class ResultDelegate implements PayPalResultDelegate, Serializable { public void onPaymentSucceeded(String payKey, String paymentStatus) { System.out.println("SUCCESS, You have successfully completed your transaction."); System.out.println("PayKey: "+payKey); System.out.println("PayStatus: "+paymentStatus); callMyCustomAfterPaymentFunction(); } ... } </code></pre> Now the thing is, I tried to create a constructor for ResultDelegate that accepts my activity. My existing code is: <pre><code>//On the activity class public class MainMenuActivity extends Activity { public void onCreate(Bundle savedInstanceState) { ... Button buy = (Button) findViewByID(R.id.buy_button); buy.setOnClickListener(new View.OnClickListener(){ public void onClick(View v) { new PurchaseTask(activity).execute(); } } } } public class PurchaseTask extends AsyncTask <String, Void, String> { protected String doInBackground() { ... PayPal pp = PayPal.getInstance(); CheckoutButton cb = pp.getCheckoutButton(...); cb.setOnClickListener(new View.OnClickListener(){ public void onClick(View v){ ResultDelegate delegate = new ResultDelegate(myActivity); Intent checkout = PayPal.getInstance().checkout(paument, activity, delegate); activity.StartActivity(checkoutIntent); } } } } //On the ResultDelegate class public class ResultDelegate implements PayPalResultDelegate, Serializable { private Activity myActivity; public void onPaymentSucceeded(String payKey, String paymentStatus) { System.out.println("SUCCESS, You have successfully completed your transaction."); System.out.println("PayKey: "+payKey); System.out.println("PayStatus: "+paymentStatus); myActivity.performAfterPaymentOperations(); } ... } </code></pre> So the goal is to call the activity function from the ResultDelegate. Or even simpler, just to be able to store some SharedPreference changes when the ResultDelegate onPaymentSucceeded() fires. But I get a NotSerializableException mentioning that the my MyActivity field is not Serializable. So, then I added the transient identifier to my activity field inside the ResultDelegate, but now I get a NullPointerException.
Tags
<android><paypal>
Title
PayPal Integration with Android
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1. PO
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PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USVasco Patricio
UserOwnerUserId
1. USVasco Patricio
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1. This table or related slice is empty.
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1. PO
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2. PO
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1. COis your `Delegate` a sperate Thread? Please post a SSCCE. or post your `Activty` and `Delegate` code.
 singulars
 PostPostId
 POPayPal Integration with Android
 UserUserId
 USAqif Hamid
2. COI assume so. The PayPal activity is called through an Intent. The ResultDelegate is a PayPal class subclassed to make a custom one, then used as a parameter when creating the PayPal activity. The subclassing of ResultDelegate allows you to place your own code in the onPaymentSucceeded() listener, which fires when the PayPalActivity completes a payment. However, I cannot access my activity from inside the ResultDelegate, which is crucial. Code edited for better readability and details added.
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 POPayPal Integration with Android
 UserUserId
 USVasco Patricio

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