Merge pull request #32 from mendix/encryptionkey-constant

#810110: Mention that Encryption.EncryptionKey needs a value
mendix · Jun 16, 2016 · 539b943 · 539b943
2 parents 72793f2 + f957472
commit 539b943
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diff --git a/README.md b/README.md
@@ -135,6 +135,11 @@ Add the `PushNotifications_Administration` page to the project navigation. This
 
 At this point you can deploy your application to the Mendix cloud. If you are using a Free App, simply click the `Run` button.
 
+> You should make sure that the `Encryption.EncryptionKey` constant has a value before you start the application. If the value is not set, you will get a NullPointerException when you try to send a notification to APNs.
+>
+> If you are using a Free App, you should set a default value for the constant in the model. Otherwise, you can configure the constant value in the Mendix Cloud Portal.
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 ### Step 9 - Set up access to APNs and GCM
 
 Set up access to APNs and GCM and configure them in your application. Note that starting with GCM is recommended because it is significantly less complicated than setting up APNs.