php – sending push notifications to multiple android devices using GCM-ThrowExceptions

Exception or error: I am following http://javapapers.com/android/google-cloud-messaging-gcm-for-android-and-push-notifications/? to send push notifications via GCM. Everything works fine but, i am able to send push notification to just one device. Registering another device replaces registration id of previous device. I tried solution provided by Shardool in http://javapapers.com/android/android-multicast-notification-using-google-cloud-messaging-gcm/? but its not working. Any suggestion would be of great …

Android in-app purchase server signature verification using php OpenSSL-ThrowExceptions

Exception or error: In an attempt to follow some of the security guidelines for in-app purchase here: http://developer.android.com/guide/market/billing/billing_best_practices.html I am trying to do signature validation on a server instead of in the app iteself. I would ideally like to use the php openssl libraries and it looks like code such as the following should work: …