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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">The <a href="https://github.com/aerogear/ionic-showcase" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">Ionic showcase app</a> only receives a message when UnifiedPush Server send it directly to the device using the <b>alias</b> registered for the device.</p> <p style="margin: 10px 0 0 0">UnifiedPush Server when sending a message with no criteria uses the <a href="https://firebase.google.com/docs/cloud-messaging/android/topic-messaging" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">FCM topic</a> with the same name of the UnifiedPush Variant Id to reach all the devices registered on that.</p> <p style="margin: 10px 0 0 0">In the registration process the library needs to:</p> <p style="margin: 10px 0 0 0">1. Register the device on UPS<br> 1. Subscribe the FCM topic VariantID<br> 1. Subscribe the FCM topic for all categories used on the registration process.</p> <p style="margin: 10px 0 0 0">The JS library misses the step 2 and 3 and that is why the UPS for JS only works for the alias.</p> <p style="margin: 10px 0 0 0">The problem is our JS library is pure JS and there is no way to subscribe the topic using pure JS</p> <p style="margin: 10px 0 0 0">—</p> <p style="margin: 10px 0 0 0">The Firebase JS library <a href="https://github.com/firebase/firebase-js-sdk/blob/master/packages/messaging-types/index.d.ts" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">does not provide a way to subscribe to topics</a></p> <p style="margin: 10px 0 0 0">The old AeroGear library <a href="https://github.com/aerogear/aerogear-cordova-push/blob/master/plugin.xml#L56" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">aerogear-cordova-push</a> handle this problem delegating it to the native <a href="https://github.com/aerogear/aerogear-cordova-push/blob/master/src/android/org/jboss/aerogear/cordova/push/PushPlugin.java#L191-L219" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">aerogear-android-push</a> witch delegates it to the <a href="https://github.com/aerogear/aerogear-android-push/blob/master/library/src/main/java/org/jboss/aerogear/android/unifiedpush/fcm/AeroGearFCMPushRegistrar.java#L189-L194" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">Firebase Android library</a></p> <p style="margin: 10px 0 0 0">The official <a href="https://github.com/phonegap/phonegap-plugin-push" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">phonegap-plugin-push</a> also <a href="https://github.com/phonegap/phonegap-plugin-push/blob/master/plugin.xml#L45" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">delegates</a> it to the <a href="https://github.com/phonegap/phonegap-plugin-push/blob/master/plugin.xml#L45)" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">Firebase Androd library</a></p> </td>
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