As you may have heard, Google is deprecating GCM finally on May 29, 2019. If you are using the PushBots SDK you must upgrade to the latest versions that use FCM instead of GCM to make sure your apps are compatible.
Here are the instructions on how to do so using PushBots SDK.
Native SDK
1. open build.gradle, remove this line:
implementation ‘com.google.android.gms:play-services-gcm:12.*’
2. Update android SDK to 3.2.8:
implementation 'com.google.firebase:firebase-messaging:17.0.0'
implementation 'com.pushbots:pushbots-lib:3.2.8@aar'Cordova
Upgrade plugin to 1.6.11.
Run this in your terminal in your project folder
cordova plugin update pushbots-cordova-pluginReact native
Upgrade plugin to 1.1.5.
Run this in your terminal in your project folder
npm install pushbots-react-native --save && npm installPhonegap build
Upgrade plugin in config.xml to 1.6.10
<gap:plugin name="pushbots-cordova-plugin" spec="1.6.10" source="npm" />