1. To build the example first run ionic cordova platform add android or ionic cordova platform add ios.
2. Next run ionic cordova plugin add onesignal-cordova-plugin
3. Open src/app/app.component.ts and update "5c9ca215-e7c5-4214-8a45-6f2e1b84c12f" with your OneSignal App Id.
4. Build then run the app on your device.

See our Ionic v1 branch if you are still mantaining an older project.

See OneSignal's Ionic SDK Setup guide for full instructions on adding to your existing project.