Hello, i used one signal notification push, and have problem. Notification not send. and in onesignal web error:
> Your user failed to be subscribed.
>
> * Your Android app was missing the Android support library.
> * For <strong class='least-strong'>Eclipse</strong>, make sure you've completed <a href='https://documentation.onesignal.com/docs/android-sdk-setup#section-eclipse' target='_blank'>steps 2 - 6 in the first section of our SDK installation documentation</a> that describes how to add the <code>Android Support Library v4</code> as a dependency. For <strong class='least-strong'>Android Studio</strong>, make sure you've followed <a href='https://documentation.onesignal.com/docs/android-sdk-setup#section-android-studio' target='_blank'>step 1.1 of our SDK installation documentation</a> and have the three listed compilation dependencies.
>
> Please follow our troubleshooting steps [here](https://documentation.onesignal.com/docs/all-users-are-shown-as-not-subscribed) to try to solve the issue.
>
> If you're still having trouble, contact us for support.
We haven't detected any subscribed users yet for this platform. Try some of the tips below or contact us for support.
Run OneSignal.SetLogLevel(OneSignal.LOG_LEVEL.DEBUG, OneSignal.LOG_LEVEL.DEBUG);before OneSignal initialization and check your ADB logcat for errors or warnings.
Verify that the OneSignal App ID is correct in your app or site.