The guide for SDK integration is available on Pushwoosh website:
https://docs.pushwoosh.com/platform-docs/pushwoosh-sdk/android-push-notifications
Maven integration:
<dependency>
<groupId>com.pushwoosh</groupId>
<artifactId>pushwoosh</artifactId>
<version>6.7.41</version>
</dependency>
The sample projects are available here:
https://github.com/Pushwoosh/pushwoosh-android-sample
Documentation: https://pushwoosh.github.io/pushwoosh-android-sdk
Pushwoosh team http://www.pushwoosh.com