Android Arsenal:
http://android-arsenal.com/
Android Developers Blog:
http://android-developers.blogspot.com/
http://developer.android.com/develop/index.html
Google i/o 2015:
https://events.google.com/io2015/
Google design Guidelines:
http://www.google.com/design/articles/design-from-ios-to-android/
icons:
https://www.google.com/design/icons/
Backend for Android:
https://www.parse.com/
https://www.firebase.com/
Android Security:
https://www.airpair.com/android/posts/adding-tampering-detection-to-your-android-app
https://manifestsecurity.com/android-application-security-part-21/
Android Dev Sumit:
FYI Android Dev Summit Videos are on youtube.
Day two https://www.youtube.com/ watch?v=JtdqDvgWGNA
Security Tools:
CodePath Resources:
RecyclerView:
https://www.youtube.com/watch?v=imsr8NrIAMs
http://guides.codepath.com/android/Using-the-RecyclerView#defining-a-model
http://guides.codepath.com/android/Using-the-RecyclerView#defining-a-model
Android UI:
Security Tools:
Android Arsenal link: http://android-arsenal.com/details/1/2769
2. Drozer-
Android UI testing w/ espresso:
testing: