Android 5.0 APIs

https://developer.android.com/about/versions/android-5.0.html
https://developer.android.com/sdk/api_diff/21/changes.html



Update your target API level
Important Behavior Changes
User Interface
Notifications
Graphics
Media
Storage
Wireless and Connectivity
Project Volta
Android in the Workplace and in Education
System
Printing Framework
Testing & Accessibility
IME
Manifest Declarations