bvitaliyg questions

• Why NotificationManager works so slow during the update progress?
• When Google will release ActionBarCompat? [closed]
• How to add Google Play Services for Froyo to the project using Gradle?
• onCreateOptionsMenu() called twice in Fragment
• Google Play Music API for Android
• ViewDragHelper: how to use it?
• What is the best practice to group items into CardView?
• How to extend Java annotation?

bvitaliyg answers