Android Permissions

All you ever wanted to know about Android permissions

android.permission.READ_CONTACTS

read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.

Belongs to:

android.permission-group.SOCIAL_INFO

Your social information
Direct access to information about your contacts and social connections.