Identity – With this permission the app can find accounts on the device, see and modify the owner’s contact card and add or remove contacts from the device. The permission **group CONTACTS deals with the user’s contacts while ACCOUNT_MANAGER deals with the user’s accounts.**
<uses-permission android:name="android.permission-group.CONTACTS"/>
<uses-permission android:name="android.permission.ACCOUNT_MANAGER"/>
At code level one can set permission by using **https://developer.android.com/training/permissions/requesting.html**
First check
// Assume thisActivity is the current activity
int permissionCheck = ContextCompat.checkSelfPermission(thisActivity,
Manifest.permission.group.CONTACTS);
möglich doppelte Frage pls dies überprüfen https://stackoverflow.com/questions/33295810/where -ist-die-app-erlaubnis-für-identität-in-android-marshmallow –