Removes the contact identified by uid from this.
| this |
An BookCache |
| uid |
the uid of the contact to remove |
| custom_flags |
custom flags for the contact with the given |
| offline_flag |
one of CacheOfflineFlag, whether removing this contact in offline |
| cancellable |
optional Cancellable object, or null |
|
true on success, otherwise false is returned and throws is set appropriately. |