Adds or replaces contacts in this.
If extras is specified, it must have an equal length as the contacts list. Similarly the non-NULL
custom_flags length should be the same as the length of the contacts. Each element from the extras list
and custom_flags list will be stored in association with its corresponding contact in the contacts list.
| this |
An BookCache |
| contacts |
A list of contacts to add to this |
| extras |
A list of extra data to store in association with the |
| custom_flags |
optional custom flags to use for the |
| offline_flag |
one of CacheOfflineFlag, whether putting these contacts in offline |
| cancellable |
optional Cancellable object, or null |
|
true on success, otherwise false is returned and throws is set appropriately. |