Asks this to store credentials for source.
Default implementation returns false and sets NOT_SUPPORTED error.
If an error occurs, the function sets throws and returns false.
| this | |
| source |
an Source |
| credentials |
an NamedParameters containing credentials to store |
| permanently |
whether to store credentials permanently, or for the current session only |
| cancellable |
optional Cancellable object, or null |
|
true on success, false on error |