QtContacts Tracker

Engine Parameters

timeout Timeout (in ms) after which sync requests should be canceled. 0 for no timeout.
Default value 0.
tracker-timeout Unused
coalescing-delay Delay to wait (in ms) before emitting one of the contactsAdded/Changed/Removed (or relationshipsAdded/Removed) signals, to get a chance to coalesce them together.
Default value: 0.
writeback Controls which details are written to Tracker on saving.
Valid values: "", a comma separated list of detail names, or "all"
Default value: all details except QContactPresence
debug Controls what debug messages are printed on the console
Valid values (separated by ","):
  • queries: print all queries (SELECT and UPDATE)
  • selects: print all SELECT queries
  • updates: print all UPDATE queries
  • models: print the computed result set after a SELECT
  • timing: print timing information about requests
  • signals: print debug information about change signals
  • no-sec: disable security credentials checks
  • no-nagging: don't print warning messages when using waitForFinished()
Default value: ""
contact-types Filters the type of contacts fetched by the engine
Valid values (separated by ","): any value of QContactType::type()
Default values: "" (fetch all types)
concurrency Unused
batch-size Unused
gc-limit Numbers of contacts saved/removed after which garbage collection should be triggered
Default value: 100
graph-iri IRI to use for the engine graph
Default value: urn:uuid:08070f5c-a334-4d19-a8b0-12a3071bfab9
guid-algorithm Name of the GUID algorithm to use
Valid values: "default", "cellular" (depends on CelullarQt)
Default value: "default"
default-sync-target Default value for the QContactSyncTarget set on saved contacts
Default value: "addressbook"
weak-sync-target List of sync targets to replace with default-sync-target when saving a contact
Valid values: a comma separated list of sync targets, or "all"
Default value: "telepathy"