@Override
public void onChange(boolean selfUpdate) {
if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) {
log("presence changed, invalidate cache");
}
invalidateCache();
}
public static void invalidateCache() {
if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) {
log("invalidateCache");
}
// While invalidating our local Cache doesn't remove the contacts, it will mark them
// stale so the next time we're asked for a particular contact, we'll return that
// stale contact and at the same time, fire off an asyncUpdateContact to update
// that contact's info in the background. UI elements using the contact typically
// call addListener() so they immediately get notified when the contact has been
// updated with the latest info. They redraw themselves when we call the
// listener's onUpdate().
sContactCache.invalidate();
}