Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>No, you would not be able to adjust the beacon latency. As Apple says in <a href="https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/LocationAwarenessPG/RegionMonitoring/RegionMonitoring.html#//apple_ref/doc/uid/TP40009497-CH9-SW1" rel="nofollow">Region Monitoring Guide</a>:</p> <blockquote> <p>To prevent spurious notifications, iOS does not deliver region notifications until certain threshold conditions are met. Specifically, the user’s location must cross the region boundary and move away from that boundary by a minimum distance and remain at that minimum distance for at least 20 seconds before the notifications are reported.</p> </blockquote> <p>Apple does not define what the latency is, it seems it's not fast enough for your application.</p> <p>You can have a tradeoff - to implement beacon ranging yourself using Core Bluetooth and listen to the CBPeripheral advertisement events while scanning and range using RSSI:</p> <blockquote> <p><a href="https://developer.apple.com/library/mac/documentation/CoreBluetooth/Reference/CBCentralManagerDelegate_Protocol/translated_content/CBCentralManagerDelegate.html#//apple_ref/occ/intfm/CBCentralManagerDelegate/centralManager%3adidDiscoverPeripheral%3aadvertisementData%3aRSSI%3a" rel="nofollow">centralManager:didDiscoverPeripheral:advertisementData:RSSI:</a></p> </blockquote> <p>If you are using a custom beacon, such as the <a href="http://git.io/GWUoVw" rel="nofollow">RadiusNetworks VirtualiBeacon VM image</a> you can adjust the frequency of the advertisements. The flip side your app must run in the foreground opposed to CoreLocation delivering beacon events even when your app is not running.</p>
    singulars
    1. This table or related slice is empty.
    1. PORanging an iBeacon latency
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USbarbazoo
    1. USbarbazoo
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PORanging an iBeacon latency
      singulars
      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    3. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTBountyClose
    1. COIt would seem possible to use the Beacon signaling to get a user to wake you app up, then when frontmost start using Core Bluetooth to get more detailed info, then shut Core Bluetooth down when you move into the background again.
      singulars
      1. PO
      1. USDavid H
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload