# wx.startDeviceMotionListening(Object object)
Start from base library version 2.3.0. Please remaining backward compatible.
Starts listening on device orientation changes.
# Parameters
# Object object
| Attribute | Type | Default | Required | Description |
|---|---|---|---|---|
| interval | string | normal | No | The execution interval of the callback function for device orientation change listening |
| success | function | No | The callback function for a successful API call | |
| fail | function | No | Callback function for failed API call | |
| complete | function | No | Callback function used when API call completed (always executed whether call succeeds or fails) |
Valid values of object.interval
| Value | Description | Minimum Version |
|---|---|---|
| game | The execution interval of the callback for game updates, which is about 20 ms. | |
| ui | The execution interval of the callback for UI updates, which is about 60 ms. | |
| normal | The normal callback interval, which is about 200 ms. |