How do I stop my screen from going to sleep while in VR??

I followed the settings at https://developers.google.com/vr/daydream/dev-kit-setup -- I thought Do Not Disturb access for Google VR Services would take care of this -- but my screen just shuts off according to the regaulr Sleep settings. My expectation was that VR would override this and stay "awake" but it's not doing that. I had this issue on both my Nexus 6P as well as the new Pixel XL phone that I just arrived today.

 

Just realized something: my Pixel phone has no idea when it's placed inside a non-Daydream headset, which is all I have until Daydream View ships in a few weeks. I understand those have an NFC chip that tells the phone to kick into VR, and I assume this will also tell the phone to keep its screen awake. (Am I right, Google?)

 

Screen.sleepTimeout is set to Never in GvrController.cs - if that ever moves to the OS, we'll change accordingly.

 

Hi,

We're having the opposite problem. We've got a Google VR app that's being deployed in a museum. We'd like it to go to sleep when not being used. We've written code (see below) that changes the sleepTimeout in Unity to be under the control of the OS when the device hasn't been moved for a while. However, whatever we do we can't seem to get the phone to goto sleep -- it always seems to stick in NeverSleep mode.

I've posted the code below. However, we've tried even simpler scripts (e.g. Screen.sleepTimeout = SleepTimeout.SystemSetting in the Update function) and it seems to be impossible to take control of screen sleeping. We've got the OS sleep time setting set to 15 secs, and it works in other apps.

Thanks for your help in advance,

Jon

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3.  
4. public class ScreenSleep : MotionDetector
5. {
6.     public float sensitivity = 0.1f;
7.     public float timeToSleep = 60.0f;
8.  
9.     private float lastMovement;
10.     private bool awake;
11.  
12.     void Start ()
13.     {
14.         awake = true;
15.         Screen.sleepTimeout = SleepTimeout.NeverSleep;
16.         lastMovement = Time.timeSinceLevelLoad;
17.     }
18.  
19.     void Update ()
20.     {
21.         base.Update ();
22.  
23.         if(hp.magnitude > sensitivity)
24.         {
25.             if (awake)
26.             {
27.                 lastMovement = Time.timeSinceLevelLoad;
28.             }
29.             else
30.             {
31.                 awake = true;
32.                 Screen.sleepTimeout = SleepTimeout.NeverSleep;
33.             }
34.         }
35.         else  if (awake && Time.timeSinceLevelLoad - lastMovement > timeToSleep)
36.         {
37.             awake = false;
38.             Screen.sleepTimeout = SleepTimeout.SystemSetting;
39.         }
40.     }
41. }

Code (csharp):

1.  
2. using UnityEngine;
3. using System.Collections;
4. using UnityEngine.UI;
5.  
6. public class MotionDetector : MonoBehaviour
7. {
8.     public float hpSensitivity = 0.1f;
9.     public Text debug;
10.     public bool showDebug;
11.  
12.     protected Vector3 lp;
13.     protected Vector3 hp;
14.  
15.     void Start ()
16.     {
17.         hp = new Vector3 (0.0f, 0.0f, 0.0f);
18.         debug.text = "";
19.     }
20.  
21.     protected virtual void Update ()
22.     {
23.         Vector3 a = Input.acceleration;
24.         lp.x = ((1.0f - hpSensitivity) * lp.x) + (hpSensitivity * a.x);
25.         lp.y = ((1.0f - hpSensitivity) * lp.y) + (hpSensitivity * a.y);
26.         lp.z = ((1.0f - hpSensitivity) * lp.z) + (hpSensitivity * a.z);
27.  
28.         hp.x = a.x - lp.x;
29.         hp.x = a.y - lp.y;
30.         hp.x = a.z - lp.z;
31.  
32.         if (showDebug)
33.         {
34.             string msg = string.Format ("{0}, {1}, {2}, {3}", hp.x, hp.y, hp.z, hp.magnitude);
35.             debug.text = msg;
36.         }
37.     }
38. }
39.