A way of disabling a UIMotionEffect without removing it.

Originator:oliver
Number:rdar://21680394 Date Originated:2015-07-07
Status:Open Resolved:
Product:iOS SDK Product Version:8.4
Classification:Enhancement Reproducible:N/A
 
Summary:
I think it would be useful for a developer to be able to disable a UIMotionEffect without removing it.  When disabled the motion effect would not update the but it would not restore remove its effect.  

Eg:
1. you tilt the device - the motion changes the view's values
2. you disable the effect - the motion effect stops updating the view's values but _doesn't_ reset the relative change to zero (unlike when you remove the effect)
3. You tilt the device
4. You re-enable the effect - the motion effect updates the views values (smoothly - no jumping).

In an app I'm working on I want to disable a motion effect while the user is using a long press to reorder a collection of views and then re-enable it when the long press ends.  Currently removing the effects causes views to jump around which is quite visually jarring.

Steps to Reproduce:
N/A

Expected Results:
N/A

Actual Results:
The API doesn't support this directly.  I'm now investigating ways or working around this.

Version:
Xcode Version 6.4 (6E35b)

Notes:


Configuration:
iOS 8.4 SDK

Attachments:

Comments


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