How to support UIScrollViewKeyboardDismissModeInteractive?

[beamercola]

Dragging down separates the box from the keyboard. Is there any way to live-update the frame of this?

[fphilipe]

To be honest, I've never even heard of UIScrollViewKeyboardDismissModeInteractive. I guess you could add a keyboard accessory view and use KVO on its frame to get notified of the new position. Hope this helps.

[wdeng]

DismissModeInteractive can be seen in the Attributes Inspector of scollView, basically is to panning down the keyboard.

However, I tried to inspect the frame of InputAccessoryView. The frame is within keyboard's bound, so it never changes.

[wdeng]

Sorry, just found out you can use converPoint:toView: ...

[beamercola]

Interesting, could you provide an example? having a hard time wrapping my head around it

[luohui8891]

Hi, same problem. Which notification of system can be observed the keyboards frame changing in the animation?

[fphilipe]

@luohui8891 Use KVO on the accessory view's frame and then, as @inskyder said, use convertPoint:toView:.

[luohui8891]

@fphilipe , got it. Thank you.

[rudensm]

I suggest to use https://github.com/danielamitay/DAKeyboardControl instead of UIScrollViewKeyboardDismissModeInteractive. It has much easier interface and additionally you can set there a keyboardTriggerOffset property.

[wdeng]

According to the visual animation of Facebook Messenger, I guess what they use is something like DAkeyboard or get the keyboard frame as accessory view's superview and modify it with input textView.