When there are few messages in the chat and the keyboard is opened the text messages bounce up and down.
Bouncing occurs when the height of the content inside the chat listview is lower than the height of the keyboard
The problem is reproduced sporadically on different platforms or devices. As a workaround you would need to add the same images to platform projects. Please find the images attached.
On iOS, need a way to dismiss the keyboard that doesn't require tapping the "Return" key, On Android, this is done with a tap gesture. On iOS this is usually done with a swipe down gesture.