ios - Chaos in debugger during to get keyboard rect -
when keyboard rectangle appears, move views. worked best answer question attempt implement in swift.
when program tries uikeyboardframeenduserinfokey
value found nil
. if cast value nsvalue
has value of nsrect
type. if try cast nsrect
error "undeclared type". if cast cgrect
nil
. what's going on here?
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