有没有办法以编程方式启用或禁用返回键UIKeyboard？我能找到的最接近的是enablesReturnKeyAutomatically,但这只会告诉我是否要禁用它.
UIKeyboard
enablesReturnKeyAutomatically
xcode cocoa-touch objective-c ios
cocoa-touch ×1
ios ×1
objective-c ×1
xcode ×1