How to enable the TextView and TextField controls in iOS to support the return key to collect input methods

The TextView and TextField controls are controls in iOS that are responsible for receiving user input, so how do I close the panel when the user input is complete?

The first reaction of the 1.TextView and TextField control to get focus is to pop the input Panel;

2. The way to get TextView and textfield out of focus is to call Resignfirstresponder.

3. Implemented in the TextView (Shouldchangetextinrange) and TextField (Shouldreturn) methods.

How to enable the TextView and TextField controls in iOS to support the return key to collect input methods