Следующее поле
const lastNameRef = useRef();
<TextInput placeholder="Last Name" ref={lastNameRef} />;
Joyous Jackal
const lastNameRef = useRef();
<TextInput placeholder="Last Name" ref={lastNameRef} />;
<TextInput
placeholder="First Name"
returnKeyType="next"
onSubmitEditing={() => {
lastNameRef.current.focus();
}}
blurOnSubmit={false}
/>