android - Does hard coding of string affect performance?

Question

Whenever I make any app I always hardcode the string instead of referencing it from string resource from XML. App works fine but gives me warning to use @string resource

Example button:

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="click here" />

My question is whether it will affect my application performance if I do so or it(@string resource) is just used for internationalization.

Answer 1

This is an Android lint warning to help you with localization.

Technically, hard coding strings would make your app perform a little better, as it won't have to look up the string from the corresponding R int each time. However, this performance difference will be negligible, and no human will be able to notice it.

However, you should always keep your String resources in the values folder as it makes localization very easy.