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Derek Derek8,744 Points
what is the purpose if "Extract string resource"?
what is the purpose if "Extract string resource" when you can just leave the strings as they are?
Keli'i Martin8,227 Points
For small apps, string resources are probably a bit overkill. Yes, it's true that you can leave strings hard-coded in your files. Where string resources really become useful is when you need to localize your app for different regions. Having your strings in these resources instead of hard-coding them allows you to have different string resources for different languages. Imagine needing to go and change all strings in your app, including text on buttons, labels, etc, for all the different languages you need to support.
That's just one advantage to using string resources as opposed to hard-coded strings.