Where to store Android preference keys?

Question

When I create preference activity I define all preferences in xml file. Every preference has a key defined in this xml. But when I access preference I write:

Answer 1

I've found that it's possible to store keys in strings.xml and refer to them from preferences.xml just like all other values android:key="@string/preference_enable".

In code you can refer to key by typing getString(R.string.preference_enable)

You can mark the string to not be translated using a tag. See Localization Checklist

enable