Android: No specific array resource found?

Question

I have a strange (?) Error in my Android app. I defined some arrays in values ​​/arrays.xml as follows:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <array name="perimeter">
        <item>10 miles</item>
        <item>20 miles</item>
        <item>30 miles</item>
    </array>

    <array name="regvalues">
        <item>1</item>
        <item>2</item>
        <item>3</item>
    </array>
</resources>

Now I want to use them in the ListPreference for PreferenceActivity (defined by the XML file). Therefore, I set android:entries="@array/perimeter" android:entryValues="@array/regvalues"ListPreference for this function. When I try to use this on my device, the application crashes. (NullPointer in Dialog.close ()) If I try to use regvalues ​​as entries for ListPreference, I get NullPointer in ArrayAdapter.createViewFromResource (int, View, ViewGroup, int): 355

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Answer 1

string-array array s. int s.