Look4Sat-BA7OPF/app/src/main/res/xml/preference.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory android:title="Ground station location settings">
        <EditTextPreference
            android:defaultValue="0.0"
            android:key="lat"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="Latitude" />
        <EditTextPreference
            android:defaultValue="0.0"
            android:key="lon"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="Longitude" />
        <EditTextPreference
            android:defaultValue="0.0"
            android:key="alt"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="Altitude" />
    </PreferenceCategory>
    <PreferenceCategory android:title="Satellite pass settings">
        <EditTextPreference
            android:defaultValue="8"
            android:key="hours"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:summary="Show passes that occur within this time window"
            android:title="Hours ahead" />
        <EditTextPreference
            android:defaultValue="16"
            android:key="minEl"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:summary="Show passes with maximum elevation above"
            android:title="Minimum elevation" />
    </PreferenceCategory>
    <PreferenceCategory android:title="Other settings">
        <EditTextPreference
            android:defaultValue="3000"
            android:key="updateFreq"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:summary="RadarView and MapView update frequency, ms"
            android:title="View update interval" />
    </PreferenceCategory>
</PreferenceScreen>