tt-rss-android/res/xml/preferences.xml

<?xml version="1.0" encoding="utf-8"?>

<PreferenceScreen
  xmlns:android="http://schemas.android.com/apk/res/android">
  
   <PreferenceCategory android:title="@string/authentication">
        
        <EditTextPreference android:title="@string/login" android:key="login" android:singleLine="true"></EditTextPreference>
        <EditTextPreference android:title="@string/password" android:key="password" android:singleLine="true" android:password="true"></EditTextPreference>
        <EditTextPreference android:key="ttrss_url" android:title="@string/ttrss_url" android:singleLine="true" textUri="true" android:hint="@string/default_url"></EditTextPreference>
        <!--  <CheckBoxPreference android:defaultValue="true" android:title="@string/auto_login" android:key="auto_login" /> -->                                              
                
    </PreferenceCategory>
   
   <PreferenceCategory android:title="@string/look_and_feel">
      <ListPreference
           android:title="@string/pref_theme"
           android:key="theme"
           android:defaultValue="THEME_DARK"
           android:entries="@array/pref_theme_names"
           android:entryValues="@array/pref_theme_values" android:summary="@string/pref_theme_long"/>  
   </PreferenceCategory>
  
</PreferenceScreen>