diff --git a/res/xml/wifi_network_details_fragment2.xml b/res/xml/wifi_network_details_fragment2.xml
index 1c4fe9147a3..eb9add14f66 100644
--- a/res/xml/wifi_network_details_fragment2.xml
+++ b/res/xml/wifi_network_details_fragment2.xml
@@ -58,14 +58,14 @@
         android:title="@string/wifi_security"
         android:selectable="false"/>
 
-    <DropDownPreference
+    <ListPreference
         android:key="metered"
         android:icon="@drawable/ic_attach_money_black_24dp"
         android:title="@string/wifi_metered_title"
         android:entries="@array/wifi_metered_entries"
         android:entryValues="@array/wifi_metered_values"/>
 
-    <DropDownPreference
+    <ListPreference
         android:key="privacy"
         android:icon="@drawable/ic_wifi_privacy_24dp"
         android:title="@string/wifi_privacy_settings"
diff --git a/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java b/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
index 52645aaf4eb..85dc2e427a9 100644
--- a/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
+++ b/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
@@ -21,7 +21,7 @@ import android.content.Context;
 import android.net.wifi.WifiConfiguration;
 
 import androidx.annotation.VisibleForTesting;
-import androidx.preference.DropDownPreference;
+import androidx.preference.ListPreference;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
@@ -30,13 +30,13 @@ import com.android.settings.wifi.WifiDialog2;
 import com.android.wifitrackerlib.WifiEntry;
 
 /**
- * {@link AbstractPreferenceController} that controls whether the wifi network is metered or not
+ * A controller that controls whether the Wi-Fi network is metered or not.
  */
 public class WifiMeteredPreferenceController2 extends BasePreferenceController implements
         Preference.OnPreferenceChangeListener, WifiDialog2.WifiDialog2Listener {
 
     private static final String KEY_WIFI_METERED = "metered";
-    private WifiEntry mWifiEntry;
+    private final WifiEntry mWifiEntry;
     private Preference mPreference;
 
     public WifiMeteredPreferenceController2(Context context, WifiEntry wifiEntry) {
@@ -46,11 +46,11 @@ public class WifiMeteredPreferenceController2 extends BasePreferenceController i
 
     @Override
     public void updateState(Preference preference) {
-        final DropDownPreference dropDownPreference = (DropDownPreference) preference;
+        final ListPreference listPreference = (ListPreference) preference;
         final int meteredOverride = getMeteredOverride();
         preference.setSelectable(mWifiEntry.canSetMeteredChoice());
-        dropDownPreference.setValue(Integer.toString(meteredOverride));
-        updateSummary(dropDownPreference, meteredOverride);
+        listPreference.setValue(Integer.toString(meteredOverride));
+        updateSummary(listPreference, meteredOverride);
     }
 
     @Override
@@ -66,7 +66,7 @@ public class WifiMeteredPreferenceController2 extends BasePreferenceController i
 
         // Stage the backup of the SettingsProvider package which backs this up
         BackupManager.dataChanged("com.android.providers.settings");
-        updateSummary((DropDownPreference) preference, getMeteredOverride());
+        updateSummary((ListPreference) preference, getMeteredOverride());
         return true;
     }
 
@@ -79,7 +79,7 @@ public class WifiMeteredPreferenceController2 extends BasePreferenceController i
         return WifiEntry.METERED_CHOICE_AUTO;
     }
 
-    private void updateSummary(DropDownPreference preference, int meteredOverride) {
+    private void updateSummary(ListPreference preference, int meteredOverride) {
         preference.setSummary(preference.getEntries()[meteredOverride]);
     }
 
diff --git a/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java b/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
index c4849225641..632a5624c4d 100644
--- a/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
+++ b/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
@@ -21,7 +21,7 @@ import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 
 import androidx.annotation.VisibleForTesting;
-import androidx.preference.DropDownPreference;
+import androidx.preference.ListPreference;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
@@ -31,14 +31,13 @@ import com.android.settings.wifi.WifiDialog2;
 import com.android.wifitrackerlib.WifiEntry;
 
 /**
- * {@link AbstractPreferenceController} that controls whether the wifi network is mac randomized
- * or not
+ * A controller that controls whether the Wi-Fi network is mac randomized or not.
  */
 public class WifiPrivacyPreferenceController2 extends BasePreferenceController implements
         Preference.OnPreferenceChangeListener, WifiDialog2.WifiDialog2Listener {
 
     private static final String KEY_WIFI_PRIVACY = "privacy";
-    private WifiManager mWifiManager;
+    private final WifiManager mWifiManager;
     private WifiEntry mWifiEntry;
     private Preference mPreference;
 
@@ -66,16 +65,16 @@ public class WifiPrivacyPreferenceController2 extends BasePreferenceController i
 
     @Override
     public void updateState(Preference preference) {
-        final DropDownPreference dropDownPreference = (DropDownPreference) preference;
+        final ListPreference listPreference = (ListPreference) preference;
         final int randomizationLevel = getRandomizationValue();
         final boolean isSelectable = mWifiEntry.canSetPrivacy();
         preference.setSelectable(isSelectable);
-        dropDownPreference.setValue(Integer.toString(randomizationLevel));
-        updateSummary(dropDownPreference, randomizationLevel);
+        listPreference.setValue(Integer.toString(randomizationLevel));
+        updateSummary(listPreference, randomizationLevel);
 
         // If the preference cannot be selectable, display a temporary network in the summary.
         if (!isSelectable) {
-            dropDownPreference.setSummary(R.string.wifi_privacy_settings_ephemeral_summary);
+            listPreference.setSummary(R.string.wifi_privacy_settings_ephemeral_summary);
         }
     }
 
@@ -90,7 +89,7 @@ public class WifiPrivacyPreferenceController2 extends BasePreferenceController i
             mWifiEntry.disconnect(null /* callback */);
             mWifiEntry.connect(null /* callback */);
         }
-        updateSummary((DropDownPreference) preference, privacy);
+        updateSummary((ListPreference) preference, privacy);
         return true;
     }
 
@@ -124,7 +123,7 @@ public class WifiPrivacyPreferenceController2 extends BasePreferenceController i
             ? WifiEntry.PRIVACY_RANDOMIZED_MAC : WifiEntry.PRIVACY_DEVICE_MAC;
     }
 
-    private void updateSummary(DropDownPreference preference, int macRandomized) {
+    private void updateSummary(ListPreference preference, int macRandomized) {
         // Translates value here to set RANDOMIZATION_PERSISTENT as first item in UI for better UX.
         final int prefMacRandomized = translateMacRandomizedValueToPrefValue(macRandomized);
         preference.setSummary(preference.getEntries()[prefMacRandomized]);