1 files changed, 39 insertions, 0 deletions
diff --git a/app/src/main/java/Settings/MainPreferenceFragment.java b/app/src/main/java/Settings/MainPreferenceFragment.java
index db098503..c8234fb5 100644
--- a/app/src/main/java/Settings/MainPreferenceFragment.java
+++ b/app/src/main/java/Settings/MainPreferenceFragment.java
@@ -1,8 +1,11 @@
 package Settings;
 
 
+import android.os.Build;
 import android.os.Bundle;
 
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.preference.ListPreference;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.SwitchPreference;
 
@@ -12,6 +15,11 @@ import ml.docilealligator.infinityforreddit.ChangeNSFWEvent;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SharedPreferencesUtils;
 
+import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY;
+import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM;
+import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO;
+import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES;
+
 /**
  * A simple {@link PreferenceFragmentCompat} subclass.
  */
@@ -21,11 +29,42 @@ public class MainPreferenceFragment extends PreferenceFragmentCompat {
         setPreferencesFromResource(R.xml.main_preferences, rootKey);
 
         SwitchPreference nsfwSwitch = findPreference(SharedPreferencesUtils.NSFW_KEY);
+        ListPreference listPreference = findPreference(SharedPreferencesUtils.THEME_KEY);
+
         if(nsfwSwitch != null) {
             nsfwSwitch.setOnPreferenceChangeListener((preference, newValue) -> {
                 EventBus.getDefault().post(new ChangeNSFWEvent((Boolean) newValue));
                 return true;
             });
         }
+
+        boolean systemDefault = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
+
+        if(listPreference != null) {
+            if(systemDefault) {
+                listPreference.setEntries(R.array.settings_theme_q);
+            } else {
+                listPreference.setEntries(R.array.settings_theme);
+            }
+
+            listPreference.setOnPreferenceChangeListener((preference, newValue) -> {
+                int option = Integer.parseInt((String) newValue);
+                switch (option) {
+                    case 0:
+                        AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_NO);
+                        break;
+                    case 1:
+                        AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_YES);
+                        break;
+                    case 2:
+                        if(systemDefault) {
+                            AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_FOLLOW_SYSTEM);
+                        } else {
+                            AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_AUTO_BATTERY);
+                        }
+                }
+                return true;
+            });
+        }
     }
 }