diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 06d66eb..ae388c2 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -10,8 +10,8 @@
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
           <set>
-            <option value="/mnt/sshd/Files/Desktop/testing/android/Cringe-Authenticator" />
-            <option value="/mnt/sshd/Files/Desktop/testing/android/Cringe-Authenticator/app" />
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
       </GradleProjectSettings>
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/BaseActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/BaseActivity.java
index 88c5b9f..7f73d5e 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/BaseActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/BaseActivity.java
@@ -2,12 +2,15 @@ package com.cringe_studios.cringe_authenticator;
 
 import android.os.Bundle;
 import android.util.Log;
+import android.view.WindowManager;
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.cringe_studios.cringe_authenticator.unlock.UnlockContract;
+import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
+import com.cringe_studios.cringe_authenticator.util.ThemeUtil;
 
 public class BaseActivity extends AppCompatActivity {
 
@@ -19,6 +22,12 @@ public class BaseActivity extends AppCompatActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         registerCallbacks();
+
+        if(SettingsUtil.isScreenSecurity(this)) {
+            getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+        }
+
+        ThemeUtil.loadTheme(this);
     }
 
     private void registerCallbacks() {
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/IntroActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/IntroActivity.java
index 52430b4..56a6acb 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/IntroActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/IntroActivity.java
@@ -13,9 +13,9 @@ import com.cringe_studios.cringe_authenticator.databinding.ActivityIntroBinding;
 import com.cringe_studios.cringe_authenticator.unlock.UnlockActivity;
 import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
 
-public class IntroActivity extends AppCompatActivity {
+public class IntroActivity extends BaseActivity {
 
-    private static ActivityIntroBinding binding;
+    private ActivityIntroBinding binding;
 
     private MediaPlayer mMediaPlayer;
 
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/MainActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/MainActivity.java
index 8a0c49c..b54156d 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/MainActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/MainActivity.java
@@ -7,6 +7,7 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Toast;
@@ -61,10 +62,6 @@ public class MainActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        //getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE); TODO: enable secure flag
-
-        ThemeUtil.loadTheme(this);
-
         setLocale(SettingsUtil.getLocale(this));
 
         qrScanner = new QRScanner();
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/SettingsFragment.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/SettingsFragment.java
index 637886e..ef9f7f7 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/SettingsFragment.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/fragment/SettingsFragment.java
@@ -3,6 +3,7 @@ package com.cringe_studios.cringe_authenticator.fragment;
 import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
 import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
 
+import android.location.SettingInjectorService;
 import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
@@ -29,6 +30,7 @@ import com.cringe_studios.cringe_authenticator.util.FabUtil;
 import com.cringe_studios.cringe_authenticator.util.OTPDatabase;
 import com.cringe_studios.cringe_authenticator.util.OTPDatabaseException;
 import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
+import com.cringe_studios.cringe_authenticator.util.Theme;
 
 import java.util.Arrays;
 import java.util.Locale;
@@ -57,7 +59,7 @@ public class SettingsFragment extends NamedFragment {
             localeNames[i] = locales[i].getDisplayName(locales[i]);
         }
 
-        binding.settingsLanguage.setAdapter(new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1, localeNames));
+        binding.settingsLanguage.setAdapter(new ArrayAdapter<>(requireContext(), android.R.layout.simple_list_item_1, localeNames));
         binding.settingsLanguage.setSelection(Arrays.asList(locales).indexOf(SettingsUtil.getLocale(requireContext())));
         binding.settingsLanguage.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
@@ -79,7 +81,7 @@ public class SettingsFragment extends NamedFragment {
         binding.settingsEnableEncryption.setChecked(SettingsUtil.isDatabaseEncrypted(requireContext()));
         binding.settingsEnableEncryption.setOnCheckedChangeListener((view, checked) -> {
             if(checked) {
-                 DialogUtil.showInputPasswordDialog(requireContext(), password -> {
+                DialogUtil.showInputPasswordDialog(requireContext(), password -> {
                     CryptoParameters params = CryptoParameters.createNew();
                     Log.d("Crypto", "Created new crypto params");
 
@@ -89,6 +91,10 @@ public class SettingsFragment extends NamedFragment {
                         OTPDatabase.encrypt(requireContext(), key, params);
                         SettingsUtil.enableEncryption(requireContext(), params);
                         Log.d("Crypto", "DB encryption enabled");
+
+                        if(BiometricUtil.isSupported(requireContext())) {
+                            binding.settingsBiometricLock.setEnabled(true);
+                        }
                     } catch (CryptoException | OTPDatabaseException e) {
                         throw new RuntimeException(e); // TODO
                     }
@@ -98,18 +104,16 @@ public class SettingsFragment extends NamedFragment {
                     OTPDatabase.decrypt(requireContext());
                     SettingsUtil.disableEncryption(requireContext());
                     Log.d("Crypto", "DB encryption disabled");
+
+                    binding.settingsBiometricLock.setChecked(false);
+                    binding.settingsBiometricLock.setEnabled(false);
                 } catch (OTPDatabaseException | CryptoException e) {
                     throw new RuntimeException(e); // TODO
                 }
             }
         });
 
-        binding.settingsEnableIntroVideo.setChecked(SettingsUtil.isIntroVideoEnabled(requireContext()));
-        binding.settingsEnableIntroVideo.setOnCheckedChangeListener((view, checked) -> SettingsUtil.setEnableIntroVideo(requireContext(), checked));
-
-        if(SettingsUtil.isDatabaseEncrypted(requireContext())
-                && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-                && BiometricManager.from(requireContext()).canAuthenticate(BIOMETRIC_STRONG | DEVICE_CREDENTIAL) == BiometricManager.BIOMETRIC_SUCCESS) {
+        if(SettingsUtil.isDatabaseEncrypted(requireContext()) && BiometricUtil.isSupported(requireContext())) {
             binding.settingsBiometricLock.setChecked(SettingsUtil.isBiometricEncryption(requireContext()));
             binding.settingsBiometricLock.setOnCheckedChangeListener((view, checked) -> {
                 if(checked) {
@@ -140,20 +144,32 @@ public class SettingsFragment extends NamedFragment {
             // TODO: inform user
         }
 
-        binding.settingsTheme.setAdapter(new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1, SettingsUtil.THEME_NAMES.toArray(new String[0])));
-        binding.settingsTheme.setSelection(SettingsUtil.THEME_NAMES.indexOf(SettingsUtil.getTheme(requireContext())));
+        binding.settingsEnableIntroVideo.setChecked(SettingsUtil.isIntroVideoEnabled(requireContext()));
+        binding.settingsEnableIntroVideo.setOnCheckedChangeListener((view, checked) -> SettingsUtil.setEnableIntroVideo(requireContext(), checked));
+
+        binding.settingsScreenSecurity.setChecked(SettingsUtil.isScreenSecurity(requireContext()));
+        binding.settingsScreenSecurity.setOnCheckedChangeListener((view, checked) -> {
+            SettingsUtil.setScreenSecurity(requireContext(), checked);
+            requireActivity().recreate();
+        });
+
+        binding.settingsHideCodes.setChecked(SettingsUtil.isHideCodes(requireContext())); // TODO: implement functionality
+        binding.settingsHideCodes.setOnCheckedChangeListener((view, checked) -> SettingsUtil.setHideCodes(requireContext(), checked));
+
+        String[] themeNames = new String[Theme.values().length];
+        for(int i = 0; i < Theme.values().length; i++) {
+            themeNames[i] = getResources().getString(Theme.values()[i].getName());
+        }
+
+        binding.settingsTheme.setAdapter(new ArrayAdapter<>(requireContext(), android.R.layout.simple_list_item_1, themeNames));
+        binding.settingsTheme.setSelection(SettingsUtil.getTheme(requireContext()).ordinal());
         binding.settingsTheme.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-                String theme = SettingsUtil.THEME_NAMES.get(position);
-                if(theme.equals(SettingsUtil.getTheme(requireContext()))) return;
+                Theme theme = Theme.values()[position];
+                if(theme == SettingsUtil.getTheme(requireContext())) return;
 
                 SettingsUtil.setTheme(requireContext(), theme);
-
-                Integer themeID = SettingsUtil.THEMES.get(theme);
-                if(themeID == null) return;
-
-                requireActivity().setTheme(themeID);
                 requireActivity().recreate();
             }
 
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/scanner/QRScannerActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/scanner/QRScannerActivity.java
index 3f00022..063f92c 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/scanner/QRScannerActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/scanner/QRScannerActivity.java
@@ -31,6 +31,7 @@ import com.cringe_studios.cringe_authenticator.R;
 import com.cringe_studios.cringe_authenticator.databinding.ActivityQrScannerBinding;
 import com.cringe_studios.cringe_authenticator.model.OTPData;
 import com.cringe_studios.cringe_authenticator.model.OTPMigrationPart;
+import com.cringe_studios.cringe_authenticator.util.SettingsUtil;
 import com.cringe_studios.cringe_authenticator.util.StyledDialogBuilder;
 import com.cringe_studios.cringe_authenticator.util.ThemeUtil;
 import com.google.common.util.concurrent.ListenableFuture;
@@ -61,10 +62,6 @@ public class QRScannerActivity extends AppCompatActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-
-        ThemeUtil.loadTheme(this);
-
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
             requestPermissions(new String[] {Manifest.permission.CAMERA}, 1234);
         }
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/unlock/UnlockActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/unlock/UnlockActivity.java
index 310f2dd..568971d 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/unlock/UnlockActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/unlock/UnlockActivity.java
@@ -8,6 +8,8 @@ import android.os.Bundle;
 import android.security.KeyStoreParameter;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProtection;
+import android.view.View;
+import android.view.WindowManager;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -16,6 +18,7 @@ import androidx.biometric.BiometricManager;
 import androidx.biometric.BiometricPrompt;
 import androidx.core.content.ContextCompat;
 
+import com.cringe_studios.cringe_authenticator.BaseActivity;
 import com.cringe_studios.cringe_authenticator.MainActivity;
 import com.cringe_studios.cringe_authenticator.R;
 import com.cringe_studios.cringe_authenticator.crypto.BiometricKey;
@@ -40,7 +43,7 @@ import javax.crypto.KeyGenerator;
 import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 
-public class UnlockActivity extends AppCompatActivity {
+public class UnlockActivity extends BaseActivity {
 
     private static final long LOCK_TIMEOUT = 10000;
 
@@ -50,8 +53,6 @@ public class UnlockActivity extends AppCompatActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        ThemeUtil.loadTheme(this);
-
         if(!SettingsUtil.isDatabaseEncrypted(this)) {
             success();
             return;
@@ -76,6 +77,8 @@ public class UnlockActivity extends AppCompatActivity {
 
             binding.unlockBiometrics.setOnClickListener(view -> BiometricUtil.promptBiometricAuth(this, onSuccess, () -> {}));
             BiometricUtil.promptBiometricAuth(this, onSuccess, () -> {});
+        }else {
+            binding.unlockBiometrics.setVisibility(View.GONE);
         }
 
         binding.unlockButton.setOnClickListener(view -> {
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/urihandler/URIHandlerActivity.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/urihandler/URIHandlerActivity.java
index 4bc8191..693c207 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/urihandler/URIHandlerActivity.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/urihandler/URIHandlerActivity.java
@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.WindowManager;
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
@@ -29,8 +30,6 @@ public class URIHandlerActivity extends BaseActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        ThemeUtil.loadTheme(this);
-
         Intent intent = getIntent();
         if(intent == null) {
             finishAndRemoveTask();
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/BiometricUtil.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/BiometricUtil.java
index c6d357a..6a9457f 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/BiometricUtil.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/BiometricUtil.java
@@ -4,6 +4,7 @@ import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRON
 import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
 
 import android.content.Context;
+import android.os.Build;
 
 import androidx.annotation.NonNull;
 import androidx.biometric.BiometricManager;
@@ -18,7 +19,7 @@ import java.util.concurrent.Executor;
 public class BiometricUtil {
 
     public static boolean isSupported(Context context) {
-        return BiometricManager.from(context).canAuthenticate(BIOMETRIC_STRONG | DEVICE_CREDENTIAL) == BiometricManager.BIOMETRIC_SUCCESS;
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && BiometricManager.from(context).canAuthenticate(BIOMETRIC_STRONG | DEVICE_CREDENTIAL) == BiometricManager.BIOMETRIC_SUCCESS;
     }
 
     public static void promptBiometricAuth(FragmentActivity context, Runnable success, Runnable failure) {
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/SettingsUtil.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/SettingsUtil.java
index 3bf979f..fad2fcf 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/SettingsUtil.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/SettingsUtil.java
@@ -6,6 +6,7 @@ import android.util.Base64;
 
 import com.cringe_studios.cringe_authenticator.R;
 import com.cringe_studios.cringe_authenticator.crypto.BiometricKey;
+import com.cringe_studios.cringe_authenticator.crypto.CryptoException;
 import com.cringe_studios.cringe_authenticator.crypto.CryptoParameters;
 import com.google.gson.Gson;
 
@@ -21,21 +22,6 @@ import java.util.Map;
 
 public class SettingsUtil {
 
-    public static final Map<String, Integer> THEMES;
-    public static final List<String> THEME_NAMES;
-
-    static {
-        Map<String, Integer> themes = new LinkedHashMap<>();
-        themes.put("Blue/Green", R.style.Theme_CringeAuthenticator_Blue_Green);
-        themes.put("Red/Blue", R.style.Theme_CringeAuthenticator_Red_Blue);
-        themes.put("Pink/Green", R.style.Theme_CringeAuthenticator_Pink_Green);
-        themes.put("Blue/Yellow", R.style.Theme_CringeAuthenticator_Blue_Yellow);
-        themes.put("Green/Yellow", R.style.Theme_CringeAuthenticator_Green_Yellow);
-        themes.put("Orange/Turquoise", R.style.Theme_CringeAuthenticator_Orange_Turquoise);
-        THEMES = Collections.unmodifiableMap(themes);
-        THEME_NAMES = Collections.unmodifiableList(new ArrayList<>(THEMES.keySet()));
-    }
-
     public static String
             GROUPS_PREFS_NAME = "groups",
             GENERAL_PREFS_NAME = "general";
@@ -130,8 +116,6 @@ public class SettingsUtil {
         ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).edit()
                 .putBoolean("encryption", false)
                 .remove("encryption.parameters")
-                .remove("encryption.biometric")
-                .remove("encryption.biometric.key")
                 .apply();
     }
 
@@ -172,13 +156,36 @@ public class SettingsUtil {
         return ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).getBoolean("enableIntroVideo", true);
     }
 
-    public static void setTheme(Context ctx, String theme) {
+    public static void setScreenSecurity(Context ctx, boolean screenSecurity) {
         SharedPreferences prefs = ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE);
-        prefs.edit().putString("theme", theme).apply();
+        prefs.edit().putBoolean("screenSecurity", screenSecurity).apply();
     }
 
-    public static String getTheme(Context ctx) {
-        return ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).getString("theme", THEME_NAMES.get(0));
+    public static boolean isScreenSecurity(Context ctx) {
+        return ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).getBoolean("screenSecurity", true);
+    }
+
+    public static void setHideCodes(Context ctx, boolean hideCodes) {
+        SharedPreferences prefs = ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE);
+        prefs.edit().putBoolean("hideCodes", hideCodes).apply();
+    }
+
+    public static boolean isHideCodes(Context ctx) {
+        return ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).getBoolean("hideCodes", false);
+    }
+
+    public static void setTheme(Context ctx, Theme theme) {
+        SharedPreferences prefs = ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE);
+        prefs.edit().putString("theme", theme.name()).apply();
+    }
+
+    public static Theme getTheme(Context ctx) {
+        String themeId = ctx.getSharedPreferences(GENERAL_PREFS_NAME, Context.MODE_PRIVATE).getString("theme", Theme.BLUE_GREEN.name());
+        try {
+            return Theme.valueOf(themeId);
+        }catch(IllegalArgumentException e) {
+            return Theme.BLUE_GREEN;
+        }
     }
 
     public static void setLocale(Context ctx, Locale locale) {
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/Theme.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/Theme.java
new file mode 100644
index 0000000..d22f8a5
--- /dev/null
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/Theme.java
@@ -0,0 +1,39 @@
+package com.cringe_studios.cringe_authenticator.util;
+
+import androidx.annotation.StringRes;
+import androidx.annotation.StyleRes;
+
+import com.cringe_studios.cringe_authenticator.R;
+
+public enum Theme {
+
+    BLUE_GREEN(R.string.theme_blue_green, R.style.Theme_CringeAuthenticator_Blue_Green),
+    RED_BLUE(R.string.theme_red_blue, R.style.Theme_CringeAuthenticator_Red_Blue),
+    PINK_GREEN(R.string.theme_pink_green, R.style.Theme_CringeAuthenticator_Pink_Green),
+    BLUE_YELLOW(R.string.theme_blue_yellow, R.style.Theme_CringeAuthenticator_Blue_Yellow),
+    GREEN_YELLOW(R.string.theme_green_yellow, R.style.Theme_CringeAuthenticator_Green_Yellow),
+    ORANGE_TURQUOISE(R.string.theme_orange_turquoise, R.style.Theme_CringeAuthenticator_Orange_Turquoise),
+    ;
+
+    @StringRes
+    private final int name;
+
+    @StyleRes
+    private final int style;
+
+    Theme(@StringRes int name, @StyleRes int style) {
+        this.name = name;
+        this.style = style;
+    }
+
+    @StringRes
+    public int getName() {
+        return name;
+    }
+
+    @StyleRes
+    public int getStyle() {
+        return style;
+    }
+
+}
diff --git a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/ThemeUtil.java b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/ThemeUtil.java
index f8d3d2a..e95bc9e 100644
--- a/app/src/main/java/com/cringe_studios/cringe_authenticator/util/ThemeUtil.java
+++ b/app/src/main/java/com/cringe_studios/cringe_authenticator/util/ThemeUtil.java
@@ -8,12 +8,8 @@ import com.cringe_studios.cringe_authenticator.R;
 public class ThemeUtil {
 
     public static void loadTheme(AppCompatActivity activity) {
-        Integer themeID = SettingsUtil.THEMES.get(SettingsUtil.getTheme(activity));
-        if(themeID != null) {
-            activity.setTheme(themeID);
-        }else {
-            activity.setTheme(R.style.Theme_CringeAuthenticator_Blue_Green);
-        }
+        Theme theme = SettingsUtil.getTheme(activity);
+        activity.setTheme(theme.getStyle());
 
         // TODO: use settings
         //AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
diff --git a/app/src/main/res/layout/fragment_settings.xml b/app/src/main/res/layout/fragment_settings.xml
index e44a5da..4c751eb 100644
--- a/app/src/main/res/layout/fragment_settings.xml
+++ b/app/src/main/res/layout/fragment_settings.xml
@@ -29,12 +29,6 @@
             android:layout_height="wrap_content"
             android:text="@string/enable_encryption" />
 
-        <androidx.appcompat.widget.SwitchCompat
-            android:id="@+id/settings_enable_intro_video"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="@string/settings_enable_intro_video" />
-
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/settings_biometric_lock"
             android:layout_width="match_parent"
@@ -42,13 +36,19 @@
             android:text="@string/settings_biometric_lock" />
 
         <androidx.appcompat.widget.SwitchCompat
-            android:id="@+id/screen_security"
+            android:id="@+id/settings_enable_intro_video"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/settings_enable_intro_video" />
+
+        <androidx.appcompat.widget.SwitchCompat
+            android:id="@+id/settings_screen_security"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/screen_security" />
 
         <androidx.appcompat.widget.SwitchCompat
-            android:id="@+id/hide_codes"
+            android:id="@+id/settings_hide_codes"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/hide_codes" />
@@ -66,7 +66,6 @@
             android:paddingBottom="10dp" />
 
         <TextView
-            android:id="@+id/textView"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/appearance" />
diff --git a/app/src/main/res/values-de-rDE/strings.xml b/app/src/main/res/values-de-rDE/strings.xml
index 0ef32bf..315c785 100644
--- a/app/src/main/res/values-de-rDE/strings.xml
+++ b/app/src/main/res/values-de-rDE/strings.xml
@@ -74,4 +74,10 @@
     <string name="fragment_home">Zuhause</string>
     <string name="fragment_settings">Einstellungen</string>
     <string name="fragment_about">Über</string>
+    <string name="theme_blue_green">Blau/Grün</string>
+    <string name="theme_red_blue">Rot/Blau</string>
+    <string name="theme_pink_green">Pink/Grün</string>
+    <string name="theme_blue_yellow">Blau/Gelb</string>
+    <string name="theme_green_yellow">Grün/Gelb</string>
+    <string name="theme_orange_turquoise">Orange/Türkis</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7d58729..09db239 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -76,4 +76,10 @@
         <item>Rename</item>
         <item>Delete</item>
     </string-array>
+    <string name="theme_blue_green">Blue/Green</string>
+    <string name="theme_red_blue">Red/Blue</string>
+    <string name="theme_pink_green">Pink/Green</string>
+    <string name="theme_blue_yellow">Blue/Yellow</string>
+    <string name="theme_green_yellow">Green/Yellow</string>
+    <string name="theme_orange_turquoise">Orange/Turquoise</string>
 </resources>
\ No newline at end of file