Added theme switch

.idea/deploymentTargetDropDown.xml

@@ -7,12 +7,12 @@
         <deviceKey>
           <Key>
             <type value="SERIAL_NUMBER" />
-            <value value="a8cada36" />
+            <value value="adb-a9f1bb3a-moNgbH._adb-tls-connect._tcp" />
           </Key>
         </deviceKey>
       </Target>
     </runningDeviceTargetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-08-04T10:09:08.435071200Z" />
+    <timeTargetWasSelectedWithDropDown value="2022-08-07T05:21:28.685430900Z" />
     <runningDeviceTargetsSelectedWithDialog>
       <Target>
         <type value="RUNNING_DEVICE_TARGET" />

.idea/misc.xml

@@ -10,11 +10,16 @@
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable-v21/ic_menu_theme.xml" value="0.246875" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable-v21/ripple_foreground.xml" value="0.15520833333333334" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/background_bottom_radius.xml" value="0.2915" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/background_no_radius.xml" value="0.165" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/background_top_bottom_radius.xml" value="0.2915" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/background_top_radius.xml" value="0.165" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/bottom_radius_background.xml" value="0.11944444444444445" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/button_radius_shape.xml" value="0.15520833333333334" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/down_to_right_arrow.xml" value="0.11944444444444445" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic__about.xml" value="0.184" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_about.xml" value="0.184" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_check.xml" value="0.165" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_language.xml" value="0.184" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_launch.xml" value="0.182" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_launcher.xml" value="0.1335" />
@@ -29,9 +34,12 @@
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_menu_theme.xml" value="0.3525" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_setting_about.xml" value="0.184" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_setting_language.xml" value="0.193" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_setting_theme_mode.xml" value="0.2" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/item_bg.xml" value="0.11944444444444445" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/item_divider.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/radius_shape.xml" value="0.272" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/right_to_down_arrow.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/selector_themes.xml" value="0.165" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/side_nav_bar.xml" value="0.11944444444444445" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/tools_icon.xml" value="0.11944444444444445" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/top_bottom_radius_background.xml" value="0.11944444444444445" />
@@ -42,11 +50,11 @@
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/activity_splash.xml" value="0.1693840579710145" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/activity_time_screen.xml" value="0.34739583333333335" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/app_bar_main.xml" value="0.1" />
-        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/basic_tool_list.xml" value="0.1390625" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/basic_tool_list.xml" value="0.25" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/content_main.xml" value="0.14990942028985507" />
-        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout.xml" value="0.67" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout_body.xml" value="0.21932449764856776" />
-        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout_head.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout_head.xml" value="0.33" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_about.xml" value="0.25" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_gallery.xml" value="0.1" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_home.xml" value="0.1" />
@@ -57,8 +65,9 @@
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_slideshow.xml" value="0.1" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_theme.xml" value="0.33" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_tools.xml" value="0.33" />
-        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/item_libraries.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/item_libraries.xml" value="0.5" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/item_licenses.xml" value="0.33" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/item_themes.xml" value="0.33" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/layout_item.xml" value="0.1" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/nav_header_main.xml" value="0.1" />
         <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/tool_button.xml" value="0.3619791666666667" />

app/src/main/AndroidManifest.xml

@@ -11,11 +11,6 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.OxygenToolbox.Default">
-        <activity
-            android:name=".ui.about.LibrariesActivity"
-            android:exported="false"
-            android:label="@string/setting_open_source"
-            android:theme="@style/Theme.OxygenToolbox.Default" />
         <activity
             android:name=".SplashActivity"
             android:exported="true"
@@ -23,19 +18,24 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/Theme.OxygenToolbox.Starting">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <activity
-            android:name=".MainActivity"
+            android:name=".ui.about.LibrariesActivity"
-            android:exported="true"
+            android:exported="false"
-            android:theme="@style/Theme.OxygenToolbox.Default">
+            android:label="@string/setting_open_source"
-            <intent-filter>
+            android:theme="@style/Theme.OxygenToolbox.Default" />
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-        </activity>
         <activity
             android:name=".tools.TimeScreenActivity"
             android:exported="false"

app/src/main/java/com/fatapp/oxygentoolbox/App.java

@@ -24,6 +24,7 @@ public class App extends Application {
                 SharedPreferencesUtils.init(App.this);
                 ResourceUtil.init(App.this);
                 ResourceUtil.setAppLocale(SharedPreferencesUtils.getPreferenceLocale());
+                ResourceUtil.loadAppTheme(activity);
                 loadAppUiMode();
             }
 
@@ -70,12 +71,12 @@ public class App extends Application {
         MultiLanguageUtils.attachBaseContext(this);
     }
 
-    public static void loadAppUiMode() {
+    private void loadAppUiMode() {
         switch (SharedPreferencesUtils.getPreferenceUiMode()) {
-            case light:
+            case LIGHT:
                 ResourceUtil.setAppUiMode(ResourceUtil.UI_MODE_LIGHT);
                 break;
-            case dark:
+            case DARK:
                 ResourceUtil.setAppUiMode(ResourceUtil.UI_MODE_DARK);
                 break;
             default:

app/src/main/java/com/fatapp/oxygentoolbox/MainActivity.java

@@ -4,21 +4,22 @@ import android.content.Context;
 import android.os.Bundle;
 import android.view.Menu;
 
-import com.fatapp.oxygentoolbox.util.MultiLanguageUtils;
-import com.fatapp.oxygentoolbox.util.ResourceUtil;
-import com.fatapp.oxygentoolbox.util.VibratorController;
-import com.google.android.material.navigation.NavigationView;
-
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.splashscreen.SplashScreen;
+import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.navigation.NavController;
 import androidx.navigation.Navigation;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.navigation.ui.AppBarConfiguration;
 import androidx.navigation.ui.NavigationUI;
-import androidx.drawerlayout.widget.DrawerLayout;
+
-import androidx.appcompat.app.AppCompatActivity;
+import com.fatapp.oxygentoolbox.util.MultiLanguageUtils;
-import androidx.appcompat.widget.Toolbar;
+import com.fatapp.oxygentoolbox.util.ResourceUtil;
+import com.fatapp.oxygentoolbox.util.VibratorController;
+import com.google.android.material.navigation.NavigationView;
 
 import java.util.Objects;
 
@@ -43,6 +44,7 @@ public class MainActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        SplashScreen splashScreen = SplashScreen.installSplashScreen(this);
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
@@ -58,7 +60,7 @@ public class MainActivity extends AppCompatActivity {
         mainPage.setPadding(0, ResourceUtil.getStatusBarHeight(getWindow(), getApplicationContext()), 0, 0);
 
         setSupportActionBar(toolbar);
-        navigationView.inflateHeaderView(R.layout.nav_header_main);
+        navigationView.inflateHeaderView(R.layout.app_nav_header_main);
         navigationView.inflateMenu(R.menu.activity_main_drawer);
         navigationView.addOnLayoutChangeListener((v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> drawer.setDrawerLockMode(navigationView.getMenu().getItem(0).isChecked()
                 ? DrawerLayout.LOCK_MODE_UNLOCKED

app/src/main/java/com/fatapp/oxygentoolbox/SplashActivity.java

@@ -14,7 +14,6 @@ public class SplashActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         // Handle the splash screen transition.
         SplashScreen splashScreen = SplashScreen.installSplashScreen(this);
-
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_splash);
         new Thread() {

app/src/main/java/com/fatapp/oxygentoolbox/layout/FoldLayout.java

@@ -103,13 +103,13 @@ public class FoldLayout extends LinearLayout implements View.OnClickListener {
                 isShow = true;
                 layoutParams.height = contentHeight;
                 LinearLayout linearLayout = defaultView.findViewById(R.id.fold_layout_linear_layout);
-                linearLayout.setBackground(AppCompatResources.getDrawable(getContext(), R.drawable.top_radius_background));
+                linearLayout.setBackground(AppCompatResources.getDrawable(getContext(), R.drawable.background_top_radius));
                 ImageView imageView = defaultView.findViewById(R.id.arrow_icon);
                 imageView.setImageDrawable(AppCompatResources.getDrawable(getContext(), R.drawable.down_to_right_arrow));
             } else {
                 layoutParams.height = 0;
                 LinearLayout linearLayout = defaultView.findViewById(R.id.fold_layout_linear_layout);
-                linearLayout.setBackground(AppCompatResources.getDrawable(getContext(), R.drawable.top_bottom_radius_background));
+                linearLayout.setBackground(AppCompatResources.getDrawable(getContext(), R.drawable.background_top_bottom_radius));
                 ImageView imageView = defaultView.findViewById(R.id.arrow_icon);
                 imageView.setImageDrawable(AppCompatResources.getDrawable(getContext(), R.drawable.right_to_down_arrow));
             }
@@ -125,7 +125,7 @@ public class FoldLayout extends LinearLayout implements View.OnClickListener {
                 public void onAnimationStart(Animator animation) {
                     super.onAnimationStart(animation);
                     LinearLayout linearLayout = defaultView.findViewById(R.id.fold_layout_linear_layout);
-                    linearLayout.setBackground(getContext().getDrawable(R.drawable.top_radius_background));
+                    linearLayout.setBackground(getContext().getDrawable(R.drawable.background_top_radius));
                 }
             });
 
@@ -141,7 +141,7 @@ public class FoldLayout extends LinearLayout implements View.OnClickListener {
                     super.onAnimationEnd(animation);
                     if (!isShow) {
                         LinearLayout linearLayout = defaultView.findViewById(R.id.fold_layout_linear_layout);
-                        linearLayout.setBackground(getContext().getDrawable(R.drawable.top_bottom_radius_background));
+                        linearLayout.setBackground(getContext().getDrawable(R.drawable.background_top_bottom_radius));
                     }
                 }
             });

app/src/main/java/com/fatapp/oxygentoolbox/ui/home/HomeFragment.java

@@ -56,7 +56,7 @@ public class HomeFragment extends Fragment {
             }
         });
 
-        bottomNavViewPager.setCurrentItem(SharedPreferencesUtils.getPreferenceLaunchPage() == SharedPreferencesUtils.LaunchPage.tools ? 0 : 1, false);
+        bottomNavViewPager.setCurrentItem(SharedPreferencesUtils.getPreferenceLaunchPage() == SharedPreferencesUtils.LaunchPage.TOOLS ? 0 : 1, false);
 
         return root;
     }

app/src/main/java/com/fatapp/oxygentoolbox/ui/home/tools/ToolsFragment.java

@@ -68,7 +68,7 @@ public class ToolsFragment extends Fragment {
             ViewGroup autoLinefeedLayout = foldLayoutBodyLayout.findViewById(R.id.auto_linefeed_layout);
 
             for (ToolsList.Button button : tool.getButtonList()) {
-                View toolButtonLayout = getLayoutInflater().inflate(R.layout.tool_button, null);
+                View toolButtonLayout = getLayoutInflater().inflate(R.layout.fold_layout_button, null);
                 Button toolButton = toolButtonLayout.findViewById(R.id.tool_button);
                 toolButton.setText(button.getText());
 
@@ -112,7 +112,7 @@ public class ToolsFragment extends Fragment {
         }
 
         for (int i = 0; i < 10; i++) {
-            View toolButton = getLayoutInflater().inflate(R.layout.tool_button, null);
+            View toolButton = getLayoutInflater().inflate(R.layout.fold_layout_button, null);
             ((Button) toolButton.findViewById(R.id.tool_button)).setText("Button");
             toolButton.findViewById(R.id.tool_button).setOnClickListener(v -> {
             });

app/src/main/java/com/fatapp/oxygentoolbox/ui/theme/ThemeFragment.java

@@ -8,8 +8,11 @@ import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.fatapp.oxygentoolbox.R;
+import com.fatapp.oxygentoolbox.ui.theme.util.ThemesAdapter;
 
 public class ThemeFragment extends Fragment {
 
@@ -18,6 +21,11 @@ public class ThemeFragment extends Fragment {
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         themeViewModel = new ViewModelProvider(this).get(ThemeViewModel.class);
         View root = inflater.inflate(R.layout.fragment_theme, container, false);
+
+        RecyclerView themeRecyclerView = root.findViewById(R.id.theme_recycler_view);
+        themeRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        themeRecyclerView.setAdapter(new ThemesAdapter(getActivity()));
+
         return root;
     }
 }

app/src/main/java/com/fatapp/oxygentoolbox/ui/theme/util/ThemesAdapter.java

@@ -0,0 +1,163 @@
+package com.fatapp.oxygentoolbox.ui.theme.util;
+
+import android.app.Activity;
+import android.graphics.drawable.GradientDrawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.annotation.ColorRes;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.fatapp.oxygentoolbox.R;
+import com.fatapp.oxygentoolbox.util.ResourceUtil;
+import com.fatapp.oxygentoolbox.util.SharedPreferencesUtils;
+
+public class ThemesAdapter extends RecyclerView.Adapter<ThemesAdapter.ViewHolder> {
+    private final Activity activity;
+
+    public ThemesAdapter(Activity activity) {
+        this.activity = activity;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View inflate = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_themes, parent, false);
+        return new ViewHolder(inflate);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        holder.getColorName().setText(ResourceUtil.getStringArray(R.array.setting_theme_array)[position]);
+        holder.getCheck().setSelected(position == SharedPreferencesUtils.getPreferenceTheme().ordinal());
+        switch (position) {
+            case 0:
+                setColor(holder, R.color.red_primary, R.color.red_primary_dark, R.color.red_primary_light, R.color.red_accent);
+                break;
+            case 1:
+                setColor(holder, R.color.pink_primary, R.color.pink_primary_dark, R.color.pink_primary_light, R.color.pink_accent);
+                break;
+            case 2:
+                setColor(holder, R.color.purple_primary, R.color.purple_primary_dark, R.color.purple_primary_light, R.color.purple_accent);
+                break;
+            case 3:
+                setColor(holder, R.color.deep_purple_primary, R.color.deep_purple_primary_dark, R.color.deep_purple_primary_light, R.color.deep_purple_accent);
+                break;
+            case 4:
+                setColor(holder, R.color.indigo_primary, R.color.indigo_primary_dark, R.color.indigo_primary_light, R.color.indigo_accent);
+                break;
+            case 5:
+                setColor(holder, R.color.blue_primary, R.color.blue_primary_dark, R.color.blue_primary_light, R.color.blue_accent);
+                break;
+            case 6:
+                setColor(holder, R.color.light_blue_primary, R.color.light_blue_primary_dark, R.color.light_blue_primary_light, R.color.light_blue_accent);
+                break;
+            case 7:
+                setColor(holder, R.color.cyan_primary, R.color.cyan_primary_dark, R.color.cyan_primary_light, R.color.cyan_accent);
+                break;
+            case 8:
+                setColor(holder, R.color.teal_primary, R.color.teal_primary_dark, R.color.teal_primary_light, R.color.teal_accent);
+                break;
+            case 9:
+                setColor(holder, R.color.green_primary, R.color.green_primary_dark, R.color.green_primary_light, R.color.green_accent);
+                break;
+            case 10:
+                setColor(holder, R.color.light_green_primary, R.color.light_green_primary_dark, R.color.light_green_primary_light, R.color.light_green_accent);
+                break;
+            case 11:
+                setColor(holder, R.color.lime_primary, R.color.lime_primary_dark, R.color.lime_primary_light, R.color.lime_accent);
+                break;
+            case 12:
+                setColor(holder, R.color.yellow_primary, R.color.yellow_primary_dark, R.color.yellow_primary_light, R.color.yellow_accent);
+                break;
+            case 13:
+                setColor(holder, R.color.amber_primary, R.color.amber_primary_dark, R.color.amber_primary_light, R.color.amber_accent);
+                break;
+            case 14:
+                setColor(holder, R.color.orange_primary, R.color.orange_primary_dark, R.color.orange_primary_light, R.color.orange_accent);
+                break;
+            case 15:
+                setColor(holder, R.color.deep_orange_primary, R.color.deep_orange_primary_dark, R.color.deep_orange_primary_light, R.color.deep_orange_accent);
+                break;
+            case 16:
+                setColor(holder, R.color.brown_primary, R.color.brown_primary_dark, R.color.brown_primary_light, R.color.brown_accent);
+                break;
+            case 17:
+                setColor(holder, R.color.grey_primary, R.color.grey_primary_dark, R.color.grey_primary_light, R.color.grey_accent);
+                break;
+            case 18:
+                setColor(holder, R.color.blue_grey_primary, R.color.blue_grey_primary_dark, R.color.blue_grey_primary_light, R.color.blue_grey_accent);
+                break;
+        }
+
+        holder.getThemeLayout().setOnClickListener(view -> {
+            SharedPreferencesUtils.setPreferenceTheme(SharedPreferencesUtils.Theme.values()[position]);
+            ResourceUtil.restartActivity(activity, activity.getClass());
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return SharedPreferencesUtils.Theme.values().length;
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final LinearLayout themeLayout;
+        private final TextView colorName;
+        private final View check;
+        private final View primaryColor;
+        private final View primaryDarkColor;
+        private final View primaryLightColor;
+        private final View accentColor;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            themeLayout = itemView.findViewById(R.id.theme_layout);
+            colorName = itemView.findViewById(R.id.color_name);
+            check = itemView.findViewById(R.id.check);
+            primaryColor = itemView.findViewById(R.id.primary_color);
+            primaryDarkColor = itemView.findViewById(R.id.primary_dark_color);
+            primaryLightColor = itemView.findViewById(R.id.primary_light_color);
+            accentColor = itemView.findViewById(R.id.accent_color);
+        }
+
+        public LinearLayout getThemeLayout() {
+            return themeLayout;
+        }
+
+        public TextView getColorName() {
+            return colorName;
+        }
+
+        public View getCheck() {
+            return check;
+        }
+
+        public View getPrimaryColor() {
+            return primaryColor;
+        }
+
+        public View getPrimaryDarkColor() {
+            return primaryDarkColor;
+        }
+
+        public View getPrimaryLightColor() {
+            return primaryLightColor;
+        }
+
+        public View getAccentColor() {
+            return accentColor;
+        }
+    }
+
+    private void setColor(@NonNull ViewHolder holder, @ColorRes int primary, @ColorRes int primaryDark, @ColorRes int primaryLight, @ColorRes int accent) {
+        ((GradientDrawable) holder.getPrimaryColor().getBackground()).setColor(ResourceUtil.getColor(primary));
+        ((GradientDrawable) holder.getPrimaryDarkColor().getBackground()).setColor(ResourceUtil.getColor(primaryDark));
+        ((GradientDrawable) holder.getPrimaryLightColor().getBackground()).setColor(ResourceUtil.getColor(primaryLight));
+        ((GradientDrawable) holder.getAccentColor().getBackground()).setColor(ResourceUtil.getColor(accent));
+    }
+}

app/src/main/java/com/fatapp/oxygentoolbox/util/ResourceUtil.java

@@ -16,14 +16,18 @@ import android.os.LocaleList;
 import android.util.DisplayMetrics;
 import android.view.Window;
 
+import androidx.annotation.ArrayRes;
 import androidx.annotation.AttrRes;
 import androidx.annotation.ColorInt;
+import androidx.annotation.ColorRes;
 import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
 import androidx.annotation.StyleRes;
 import androidx.appcompat.view.ContextThemeWrapper;
 import androidx.core.os.ConfigurationCompat;
 import androidx.core.os.LocaleListCompat;
 
+import com.fatapp.oxygentoolbox.R;
 import com.google.android.material.color.MaterialColors;
 
 import java.util.Locale;
@@ -59,11 +63,15 @@ public final class ResourceUtil {
         return sApp.getResources().getDisplayMetrics();
     }
 
-    public static String getString(int resId) {
+    public static String getString(@StringRes int resId) {
         return sApp.getResources().getString(resId);
     }
 
-    public static int getColor(int resId) {
+    public static String[] getStringArray(@ArrayRes int redId) {
+        return sApp.getResources().getStringArray(redId);
+    }
+
+    public static int getColor(@ColorRes int resId) {
         return sApp.getResources().getColor(resId);
     }
 
@@ -183,4 +191,85 @@ public final class ResourceUtil {
             return -1;
         }
     }
+
+    public static void loadAppTheme(Activity activity) {
+        switch (SharedPreferencesUtils.getPreferenceTheme()) {
+            case RED:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Red);
+                activity.getWindow().setStatusBarColor(getColor(R.color.red_primary));
+                break;
+            case PINK:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Pink);
+                activity.getWindow().setStatusBarColor(getColor(R.color.pink_primary));
+                break;
+            case PURPLE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Purple);
+                activity.getWindow().setStatusBarColor(getColor(R.color.purple_primary));
+                break;
+            case DEEP_PURPLE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_DeepPurple);
+                activity.getWindow().setStatusBarColor(getColor(R.color.deep_purple_primary));
+                break;
+            case INDIGO:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Indigo);
+                activity.getWindow().setStatusBarColor(getColor(R.color.indigo_primary));
+                break;
+            case BLUE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Blue);
+                activity.getWindow().setStatusBarColor(getColor(R.color.blue_primary));
+                break;
+            case LIGHT_BLUE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_LightBlue);
+                activity.getWindow().setStatusBarColor(getColor(R.color.light_blue_primary));
+                break;
+            case CYAN:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Cyan);
+                activity.getWindow().setStatusBarColor(getColor(R.color.cyan_primary));
+                break;
+            case TEAL:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Teal);
+                activity.getWindow().setStatusBarColor(getColor(R.color.teal_primary));
+                break;
+            case GREEN:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Green);
+                activity.getWindow().setStatusBarColor(getColor(R.color.green_primary));
+                break;
+            case LIGHT_GREEN:
+                activity.setTheme(R.style.Theme_OxygenToolbox_LightGreen);
+                activity.getWindow().setStatusBarColor(getColor(R.color.light_green_primary));
+                break;
+            case LIME:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Lime);
+                activity.getWindow().setStatusBarColor(getColor(R.color.lime_primary));
+                break;
+            case YELLOW:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Yellow);
+                activity.getWindow().setStatusBarColor(getColor(R.color.yellow_primary));
+                break;
+            case AMBER:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Amber);
+                activity.getWindow().setStatusBarColor(getColor(R.color.amber_primary));
+                break;
+            case ORANGE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Orange);
+                activity.getWindow().setStatusBarColor(getColor(R.color.orange_primary));
+                break;
+            case DEEP_ORANGE:
+                activity.setTheme(R.style.Theme_OxygenToolbox_DeepOrange);
+                activity.getWindow().setStatusBarColor(getColor(R.color.deep_orange_primary));
+                break;
+            case BROWN:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Brown);
+                activity.getWindow().setStatusBarColor(getColor(R.color.brown_primary));
+                break;
+            case GREY:
+                activity.setTheme(R.style.Theme_OxygenToolbox_Grey);
+                activity.getWindow().setStatusBarColor(getColor(R.color.grey_primary));
+                break;
+            case BLUE_GREY:
+                activity.setTheme(R.style.Theme_OxygenToolbox_BlueGrey);
+                activity.getWindow().setStatusBarColor(getColor(R.color.blue_grey_primary));
+                break;
+        }
+    }
 }

app/src/main/java/com/fatapp/oxygentoolbox/util/SharedPreferencesUtils.java

@@ -45,13 +45,28 @@ public class SharedPreferencesUtils {
         return UiMode.valueOf(preferences.getString(ResourceUtil.getString(R.string.setting_ui_mode_key), ResourceUtil.getString(R.string.setting_ui_mode_default_value)));
     }
 
+    public static Theme getPreferenceTheme() {
+        return Theme.valueOf(preferences.getString(ResourceUtil.getString(R.string.setting_theme_key), ResourceUtil.getString(R.string.setting_theme_default_value)));
+    }
+
+    public static void setPreferenceTheme(Theme theme) {
+        SharedPreferences.Editor editor = preferences.edit();
+        editor.putString(ResourceUtil.getString(R.string.setting_theme_key), theme.toString());
+        editor.apply();
+    }
+
     @SuppressWarnings("unused")
     public enum LaunchPage {
-        tools, favourites
+        TOOLS, FAVOURITES
     }
 
     @SuppressWarnings("unused")
     public enum UiMode {
-        system, light, dark
+        SYSTEM, LIGHT, DARK
+    }
+
+    @SuppressWarnings("unused")
+    public enum Theme {
+        RED, PINK, PURPLE, DEEP_PURPLE, INDIGO, BLUE, LIGHT_BLUE, CYAN, TEAL, GREEN, LIGHT_GREEN, LIME, YELLOW, AMBER, ORANGE, DEEP_ORANGE, BROWN, GREY, BLUE_GREY
     }
 }

app/src/main/res/drawable/background_no_radius.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="?attr/fold_layout_background" />
+</shape>

app/src/main/res/drawable/ic_check.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/app_on_theme"
+        android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z" />
+</vector>

app/src/main/res/drawable/ic_setting_theme_mode.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/app_text_theme"
+        android:pathData="M12,3c-4.97,0 -9,4.03 -9,9s4.03,9 9,9c0.83,0 1.5,-0.67 1.5,-1.5 0,-0.39 -0.15,-0.74 -0.39,-1.01 -0.23,-0.26 -0.38,-0.61 -0.38,-0.99 0,-0.83 0.67,-1.5 1.5,-1.5L16,16c2.76,0 5,-2.24 5,-5 0,-4.42 -4.03,-8 -9,-8zM6.5,12c-0.83,0 -1.5,-0.67 -1.5,-1.5S5.67,9 6.5,9 8,9.67 8,10.5 7.33,12 6.5,12zM9.5,8C8.67,8 8,7.33 8,6.5S8.67,5 9.5,5s1.5,0.67 1.5,1.5S10.33,8 9.5,8zM14.5,8c-0.83,0 -1.5,-0.67 -1.5,-1.5S13.67,5 14.5,5s1.5,0.67 1.5,1.5S15.33,8 14.5,8zM17.5,12c-0.83,0 -1.5,-0.67 -1.5,-1.5S16.67,9 17.5,9s1.5,0.67 1.5,1.5 -0.67,1.5 -1.5,1.5z" />
+</vector>

app/src/main/res/drawable/selector_themes.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/ic_check" android:state_selected="true" />
+    <item android:drawable="@android:color/transparent" android:state_selected="false" />
+</selector>

app/src/main/res/drawable/side_nav_bar.xml

@@ -2,8 +2,8 @@
     android:shape="rectangle">
     <gradient
         android:angle="270"
-        android:startColor="?attr/colorPrimary"
         android:centerColor="?attr/colorPrimary"
-        android:endColor="?attr/app_background"
+        android:endColor="?attr/app_background_theme"
+        android:startColor="?attr/colorPrimary"
         android:type="linear" />
 </shape>

app/src/main/res/layout/activity_libraries.xml

@@ -4,18 +4,18 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/libraries_page"
     android:layout_width="match_parent"
-    android:background="?attr/app_background"
     android:layout_height="match_parent"
+    android:background="?attr/app_background_theme"
     tools:context=".ui.about.LibrariesActivity">
 
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/app_bar_layout"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        app:layout_constraintTop_toTopOf="parent"
+        android:theme="@style/Theme.OxygenToolbox.AppBarOverlay"
-        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        android:theme="@style/Theme.OxygenToolbox.AppBarOverlay">
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
 
         <androidx.appcompat.widget.Toolbar
             android:id="@+id/toolbar"
@@ -30,9 +30,8 @@
         android:id="@+id/libraries_recycler_view"
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        app:layout_constraintTop_toBottomOf="@id/app_bar_layout"
+        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent">
+        app:layout_constraintStart_toStartOf="parent"
-    </androidx.recyclerview.widget.RecyclerView>
+        app:layout_constraintTop_toBottomOf="@id/app_bar_layout" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -4,8 +4,7 @@
     android:id="@+id/drawer_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:fitsSystemWindows="false"
+    android:background="?attr/app_background_theme"
-    android:background="?attr/app_background"
     tools:openDrawer="start">
 
     <include
@@ -18,6 +17,5 @@
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
         android:layout_gravity="start"
-        android:fitsSystemWindows="true"
+        android:background="?attr/app_background_theme" />
-        android:background="?attr/app_background"/>
 </androidx.drawerlayout.widget.DrawerLayout>

app/src/main/res/layout/activity_splash.xml

@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:background="?attr/windowSplashScreenBackground"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:background="?attr/windowSplashScreenBackground">
 
     <ImageView
         android:id="@+id/imageView"
         android:layout_width="288dp"
         android:layout_height="288dp"
+        android:contentDescription="LOGO"
+        android:src="@drawable/ic_launcher"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
-        android:src="@drawable/ic_launcher"
-        android:contentDescription="LOGO" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/app_bar_main.xml

@@ -21,6 +21,6 @@
 
     </com.google.android.material.appbar.AppBarLayout>
 
-    <include layout="@layout/content_main" />
+    <include layout="@layout/app_content_main" />
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/basic_tool_list.xml

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="40dp"
-    android:background="@android:color/transparent"
-    android:orientation="vertical"
-    android:gravity="center_vertical">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="10dp"
-        android:background="@drawable/bottom_radius_background"
-        android:gravity="center_vertical">
-
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/basic_tools_recycler_view"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent" />
-    </LinearLayout>
-
-</LinearLayout>

app/src/main/res/layout/fold_layout_body.xml

@@ -15,7 +15,7 @@
         android:layout_marginRight="10dp"
         android:paddingHorizontal="5dp"
         android:paddingBottom="2dp"
-        android:background="@drawable/bottom_radius_background"
+        android:background="@drawable/background_bottom_radius"
         android:gravity="center_vertical">
     </com.fatapp.oxygentoolbox.layout.AutoLinefeedLayout>
 

app/src/main/res/layout/fold_layout_head.xml

@@ -25,7 +25,8 @@
         android:layout_weight="6"
         android:gravity="center_vertical"
         android:textColor="?attr/app_text_theme"
-        android:textSize="18sp" />
+        android:textSize="18sp"
+        android:textStyle="bold" />
 
     <ImageView
         android:id="@+id/arrow_icon"

app/src/main/res/layout/fragment_about.xml

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/app_background"
+    android:background="?attr/app_background_theme"
     tools:context=".ui.about.AboutFragment">
 
     <androidx.appcompat.widget.AppCompatImageView
@@ -23,6 +23,7 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/about_icon_text_margin"
         android:text="@string/app_full_name"
+        android:textColor="?attr/app_text_theme"
         android:textSize="@dimen/default_text_size"
         android:textStyle="bold"
         app:layout_constraintEnd_toEndOf="parent"
@@ -35,6 +36,7 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/about_text_text_margin"
         android:text="@string/nav_header_subtitle"
+        android:textColor="@color/app_secondary_text"
         android:textStyle="bold"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -45,6 +47,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/about_text_text_margin"
+        android:textColor="@color/app_secondary_text"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/app_desc" />

app/src/main/res/layout/fragment_home.xml

@@ -3,7 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/app_background">
+    android:background="?attr/app_background_theme">
 
     <androidx.viewpager2.widget.ViewPager2
         android:id="@+id/bottom_nav_view_pager"

app/src/main/res/layout/fragment_home_fav.xml

@@ -4,7 +4,7 @@
     android:id="@+id/fragment_home_tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/app_background"
+    android:background="?attr/app_background_theme"
     android:orientation="vertical"
     tools:context=".ui.home.HomeFragment">
 

app/src/main/res/layout/fragment_home_tools.xml

@@ -4,7 +4,7 @@
     android:id="@+id/fragment_home_tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/app_background"
+    android:background="?attr/app_background_theme"
     android:orientation="vertical"
     tools:context=".ui.home.tools.ToolsFragment">
 

app/src/main/res/layout/fragment_theme.xml

@@ -1,38 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/app_background"
+    android:background="?attr/app_background_theme"
-    android:padding="15dp"
     tools:context=".ui.theme.ThemeFragment">
 
-    <LinearLayout
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/theme_recycler_view"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <TextView
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/setting_dark_mode"
-                android:textColor="?attr/app_text_theme"
-                android:textSize="@dimen/default_text_size" />
-
-            <androidx.appcompat.widget.AppCompatSpinner
-                android:id="@+id/theme_dark_mode_spinner"
-                android:layout_width="wrap_content"
         android:layout_height="match_parent"
-                android:layout_gravity="end"
+        app:layout_constraintStart_toStartOf="parent"
-                android:entries="@array/setting_dark_theme_selects_array"
+        app:layout_constraintTop_toTopOf="parent" />
-                android:spinnerMode="dropdown"
+</androidx.constraintlayout.widget.ConstraintLayout>
-                android:theme="@style/ThemeSpinner" />
-        </LinearLayout>
-    </LinearLayout>
-</ScrollView>

app/src/main/res/layout/item_libraries.xml

@@ -8,6 +8,7 @@
     android:layout_marginTop="@dimen/library_item_card_margin_vertical"
     android:layout_marginEnd="@dimen/library_item_card_margin_horizontal"
     android:layout_marginBottom="@dimen/library_item_card_margin_vertical"
+    android:background="?attr/app_on_background_theme"
     android:clickable="true"
     android:focusable="true">
 
@@ -29,6 +30,8 @@
             android:paddingEnd="@dimen/library_item_card_inner_padding"
             android:paddingRight="@dimen/library_item_card_inner_padding"
             android:textAppearance="?textAppearanceHeadline5"
+            android:textColor="?attr/app_text_theme"
+            android:textStyle="bold"
             app:layout_constraintBottom_toTopOf="@+id/library_creator"
             app:layout_constraintEnd_toStartOf="@+id/library_version"
             app:layout_constraintHorizontal_weight="1"
@@ -47,6 +50,7 @@
             android:paddingEnd="@dimen/library_item_card_inner_padding"
             android:paddingRight="@dimen/library_item_card_inner_padding"
             android:textAppearance="?textAppearanceSubtitle1"
+            android:textColor="?attr/app_second_text_theme"
             app:layout_constraintBottom_toTopOf="@+id/library_description_divider"
             app:layout_constraintEnd_toStartOf="@+id/library_version"
             app:layout_constraintStart_toStartOf="parent"
@@ -62,6 +66,7 @@
             android:paddingTop="@dimen/library_item_card_inner_padding"
             android:paddingEnd="@dimen/library_item_card_inner_padding"
             android:textAppearance="?textAppearanceBody2"
+            android:textColor="?attr/app_second_text_theme"
             app:layout_constrainedWidth="true"
             app:layout_constraintBottom_toBottomOf="@id/library_name"
             app:layout_constraintEnd_toEndOf="parent"
@@ -73,9 +78,9 @@
             android:id="@+id/library_description_divider"
             android:layout_width="0dp"
             android:layout_height="1dp"
-            android:layout_marginVertical="@dimen/library_item_card_divider_padding_vertical"
             android:layout_marginHorizontal="@dimen/library_item_card_divider_padding_horizontal"
-            android:background="?attr/app_background"
+            android:layout_marginVertical="@dimen/library_item_card_divider_padding_vertical"
+            android:background="?attr/app_divider_theme"
             app:layout_constraintBottom_toTopOf="@id/library_description"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -89,6 +94,7 @@
             android:layout_marginRight="@dimen/library_item_card_inner_padding"
             android:maxLines="20"
             android:textAppearance="?textAppearanceBody2"
+            android:textColor="?attr/app_text_theme"
             app:layout_constraintBottom_toTopOf="@id/library_bottom_divider"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -99,9 +105,9 @@
             android:id="@+id/library_bottom_divider"
             android:layout_width="0dp"
             android:layout_height="1dp"
-            android:layout_marginVertical="@dimen/library_item_card_divider_padding_vertical"
             android:layout_marginHorizontal="@dimen/library_item_card_divider_padding_horizontal"
-            android:background="?attr/app_background"
+            android:layout_marginVertical="@dimen/library_item_card_divider_padding_vertical"
+            android:background="?attr/app_divider_theme"
             app:layout_constraintBottom_toTopOf="@id/library_license"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -119,6 +125,7 @@
             android:paddingRight="@dimen/library_item_card_inner_padding"
             android:paddingBottom="@dimen/library_item_card_inner_padding"
             android:textAppearance="?textAppearanceBody1"
+            android:textColor="?attr/app_text_theme"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"

app/src/main/res/layout/item_themes.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/theme_layout"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="20dp"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:id="@+id/primary_color"
+        android:layout_width="match_parent"
+        android:layout_height="40dp"
+        android:gravity="center_vertical"
+        android:padding="10dp"
+        android:background="@drawable/background_top_radius"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/color_name"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/setting_theme"
+            android:textColor="?attr/app_on_theme"/>
+
+        <View
+            android:id="@+id/check"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:background="@drawable/selector_themes"/>
+    </LinearLayout>
+
+    <View
+        android:id="@+id/primary_dark_color"
+        android:layout_width="match_parent"
+        android:layout_height="20dp"
+        android:background="@drawable/background_no_radius" />
+
+    <View
+        android:id="@+id/primary_light_color"
+        android:layout_width="match_parent"
+        android:layout_height="20dp"
+        android:background="@drawable/background_no_radius" />
+
+    <View
+        android:id="@+id/accent_color"
+        android:layout_width="match_parent"
+        android:layout_height="20dp"
+        android:background="@drawable/background_bottom_radius" />
+</LinearLayout>

app/src/main/res/values-night/colors.xml

@@ -1,24 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="purple_200">#FFBB86FC</color>
+    <color name="app_background">#FF202020</color>
-    <color name="purple_500">#FF6200EE</color>
+    <color name="app_on_background">#FF303030</color>
-    <color name="purple_700">#FF3700B3</color>
+    <color name="app_primary_text">#FFEEEEEE</color>
-    <color name="teal_200">#FF03DAC5</color>
+    <color name="app_secondary_text">#FF757575</color>
-    <color name="teal_700">#FF018786</color>
+    <color name="app_ripple">#88CCCCCC</color>
-    <color name="black">#FF000000</color>
+    <color name="app_divider">#FFADADAD</color>
-    <color name="white">#FFFFFFFF</color>
-
-    <color name="default_app_theme">@color/purple_200</color>
-    <color name="default_app_on_theme">@color/white</color>
-    <color name="default_app_text_theme">@color/white</color>
-    <color name="default_app_background">#FF202020</color>
-
-    <color name="default_app_second_theme">@color/teal_700</color>
-    <color name="default_app_second_on_theme">@color/black</color>
-
-    <color name="default_fold_layout_background">#FF303030</color>
-    <color name="default_tools_arrow">#FF666666</color>
-    <color name="default_tools_button_background">@color/default_app_background</color>
-    <color name="default_tools_button_text">#FFFAFAFA</color>
-    <color name="default_tools_button_ripple">#88CCCCCC</color>
 </resources>

app/src/main/res/values-zh-rCN/strings.xml

@@ -25,23 +25,50 @@
     <string name="setting_dark_mode">深色主题</string>
 
     <string name="setting_base_settings">基本设置</string>
+
     <string name="setting_language">语言</string>
     <string-array name="setting_language_array">
         <item>跟随系统</item>
         <item>中文</item>
         <item>English</item>
     </string-array>
+
     <string name="setting_launch_page">启动页</string>
     <string-array name="setting_launch_page_array">
         <item>工具</item>
         <item>收藏</item>
     </string-array>
+
     <string name="setting_ui_mode">主题模式</string>
     <string-array name="setting_ui_mode_array">
         <item>跟随系统</item>
         <item>亮色</item>
         <item>深色</item>
     </string-array>
+
+    <string name="setting_theme">主题</string>
+    <string-array name="setting_theme_array">
+        <item>红</item>
+        <item>粉</item>
+        <item>紫</item>
+        <item>深紫</item>
+        <item>靛青</item>
+        <item>蓝</item>
+        <item>亮蓝</item>
+        <item>青</item>
+        <item>青绿</item>
+        <item>绿</item>
+        <item>亮绿</item>
+        <item>酸橙</item>
+        <item>黄</item>
+        <item>琥珀</item>
+        <item>橙</item>
+        <item>深橙</item>
+        <item>棕</item>
+        <item>灰</item>
+        <item>蓝灰</item>
+    </string-array>
+
     <string name="setting_open_source">开源许可</string>
     <string name="setting_search">查找</string>
     <string name="setting_about">关于</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -25,23 +25,50 @@
     <string name="setting_dark_mode">深色主题</string>
 
     <string name="setting_base_settings">基本设置</string>
+
     <string name="setting_language">语言</string>
     <string-array name="setting_language_array">
         <item>跟随系统</item>
         <item>中文</item>
         <item>English</item>
     </string-array>
+
     <string name="setting_launch_page">启动页</string>
     <string-array name="setting_launch_page_array">
         <item>工具</item>
         <item>收藏</item>
     </string-array>
+
     <string name="setting_ui_mode">主题模式</string>
     <string-array name="setting_ui_mode_array">
         <item>跟随系统</item>
         <item>亮色</item>
         <item>深色</item>
     </string-array>
+
+    <string name="setting_theme">主题</string>
+    <string-array name="setting_theme_array">
+        <item>红</item>
+        <item>粉</item>
+        <item>紫</item>
+        <item>深紫</item>
+        <item>靛青</item>
+        <item>蓝</item>
+        <item>亮蓝</item>
+        <item>青</item>
+        <item>青绿</item>
+        <item>绿</item>
+        <item>亮绿</item>
+        <item>酸橙</item>
+        <item>黄</item>
+        <item>琥珀</item>
+        <item>橙</item>
+        <item>深橙</item>
+        <item>棕</item>
+        <item>灰</item>
+        <item>蓝灰</item>
+    </string-array>
+
     <string name="setting_open_source">开源许可</string>
     <string name="setting_search">查找</string>
     <string name="setting_about">关于</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -25,23 +25,50 @@
     <string name="setting_dark_mode">深色主题</string>
 
     <string name="setting_base_settings">基本设置</string>
+
     <string name="setting_language">语言</string>
     <string-array name="setting_language_array">
         <item>跟随系统</item>
         <item>中文</item>
         <item>English</item>
     </string-array>
+
     <string name="setting_launch_page">启动页</string>
     <string-array name="setting_launch_page_array">
         <item>工具</item>
         <item>收藏</item>
     </string-array>
+
     <string name="setting_ui_mode">主题模式</string>
     <string-array name="setting_ui_mode_array">
         <item>跟随系统</item>
         <item>亮色</item>
         <item>深色</item>
     </string-array>
+
+    <string name="setting_theme">主题</string>
+    <string-array name="setting_theme_array">
+        <item>红</item>
+        <item>粉</item>
+        <item>紫</item>
+        <item>深紫</item>
+        <item>靛青</item>
+        <item>蓝</item>
+        <item>亮蓝</item>
+        <item>青</item>
+        <item>青绿</item>
+        <item>绿</item>
+        <item>亮绿</item>
+        <item>酸橙</item>
+        <item>黄</item>
+        <item>琥珀</item>
+        <item>橙</item>
+        <item>深橙</item>
+        <item>棕</item>
+        <item>灰</item>
+        <item>蓝灰</item>
+    </string-array>
+
     <string name="setting_open_source">开源许可</string>
     <string name="setting_search">查找</string>
     <string name="setting_about">关于</string>

app/src/main/res/values/attrs.xml

@@ -5,13 +5,19 @@
     </declare-styleable>
 
     <attr name="app_theme" format="color" />
+    <attr name="app_variant_theme" format="color" />
     <attr name="app_on_theme" format="color" />
-    <attr name="app_text_theme" format="color" />
-    <attr name="app_background" format="color" />
-
     <attr name="app_second_theme" format="color" />
+    <attr name="app_second_variant_theme" format="color" />
     <attr name="app_second_on_theme" format="color" />
 
+    <attr name="app_background_theme" format="color" />
+    <attr name="app_on_background_theme" format="color" />
+    <attr name="app_text_theme" format="color" />
+    <attr name="app_second_text_theme" format="color" />
+    <attr name="app_ripple_theme" format="color" />
+    <attr name="app_divider_theme" format="color" />
+
     <attr name="fold_layout_background" format="color" />
     <attr name="tools_arrow" format="color" />
     <attr name="tools_button_background" format="color" />

app/src/main/res/values/colors.xml

@@ -1,24 +1,127 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="purple_200">#FFBB86FC</color>
-    <color name="purple_500">#FF6200EE</color>
-    <color name="purple_700">#FF3700B3</color>
-    <color name="teal_200">#FF03DAC5</color>
-    <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
+    <color name="grey_black">#FF212121</color>
     <color name="white">#FFFFFFFF</color>
 
-    <color name="default_app_theme">@color/purple_500</color>
+    <color name="app_background">#FFF5F5F5</color>
-    <color name="default_app_on_theme">@color/white</color>
+    <color name="app_on_background">@color/white</color>
-    <color name="default_app_text_theme">#FF444444</color>
+    <color name="app_primary_text">#FF212121</color>
-    <color name="default_app_background">#FFF5F5F5</color>
+    <color name="app_secondary_text">#FF757575</color>
+    <color name="app_ripple">#88CCCCCC</color>
+    <color name="app_divider">#FFDDDDDD</color>
 
-    <color name="default_app_second_theme">@color/teal_200</color>
+    <color name="red_primary">#FFF44336</color>
-    <color name="default_app_second_on_theme">@color/black</color>
+    <color name="red_primary_dark">#FFD32F2F</color>
+    <color name="red_primary_light">#FFFFCDD2</color>
+    <color name="red_text_icons">@color/white</color>
+    <color name="red_accent">#FFFF5252</color>
 
-    <color name="default_fold_layout_background">@color/white</color>
+    <color name="pink_primary">#FFE91E63</color>
-    <color name="default_tools_arrow">#FF666666</color>
+    <color name="pink_primary_dark">#FFC3285B</color>
-    <color name="default_tools_button_background">@color/default_app_background</color>
+    <color name="pink_primary_light">#FFF8BBD0</color>
-    <color name="default_tools_button_text">#FF434343</color>
+    <color name="pink_text_icons">@color/white</color>
-    <color name="default_tools_button_ripple">#88CCCCCC</color>
+    <color name="pink_accent">#FFFF4081</color>
+
+    <color name="purple_primary">#FF9C27B0</color>
+    <color name="purple_primary_dark">#FF7B1FA2</color>
+    <color name="purple_primary_light">#FFE1BEE7</color>
+    <color name="purple_text_icons">@color/white</color>
+    <color name="purple_accent">#FFE040FB</color>
+
+    <color name="deep_purple_primary">#FF673AB7</color>
+    <color name="deep_purple_primary_dark">#FF512DAB</color>
+    <color name="deep_purple_primary_light">#FFD1C4E9</color>
+    <color name="deep_purple_text_icons">@color/white</color>
+    <color name="deep_purple_accent">#FF7C4DFF</color>
+
+    <color name="indigo_primary">#FF3F51B5</color>
+    <color name="indigo_primary_dark">#FF303F9F</color>
+    <color name="indigo_primary_light">#FFC5CAE9</color>
+    <color name="indigo_text_icons">@color/white</color>
+    <color name="indigo_accent">#FF536DFE</color>
+
+    <color name="blue_primary">#FF2196F3</color>
+    <color name="blue_primary_dark">#FF1976D2</color>
+    <color name="blue_primary_light">#FFBBDEFB</color>
+    <color name="blue_text_icons">@color/white</color>
+    <color name="blue_accent">#FF448AFF</color>
+
+    <color name="light_blue_primary">#FF03A9F4</color>
+    <color name="light_blue_primary_dark">#FF0288D1</color>
+    <color name="light_blue_primary_light">#FFB3E5FC</color>
+    <color name="light_blue_text_icons">@color/white</color>
+    <color name="light_blue_accent">#FF03A9F4</color>
+
+    <color name="cyan_primary">#FF00BCD4</color>
+    <color name="cyan_primary_dark">#FF0097A7</color>
+    <color name="cyan_primary_light">#FFB2EBF2</color>
+    <color name="cyan_text_icons">@color/white</color>
+    <color name="cyan_accent">#FF00BCD4</color>
+
+    <color name="teal_primary">#FF009688</color>
+    <color name="teal_primary_dark">#FF00796B</color>
+    <color name="teal_primary_light">#FFB2DFDB</color>
+    <color name="teal_text_icons">@color/white</color>
+    <color name="teal_accent">#FF009688</color>
+
+    <color name="green_primary">#FF4CAF50</color>
+    <color name="green_primary_dark">#FF388E3C</color>
+    <color name="green_primary_light">#FFC8E6C9</color>
+    <color name="green_text_icons">@color/white</color>
+    <color name="green_accent">#FF4CAF50</color>
+
+    <color name="light_green_primary">#FF8BC34A</color>
+    <color name="light_green_primary_dark">#FF689F38</color>
+    <color name="light_green_primary_light">#FFDCEDC8</color>
+    <color name="light_green_text_icons">@color/white</color>
+    <color name="light_green_accent">#FF8BC34A</color>
+
+    <color name="lime_primary">#FFCDDC39</color>
+    <color name="lime_primary_dark">#FFAFB42B</color>
+    <color name="lime_primary_light">#FFF0F4C3</color>
+    <color name="lime_text_icons">@color/white</color>
+    <color name="lime_accent">#FFCDDC39</color>
+
+    <color name="yellow_primary">#FFFFEB3B</color>
+    <color name="yellow_primary_dark">#FFFBC02D</color>
+    <color name="yellow_primary_light">#FFFFF9C4</color>
+    <color name="yellow_text_icons">@color/white</color>
+    <color name="yellow_accent">#FFFFEB3B</color>
+
+    <color name="amber_primary">#FFFFC107</color>
+    <color name="amber_primary_dark">#FFFFA000</color>
+    <color name="amber_primary_light">#FFFFECB3</color>
+    <color name="amber_text_icons">@color/white</color>
+    <color name="amber_accent">#FFFFC107</color>
+
+    <color name="orange_primary">#FFFF9800</color>
+    <color name="orange_primary_dark">#FFF57C00</color>
+    <color name="orange_primary_light">#FFFFE0B2</color>
+    <color name="orange_text_icons">@color/white</color>
+    <color name="orange_accent">#FFFF9800</color>
+
+    <color name="deep_orange_primary">#FFFF5722</color>
+    <color name="deep_orange_primary_dark">#FFE64A19</color>
+    <color name="deep_orange_primary_light">#FFFFCCBC</color>
+    <color name="deep_orange_text_icons">@color/white</color>
+    <color name="deep_orange_accent">#FFFF5722</color>
+
+    <color name="brown_primary">#FF795548</color>
+    <color name="brown_primary_dark">#FF5D4037</color>
+    <color name="brown_primary_light">#FFD7CCC8</color>
+    <color name="brown_text_icons">@color/white</color>
+    <color name="brown_accent">#FF795548</color>
+
+    <color name="grey_primary">#FF9E9E9E</color>
+    <color name="grey_primary_dark">#FF616161</color>
+    <color name="grey_primary_light">#FFF5F5F5</color>
+    <color name="grey_text_icons">@color/white</color>
+    <color name="grey_accent">#FF9E9E9E</color>
+
+    <color name="blue_grey_primary">#FF607D8B</color>
+    <color name="blue_grey_primary_dark">#FF455A64</color>
+    <color name="blue_grey_primary_light">#FFCFD8DC</color>
+    <color name="blue_grey_text_icons">@color/white</color>
+    <color name="blue_grey_accent">#FF607D8B</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -35,6 +35,7 @@
     </string-array>
 
     <string name="setting_base_settings">Base Settings</string>
+
     <string name="setting_language">Language</string>
     <string name="setting_language_key" translatable="false">app_language</string>
     <string-array name="setting_language_array">
@@ -43,11 +44,12 @@
         <item>English</item>
     </string-array>
     <string-array name="setting_language_values">
-        <item>system</item>
+        <item>SYSTEM</item>
-        <item>zh_CN</item>
+        <item>ZH_CN</item>
-        <item>en_US</item>
+        <item>EN_US</item>
     </string-array>
-    <string name="setting_language_default_value" translatable="false">system</string>
+    <string name="setting_language_default_value" translatable="false">SYSTEM</string>
+
     <string name="setting_launch_page">Launch Page</string>
     <string name="setting_launch_page_key" translatable="false">app_launch_page</string>
     <string-array name="setting_launch_page_array">
@@ -55,10 +57,11 @@
         <item>Favourites</item>
     </string-array>
     <string-array name="setting_launch_page_values">
-        <item>tools</item>
+        <item>TOOLS</item>
-        <item>favourites</item>
+        <item>FAVOURITES</item>
     </string-array>
-    <string name="setting_launch_page_default_value" translatable="false">tools</string>
+    <string name="setting_launch_page_default_value" translatable="false">TOOLS</string>
+
     <string name="setting_ui_mode">Theme Mode</string>
     <string name="setting_ui_mode_key" translatable="false">app_ui_mode</string>
     <string-array name="setting_ui_mode_array">
@@ -67,11 +70,37 @@
         <item>Dark</item>
     </string-array>
     <string-array name="setting_ui_mode_values">
-        <item>system</item>
+        <item>SYSTEM</item>
-        <item>light</item>
+        <item>LIGHT</item>
-        <item>dark</item>
+        <item>DARK</item>
     </string-array>
-    <string name="setting_ui_mode_default_value" translatable="false">system</string>
+    <string name="setting_ui_mode_default_value" translatable="false">SYSTEM</string>
+
+    <string name="setting_theme">Theme</string>
+    <string name="setting_theme_key" translatable="false">app_theme</string>
+    <string-array name="setting_theme_array">
+        <item>Red</item>
+        <item>Pink</item>
+        <item>Purple</item>
+        <item>Deep Purple</item>
+        <item>Indigo</item>
+        <item>Blue</item>
+        <item>Light Blue</item>
+        <item>Cyan</item>
+        <item>Teal</item>
+        <item>Green</item>
+        <item>Light Green</item>
+        <item>Lime</item>
+        <item>Yellow</item>
+        <item>Amber</item>
+        <item>Orange</item>
+        <item>Deep Orange</item>
+        <item>Brown</item>
+        <item>Grey</item>
+        <item>Blue Grey</item>
+    </string-array>
+    <string name="setting_theme_default_value" translatable="false">BLUE_GREY</string>
+
     <string name="setting_open_source">Open Source License</string>
     <string name="setting_search">Search</string>
     <string name="setting_about">About</string>

app/src/main/res/values/styles.xml

@@ -11,10 +11,10 @@
         <item name="android:layout_marginBottom">5dp</item>
         <item name="android:paddingStart">15dp</item>
         <item name="android:paddingEnd">15dp</item>
-        <item name="android:background">@drawable/button_radius_shape</item>
+        <item name="android:background">@drawable/radius_shape</item>
         <item name="android:foreground">@drawable/ripple_foreground</item>
         <item name="android:stateListAnimator">@null</item>
-        <item name="android:textColor">@color/default_tools_button_text</item>
+        <item name="android:textColor">?attr/tools_button_text</item>
     </style>
 
     <style name="ToolsLinearLayout">

app/src/main/res/values/themes.xml

@@ -2,35 +2,214 @@
 <resources>
     <!-- Base application theme. -->
     <style name="Theme.OxygenToolbox.Default" parent="Theme.MaterialComponents.DayNight.Bridge">
+        <item name="app_theme">@color/deep_purple_primary</item>
+        <item name="app_variant_theme">@color/deep_purple_primary_dark</item>
+        <item name="app_on_theme">@color/deep_purple_text_icons</item>
+        <item name="app_second_theme">@color/deep_purple_accent</item>
+        <item name="app_second_variant_theme">@color/deep_purple_accent</item>
+        <item name="app_second_on_theme">@color/deep_purple_text_icons</item>
+
+        <item name="app_background_theme">@color/app_background</item>
+        <item name="app_on_background_theme">@color/app_on_background</item>
+        <item name="app_text_theme">@color/app_primary_text</item>
+        <item name="app_second_text_theme">@color/app_secondary_text</item>
+        <item name="app_ripple_theme">@color/app_ripple</item>
+        <item name="app_divider_theme">@color/app_divider</item>
+
         <!-- Primary brand color. -->
-        <item name="colorPrimary">@color/default_app_theme</item>
+        <item name="colorPrimary">?attr/app_theme</item>
-        <item name="colorPrimaryVariant">@color/default_app_theme</item>
+        <item name="colorPrimaryVariant">?attr/app_theme</item>
-        <item name="colorOnPrimary">@color/default_app_on_theme</item>
+        <item name="colorOnPrimary">?attr/app_on_theme</item>
         <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/default_app_second_theme</item>
+        <item name="colorSecondary">?attr/app_second_theme</item>
-        <item name="colorSecondaryVariant">@color/default_app_second_theme</item>
+        <item name="colorSecondaryVariant">?attr/app_second_variant_theme</item>
-        <item name="colorOnSecondary">@color/default_app_second_on_theme</item>
+        <item name="colorOnSecondary">?attr/app_on_theme</item>
         <!-- Status bar color. -->
-        <item name="android:statusBarColor" >?attr/colorPrimaryVariant</item>
+        <item name="android:statusBarColor">?attr/app_theme</item>
         <!-- Customize your theme here. -->
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
         <item name="android:windowTranslucentNavigation">true</item>
         <item name="android:windowDisablePreview">true</item>
 
-        <item name="app_theme">@color/default_app_theme</item>
+        <item name="fold_layout_background">?attr/app_on_background_theme</item>
-        <item name="app_on_theme">@color/default_app_on_theme</item>
+        <item name="tools_arrow">?attr/app_second_text_theme</item>
-        <item name="app_text_theme">@color/default_app_text_theme</item>
+        <item name="tools_button_background">?attr/app_background_theme</item>
-        <item name="app_background">@color/default_app_background</item>
+        <item name="tools_button_text">?attr/app_text_theme</item>
+        <item name="tools_button_ripple">?attr/app_ripple_theme</item>
+    </style>
 
-        <item name="app_second_theme">@color/default_app_second_theme</item>
+    <style name="Theme.OxygenToolbox.Red" parent="Theme.OxygenToolbox.Default">
-        <item name="app_second_on_theme">@color/default_app_second_on_theme</item>
+        <item name="app_theme">@color/red_primary</item>
+        <item name="app_variant_theme">@color/red_primary_dark</item>
+        <item name="app_on_theme">@color/red_text_icons</item>
+        <item name="app_second_theme">@color/red_accent</item>
+        <item name="app_second_variant_theme">@color/red_accent</item>
+        <item name="app_second_on_theme">@color/red_text_icons</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">@color/red_primary</item>
+    </style>
 
-        <item name="fold_layout_background">@color/default_fold_layout_background</item>
+    <style name="Theme.OxygenToolbox.Pink" parent="Theme.OxygenToolbox.Default">
-        <item name="tools_arrow">@color/default_tools_arrow</item>
+        <item name="app_theme">@color/pink_primary</item>
-        <item name="tools_button_background">@color/default_tools_button_background</item>
+        <item name="app_variant_theme">@color/pink_primary_dark</item>
-        <item name="tools_button_text">@color/default_tools_button_text</item>
+        <item name="app_on_theme">@color/pink_text_icons</item>
-        <item name="tools_button_ripple">@color/default_tools_button_ripple</item>
+        <item name="app_second_theme">@color/pink_accent</item>
+        <item name="app_second_variant_theme">@color/pink_accent</item>
+        <item name="app_second_on_theme">@color/pink_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Purple" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/purple_primary</item>
+        <item name="app_variant_theme">@color/purple_primary_dark</item>
+        <item name="app_on_theme">@color/purple_text_icons</item>
+        <item name="app_second_theme">@color/purple_accent</item>
+        <item name="app_second_variant_theme">@color/purple_accent</item>
+        <item name="app_second_on_theme">@color/purple_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.DeepPurple" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/deep_purple_primary</item>
+        <item name="app_variant_theme">@color/deep_purple_primary_dark</item>
+        <item name="app_on_theme">@color/deep_purple_text_icons</item>
+        <item name="app_second_theme">@color/deep_purple_accent</item>
+        <item name="app_second_variant_theme">@color/deep_purple_accent</item>
+        <item name="app_second_on_theme">@color/deep_purple_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Indigo" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/indigo_primary</item>
+        <item name="app_variant_theme">@color/indigo_primary_dark</item>
+        <item name="app_on_theme">@color/indigo_text_icons</item>
+        <item name="app_second_theme">@color/indigo_accent</item>
+        <item name="app_second_variant_theme">@color/indigo_accent</item>
+        <item name="app_second_on_theme">@color/indigo_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Blue" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/blue_primary</item>
+        <item name="app_variant_theme">@color/blue_primary_dark</item>
+        <item name="app_on_theme">@color/blue_text_icons</item>
+        <item name="app_second_theme">@color/blue_accent</item>
+        <item name="app_second_variant_theme">@color/blue_accent</item>
+        <item name="app_second_on_theme">@color/blue_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.LightBlue" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/light_blue_primary</item>
+        <item name="app_variant_theme">@color/light_blue_primary_dark</item>
+        <item name="app_on_theme">@color/light_blue_text_icons</item>
+        <item name="app_second_theme">@color/light_blue_accent</item>
+        <item name="app_second_variant_theme">@color/light_blue_accent</item>
+        <item name="app_second_on_theme">@color/light_blue_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Cyan" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/cyan_primary</item>
+        <item name="app_variant_theme">@color/cyan_primary_dark</item>
+        <item name="app_on_theme">@color/cyan_text_icons</item>
+        <item name="app_second_theme">@color/cyan_accent</item>
+        <item name="app_second_variant_theme">@color/cyan_accent</item>
+        <item name="app_second_on_theme">@color/cyan_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Teal" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/teal_primary</item>
+        <item name="app_variant_theme">@color/teal_primary_dark</item>
+        <item name="app_on_theme">@color/teal_text_icons</item>
+        <item name="app_second_theme">@color/teal_accent</item>
+        <item name="app_second_variant_theme">@color/teal_accent</item>
+        <item name="app_second_on_theme">@color/teal_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Green" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/green_primary</item>
+        <item name="app_variant_theme">@color/green_primary_dark</item>
+        <item name="app_on_theme">@color/green_text_icons</item>
+        <item name="app_second_theme">@color/green_accent</item>
+        <item name="app_second_variant_theme">@color/green_accent</item>
+        <item name="app_second_on_theme">@color/green_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.LightGreen" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/light_green_primary</item>
+        <item name="app_variant_theme">@color/light_green_primary_dark</item>
+        <item name="app_on_theme">@color/light_green_text_icons</item>
+        <item name="app_second_theme">@color/light_green_accent</item>
+        <item name="app_second_variant_theme">@color/light_green_accent</item>
+        <item name="app_second_on_theme">@color/light_green_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Lime" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/lime_primary</item>
+        <item name="app_variant_theme">@color/lime_primary_dark</item>
+        <item name="app_on_theme">@color/lime_text_icons</item>
+        <item name="app_second_theme">@color/lime_accent</item>
+        <item name="app_second_variant_theme">@color/lime_accent</item>
+        <item name="app_second_on_theme">@color/lime_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Yellow" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/yellow_primary</item>
+        <item name="app_variant_theme">@color/yellow_primary_dark</item>
+        <item name="app_on_theme">@color/yellow_text_icons</item>
+        <item name="app_second_theme">@color/yellow_accent</item>
+        <item name="app_second_variant_theme">@color/yellow_accent</item>
+        <item name="app_second_on_theme">@color/yellow_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Amber" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/amber_primary</item>
+        <item name="app_variant_theme">@color/amber_primary_dark</item>
+        <item name="app_on_theme">@color/amber_text_icons</item>
+        <item name="app_second_theme">@color/amber_accent</item>
+        <item name="app_second_variant_theme">@color/amber_accent</item>
+        <item name="app_second_on_theme">@color/amber_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Orange" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/orange_primary</item>
+        <item name="app_variant_theme">@color/orange_primary_dark</item>
+        <item name="app_on_theme">@color/orange_text_icons</item>
+        <item name="app_second_theme">@color/orange_accent</item>
+        <item name="app_second_variant_theme">@color/orange_accent</item>
+        <item name="app_second_on_theme">@color/orange_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.DeepOrange" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/deep_orange_primary</item>
+        <item name="app_variant_theme">@color/deep_orange_primary_dark</item>
+        <item name="app_on_theme">@color/deep_orange_text_icons</item>
+        <item name="app_second_theme">@color/deep_orange_accent</item>
+        <item name="app_second_variant_theme">@color/deep_orange_accent</item>
+        <item name="app_second_on_theme">@color/deep_orange_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Brown" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/brown_primary</item>
+        <item name="app_variant_theme">@color/brown_primary_dark</item>
+        <item name="app_on_theme">@color/brown_text_icons</item>
+        <item name="app_second_theme">@color/brown_accent</item>
+        <item name="app_second_variant_theme">@color/brown_accent</item>
+        <item name="app_second_on_theme">@color/brown_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.Grey" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/grey_primary</item>
+        <item name="app_variant_theme">@color/grey_primary_dark</item>
+        <item name="app_on_theme">@color/grey_text_icons</item>
+        <item name="app_second_theme">@color/grey_accent</item>
+        <item name="app_second_variant_theme">@color/grey_accent</item>
+        <item name="app_second_on_theme">@color/grey_text_icons</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.BlueGrey" parent="Theme.OxygenToolbox.Default">
+        <item name="app_theme">@color/blue_grey_primary</item>
+        <item name="app_variant_theme">@color/blue_grey_primary_dark</item>
+        <item name="app_on_theme">@color/blue_grey_text_icons</item>
+        <item name="app_second_theme">@color/blue_grey_accent</item>
+        <item name="app_second_variant_theme">@color/blue_grey_accent</item>
+        <item name="app_second_on_theme">@color/blue_grey_text_icons</item>
     </style>
 
     <style name="Theme.OxygenToolbox.Full" parent="Theme.OxygenToolbox.Default">
@@ -42,10 +221,10 @@
     </style>
 
     <style name="Theme.OxygenToolbox.Starting" parent="Theme.SplashScreen">
-        <item name="windowSplashScreenBackground">@color/default_app_background</item>
+        <item name="windowSplashScreenBackground">@color/app_background</item>
         <item name="windowSplashScreenAnimatedIcon">@drawable/ic_launcher</item>
         <item name="windowSplashScreenAnimationDuration">0</item>
-        <item name="postSplashScreenTheme">@style/Theme.OxygenToolbox.SplashActivity</item>
+        <item name="postSplashScreenTheme">@style/Theme.OxygenToolbox.Default</item>
     </style>
 
     <style name="Theme.OxygenToolbox.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />

app/src/main/res/xml/fragment_setting.xml

@@ -21,6 +21,7 @@
             app:defaultValue="@string/setting_ui_mode_default_value"
             app:entries="@array/setting_ui_mode_array"
             app:entryValues="@array/setting_ui_mode_values"
+            app:icon="@drawable/ic_setting_theme_mode"
             app:key="@string/setting_ui_mode_key"
             app:title="@string/setting_ui_mode"
             app:useSimpleSummaryProvider="true" />

build.gradle

@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '7.2.1' apply false
+    id 'com.android.application' version '7.2.2' apply false
-    id 'com.android.library' version '7.2.1' apply false
+    id 'com.android.library' version '7.2.2' apply false
     id 'com.mikepenz.aboutlibraries.plugin' version '10.3.1' apply false
 }