Theming support.

Light, dark & black theme available. Not all are done yet.
The switcher in settings smoothly transitions the different themes.
ThemeHelper added with helper function ThemeHelper.setTheme(Activity) to
be used in Activity.onCreate to set the theme.

Clover/app/src/main/java/org/floens/chan/core/ChanPreferences.java

@@ -17,28 +17,36 @@
  */
 package org.floens.chan.core;
 
+import android.content.SharedPreferences;
+
 import org.floens.chan.ChanApplication;
+import org.floens.chan.R;
 import org.floens.chan.service.WatchService;
+import org.floens.chan.utils.ThemeHelper;
 
 public class ChanPreferences {
+    private static SharedPreferences p() {
+        return ChanApplication.getPreferences();
+    }
+
     public static boolean getOpenLinkConfirmation() {
-        return ChanApplication.getPreferences().getBoolean("preference_open_link_confirmation", true);
+        return p().getBoolean("preference_open_link_confirmation", true);
     }
 
     public static String getDefaultName() {
-        return ChanApplication.getPreferences().getString("preference_default_name", "");
+        return p().getString("preference_default_name", "");
     }
 
     public static String getDefaultEmail() {
-        return ChanApplication.getPreferences().getString("preference_default_email", "");
+        return p().getString("preference_default_email", "");
     }
 
     public static boolean getDeveloper() {
-        return ChanApplication.getPreferences().getBoolean("preference_developer", false);
+        return p().getBoolean("preference_developer", false);
     }
 
     public static void setDeveloper(boolean developer) {
-        ChanApplication.getPreferences().edit().putBoolean("preference_developer", developer).commit();
+        p().edit().putBoolean("preference_developer", developer).commit();
     }
 
     public static String getImageSaveDirectory() {
@@ -46,7 +54,7 @@ public class ChanPreferences {
     }
 
     public static boolean getWatchEnabled() {
-        return ChanApplication.getPreferences().getBoolean("preference_watch_enabled", false);
+        return p().getBoolean("preference_watch_enabled", false);
     }
 
     /**
@@ -57,48 +65,52 @@ public class ChanPreferences {
      */
     public static void setWatchEnabled(boolean enabled) {
         if (getWatchEnabled() != enabled) {
-            ChanApplication.getPreferences().edit().putBoolean("preference_watch_enabled", enabled).commit();
+            p().edit().putBoolean("preference_watch_enabled", enabled).commit();
             WatchService.updateRunningState(ChanApplication.getInstance());
             ChanApplication.getPinnedManager().onPinsChanged();
         }
     }
 
     public static boolean getWatchBackgroundEnabled() {
-        return ChanApplication.getPreferences().getBoolean("preference_watch_background_enabled", true);
+        return p().getBoolean("preference_watch_background_enabled", true);
     }
 
     public static long getWatchBackgroundTimeout() {
-        String number = ChanApplication.getPreferences().getString("preference_watch_background_timeout", "0");
+        String number = p().getString("preference_watch_background_timeout", "0");
         return Integer.parseInt(number) * 1000L;
     }
 
     public static boolean getVideoAutoPlay() {
-        return ChanApplication.getPreferences().getBoolean("preference_autoplay", false);
+        return p().getBoolean("preference_autoplay", false);
     }
 
     public static boolean getPassEnabled() {
-        return ChanApplication.getPreferences().getBoolean("preference_pass_enabled", false);
+        return p().getBoolean("preference_pass_enabled", false);
     }
 
     public static void setPassEnabled(boolean enabled) {
         if (getPassEnabled() != enabled) {
-            ChanApplication.getPreferences().edit().putBoolean("preference_pass_enabled", enabled).commit();
+            p().edit().putBoolean("preference_pass_enabled", enabled).commit();
         }
     }
 
     public static String getPassToken() {
-        return ChanApplication.getPreferences().getString("preference_pass_token", "");
+        return p().getString("preference_pass_token", "");
     }
 
     public static String getPassPin() {
-        return ChanApplication.getPreferences().getString("preference_pass_pin", "");
+        return p().getString("preference_pass_pin", "");
     }
 
     public static void setPassId(String id) {
-        ChanApplication.getPreferences().edit().putString("preference_pass_id", id).commit();
+        p().edit().putString("preference_pass_id", id).commit();
     }
 
     public static String getPassId() {
-        return ChanApplication.getPreferences().getString("preference_pass_id", "");
+        return p().getString("preference_pass_id", "");
+    }
+
+    public static String getTheme() {
+        return p().getString("preference_theme", "light");
     }
 }

Clover/app/src/main/java/org/floens/chan/ui/activity/AboutActivity.java

@@ -21,11 +21,15 @@ import android.app.Activity;
 import android.os.Bundle;
 import android.webkit.WebView;
 
+import org.floens.chan.utils.ThemeHelper;
+
 public class AboutActivity extends Activity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         WebView webView = new WebView(this);
         webView.loadUrl("file:///android_asset/html/licences.html");
 

Clover/app/src/main/java/org/floens/chan/ui/activity/BaseActivity.java

@@ -21,6 +21,7 @@ import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.nfc.NdefMessage;
@@ -52,6 +53,7 @@ import org.floens.chan.ui.BadgeDrawable;
 import org.floens.chan.ui.SwipeDismissListViewTouchListener;
 import org.floens.chan.ui.SwipeDismissListViewTouchListener.DismissCallbacks;
 import org.floens.chan.ui.adapter.PinnedAdapter;
+import org.floens.chan.utils.ThemeHelper;
 import org.floens.chan.utils.Utils;
 
 import java.util.List;
@@ -87,6 +89,8 @@ public abstract class BaseActivity extends Activity implements PanelSlideListene
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         setContentView(R.layout.activity_base);
 
         pinDrawer = (DrawerLayout) findViewById(R.id.drawer_layout);
@@ -111,7 +115,12 @@ public abstract class BaseActivity extends Activity implements PanelSlideListene
         threadPane.setPanelSlideListener(this);
         threadPane.setParallaxDistance(200);
         threadPane.setShadowResource(R.drawable.panel_shadow);
-        threadPane.setSliderFadeColor(0xcce5e5e5);
+
+        TypedArray ta = obtainStyledAttributes(null, R.styleable.BoardPane, R.attr.board_pane_style, 0);
+        int color = ta.getColor(R.styleable.BoardPane_fade_color, 0);
+        ta.recycle();
+
+        threadPane.setSliderFadeColor(color);
         threadPane.openPane();
     }
 

Clover/app/src/main/java/org/floens/chan/ui/activity/BoardEditor.java

@@ -49,6 +49,7 @@ import org.floens.chan.R;
 import org.floens.chan.core.manager.BoardManager;
 import org.floens.chan.core.model.Board;
 import org.floens.chan.ui.SwipeDismissListViewTouchListener;
+import org.floens.chan.utils.ThemeHelper;
 import org.floens.chan.utils.Utils;
 
 import java.util.ArrayList;
@@ -66,6 +67,8 @@ public class BoardEditor extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         list = boardManager.getSavedBoards();
 
         adapter = new BoardEditAdapter(this, 0, list);

Clover/app/src/main/java/org/floens/chan/ui/activity/DeveloperActivity.java

@@ -25,12 +25,15 @@ import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import org.floens.chan.ChanApplication;
+import org.floens.chan.utils.ThemeHelper;
 
 public class DeveloperActivity extends Activity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         LinearLayout wrapper = new LinearLayout(this);
         wrapper.setOrientation(LinearLayout.VERTICAL);
 

Clover/app/src/main/java/org/floens/chan/ui/activity/ImageViewActivity.java

@@ -33,6 +33,7 @@ import org.floens.chan.ui.adapter.PostAdapter;
 import org.floens.chan.ui.fragment.ImageViewFragment;
 import org.floens.chan.utils.ImageSaver;
 import org.floens.chan.utils.Logger;
+import org.floens.chan.utils.ThemeHelper;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -70,6 +71,8 @@ public class ImageViewActivity extends Activity implements ViewPager.OnPageChang
 
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         if (postAdapter != null) {
             // Get the posts with images
             ArrayList<Post> imagePosts = new ArrayList<Post>();

Clover/app/src/main/java/org/floens/chan/ui/activity/PassSettingsActivity.java

@@ -41,6 +41,7 @@ import org.floens.chan.core.ChanPreferences;
 import org.floens.chan.core.manager.ReplyManager;
 import org.floens.chan.core.manager.ReplyManager.PassResponse;
 import org.floens.chan.core.model.Pass;
+import org.floens.chan.utils.ThemeHelper;
 import org.floens.chan.utils.Utils;
 
 public class PassSettingsActivity extends Activity implements OnCheckedChangeListener {
@@ -52,6 +53,8 @@ public class PassSettingsActivity extends Activity implements OnCheckedChangeLis
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         instance = this;
 
         setFragment(ChanPreferences.getPassEnabled());

Clover/app/src/main/java/org/floens/chan/ui/activity/ReplyActivity.java

@@ -25,6 +25,7 @@ import android.view.MenuItem;
 import org.floens.chan.core.model.Loadable;
 import org.floens.chan.ui.fragment.ReplyFragment;
 import org.floens.chan.utils.Logger;
+import org.floens.chan.utils.ThemeHelper;
 
 public class ReplyActivity extends Activity {
     private static final String TAG = "ReplyActivity";
@@ -39,6 +40,8 @@ public class ReplyActivity extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         if (loadable != null) {
             getActionBar().setDisplayHomeAsUpEnabled(true);
 

Clover/app/src/main/java/org/floens/chan/ui/activity/SettingsActivity.java

@@ -18,15 +18,55 @@
 package org.floens.chan.ui.activity;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
 
 import org.floens.chan.ui.fragment.SettingsFragment;
+import org.floens.chan.utils.Logger;
+import org.floens.chan.utils.ThemeHelper;
 
 public class SettingsActivity extends Activity {
+    private static boolean doingThemeRestart = false;
+    private static ThemeHelper.Theme lastTheme;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        getFragmentManager().beginTransaction().replace(android.R.id.content, new SettingsFragment()).commit();
+        if (!doingThemeRestart) {
+            lastTheme = ThemeHelper.getTheme();
+        }
+
+        ThemeHelper.setTheme(this);
+
+        SettingsFragment frag = new SettingsFragment();
+        frag.setArguments(getIntent().getExtras());
+        getFragmentManager().beginTransaction().replace(android.R.id.content, frag).commit();
+    }
+
+    public void restart(Intent intent) {
+        doingThemeRestart = true;
+        startActivity(intent);
+        finish();
+        overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        if (doingThemeRestart) {
+            doingThemeRestart = false;
+        } else {
+            if (ThemeHelper.getTheme() != lastTheme) {
+                lastTheme = ThemeHelper.getTheme();
+                Logger.test("THEME CHANGED!");
+
+                Intent intent = new Intent(this, BoardActivity.class);
+                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+
+                startActivity(intent);
+            }
+        }
     }
 }

Clover/app/src/main/java/org/floens/chan/ui/activity/WatchSettingsActivity.java

@@ -40,6 +40,7 @@ import android.widget.TextView;
 
 import org.floens.chan.R;
 import org.floens.chan.core.ChanPreferences;
+import org.floens.chan.utils.ThemeHelper;
 import org.floens.chan.utils.Utils;
 
 public class WatchSettingsActivity extends Activity implements OnCheckedChangeListener {
@@ -49,6 +50,8 @@ public class WatchSettingsActivity extends Activity implements OnCheckedChangeLi
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        ThemeHelper.setTheme(this);
+
         setFragment(ChanPreferences.getWatchEnabled());
     }
 

Clover/app/src/main/java/org/floens/chan/ui/fragment/SettingsFragment.java

@@ -20,15 +20,20 @@ package org.floens.chan.ui.fragment;
 import android.content.Intent;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Bundle;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceGroup;
+import android.view.View;
+import android.widget.ListView;
 import android.widget.Toast;
 
 import org.floens.chan.R;
 import org.floens.chan.core.ChanPreferences;
 import org.floens.chan.ui.activity.AboutActivity;
+import org.floens.chan.ui.activity.SettingsActivity;
+import org.floens.chan.utils.ThemeHelper;
 
 public class SettingsFragment extends PreferenceFragment {
     private int clickCount = 0;
@@ -87,6 +92,43 @@ public class SettingsFragment extends PreferenceFragment {
         developerPreference = findPreference("about_developer");
         ((PreferenceGroup) findPreference("group_about")).removePreference(developerPreference);
         updateDeveloperPreference();
+
+        final ListPreference theme = (ListPreference) findPreference("preference_theme");
+        String currentValue = theme.getValue();
+        if (currentValue == null) {
+            theme.setValue((String) theme.getEntryValues()[0]);
+            currentValue = theme.getValue();
+        }
+        updateThemeSummary(theme, currentValue.toString());
+
+        theme.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                updateThemeSummary(theme, newValue.toString());
+
+                // Thanks! https://github.com/CyanogenMod/android_packages_apps_Calculator/blob/cm-10.2/src/com/android/calculator2/view/PreferencesFragment.java
+                if (!newValue.toString().equals(ThemeHelper.getTheme().name)) {
+                    Intent intent = new Intent(getActivity(), SettingsActivity.class);
+
+                    intent.putExtra("pos", getListView().getFirstVisiblePosition());
+                    View child = getListView().getChildAt(0);
+                    intent.putExtra("off", child != null ? child.getTop() : 0);
+
+                    ((SettingsActivity) getActivity()).restart(intent);
+                }
+
+                return true;
+            }
+        });
+    }
+
+    public void onStart() {
+        super.onStart();
+
+        final Bundle args = getArguments();
+        if (args != null) {
+            getListView().setSelectionFromTop(args.getInt("pos", 0), args.getInt("off", 0));
+        }
     }
 
     @Override
@@ -106,6 +148,10 @@ public class SettingsFragment extends PreferenceFragment {
         }
     }
 
+    private ListView getListView() {
+        return (ListView) getView().findViewById(android.R.id.list);
+    }
+
     private void updateDeveloperPreference() {
         if (ChanPreferences.getDeveloper()) {
             ((PreferenceGroup) findPreference("group_about")).addPreference(developerPreference);
@@ -113,4 +159,9 @@ public class SettingsFragment extends PreferenceFragment {
             ((PreferenceGroup) findPreference("group_about")).removePreference(developerPreference);
         }
     }
+
+    private void updateThemeSummary(ListPreference list, String value) {
+        int index = list.findIndexOfValue(value);
+        list.setSummary(list.getEntries()[index]);
+    }
 }

Clover/app/src/main/java/org/floens/chan/ui/view/PostView.java

@@ -20,6 +20,7 @@ package org.floens.chan.ui.view;
 import android.app.Activity;
 import android.content.Context;
 import android.content.res.Resources;
+import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.text.Layout;
 import android.text.Selection;
@@ -78,6 +79,11 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
     private NetworkImageView countryView;
     private View lastSeen;
 
+    private int thumbnailBackground;
+    private int savedReplyColor;
+    private int highlightedColor;
+    private int replyCountColor;
+
     /**
      * Represents a post. Use setPost(Post ThreadManager) to fill it with data.
      * setPost can be called multiple times (useful for ListView).
@@ -87,16 +93,19 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
     public PostView(Context activity) {
         super(activity);
         context = (Activity) activity;
+        init();
     }
 
     public PostView(Context activity, AttributeSet attbs) {
         super(activity, attbs);
         context = (Activity) activity;
+        init();
     }
 
     public PostView(Context activity, AttributeSet attbs, int style) {
         super(activity, attbs, style);
         context = (Activity) activity;
+        init();
     }
 
     @Override
@@ -228,9 +237,9 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
         }
 
         if (post.isSavedReply) {
-            full.setBackgroundColor(0xFFBCBCBC);
+            full.setBackgroundColor(savedReplyColor);
         } else if (manager.isPostHightlighted(post)) {
-            full.setBackgroundColor(0xFFD6BAD0);
+            full.setBackgroundColor(highlightedColor);
         } else {
             full.setBackgroundColor(0x00000000);
         }
@@ -246,6 +255,15 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
         }
     }
 
+    private void init() {
+        TypedArray ta = context.obtainStyledAttributes(null, R.styleable.PostView, R.attr.post_style, 0);
+        thumbnailBackground = ta.getColor(R.styleable.PostView_thumbnail_background, 0);
+        savedReplyColor = ta.getColor(R.styleable.PostView_saved_reply_color, 0);
+        highlightedColor = ta.getColor(R.styleable.PostView_highlighted_color, 0);
+        replyCountColor = ta.getColor(R.styleable.PostView_reply_count_color, 0);
+        ta.recycle();
+    }
+
     private void buildView(final Context context) {
         if (isBuild)
             return;
@@ -277,7 +295,7 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
 
         LinearLayout left = new LinearLayout(context);
         left.setOrientation(VERTICAL);
-        left.setBackgroundColor(0xffdddddd);
+        left.setBackgroundColor(thumbnailBackground);
 
         left.addView(imageView, new LinearLayout.LayoutParams(imageSize, imageSize));
 
@@ -326,7 +344,7 @@ public class PostView extends LinearLayout implements View.OnClickListener, View
         // This behavior differs with 4.4 / 4.1
         Utils.setPressedDrawable(repliesCountView);
 
-        repliesCountView.setTextColor(Color.argb(255, 100, 100, 100));
+        repliesCountView.setTextColor(replyCountColor);
         repliesCountView.setPadding(postPadding, postPadding, postPadding, postPadding);
         repliesCountView.setTextSize(14);
 

Clover/app/src/main/java/org/floens/chan/utils/ThemeHelper.java

@@ -0,0 +1,41 @@
+package org.floens.chan.utils;
+
+import android.app.Activity;
+
+import org.floens.chan.R;
+import org.floens.chan.core.ChanPreferences;
+
+public class ThemeHelper {
+    public enum Theme {
+        LIGHT("light", R.style.AppTheme),
+        DARK("dark", R.style.AppTheme_Dark),
+        BLACK("black", R.style.AppTheme_Dark);
+
+        public String name;
+        public int resValue;
+
+        private Theme(String name, int resValue) {
+            this.name = name;
+            this.resValue = resValue;
+        }
+    }
+
+    public static void setTheme(Activity activity) {
+        activity.setTheme(getTheme().resValue);
+    }
+
+    public static Theme getTheme() {
+        String themeName = ChanPreferences.getTheme();
+
+        Theme theme = null;
+        if (themeName.equals("light")) {
+            theme = Theme.LIGHT;
+        } else if (themeName.equals("dark")) {
+            theme = Theme.DARK;
+        } else if (themeName.equals("black")) {
+            theme = Theme.BLACK;
+        }
+
+        return theme;
+    }
+}

Clover/app/src/main/res/layout/activity_base.xml

@@ -12,14 +12,14 @@
             android:id="@+id/left_pane"
             android:layout_width="100dp"
             android:layout_height="match_parent"
-            android:background="#FFFFFFFF" />
+            style="?board_pane_left_style" />
 
         <FrameLayout
             android:id="@+id/right_pane"
             android:layout_width="100dp"
             android:layout_height="match_parent"
             android:layout_weight="1"
-            android:background="#FFE5E5E5" />
+            style="?board_pane_right_style"/>
     </android.support.v4.widget.SlidingPaneLayout>
 
     <ListView

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

@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="image_list_background">#88000000</color>
-
     <declare-styleable name="FloatLabelEditText">
         <attr name="hint" format="string"/>
         <attr name="text" format="string"/>
@@ -13,4 +11,21 @@
             <enum name="half" value="2"/>
         </attr>
     </declare-styleable>
+
+    <attr name="board_pane_style" format="reference"></attr>
+    <attr name="board_pane_left_style" format="reference" />
+    <attr name="board_pane_right_style" format="reference" />
+
+    <declare-styleable name="BoardPane">
+        <attr name="fade_color" format="color"/>
+    </declare-styleable>
+
+    <attr name="post_style" format="reference" />
+
+    <declare-styleable name="PostView">
+        <attr name="thumbnail_background" format="color"/>
+        <attr name="saved_reply_color" format="color"/>
+        <attr name="highlighted_color" format="color"/>
+        <attr name="reply_count_color" format="color"/>
+    </declare-styleable>
 </resources>

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

@@ -100,6 +100,19 @@
     <string name="preference_pass_settings">4chan pass</string>
 
     <string name="preference_general">General</string>
+
+    <string name="preference_theme">Theme</string>
+    <string-array name="preference_themes">
+        <item>Light</item>
+        <item>Dark</item>
+        <item>Black</item>
+    </string-array>
+    <string-array name="preference_themes_values">
+        <item>light</item>
+        <item>dark</item>
+        <item>black</item>
+    </string-array>
+
     <string name="preference_open_link_confirmation">Ask before opening links</string>
     <string name="preference_autoplay">Start playing videos directly</string>
 

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

@@ -1,8 +1,5 @@
-<resources xmlns:android="http://schemas.android.com/apk/res/android">
+<?xml version="1.0" encoding="utf-8"?>
-    
+<resources>
-    
-    <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
-    </style>
 
     <style name="Theme.ImageList" parent="AppTheme">
         <item name="android:windowIsTranslucent">true</item>
@@ -10,9 +7,62 @@
         <item name="android:backgroundDimEnabled">true</item>
     </style>
 
-</resources>
+    <color name="image_list_background">#88000000</color>
+
+    <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <item name="board_pane_style">@style/BoardPane</item>
+        <item name="board_pane_left_style">@style/BoardLeftPane</item>
+        <item name="board_pane_right_style">@style/BoardRightPane</item>
+
+        <item name="post_style">@style/PostView</item>
+    </style>
+
+    <style name="AppTheme.Dark" parent="android:Theme.Holo">
+        <item name="android:actionBarStyle">@android:style/Widget.Holo.ActionBar.Solid</item>
+
+        <item name="board_pane_style">@style/BoardPane.Dark</item>
+        <item name="board_pane_left_style">@style/BoardLeftPane.Dark</item>
+        <item name="board_pane_right_style">@style/BoardRightPane.Dark</item>
+
+        <item name="post_style">@style/PostView.Dark</item>
+    </style>
 
+    <style name="BoardPane">
+        <item name="fade_color">#CCE5E5E5</item>
+    </style>
 
+    <style name="BoardLeftPane">
+        <item name="android:background">#FFFFFFFF</item>
+    </style>
 
+    <style name="BoardRightPane">
+        <item name="android:background">#FFE5E5E5</item>
+    </style>
 
+    <style name="PostView">
+        <item name="thumbnail_background">#FFDDDDDD</item>
+        <item name="saved_reply_color">#FFBCBCBC</item>
+        <item name="highlighted_color">#FFD6BAD0</item>
+        <item name="reply_count_color">#FF646464</item>
+    </style>
+
+
+    <style name="BoardPane.Dark">
+        <item name="fade_color">#a5323232</item>
+    </style>
 
+    <style name="BoardLeftPane.Dark">
+        <item name="android:background">#ff232323</item>
+    </style>
+
+    <style name="BoardRightPane.Dark">
+        <item name="android:background">#ff232323</item>
+    </style>
+
+    <style name="PostView.Dark">
+        <item name="thumbnail_background">#00000000</item>
+        <item name="saved_reply_color">#ff5c5c5c</item>
+        <item name="highlighted_color">#ff858585</item>
+        <item name="reply_count_color">#ff737373</item>
+    </style>
+</resources>

Clover/app/src/main/res/xml/preference.xml

@@ -27,6 +27,14 @@
     </Preference>
 
     <PreferenceCategory android:title="@string/preference_general" >
+        <ListPreference
+            android:key="preference_theme"
+            android:defaultValue="light"
+            android:dialogTitle="@string/preference_theme"
+            android:entries="@array/preference_themes"
+            android:entryValues="@array/preference_themes_values"
+            android:title="@string/preference_theme" />
+
         <CheckBoxPreference
             android:defaultValue="true"
             android:key="preference_open_link_confirmation"