DroidFish: Made it possible to change background color and text foreground color. From Leo Mayer.

DroidFish/res/layout/title.xml

@@ -5,7 +5,8 @@
     android:layout_gravity="center_vertical"
     android:layout_marginTop="-10dp"
     android:background="@android:drawable/title_bar"
-    android:orientation="vertical" >
+    android:orientation="vertical"
+    android:tag="title" >
     <LinearLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/first_title_line"
@@ -13,7 +14,8 @@
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
         android:layout_marginTop="2dp"
-        android:orientation="horizontal" >
+        android:orientation="horizontal"
+        android:tag="title" >
         <TextView
             android:id="@+id/white_clock"
             style="?android:attr/windowTitleStyle"
@@ -26,7 +28,8 @@
             android:gravity="left"
             android:marqueeRepeatLimit="marquee_forever"
             android:scrollHorizontally="false"
-            android:singleLine="true">
+            android:singleLine="true"
+            android:tag="title" >
         </TextView>
         <TextView
             android:id="@+id/title_text"
@@ -35,6 +38,7 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             android:gravity="center"
+            android:tag="title"
             android:text="@string/app_name">
         </TextView>
         <TextView
@@ -49,7 +53,8 @@
             android:gravity="right"
             android:marqueeRepeatLimit="marquee_forever"
             android:scrollHorizontally="true"
-            android:singleLine="true">
+            android:singleLine="true"
+            android:tag="title" >
         </TextView>
     </LinearLayout>
     <LinearLayout
@@ -58,7 +63,8 @@
         android:orientation="horizontal"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical">
+        android:layout_gravity="center_vertical"
+        android:tag="title" >
         <TextView
             android:id="@+id/white_pieces"
             style="?android:attr/windowTitleStyle"
@@ -71,6 +77,7 @@
             android:gravity="center|center_vertical"
             android:marqueeRepeatLimit="marquee_forever"
             android:singleLine="true"
+            android:tag="title"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:textStyle="bold">
         </TextView>
@@ -81,6 +88,7 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             android:gravity="center|center_vertical"
+            android:tag="title"
             android:text="">
         </TextView>
         <TextView
@@ -96,6 +104,7 @@
             android:marqueeRepeatLimit="marquee_forever"
             android:scrollHorizontally="true"
             android:singleLine="true"
+            android:tag="title"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:textStyle="bold">
         </TextView>

DroidFish/res/values/strings.xml

@@ -319,6 +319,8 @@ you are not actively using the program.\
     <string name="prefs_move_list">Move List</string>
     <string name="prefs_color_currentMove_title">Current Move</string>
     <string name="prefs_color_pgnComment_title">Comments</string>
+    <string name="prefs_color_fontForeground_title">Font color</string>
+    <string name="prefs_color_generalBackground_title">Background</string>
     <string name="prefs_other">Other</string>
     <string name="prefs_bookSettings_title">Opening Book Settings</string>
     <string name="prefs_bookSettings_summary">Settings for opening book usage</string>

DroidFish/res/xml/preferences.xml

@@ -473,6 +473,18 @@
                     alphaSlider="true" 
                     android:defaultValue="#FFC0C000">
                 </net.margaritov.preference.colorpicker.ColorPickerPreference>
+                <net.margaritov.preference.colorpicker.ColorPickerPreference
+                    android:key="color_fontForeground"
+                    android:title="@string/prefs_color_fontForeground_title"
+                    alphaSlider="false" 
+                    android:defaultValue="#FFFFFFFF">
+                </net.margaritov.preference.colorpicker.ColorPickerPreference>
+                <net.margaritov.preference.colorpicker.ColorPickerPreference
+                    android:key="color_generalBackground"
+                    android:title="@string/prefs_color_generalBackground_title"
+                    alphaSlider="false" 
+                    android:defaultValue="#FF000000">
+                </net.margaritov.preference.colorpicker.ColorPickerPreference>
                 </PreferenceCategory>
         </PreferenceScreen>
     </PreferenceCategory>

DroidFish/src/org/petero/droidfish/ColorTheme.java

@@ -26,7 +26,7 @@ public class ColorTheme {
     private static ColorTheme inst = null;
 
     /** Get singleton instance. */
-    static final ColorTheme instance() {
+    public static final ColorTheme instance() {
         if (inst == null)
             inst = new ColorTheme();
         return inst;
@@ -48,13 +48,16 @@ public class ColorTheme {
     final static int SQUARE_LABEL = 13;
     final static int DECORATION = 14;
     final static int PGN_COMMENT = 15;
-    private final static int numColors = 16;
+    public final static int FONT_FOREGROUND = 16;
+    public final static int GENERAL_BACKGROUND = 17;
+    private final static int numColors = 18;
 
     private int colorTable[] = new int[numColors];
 
     private static final String[] prefNames = {
         "darkSquare", "brightSquare", "selectedSquare", "cursorSquare", "darkPiece", "brightPiece", "currentMove",
-        "arrow0", "arrow1", "arrow2", "arrow3", "arrow4", "arrow5", "squareLabel", "decoration", "pgnComment"
+        "arrow0", "arrow1", "arrow2", "arrow3", "arrow4", "arrow5", "squareLabel", "decoration", "pgnComment",
+        "fontForeground", "generalBackground"
     };
     private static final String prefPrefix = "color_";
 
@@ -65,37 +68,37 @@ public class ColorTheme {
     { // Original
         "#FF808080", "#FFBEBE5A", "#FFFF0000", "#FF00FF00", "#FF000000", "#FFFFFFFF", "#FF888888",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF9F9F66", "#FFC0C000"
+        "#FF9F9F66", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // XBoard
         "#FF77A26D", "#FFC8C365", "#FFFFFF00", "#FF00FF00", "#FF202020", "#FFFFFFCC", "#FF6B9262",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF808080", "#FFC0C000"
+        "#FF808080", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // Blue
         "#FF83A5D2", "#FFFFFFFA", "#FF3232D1", "#FF5F5FFD", "#FF282828", "#FFF0F0F0", "#FF3333FF",
         "#A01F1FFF", "#A01FFF1F", "#501F1FFF", "#501FFF1F", "#1E1F1FFF", "#281FFF1F", "#FFFF0000",
-        "#FF808080", "#FFC0C000"
+        "#FF808080", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // Grey
         "#FF666666", "#FFDDDDDD", "#FFFF0000", "#FF0000FF", "#FF000000", "#FFFFFFFF", "#FF888888",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF909090", "#FFC0C000"
+        "#FF909090", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // Scid Default
         "#FF80A0A0", "#FFD0E0D0", "#FFFF0000", "#FF00FF00", "#FF000000", "#FFFFFFFF", "#FF666666",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF808080", "#FFC0C000"
+        "#FF808080", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // Scid Brown
         "#B58863",   "#F0D9B5",   "#FFFF0000", "#FF00FF00", "#FF000000", "#FFFFFFFF", "#FF666666",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF808080", "#FFC0C000"
+        "#FF808080", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     },
     { // Scid Green
         "#FF769656", "#FFEEEED2", "#FFFF0000", "#FF0000FF", "#FF000000", "#FFFFFFFF", "#FF666666",
         "#A01F1FFF", "#A0FF1F1F", "#501F1FFF", "#50FF1F1F", "#1E1F1FFF", "#28FF1F1F", "#FFFF0000",
-        "#FF808080", "#FFC0C000"
+        "#FF808080", "#FFC0C000", "#FFFFFFFF", "#FF000000"
     }
     };
 
@@ -121,7 +124,7 @@ public class ColorTheme {
         readColors(settings);
     }
 
-    final int getColor(int colorType) {
+    public final int getColor(int colorType) {
         return colorTable[colorType];
     }
 }

DroidFish/src/org/petero/droidfish/DroidFish.java

@@ -535,6 +535,7 @@ public class DroidFish extends Activity implements GUIInterface {
     private final void initUI() {
         leftHanded = leftHandedView();
         setContentView(leftHanded ? R.layout.main_left_handed : R.layout.main);
+        Util.overrideFonts(findViewById(android.R.id.content));
 
         // title lines need to be regenerated every time due to layout changes (rotations)
         secondTitleLine = findViewById(R.id.second_title_line);
@@ -888,6 +889,7 @@ public class DroidFish extends Activity implements GUIInterface {
 
         ColorTheme.instance().readColors(settings);
         cb.setColors();
+        Util.overrideFonts(findViewById(android.R.id.content));
 
         gameTextListener.clear();
         setPieceNames(pgnOptions.view.pieceType);
@@ -2026,6 +2028,7 @@ public class DroidFish extends Activity implements GUIInterface {
                 gameTextListener.clear();
                 ctrl.prefsChanged(false);
                 dialog.dismiss();
+                Util.overrideFonts(findViewById(android.R.id.content));
             }
         });
         return builder.create();

DroidFish/src/org/petero/droidfish/Util.java

@@ -12,7 +12,14 @@ import org.petero.droidfish.gamelogic.Position;
 
 import android.app.Activity;
 import android.os.Build;
+import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.ListView;
+import android.widget.TextView;
 
 public final class Util {
     public final static String boldStart;
@@ -82,4 +89,29 @@ public final class Util {
         }
         a.getWindow().setAttributes(attrs);
     }
+
+    /** Change foreground/background color in a view. */
+    public static void overrideFonts(final View v) {
+        if (v == null)
+            return;
+        final int bg = ColorTheme.instance().getColor(ColorTheme.GENERAL_BACKGROUND);
+        final boolean excludedItems = v instanceof Button ||
+                                      v instanceof EditText ||
+                                      v instanceof ImageButton ||
+                                      "title".equals(v.getTag());
+        if (!excludedItems)
+            v.setBackgroundColor(bg);
+        if (v instanceof ListView)
+            ((ListView) v).setCacheColorHint(bg);
+        if (v instanceof ViewGroup) {
+            ViewGroup vg = (ViewGroup) v;
+            for (int i = 0; i < vg.getChildCount(); i++) {
+                View child = vg.getChildAt(i);
+                overrideFonts(child);
+            }
+        } else if ((v instanceof TextView) && !excludedItems) {
+            int fg = ColorTheme.instance().getColor(ColorTheme.FONT_FOREGROUND);
+            ((TextView) v).setTextColor(fg);
+        }
+    }
 }

DroidFish/src/org/petero/droidfish/activities/EditBoard.java

@@ -114,6 +114,8 @@ public class EditBoard extends Activity {
 
     private final void initUI() {
         setContentView(R.layout.editboard);
+        Util.overrideFonts(findViewById(android.R.id.content));
+
         cb = (ChessBoardEdit)findViewById(R.id.eb_chessboard);
         status = (TextView)findViewById(R.id.eb_status);
         okButton = (Button)findViewById(R.id.eb_ok);

DroidFish/src/org/petero/droidfish/activities/EditPGN.java

@@ -21,7 +21,9 @@ package org.petero.droidfish.activities;
 import java.io.File;
 import java.util.ArrayList;
 
+import org.petero.droidfish.ColorTheme;
 import org.petero.droidfish.R;
+import org.petero.droidfish.Util;
 import org.petero.droidfish.activities.PGNFile.GameInfo;
 import org.petero.droidfish.activities.PGNFile.GameInfoResult;
 import org.petero.droidfish.gamelogic.Pair;
@@ -43,6 +45,7 @@ import android.text.TextWatcher;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
@@ -234,7 +237,18 @@ public class EditPGN extends ListActivity {
     private final void showList() {
         progress.dismiss();
         setContentView(R.layout.select_game);
-        aa = new ArrayAdapter<GameInfo>(this, R.layout.select_game_list_item, gamesInFile);
+        Util.overrideFonts(findViewById(android.R.id.content));
+        aa = new ArrayAdapter<GameInfo>(this, R.layout.select_game_list_item, gamesInFile) {
+            @Override
+            public View getView(int position, View convertView, ViewGroup parent) {
+                View view = super.getView(position, convertView, parent);
+                if (view instanceof TextView) {
+                    int fg = ColorTheme.instance().getColor(ColorTheme.FONT_FOREGROUND);
+                    ((TextView) view).setTextColor(fg);
+                }
+                return view;
+            }
+        };
         setListAdapter(aa);
         ListView lv = getListView();
         lv.setSelectionFromTop(defaultItem, 0);

DroidFish/src/org/petero/droidfish/activities/LoadScid.java

@@ -21,7 +21,9 @@ package org.petero.droidfish.activities;
 import java.io.File;
 import java.util.Vector;
 
+import org.petero.droidfish.ColorTheme;
 import org.petero.droidfish.R;
+import org.petero.droidfish.Util;
 
 import android.app.Dialog;
 import android.app.ListActivity;
@@ -36,9 +38,11 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.Toast;
 import android.widget.AdapterView.OnItemClickListener;
 
@@ -167,9 +171,21 @@ public class LoadScid extends ListActivity {
 
     private final void showList() {
         progress.dismiss();
-        final ArrayAdapter<GameInfo> aa = new ArrayAdapter<GameInfo>(this, R.layout.select_game_list_item, gamesInFile);
+        final ArrayAdapter<GameInfo> aa =
+            new ArrayAdapter<GameInfo>(this, R.layout.select_game_list_item, gamesInFile) {
+            @Override
+            public View getView(int position, View convertView, ViewGroup parent) {
+                View view = super.getView(position, convertView, parent);
+                if (view instanceof TextView) {
+                    int fg = ColorTheme.instance().getColor(ColorTheme.FONT_FOREGROUND);
+                    ((TextView) view).setTextColor(fg);
+                }
+                return view;
+            }
+        };
         setListAdapter(aa);
         ListView lv = getListView();
+        Util.overrideFonts(lv);
         lv.setSelectionFromTop(defaultItem, 0);
         lv.setFastScrollEnabled(true);
         lv.setOnItemClickListener(new OnItemClickListener() {