themes

res/drawable/metro_button_dark.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<selector xmlns:a="http://schemas.android.com/apk/res/android">
+	<item a:state_focused="true"
+		  a:drawable="@drawable/metro_button_focused"/>
+
+	<item a:state_pressed="true"
+		  a:drawable="@drawable/metro_button_focused"/>
+
+	<item a:drawable="@drawable/metro_button_dark_shape"/>
+</selector>

res/drawable/metro_button_dark_shape.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient android:startColor="#1f1f1f" android:endColor="#1f1f1f"/>
+    <corners android:radius="1dp" />
+</shape>

res/drawable/metro_button_focused.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient android:startColor="#959595" android:endColor="#959595"/>
+    <corners android:radius="1dp" />
+</shape>

res/drawable/metro_button_light.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<selector xmlns:a="http://schemas.android.com/apk/res/android">
+	<item a:state_focused="true"
+		  a:drawable="@drawable/metro_button_focused"/>
+
+	<item a:state_pressed="true"
+		  a:drawable="@drawable/metro_button_focused"/>
+
+	<item a:drawable="@drawable/metro_button_light_shape"/>
+</selector>

res/drawable/metro_button_light_shape.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient android:startColor="#393939" android:endColor="#393939"/>
+    <corners android:radius="1dp" />
+</shape>

res/layout-port/main_calculator.xml

@@ -24,13 +24,13 @@
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
 			<include layout="@layout/calc_equals_button"
-					 a:layout_weight="4"
-					 a:layout_width="fill_parent"
+					 a:layout_weight="1"
+					 a:layout_width="0dp"
 					 a:layout_height="fill_parent"/>
 
 			<include layout="@layout/calc_display"
-					 a:layout_weight="1"
-					 a:layout_width="fill_parent"
+					 a:layout_weight="4"
+					 a:layout_width="0dp"
 					 a:layout_height="fill_parent"/>
 
 		</LinearLayout>

res/values-ru/text_strings.xml

@@ -90,6 +90,7 @@
 	<string name="p_default_theme">По умолчанию</string>
 	<string name="p_violet_theme">Фиолетовая</string>
 	<string name="p_light_blue_theme">Голубая</string>
+	<string name="p_metro_theme">Метро</string>
 	<string name="c_calc_result_precision_summary">Точность результата(все вычисления производятся максимально точно)</string>
 	<string name="c_calc_color_display_summary">Включает/выключает подсветку синтаксиса в поле редактирования калькулятора</string>
 	<string name="c_calc_theme_summary">Устанавливает тему оформления приложения</string>

res/values/arrays.xml

@@ -9,13 +9,13 @@
 		<item>@string/p_default_theme</item>
 		<item>@string/p_violet_theme</item>
 		<item>@string/p_light_blue_theme</item>
-		<item>@string/p_windows_theme</item>
+		<item>@string/p_metro_theme</item>
 	</string-array>
 	<string-array name="p_theme_values">
 		<item>default_theme</item>
 		<item>violet_theme</item>
 		<item>light_blue_theme</item>
-		<item>windows_theme</item>
+		<item>metro_theme</item>
 	</string-array>
 
 	<string-array name="p_grouping_separator_names">

res/values/styles-metro-theme.xml

@@ -0,0 +1,23 @@
+<resources>
+
+	<style name="metro_digit_button_style" parent="button_style">
+		<item name="android:background">@drawable/metro_button_dark</item>
+		<item name="android:layout_marginLeft">2dp</item>
+		<item name="android:layout_marginBottom">2dp</item>
+	</style>
+
+	<style name="metro_control_button_style" parent="metro_digit_button_style">
+		<item name="android:background">@drawable/metro_button_light</item>
+	</style>
+
+	<style name="metro_control_image_button_style" parent="metro_control_button_style">
+		<item name="android:padding">6dp</item>
+	</style>
+
+	<style name="metro_theme">
+		<item name="digitButtonStyle">@style/metro_digit_button_style</item>
+		<item name="controlButtonStyle">@style/metro_control_button_style</item>
+		<item name="controlImageButtonStyle">@style/metro_control_image_button_style</item>
+	</style>
+
+</resources>

res/values/styles-windows-theme.xml

@@ -1,23 +0,0 @@
-<resources>
-
-	<style name="windows_digit_button_style" parent="button_style">
-		<item name="android:background">@drawable/windows_button_dark</item>
-		<item name="android:layout_marginLeft">2dp</item>
-		<item name="android:layout_marginBottom">2dp</item>
-	</style>
-
-	<style name="windows_control_button_style" parent="windows_digit_button_style">
-		<item name="android:background">@drawable/windows_button_light</item>
-	</style>
-
-	<style name="windows_control_image_button_style" parent="windows_control_button_style">
-		<item name="android:padding">6dp</item>
-	</style>
-
-	<style name="windows_theme">
-		<item name="digitButtonStyle">@style/windows_digit_button_style</item>
-		<item name="controlButtonStyle">@style/windows_control_button_style</item>
-		<item name="controlImageButtonStyle">@style/windows_control_image_button_style</item>
-	</style>
-
-</resources>

res/values/text_strings.xml

@@ -90,7 +90,7 @@
 	<string name="p_default_theme">Default</string>
 	<string name="p_violet_theme">Violet</string>
 	<string name="p_light_blue_theme">Light Blue</string>
-	<string name="p_windows_theme">Windows Metro</string>
+	<string name="p_metro_theme">Metro</string>
 	<string name="c_calc_result_precision_summary">Precision of result value (all calculations are done with maximum precision regardless of the value of this option)</string>
 	<string name="c_calc_color_display_summary">Toggles colouring and styling in calculator editor</string>
 	<string name="c_calc_theme_summary">Sets the theme for calculator</string>

src/main/java/org/solovyev/android/calculator/CalculatorActivity.java

@@ -41,6 +41,8 @@ import org.solovyev.android.history.HistoryDragProcessor;
 import org.solovyev.android.prefs.BooleanPreference;
 import org.solovyev.android.prefs.IntegerPreference;
 import org.solovyev.android.prefs.Preference;
+import org.solovyev.android.prefs.StringPreference;
+import org.solovyev.android.view.ColorButton;
 import org.solovyev.android.view.VibratorContainer;
 import org.solovyev.android.view.drag.*;
 import org.solovyev.common.utils.Announcer;
@@ -59,6 +61,40 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 	@Nullable
 	private IBillingObserver billingObserver;
 
+	public static enum Theme {
+
+		default_theme(ThemeType.other, R.style.default_theme),
+		violet_theme(ThemeType.other, R.style.violet_theme),
+		light_blue_theme(ThemeType.other, R.style.light_blue_theme),
+		metro_theme(ThemeType.metro, R.style.metro_theme);
+
+		@NotNull
+		private final ThemeType themeType;
+
+		@NotNull
+		private final Integer themeId;
+
+		Theme(@NotNull ThemeType themeType, Integer themeId) {
+			this.themeType = themeType;
+			this.themeId = themeId;
+		}
+
+		@NotNull
+		public ThemeType getThemeType() {
+			return themeType;
+		}
+
+		@NotNull
+		public Integer getThemeId() {
+			return themeId;
+		}
+	}
+
+	public static enum ThemeType {
+		metro,
+		other
+	}
+
 	public static class Preferences {
 		@NotNull
 		private static final String APP_VERSION_P_KEY = "application.version";
@@ -67,15 +103,17 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 
 		private static final Preference<Integer> appOpenedCounter = new IntegerPreference(APP_OPENED_COUNTER_P_KEY, APP_OPENED_COUNTER_P_DEFAULT);
 		private static final Preference<Boolean> feedbackWindowShown = new BooleanPreference(FEEDBACK_WINDOW_SHOWN_P_KEY, FEEDBACK_WINDOW_SHOWN_P_DEFAULT);
+		private static final Preference<Theme> theme = StringPreference.newInstance(THEME_P_KEY, THEME_P_DEFAULT, Theme.class);
 	}
 
+	@NotNull
+	private static final String THEME_P_KEY = "org.solovyev.android.calculator.CalculatorActivity_calc_theme";
+	private static final Theme THEME_P_DEFAULT = Theme.default_theme;
+
 	@NotNull
 	private static final String APP_OPENED_COUNTER_P_KEY = "app_opened_counter";
 	private static final Integer APP_OPENED_COUNTER_P_DEFAULT = 0;
 
-
-
-
 	@NotNull
 	public static final String FEEDBACK_WINDOW_SHOWN_P_KEY = "feedback_window_shown";
 	public static final boolean FEEDBACK_WINDOW_SHOWN_P_DEFAULT = false;
@@ -97,7 +135,7 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 	private volatile boolean initialized;
 
 	@NotNull
-	private String themeName;
+	private Theme theme;
 
 	@NotNull
 	private String layoutName;
@@ -210,6 +248,16 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 
 		initMultiplicationButton();
 
+		if (theme.getThemeType() == ThemeType.metro) {
+			// for metro themes we should turn off magic flames
+			AndroidUtils.processViewsOfType(this.getWindow().getDecorView(), ColorButton.class, new AndroidUtils.ViewProcessor<ColorButton>() {
+				@Override
+				public void process(@NotNull ColorButton colorButton) {
+					colorButton.setDrawMagicFlame(false);
+				}
+			});
+		}
+
 		preferences.registerOnSharedPreferenceChangeListener(this);
 	}
 
@@ -386,19 +434,14 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 	}
 
 	private synchronized void setTheme(@NotNull SharedPreferences preferences) {
-		final Map<String, Integer> styles = ResourceCache.instance.getNameToIdCache(R.style.class);
 
-		themeName = preferences.getString(getString(R.string.p_calc_theme_key), getString(R.string.p_calc_theme));
-
-		Integer styleId = styles.get(themeName);
-		if (styleId == null) {
-			Log.d(this.getClass().getName(), "No saved theme found => applying default theme: " + R.style.default_theme);
-			styleId = R.style.default_theme;
-		} else {
-			Log.d(this.getClass().getName(), "Saved theme found: " + styleId);
+		try {
+			theme = Preferences.theme.getPreference(preferences);
+		} catch (IllegalArgumentException e) {
+			theme = Theme.default_theme;
 		}
 
-		setTheme(styleId);
+		setTheme(theme.getThemeId());
 	}
 
 	private synchronized void firstTimeInit(@NotNull SharedPreferences preferences) {
@@ -630,8 +673,8 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
 		final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 
 		final String newLayoutName = preferences.getString(getString(R.string.p_calc_layout_key), getString(R.string.p_calc_layout));
-		final String newThemeName = preferences.getString(getString(R.string.p_calc_theme_key), getString(R.string.p_calc_theme));
-		if (!themeName.equals(newThemeName) || !layoutName.equals(newLayoutName)) {
+		final Theme newTheme = Preferences.theme.getPreference(preferences);
+		if (!theme.equals(newTheme) || !layoutName.equals(newLayoutName)) {
 			AndroidUtils.restartActivity(this);
 		}