Themes refactored

android-app/src/main/AndroidManifest.xml

@@ -46,11 +46,11 @@
 		<activity android:clearTaskOnLaunch="true" android:label="@string/c_app_name" android:launchMode="singleTop" android:name=".CalculatorActivityMobile" android:windowSoftInputMode="adjustPan"/>
 
 		<!-- settings must use action bar icon-->
-		<activity android:icon="@drawable/ab_icon" android:label="@string/c_app_settings" android:name=".preferences.PreferencesActivity" android:theme="@style/Theme.Settings"/>
+		<activity android:icon="@drawable/ab_icon" android:label="@string/c_app_settings" android:name=".preferences.PreferencesActivity" android:theme="@style/Cpp.Theme.Settings"/>
 
 		<activity android:label="@string/c_history" android:name=".history.CalculatorHistoryActivity"/>
 
-		<activity android:excludeFromRecents="true" android:finishOnTaskLaunch="true" android:label="@string/calculation_messages_dialog_title" android:launchMode="singleTask" android:name=".FixableMessagesDialog" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:excludeFromRecents="true" android:finishOnTaskLaunch="true" android:label="@string/calculation_messages_dialog_title" android:launchMode="singleTask" android:name=".FixableMessagesDialog" android:theme="@style/Cpp.Theme.Dialog.Material"/>
 
 		<activity android:label="@string/c_about" android:name=".about.CalculatorAboutActivity"/>
 
@@ -60,20 +60,20 @@
 
 		<activity android:label="@string/c_vars_and_constants" android:name=".math.edit.CalculatorVarsActivity"/>
 		<activity android:name=".CalculatorWikiActivity"/>
-		<activity android:launchMode="singleTop" android:name=".wizard.WizardActivity" android:theme="@style/Theme.Wizard">
+		<activity android:launchMode="singleTop" android:name=".wizard.WizardActivity" android:theme="@style/Cpp.Theme.Wizard">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN"/>
 			</intent-filter>
 		</activity>
 
 		<activity android:hardwareAccelerated="false" android:label="@string/c_plot_graph" android:name=".plot.CalculatorPlotActivity"/>
-		<activity android:label="@string/cpp_plot_functions" android:name=".plot.CalculatorPlotFunctionsActivity" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:label="@string/cpp_plot_functions" android:name=".plot.CalculatorPlotFunctionsActivity" android:theme="@style/Cpp.Theme.Dialog.Material"/>
-		<activity android:label="@string/cpp_plot_function_settings" android:name=".plot.CalculatorPlotFunctionSettingsActivity" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:label="@string/cpp_plot_function_settings" android:name=".plot.CalculatorPlotFunctionSettingsActivity" android:theme="@style/Cpp.Theme.Dialog.Material"/>
-		<activity android:label="@string/cpp_plot_range" android:name=".plot.CalculatorPlotRangeActivity" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:label="@string/cpp_plot_range" android:name=".plot.CalculatorPlotRangeActivity" android:theme="@style/Cpp.Theme.Dialog.Material"/>
 
-		<activity android:label="@string/cpp_purchase_title" android:name=".preferences.PurchaseDialogActivity" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:label="@string/cpp_purchase_title" android:name=".preferences.PurchaseDialogActivity" android:theme="@style/Cpp.Theme.Dialog.Material"/>
 
-		<activity android:name=".CalculatorDialogActivity" android:theme="@style/cpp_metro_blue_dialog_theme"/>
+		<activity android:name=".CalculatorDialogActivity" android:theme="@style/Cpp.Theme.Dialog.Material"/>
 
 		<!-- todo serso: strings-->
 		<activity android:label="@string/c_plot_graph" android:name=".matrix.CalculatorMatrixActivity">
@@ -89,11 +89,11 @@
 		</activity>
 
 		<!-- settings must use action bar icon-->
-		<activity android:icon="@drawable/ab_icon" android:label="@string/c_settings" android:name=".plot.PlotPreferenceActivity" android:theme="@style/Theme.Settings"/>
+		<activity android:icon="@drawable/ab_icon" android:label="@string/c_settings" android:name=".plot.PlotPreferenceActivity" android:theme="@style/Cpp.Theme.Settings"/>
 
 		<!-- ONSCREEN CONFIG -->
 
-		<activity android:icon="@drawable/icon_onscreen" android:label="@string/c_app_name_on_screen" android:launchMode="singleInstance" android:name=".onscreen.CalculatorOnscreenStartActivity" android:theme="@style/cpp_metro_blue_dialog_theme">
+		<activity android:icon="@drawable/icon_onscreen" android:label="@string/c_app_name_on_screen" android:launchMode="singleInstance" android:name=".onscreen.CalculatorOnscreenStartActivity" android:theme="@style/Cpp.Theme.Dialog.Material">
 
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN"/>

android-app/src/main/java/org/solovyev/android/calculator/Preferences.java

@@ -101,13 +101,13 @@ public final class Preferences {
 
 		public static enum Theme {
 
-			default_theme(R.style.cpp_gray_theme, R.style.Theme_Wizard),
+			default_theme(R.style.Cpp_Theme_Gray, R.style.Cpp_Theme_Wizard),
-			violet_theme(R.style.cpp_violet_theme, R.style.Theme_Wizard),
+			violet_theme(R.style.Cpp_Theme_Violet, R.style.Cpp_Theme_Wizard),
-			light_blue_theme(R.style.cpp_light_blue_theme, R.style.Theme_Wizard),
+			light_blue_theme(R.style.Cpp_Theme_Blue, R.style.Cpp_Theme_Wizard),
-			metro_blue_theme(R.style.cpp_metro_blue_theme, R.style.Theme_Wizard),
+			metro_blue_theme(R.style.cpp_metro_blue_theme, R.style.Cpp_Theme_Wizard),
-			metro_purple_theme(R.style.cpp_metro_purple_theme, R.style.Theme_Wizard),
+			metro_purple_theme(R.style.cpp_metro_purple_theme, R.style.Cpp_Theme_Wizard),
-			metro_green_theme(R.style.cpp_metro_green_theme, R.style.Theme_Wizard),
+			metro_green_theme(R.style.cpp_metro_green_theme, R.style.Cpp_Theme_Wizard),
-			material_theme(R.style.cpp_material_theme, R.style.Theme_Wizard),
+			material_theme(R.style.Cpp_Theme_Material, R.style.Cpp_Theme_Wizard),
 			;
 
 			private final int themeId;

android-app/src/main/res/layout-land/main_calculator.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_layout_style">
+			  style="@style/CppMain">
 
 	<include layout="@layout/main_first_pane"/>
 

android-app/src/main/res/layout-land/main_calculator_mobile.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_layout_style">
+			  style="@style/CppMain">
 
 	<include layout="@layout/main_first_pane_mobile"/>
 

android-app/src/main/res/layout-large-land/main_calculator.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_multi_pane_layout_style">
+			  style="@style/CppMain.Multipane">
 
 	<LinearLayout
 			a:layout_height="0dp"
@@ -44,14 +44,14 @@
 					a:id="@+id/editorContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="1"/>
 
 			<FrameLayout
 					a:id="@+id/displayContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="1"/>
 
 		</LinearLayout>
@@ -62,7 +62,7 @@
 				a:layout_width="0dp"
 				a:layout_weight="1"
 				a:orientation="vertical"
-				style="?cpp_pane_style"/>
+				style="@style/CppPaneStyle"/>
 
 	</LinearLayout>
 
@@ -71,6 +71,6 @@
 			a:layout_height="0dp"
 			a:layout_width="match_parent"
 			a:layout_weight="2"
-			style="?cpp_pane_style_transparent"/>
+			style="@style/CppPaneStyle.Transparent"/>
 
 </LinearLayout>

android-app/src/main/res/layout-large/cpp_app_display.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -32,11 +32,11 @@
 			a:id="@+id/fragment_title"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<org.solovyev.android.calculator.AndroidCalculatorDisplayView
 			a:id="@+id/calculator_display"
-			style="@style/cpp_display_style"
+			style="@style/CppText.Display"
 			a:inputType="textMultiLine"
 			a:maxLines="3"
 			a:scrollHorizontally="false"

android-app/src/main/res/layout-large/cpp_app_editor.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -32,11 +32,11 @@
 			a:id="@+id/fragment_title"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<org.solovyev.android.calculator.AndroidCalculatorEditorView
 			a:id="@+id/calculator_editor"
-			style="@style/cpp_editor_style"
+			style="@style/CppText.Editor"
 			a:textIsSelectable="true"
 			a:singleLine="false"
 			a:scrollbars="vertical"

android-app/src/main/res/layout-large/main_calculator.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_multi_pane_layout_style">
+			  style="@style/CppMain.Multipane">
 
 	<LinearLayout
 			a:layout_height="0dp"
@@ -44,14 +44,14 @@
 					a:id="@+id/editorContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="3"/>
 
 			<FrameLayout
 					a:id="@+id/displayContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="1"/>
 
 		</LinearLayout>
@@ -62,7 +62,7 @@
 				a:layout_width="0dp"
 				a:layout_weight="1"
 				a:orientation="vertical"
-				style="?cpp_pane_style"/>
+				style="@style/CppPaneStyle"/>
 
 	</LinearLayout>
 
@@ -71,6 +71,6 @@
 			a:layout_height="0dp"
 			a:layout_width="match_parent"
 			a:layout_weight="2"
-			style="?cpp_pane_style_transparent"/>
+			style="@style/CppPaneStyle.Transparent"/>
 
 </LinearLayout>

android-app/src/main/res/layout-xlarge-land/main_calculator.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_multi_pane_layout_style">
+			  style="@style/CppMain.Multipane">
 
 	<LinearLayout
 			a:layout_height="0dp"
@@ -44,14 +44,14 @@
 					a:id="@+id/editorContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="3"/>
 
 			<FrameLayout
 					a:id="@+id/displayContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="1"/>
 
 		</LinearLayout>
@@ -62,7 +62,7 @@
 				a:layout_width="0dp"
 				a:layout_weight="1"
 				a:orientation="vertical"
-				style="?cpp_pane_style"/>
+				style="@style/CppPaneStyle"/>
 
 	</LinearLayout>
 
@@ -71,6 +71,6 @@
 			a:layout_height="0dp"
 			a:layout_width="match_parent"
 			a:layout_weight="1"
-			style="?cpp_pane_style_transparent"/>
+			style="@style/CppPaneStyle.Transparent"/>
 
 </LinearLayout>

android-app/src/main/res/layout-xlarge/cpp_app_display.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -32,11 +32,11 @@
 			a:id="@+id/fragment_title"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<org.solovyev.android.calculator.AndroidCalculatorDisplayView
 			a:id="@+id/calculator_display"
-			style="@style/cpp_display_style"
+			style="@style/CppText.Display"
 			a:inputType="textMultiLine"
 			a:maxLines="3"
 			a:scrollHorizontally="false"

android-app/src/main/res/layout-xlarge/cpp_app_editor.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -32,11 +32,11 @@
 			a:id="@+id/fragment_title"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<org.solovyev.android.calculator.AndroidCalculatorEditorView
 			a:id="@+id/calculator_editor"
-			style="@style/cpp_editor_style"
+			style="@style/CppText.Editor"
 			a:textIsSelectable="true"
 			a:singleLine="false"
 			a:scrollbars="vertical"

android-app/src/main/res/layout-xlarge/main_calculator.xml

@@ -24,7 +24,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_multi_pane_layout_style">
+			  style="@style/CppMain.Multipane">
 
 	<LinearLayout
 			a:layout_height="0dp"
@@ -44,14 +44,14 @@
 					a:id="@+id/editorContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="4"/>
 
 			<FrameLayout
 					a:id="@+id/displayContainer"
 					a:layout_height="0dp"
 					a:layout_width="match_parent"
-					style="?cpp_pane_style"
+					style="@style/CppPaneStyle"
 					a:layout_weight="1"/>
 
 		</LinearLayout>
@@ -62,7 +62,7 @@
 				a:layout_width="0dp"
 				a:layout_weight="1"
 				a:orientation="vertical"
-				style="?cpp_pane_style"/>
+				style="@style/CppPaneStyle"/>
 
 	</LinearLayout>
 
@@ -71,6 +71,6 @@
 			a:layout_height="0dp"
 			a:layout_width="match_parent"
 			a:layout_weight="1"
-			style="?cpp_pane_style_transparent"/>
+			style="@style/CppPaneStyle.Transparent"/>
 
 </LinearLayout>

android-app/src/main/res/layout/about_fragment.xml

@@ -51,7 +51,7 @@
 				a:text="@string/c_about_content"
 				a:layout_height="match_parent"
 				a:layout_width="match_parent"
-				style="@style/cpp_about_style" />
+				style="@style/CppText.About" />
 
 
 			<TextView
@@ -60,7 +60,7 @@
 				a:layout_height="wrap_content"
 				a:layout_width="match_parent"
 				a:paddingBottom="0dp"
-				style="@style/cpp_about_style" />
+				style="@style/CppText.About" />
 
 			<TextView
 				a:id="@+id/cpp_about_translators"
@@ -68,7 +68,7 @@
 				a:layout_height="wrap_content"
 				a:layout_width="match_parent"
 				a:paddingTop="0dp"
-				style="@style/cpp_about_style" />
+				style="@style/CppText.About" />
 
 		</LinearLayout>
 	</ScrollView>

android-app/src/main/res/layout/cpp_app_button_0.xml

@@ -29,4 +29,4 @@
 													a:text="0"
 													c:textDown="000"
 													c:directionTextScale="0.5"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_1.xml

@@ -29,4 +29,4 @@
 													c:textUp="sin"
 													c:textLeft="A"
 													c:textDown="asin"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_2.xml

@@ -29,4 +29,4 @@
 													c:textUp="cos"
 													c:textLeft="B"
 													c:textDown="acos"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_3.xml

@@ -29,4 +29,4 @@
 													c:textUp="tan"
 													c:textLeft="C"
 													c:textDown="atan"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_4.xml

@@ -28,4 +28,4 @@
 													c:textUp="x"
 													c:textLeft="D"
 													c:textDown="y"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_5.xml

@@ -28,4 +28,4 @@
 													c:textUp="t"
 													c:textLeft="E"
 													c:textDown="j"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_6.xml

@@ -30,4 +30,4 @@
 													   c:textLeft="F"
 													   c:textDown="rad"
 													   c:directionTextScale="0.33;0.30;0.33;0.33"
-													   style="?cpp_digit_button_style"/>
+													   style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_7.xml

@@ -30,4 +30,4 @@
 													c:textLeft="0b:"
 													c:textDown="!"
 													c:directionTextScale="0.5;0.5;0.5;0.33"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_8.xml

@@ -30,4 +30,4 @@
 													c:textLeft="0d:"
 													c:textDown="lg"
 													c:directionTextScale="0.5;0.5;0.5;0.33"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_9.xml

@@ -30,4 +30,4 @@
 													c:textLeft="0x:"
 													c:textUp="π"
 													c:directionTextScale="0.5;0.5;0.5;0.33"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_clear.xml

@@ -30,4 +30,4 @@
 														 c:textDown="bin"
 														 c:textLeft="hex"
 														 a:textStyle="bold"
-														 style="?cpp_control_image_button_style"/>
+														 style="?attr/cpp_button_style_control_image"/>

android-app/src/main/res/layout/cpp_app_button_copy.xml

@@ -25,4 +25,4 @@
 <ImageButton xmlns:a="http://schemas.android.com/apk/res/android"
 			 a:id="@id/cpp_button_copy"
 			 a:src="@drawable/kb_copy"
-			 style="?cpp_control_image_button_style"/>
+			 style="?attr/cpp_button_style_control_image"/>

android-app/src/main/res/layout/cpp_app_button_division.xml

@@ -29,4 +29,4 @@
 													a:text="/"
 													c:textDown="√"
 													c:directionTextScale="0.5"
-													style="?cpp_operation_button_style"/>
+													style="?attr/cpp_button_style_operation"/>

android-app/src/main/res/layout/cpp_app_button_donate.xml

@@ -25,4 +25,4 @@
 <ImageButton xmlns:a="http://schemas.android.com/apk/res/android"
 			 a:id="@id/cpp_button_like"
 			 a:src="@drawable/kb_share"
-			 style="?cpp_control_image_button_style"/>
+			 style="?attr/cpp_button_style_control_image"/>

android-app/src/main/res/layout/cpp_app_button_dot.xml

@@ -28,4 +28,4 @@
 													a:text="."
 													c:textUp=","
 													c:directionTextScale="0.5"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_empty.xml

@@ -21,4 +21,4 @@
   ~ Email: se.solovyev@gmail.com
   ~ Site:  http://se.solovyev.org
   -->
-<org.solovyev.android.calculator.drag.DirectionDragButton style="?cpp_control_button_style"/>
+<org.solovyev.android.calculator.drag.DirectionDragButton style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_equals.xml

@@ -28,4 +28,4 @@
 													a:text="="
 													c:textDown="@string/cpp_plot_button_text"
 													c:directionTextScale="0.5;0.5;0.33;0.5"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_erase.xml

@@ -25,4 +25,4 @@
 <ImageButton xmlns:a="http://schemas.android.com/apk/res/android"
 			 a:id="@id/cpp_button_erase"
 			 a:src="@drawable/kb_erase"
-			 style="?cpp_control_image_button_style"/>
+			 style="?attr/cpp_button_style_control_image"/>

android-app/src/main/res/layout/cpp_app_button_functions.xml

@@ -29,4 +29,4 @@
 													c:textUp="+ƒ"
 													a:text="ƒ(x)"
 													a:textStyle="italic"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_history.xml

@@ -28,5 +28,5 @@
 													c:textUp="@string/c_undo"
 													c:textDown="@string/c_redo"
 													c:directionTextScale="0.27"
-													style="?cpp_control_button_style"
+													style="?attr/cpp_button_style_control"
 													a:textStyle="bold"/>

android-app/src/main/res/layout/cpp_app_button_left.xml

@@ -28,4 +28,4 @@
 													c:textUp="◁◁"
 													a:text="◁"
 													c:directionTextScale="0.5"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_minus.xml

@@ -27,4 +27,4 @@
 													c:textDown="∂,…"
 													a:text="-"
 													c:directionTextScale="0.4"
-													style="?cpp_operation_button_style"/>
+													style="?attr/cpp_button_style_operation"/>

android-app/src/main/res/layout/cpp_app_button_multiplication.xml

@@ -29,5 +29,5 @@
 													c:textUp="^"
 													c:textDown="^2"
 													c:textLeft="Π"
-													style="?cpp_operation_button_style"
+													style="?attr/cpp_button_style_operation"
 													c:directionTextScale="0.5"/>

android-app/src/main/res/layout/cpp_app_button_operators.xml

@@ -25,4 +25,4 @@
 <org.solovyev.android.calculator.drag.DirectionDragButton xmlns:a="http://schemas.android.com/apk/res/android"
 													a:id="@id/cpp_button_operators"
 													a:text="∂,…"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_paste.xml

@@ -25,4 +25,4 @@
 <ImageButton xmlns:a="http://schemas.android.com/apk/res/android"
 			 a:id="@id/cpp_button_paste"
 			 a:src="@drawable/kb_paste"
-			 style="?cpp_control_image_button_style"/>
+			 style="?attr/cpp_button_style_control_image"/>

android-app/src/main/res/layout/cpp_app_button_plus.xml

@@ -28,4 +28,4 @@
 													c:textUp="°"
 													c:textDown="E"
 													a:text="+"
-													style="?cpp_operation_button_style"/>
+													style="?attr/cpp_button_style_operation"/>

android-app/src/main/res/layout/cpp_app_button_right.xml

@@ -28,4 +28,4 @@
 													c:textUp="▷▷"
 													a:text="▷"
 													c:directionTextScale="0.5"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_button_round_brackets.xml

@@ -30,4 +30,4 @@
 													c:textDown=")"
 													c:textLeft="(…)"
 													c:directionTextScale="0.5;0.5;0.5;0.33"
-													style="?cpp_digit_button_style"/>
+													style="?attr/cpp_button_style_digit"/>

android-app/src/main/res/layout/cpp_app_button_vars.xml

@@ -29,4 +29,4 @@
 													c:textUp="+π"
 													a:text="π,…"
 													a:textStyle="italic"
-													style="?cpp_control_button_style"/>
+													style="?attr/cpp_button_style_control"/>

android-app/src/main/res/layout/cpp_app_display.xml

@@ -24,7 +24,7 @@
 
 <org.solovyev.android.calculator.AndroidCalculatorDisplayView xmlns:a="http://schemas.android.com/apk/res/android"
 															  a:id="@+id/calculator_display"
-															  style="@style/cpp_display_style"
+															  style="@style/CppText.Display"
 															  a:padding="@dimen/cpp_display_padding"
 															  a:inputType="textMultiLine"
 															  a:maxLines="3"

android-app/src/main/res/layout/cpp_app_display_mobile.xml

@@ -24,7 +24,7 @@
 
 <org.solovyev.android.calculator.AndroidCalculatorDisplayView xmlns:a="http://schemas.android.com/apk/res/android"
 															  a:id="@+id/calculator_display"
-															  style="@style/cpp_display_style"
+															  style="@style/CppText.Display"
 															  a:padding="@dimen/cpp_display_padding"
 															  a:inputType="textMultiLine"
 															  a:maxLines="3"

android-app/src/main/res/layout/cpp_app_editor.xml

@@ -24,14 +24,14 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent"
 			  a:padding="@dimen/cpp_editor_padding">
 
 	<org.solovyev.android.calculator.AndroidCalculatorEditorView
 			a:id="@+id/calculator_editor"
-			style="@style/cpp_editor_style"
+			style="@style/CppText.Editor"
 			a:textIsSelectable="true"
 			a:singleLine="false"
 			a:scrollbars="vertical"

android-app/src/main/res/layout/cpp_app_editor_mobile.xml

@@ -24,14 +24,14 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent"
 			  a:padding="@dimen/cpp_editor_padding">
 
 	<org.solovyev.android.calculator.AndroidCalculatorEditorView
 			a:id="@+id/calculator_editor"
-			style="@style/cpp_editor_mobile_style"
+			style="@style/CppText.Editor.Mobile"
 			a:textIsSelectable="true"
 			a:singleLine="false"
 			a:scrollbars="vertical"

android-app/src/main/res/layout/cpp_dialog.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/dialog_layout"
-			  style="@style/cpp_dialog"
+			  style="@style/CppDialog"
 			  a:orientation="vertical">
 
 </LinearLayout>

android-app/src/main/res/layout/cpp_dialog_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_gravity="center_horizontal"
 			  a:layout_height="match_parent"

android-app/src/main/res/layout/cpp_fixable_messages_dialog.xml

@@ -23,7 +23,7 @@
   -->
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
-			  style="@style/cpp_dialog">
+			  style="@style/CppDialog">
 
 	<LinearLayout
 			a:id="@+id/cpp_fixable_messages_container"

android-app/src/main/res/layout/cpp_plot_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -32,7 +32,7 @@
 			a:id="@+id/fragment_title"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<include layout="@layout/ad"/>
 

android-app/src/main/res/layout/cpp_plot_function_settings_dialog.xml

@@ -24,6 +24,6 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/dialog_layout"
-			  style="@style/cpp_dialog">
+			  style="@style/CppDialog">
 
 </LinearLayout>

android-app/src/main/res/layout/cpp_plot_function_settings_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="wrap_content"
 			  a:layout_gravity="center_horizontal"
 			  a:layout_height="match_parent"

android-app/src/main/res/layout/cpp_plot_functions_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -60,6 +60,6 @@
 
 	</LinearLayout>
 
-	<ListView style="@style/ListView"/>
+	<ListView style="@style/CppListView"/>
 
 </LinearLayout>

android-app/src/main/res/layout/cpp_plot_range_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_gravity="center_horizontal"
 			  a:layout_height="match_parent"

android-app/src/main/res/layout/cpp_purchase_dialog_fragment.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_gravity="center_horizontal"
 			  a:layout_height="match_parent"

android-app/src/main/res/layout/cpp_wizard.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 	a:id="@+id/wizard_layout"
-	style="@style/cpp_dialog"
+	style="@style/CppDialog"
 	a:orientation="vertical">
 
 	<FrameLayout

android-app/src/main/res/layout/cpp_wizard_step_drag_button.xml

@@ -56,6 +56,6 @@
 		c:textDown="^2"
 		c:textUp="%"
 		c:directionTextScale="0.5;0.5;0.5;0.33"
-		style="?cpp_control_button_style" />
+		style="?attr/cpp_button_style_control" />
 
 </LinearLayout>

android-app/src/main/res/layout/feedback.xml

@@ -28,7 +28,7 @@
 
 	<TextView
 			a:id="@+id/feedbackText"
-			style="@style/cpp_about_style"
+			style="@style/CppText.About"
 			a:layout_width="fill_parent"
 			a:text="@string/c_feedback_text"
 			a:layout_height="fill_parent"/>

android-app/src/main/res/layout/history_fragment.xml

@@ -24,14 +24,14 @@
 
 <LinearLayout
 	a:id="@+id/main_fragment_layout"
-	style="?cpp_fragment_layout_style"
+	style="@style/CppFragment"
 	xmlns:a="http://schemas.android.com/apk/res/android"
 	a:layout_width="match_parent"
 	a:layout_height="match_parent">
 
 	<TextView
 		a:id="@+id/fragment_title"
-		style="?cpp_fragment_title_style"
+		style="@style/CppFragmentTitle"
 		a:layout_width="match_parent"
 		a:layout_height="wrap_content" />
 
@@ -41,11 +41,11 @@
 		a:layout_width="match_parent"
 		a:layout_height="match_parent">
 
-		<ListView style="@style/ListView" />
+		<ListView style="@style/CppListView" />
 
 		<com.melnykov.fab.FloatingActionButton
 			a:id="@+id/fab"
-			style="@style/Fab"
+			style="@style/CppFab"
 			a:src="@drawable/ic_delete_white_36dp" />
 	</FrameLayout>
 </LinearLayout>

android-app/src/main/res/layout/history_item.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:orientation="horizontal"
-			  style="@style/ListViewItem">
+			  style="@style/CppListViewItem">
 
 
 	<LinearLayout

android-app/src/main/res/layout/main_calculator.xml

@@ -23,7 +23,7 @@
   -->
 
 <LinearLayout a:id="@+id/main_layout"
-	style="?cpp_main_layout_style"
+	style="@style/CppMain"
 	xmlns:a="http://schemas.android.com/apk/res/android"
 	a:layout_width="match_parent"
 	a:layout_height="match_parent"

android-app/src/main/res/layout/main_calculator_mobile.xml

@@ -27,7 +27,7 @@
 			  a:layout_height="match_parent"
 			  a:id="@+id/main_layout"
 			  a:orientation="vertical"
-			  style="?cpp_main_layout_style">
+			  style="@style/CppMain">
 
 	<LinearLayout
 			a:id="@+id/editorContainer"

android-app/src/main/res/layout/main_empty.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
-			  style="?cpp_main_layout_style"
+			  style="@style/CppMain"
 			  a:orientation="vertical">
 
 </LinearLayout>

android-app/src/main/res/layout/main_empty_multi_pane.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_layout"
-			  style="?cpp_main_multi_pane_layout_style"
+			  style="@style/CppMain.Multipane"
 			  a:orientation="vertical">
 
 </LinearLayout>

android-app/src/main/res/layout/math_entities_fragment.xml

@@ -24,14 +24,14 @@
 
 <LinearLayout
 	a:id="@+id/main_fragment_layout"
-	style="?cpp_fragment_layout_style"
+	style="@style/CppFragment"
 	xmlns:a="http://schemas.android.com/apk/res/android"
 	a:layout_width="match_parent"
 	a:layout_height="match_parent">
 
 	<TextView
 		a:id="@+id/fragment_title"
-		style="?cpp_fragment_title_style"
+		style="@style/CppFragmentTitle"
 		a:layout_width="match_parent"
 		a:layout_height="wrap_content" />
 
@@ -41,11 +41,11 @@
 		a:layout_width="match_parent"
 		a:layout_height="match_parent">
 
-		<ListView style="@style/ListView" />
+		<ListView style="@style/CppListView" />
 
 		<com.melnykov.fab.FloatingActionButton
 			a:id="@+id/fab"
-			style="@style/Fab"
+			style="@style/CppFab"
 			a:src="@drawable/ic_add_white_36dp"
 			a:visibility="gone" />
 	</FrameLayout>

android-app/src/main/res/layout/math_entity.xml

@@ -25,7 +25,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:layout_height="wrap_content"
 			  a:layout_width="match_parent"
-			  style="@style/ListViewItem"
+			  style="@style/CppListViewItem"
 			  a:orientation="horizontal">
 
 	<LinearLayout

android-app/src/main/res/layout/matrix_edit_fragment.xml

@@ -26,7 +26,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  xmlns:picker="http://schemas.android.com/apk/res-auto"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent">
 
@@ -34,7 +34,7 @@
 			a:id="@+id/fragmentTitle"
 			a:layout_height="wrap_content"
 			a:layout_width="match_parent"
-			style="?cpp_fragment_title_style"/>
+			style="@style/CppFragmentTitle"/>
 
 	<include layout="@layout/ad"/>
 

android-app/src/main/res/layout/notespp_announce.xml

@@ -28,7 +28,7 @@
 
 	<TextView
 			a:id="@+id/notespp_announce"
-			style="@style/cpp_about_style"
+			style="@style/CppText.About"
 			a:layout_width="fill_parent"
 			a:text="@string/c_notespp_announce_text"
 			a:layout_height="fill_parent"/>

android-app/src/main/res/layout/onscreen_display.xml

@@ -8,7 +8,7 @@
 
 <org.solovyev.android.calculator.AndroidCalculatorDisplayView xmlns:a="http://schemas.android.com/apk/res/android"
 															  a:id="@+id/calculator_display"
-															  style="@style/cpp_onscreen_display_style"
+															  style="@style/CppText.Display.Onscreen"
 															  a:padding="@dimen/cpp_display_padding"
 															  a:inputType="textMultiLine"
 															  a:maxLines="3"

android-app/src/main/res/layout/onscreen_editor.xml

@@ -8,7 +8,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="?cpp_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent"
 			  a:padding="@dimen/cpp_editor_padding">

android-app/src/main/res/layout/release_notes_fragment.xml

@@ -35,7 +35,7 @@
 			a:layout_weight="1"
 			a:gravity="top|left"
 			a:scrollbars="vertical"
-			style="@style/cpp_about_style"/>
+			style="@style/CppText.About"/>
 
 	<!--
 			a:scrollbarFadeDuration="0" is not support in  android_1.6_compatibility

android-app/src/main/res/layout/saved_history_item.xml

@@ -24,7 +24,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 	a:orientation="vertical"
-	style="@style/ListViewItem">
+	style="@style/CppListViewItem">
 
 	<TextView
 		a:id="@+id/history_item"

android-app/src/main/res/layout/vars_fragment.xml

@@ -24,14 +24,14 @@
 
 <LinearLayout
 	a:id="@+id/main_fragment_layout"
-	style="?cpp_fragment_layout_style"
+	style="@style/CppFragment"
 	xmlns:a="http://schemas.android.com/apk/res/android"
 	a:layout_width="match_parent"
 	a:layout_height="match_parent">
 
 	<TextView
 		a:id="@+id/fragment_title"
-		style="?cpp_fragment_title_style"
+		style="@style/CppFragmentTitle"
 		a:layout_width="match_parent"
 		a:layout_height="wrap_content" />
 
@@ -41,11 +41,11 @@
 		a:layout_width="match_parent"
 		a:layout_height="match_parent">
 
-		<ListView style="@style/ListView" />
+		<ListView style="@style/CppListView" />
 
 		<com.melnykov.fab.FloatingActionButton
 			a:id="@+id/fab"
-			style="@style/Fab"
+			style="@style/CppFab"
 			a:src="@drawable/ic_add_white_36dp" />
 	</FrameLayout>
 

android-app/src/main/res/layout/widget_editor.xml

@@ -8,7 +8,7 @@
 
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 			  a:id="@+id/main_fragment_layout"
-			  style="@style/cpp_default_fragment_layout_style"
+			  style="@style/CppFragment"
 			  a:layout_width="match_parent"
 			  a:layout_height="match_parent"
 			  a:padding="@dimen/cpp_editor_padding">

android-app/src/main/res/layout/widget_layout_lockscreen_collapsed.xml

@@ -8,7 +8,7 @@
 
 	<LinearLayout
 		a:id="@+id/main_fragment_layout"
-		style="@style/cpp_default_fragment_layout_style"
+		style="@style/CppFragment"
 		a:orientation="horizontal"
 		a:layout_width="match_parent"
 		a:layout_height="0dp"

android-app/src/main/res/values-v21/theme.xml

@@ -22,17 +22,17 @@
 
 <resources>
 
-	<style name="Theme" parent="Theme.Base">
+	<style name="Cpp.Theme" parent="Cpp.Theme.Base">
 		<item name="android:colorPrimary">@color/cpp_metro_button</item>
 		<item name="android:colorPrimaryDark">@color/cpp_metro_button_dark</item>
 	</style>
 
-	<style name="Theme.Dialog" parent="Theme.Base.Dialog">
+	<style name="Cpp.Theme.Dialog" parent="Cpp.Theme.Base.Dialog">
 		<item name="android:colorPrimary">@color/cpp_metro_button</item>
 		<item name="android:colorPrimaryDark">@color/cpp_metro_button_dark</item>
 	</style>
 
-	<style name="Theme.Wizard" parent="@style/cpp_metro_blue_theme">
+	<style name="Cpp.Theme.Wizard" parent="@style/cpp_metro_blue_theme">
 		<item name="android:windowBackground">@color/cpp_wizard_bg</item>
 		<item name="android:colorEdgeEffect">@color/cpp_wizard_overscroll</item>
 		<item name="colorAccent">@color/cpp_wizard_primary</item>
@@ -41,7 +41,7 @@
 		<item name="android:textColorPrimary">@color/cpp_wizard_primary</item>
 	</style>
 
-	<style name="Theme.Settings" parent="Theme.Settings.Base">
+	<style name="Cpp.Theme.Settings" parent="Cpp.Theme.Settings.Base">
 		<item name="android:colorEdgeEffect">@color/cpp_wizard_overscroll</item>
 		<item name="colorAccent">@color/cpp_wizard_primary</item>
 		<item name="android:colorAccent">@color/cpp_wizard_primary</item>

android-app/src/main/res/values-v21/theme_material.xml

@@ -22,38 +22,31 @@
 
 <resources>
 
-	<style name="material_digit_button_style" parent="cpp_keyboard_button_style">
+	<style name="CppKeyboardButton.Material.Digit" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/material_button_dark</item>
 		<item name="android:stateListAnimator">@null</item>
 	</style>
 
-	<style name="material_control_button_style" parent="metro_digit_button_style">
+	<style name="CppKeyboardButton.Material.Operation" parent="CppKeyboardButton.Material.Digit">
-		<item name="android:background">@drawable/material_button_dark</item>
-		<item name="android:stateListAnimator">@null</item>
-	</style>
-
-	<style name="material_operation_button_style" parent="material_digit_button_style">
 		<item name="android:background">@drawable/material_blue_button</item>
-		<item name="android:stateListAnimator">@null</item>
 	</style>
 
-	<style name="material_control_image_button_style" parent="material_control_button_style">
+	<style name="CppKeyboardButton.Material.Control.Image" parent="CppKeyboardButton.Material.Digit">
 		<item name="android:padding">6dp</item>
-		<item name="android:stateListAnimator">@null</item>
 	</style>
 
-	<style name="cpp_material_theme" parent="cpp_metro_blue_theme">
+	<style name="Cpp.Theme.Material" parent="Cpp.Theme">
-		<item name="cpp_digit_button_style">@style/material_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Material.Digit</item>
-		<item name="cpp_control_button_style">@style/material_control_button_style</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Material.Digit</item>
-		<item name="cpp_control_image_button_style">@style/material_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Material.Control.Image</item>
-		<item name="cpp_operation_button_style">@style/material_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Material.Operation</item>
 	</style>
 
-	<style name="cpp_metro_blue_dialog_theme" parent="cpp_gray_dialog_theme">
+	<style name="Cpp.Theme.Dialog.Material" parent="Cpp.Theme.Dialog">
-		<item name="cpp_digit_button_style">@style/material_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Material.Digit</item>
-		<item name="cpp_control_button_style">@style/material_control_button_style</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Material.Digit</item>
-		<item name="cpp_control_image_button_style">@style/material_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Material.Control.Image</item>
-		<item name="cpp_operation_button_style">@style/material_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Material.Operation</item>
 	</style>
 
 </resources>

android-app/src/main/res/values/attributes.xml

@@ -23,17 +23,10 @@
 
 <resources>
 
-	<attr name="cpp_digit_button_style" format="reference"/>
+	<attr name="cpp_button_style_digit" format="reference"/>
-	<attr name="cpp_control_button_style" format="reference"/>
+	<attr name="cpp_button_style_control" format="reference"/>
-	<attr name="cpp_control_image_button_style" format="reference"/>
+	<attr name="cpp_button_style_control_image" format="reference"/>
-	<attr name="cpp_operation_button_style" format="reference"/>
+	<attr name="cpp_button_style_operation" format="reference"/>
-	<attr name="cpp_fragment_layout_style" format="reference"/>
-	<attr name="cpp_fragment_title_style" format="reference"/>
-	<attr name="cpp_button_style" format="reference"/>
-	<attr name="cpp_pane_style" format="reference"/>
-	<attr name="cpp_pane_style_transparent" format="reference"/>
-	<attr name="cpp_main_layout_style" format="reference"/>
-	<attr name="cpp_main_multi_pane_layout_style" format="reference"/>
 	<attr name="cpp_main_bg" format="reference"/>
 
 </resources>

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

@@ -40,16 +40,7 @@
 		<item name="android:textSize">@dimen/cpp_text_size</item>
 	</style>
 
-	<style name="cpp_button_style">
+	<style name="CppKeyboardButton">
-		<item name="android:layout_width">wrap_content</item>
-		<item name="android:layout_height">wrap_content</item>
-		<item name="android:focusable">true</item>
-		<item name="android:background">@drawable/metro_blue_button</item>
-		<item name="android:textSize">@dimen/cpp_button_text_size</item>
-		<item name="android:textColor">@color/cpp_button_text</item>
-	</style>
-
-	<style name="cpp_keyboard_button_style">
 		<item name="android:layout_width">0dp</item>
 		<item name="android:layout_height">match_parent</item>
 		<item name="android:layout_weight">1</item>
@@ -62,7 +53,7 @@
 		<item name="android:scaleType">centerInside</item>
 	</style>
 
-	<style name="cpp_onscreen_editor_style" parent="cpp_editor_style">
+	<style name="cpp_onscreen_editor_style" parent="CppText.Editor">
 		<item name="android:ellipsize">none</item>
 		<item name="android:singleLine">true</item>
 		<item name="android:maxLines">1</item>
@@ -71,7 +62,7 @@
 		<item name="android:scrollbars">horizontal</item>
 	</style>
 
-	<style name="cpp_editor_style" parent="cpp_default_text">
+	<style name="CppText.Editor" parent="CppText">
 		<item name="android:text">""</item>
 		<item name="android:gravity">left|top</item>
 		<item name="android:layout_width">fill_parent</item>
@@ -79,22 +70,22 @@
 		<item name="android:textSize">@dimen/cpp_editor_text_size</item>
 	</style>
 
-	<style name="cpp_editor_mobile_style" parent="cpp_editor_style">
+	<style name="CppText.Editor.Mobile" parent="CppText.Editor">
 		<item name="android:textSize">@dimen/cpp_editor_text_size_mobile</item>
 	</style>
 
-	<style name="cpp_display_style" parent="cpp_default_text">
+	<style name="CppText.Display" parent="CppText">
 		<item name="android:gravity">top|right</item>
 		<item name="android:layout_width">match_parent</item>
 		<item name="android:layout_height">match_parent</item>
 		<item name="android:textSize">@dimen/cpp_display_text_size</item>
 	</style>
 
-	<style name="cpp_onscreen_display_style" parent="cpp_display_style">
+	<style name="CppText.Display.Onscreen" parent="CppText.Display">
 		<item name="android:textSize">@dimen/cpp_onscreen_display_text_size</item>
 	</style>
 
-	<style name="cpp_about_style" parent="cpp_default_text">
+	<style name="CppText.About" parent="CppText">
 		<item name="android:gravity">center</item>
 		<item name="android:layout_width">fill_parent</item>
 		<item name="android:layout_height">fill_parent</item>
@@ -102,12 +93,11 @@
 		<item name="android:padding">5dp</item>
 	</style>
 
-	<style name="cpp_default_text">
+	<style name="CppText">
 		<item name="android:background">@android:color/transparent</item>
 		<item name="android:textColor">@color/cpp_text</item>
 	</style>
 
-
 	<style name="cpp_simple_metro_digit_button_style" parent="metro_digit_button_style">
 		<item name="android:textSize">@dimen/cpp_widget_keyboard_button_text_size</item>
 		<item name="android:background">@drawable/metro_widget_button_dark</item>
@@ -127,21 +117,21 @@
 		<item name="android:background">@drawable/metro_widget_button_light</item>
 	</style>
 
-	<style name="cpp_widget_main_layout_style" parent="cpp_default_main_layout_style">
+	<style name="cpp_widget_main_layout_style" parent="CppMain">
 		<item name="android:background">@color/cpp_main_bg</item>
 		<item name="android:padding">1dp</item>
 		<item name="android:layout_margin">@dimen/cpp_widget_margin</item>
 	</style>
 
-	<style name="cpp_widget_editor_style" parent="cpp_editor_style">
+	<style name="cpp_widget_editor_style" parent="CppText.Editor">
 		<item name="android:textSize">@dimen/cpp_widget_editor_text_size</item>
 	</style>
 
-	<style name="cpp_widget_display_style" parent="cpp_display_style">
+	<style name="cpp_widget_display_style" parent="CppText.Display">
 		<item name="android:textSize">@dimen/cpp_widget_display_text_size</item>
 	</style>
 
-	<style name="cpp_onscreen_main_layout_style" parent="cpp_default_main_layout_style">
+	<style name="cpp_onscreen_main_layout_style" parent="CppMain">
 		<item name="android:background">@color/cpp_main_bg</item>
 		<item name="android:padding">1dp</item>
 	</style>
@@ -201,4 +191,83 @@
 		<item name="materialColor">@color/cpp_wizard_button_selector</item>
 		<item name="android:textAppearance">@android:style/TextAppearance.Medium</item>
 	</style>
+
+	<style name="CppFragmentTitle">
+		<item name="android:textColor">@android:color/white</item>
+		<item name="android:textSize">@dimen/cpp_fragment_title_text_size</item>
+		<item name="android:paddingLeft">@dimen/cpp_pane_margin</item>
+	</style>
+
+	<style name="CppPaneStyle">
+		<item name="android:layout_marginLeft">@dimen/cpp_pane_margin</item>
+		<item name="android:layout_marginTop">@dimen/cpp_pane_margin</item>
+		<item name="android:padding">@dimen/cpp_pane_padding</item>
+		<item name="android:background">@drawable/pane_background</item>
+	</style>
+
+	<style name="CppPaneStyle.Transparent" parent="CppPaneStyle">
+		<item name="android:background">@android:color/transparent</item>
+		<item name="android:padding">0dp</item>
+	</style>
+
+	<style name="CppMain">
+		<item name="android:baselineAligned">false</item>
+		<item name="android:layout_height">match_parent</item>
+		<item name="android:layout_width">match_parent</item>
+	</style>
+
+	<style name="CppMain.Multipane" parent="CppMain">
+		<item name="android:paddingRight">@dimen/cpp_pane_padding</item>
+		<item name="android:paddingBottom">@dimen/cpp_pane_padding</item>
+	</style>
+
+	<style name="CppFragment">
+		<item name="android:layout_margin">0dp</item>
+		<item name="android:padding">0dp</item>
+		<item name="android:orientation">vertical</item>
+	</style>
+
+	<style name="CppDialog">
+		<item name="android:padding">6dp</item>
+		<item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:orientation">vertical</item>
+		<item name="android:layout_gravity">center_horizontal</item>
+	</style>
+
+	<style name="CppListViewItem">
+		<item name="android:paddingLeft">16dp</item>
+		<item name="android:paddingRight">16dp</item>
+		<item name="android:paddingBottom">20dp</item>
+		<item name="android:paddingTop">20dp</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:layout_width">match_parent</item>
+		<item name="android:minHeight">72dp</item>
+		<item name="android:gravity">center_vertical|left</item>
+	</style>
+
+	<style name="CppFab">
+		<item name="android:layout_width">wrap_content</item>
+		<item name="android:layout_height">wrap_content</item>
+		<item name="android:layout_gravity">bottom|end</item>
+		<item name="android:layout_margin">16dp</item>
+		<item name="fab_colorNormal">@color/cpp_metro_button</item>
+		<item name="fab_colorPressed">@color/cpp_metro_button</item>
+		<item name="fab_colorRipple">?attr/colorControlHighlight</item>
+	</style>
+
+	<style name="CppListView">
+		<item name="android:id">@android:id/list</item>
+		<item name="android:dividerHeight">1px</item>
+		<item name="android:divider">@color/cpp_list_divider</item>
+		<item name="android:cacheColorHint">@android:color/transparent</item>
+		<item name="android:layout_height">match_parent</item>
+		<item name="android:layout_width">match_parent</item>
+		<item name="android:layout_weight">1</item>
+		<item name="android:fadingEdge">none</item>
+		<item name="android:paddingLeft">@dimen/cpp_pane_padding</item>
+		<item name="android:paddingRight">@dimen/cpp_pane_padding</item>
+		<item name="android:layout_marginBottom">@dimen/cpp_pane_padding</item>
+	</style>
+
 </resources>

android-app/src/main/res/values/theme.xml

@@ -22,26 +22,35 @@
 
 <resources>
 
-	<style name="Theme" parent="Theme.Base"></style>
+	<style name="Cpp.Theme" parent="Cpp.Theme.Base"/>
-	<style name="Theme.Dialog" parent="Theme.Base.Dialog"></style>
 
-	<style name="Theme.Base" parent="@style/Theme.AppCompat"></style>
+	<style name="Cpp.Theme.Dialog" parent="Cpp.Theme.Base.Dialog"/>
-	<style name="Theme.Base.Dialog" parent="@style/Theme.AppCompat.Dialog">
+
+	<style name="Cpp.Theme.Base" parent="@style/Theme.AppCompat">
+		<item name="android:windowBackground">@color/cpp_main_bg</item>
+
+		<item name="cpp_main_bg">@color/cpp_main_bg</item>
+	</style>
+
+	<style name="Cpp.Theme.Base.Dialog" parent="@style/Theme.AppCompat.Dialog">
 		<item name="android:windowNoTitle">false</item>
 		<item name="android:windowTitleBackgroundStyle">@android:color/transparent</item>
 		<item name="windowActionBar">false</item>
+		<item name="android:windowCloseOnTouchOutside">false</item>
+
+		<item name="cpp_main_bg">@color/cpp_main_bg</item>
 	</style>
 
-	<style name="Theme.Wizard.Purchase" parent="cpp_metro_blue_theme">
+	<style name="Cpp.Theme.Wizard.Purchase" parent="cpp_metro_blue_theme">
 		<item name="android:windowNoTitle">true</item>
 		<item name="android:background">@color/cpp_metro_button_light</item>
 	</style>
 
-	<style name="Theme.Wizard" parent="@style/cpp_metro_blue_theme">
+	<style name="Cpp.Theme.Wizard" parent="@style/cpp_metro_blue_theme">
 		<item name="android:windowBackground">@color/cpp_wizard_bg</item>
 	</style>
 
-	<style name="Theme.Settings.Base" parent="@style/cpp_metro_blue_theme">
+	<style name="Cpp.Theme.Settings.Base" parent="@style/cpp_metro_blue_theme">
 		<item name="android:windowNoTitle">true</item>
 		<item name="android:windowActionBar">false</item>
 		<item name="toolbarStyle">@style/Widget.Toolbar</item>
@@ -49,8 +58,8 @@
 		<item name="android:textColorSecondary">@color/cpp_wizard_secondary</item>
 		<item name="android:textColorPrimary">@color/cpp_wizard_primary</item>
 	</style>
-	<style name="Theme.Settings" parent="Theme.Settings.Base">
+
-	</style>
+	<style name="Cpp.Theme.Settings" parent="Cpp.Theme.Settings.Base"/>
 
 	<style name="Widget.Toolbar" parent="@style/Widget.AppCompat.Toolbar">
 		<item name="android:background">?attr/colorPrimary</item>

android-app/src/main/res/values/theme_gray.xml

@@ -1,173 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ 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.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-
-<resources>
-
-	<style name="cpp_default_digit_button_style" parent="cpp_keyboard_button_style">
-		<item name="android:background">@drawable/gray_button</item>
-	</style>
-
-	<style name="cpp_dialog">
-		<item name="android:padding">6dp</item>
-		<item name="android:layout_width">wrap_content</item>
-		<item name="android:layout_height">wrap_content</item>
-		<item name="android:orientation">vertical</item>
-		<item name="android:layout_gravity">center_horizontal</item>
-	</style>
-
-	<style name="cpp_default_control_button_style" parent="cpp_keyboard_button_style">
-		<item name="android:background">@drawable/gray_button_dark</item>
-	</style>
-
-	<style name="cpp_default_operation_button_style" parent="cpp_default_digit_button_style">
-		<item name="android:textColor">@color/cpp_button_text_operator</item>
-	</style>
-
-	<style name="cpp_default_control_image_button_style" parent="cpp_default_control_button_style">
-		<item name="android:padding">6dp</item>
-	</style>
-
-	<style name="ListViewItem">
-		<item name="android:paddingLeft">16dp</item>
-		<item name="android:paddingRight">16dp</item>
-		<item name="android:paddingBottom">20dp</item>
-		<item name="android:paddingTop">20dp</item>
-		<item name="android:layout_height">wrap_content</item>
-		<item name="android:layout_width">match_parent</item>
-		<item name="android:minHeight">72dp</item>
-		<item name="android:gravity">center_vertical|left</item>
-	</style>
-
-	<style name="Fab">
-		<item name="android:layout_width">wrap_content</item>
-		<item name="android:layout_height">wrap_content</item>
-		<item name="android:layout_gravity">bottom|end</item>
-		<item name="android:layout_margin">16dp</item>
-		<item name="fab_colorNormal">@color/cpp_metro_button</item>
-		<item name="fab_colorPressed">@color/cpp_metro_button</item>
-		<item name="fab_colorRipple">?attr/colorControlHighlight</item>
-	</style>
-
-	<style name="ListView">
-		<item name="android:id">@android:id/list</item>
-		<item name="android:dividerHeight">1px</item>
-		<item name="android:divider">@color/cpp_list_divider</item>
-		<item name="android:cacheColorHint">@android:color/transparent</item>
-		<item name="android:layout_height">match_parent</item>
-		<item name="android:layout_width">match_parent</item>
-		<item name="android:layout_weight">1</item>
-		<item name="android:fadingEdge">none</item>
-		<item name="android:paddingLeft">@dimen/cpp_pane_padding</item>
-		<item name="android:paddingRight">@dimen/cpp_pane_padding</item>
-		<item name="android:layout_marginBottom">@dimen/cpp_pane_padding</item>
-	</style>
-
-	<style name="cpp_default_fragment_title_style">
-		<item name="android:textColor">@android:color/white</item>
-		<item name="android:textSize">@dimen/cpp_fragment_title_text_size</item>
-		<item name="android:paddingLeft">@dimen/cpp_pane_margin</item>
-	</style>
-
-	<style name="cpp_default_button_style" parent="cpp_button_style">
-		<item name="android:paddingTop">5dp</item>
-		<item name="android:paddingBottom">5dp</item>
-		<item name="android:paddingLeft">10dp</item>
-		<item name="android:paddingRight">10dp</item>
-	</style>
-
-	<style name="cpp_default_pane_style_transparent" parent="cpp_default_pane_style">
-		<item name="android:background">@android:color/transparent</item>
-		<item name="android:padding">0dp</item>
-	</style>
-
-	<style name="cpp_default_pane_style">
-		<item name="android:layout_marginLeft">@dimen/cpp_pane_margin</item>
-		<item name="android:layout_marginTop">@dimen/cpp_pane_margin</item>
-		<item name="android:padding">@dimen/cpp_pane_padding</item>
-		<item name="android:background">@drawable/pane_background</item>
-	</style>
-
-	<style name="cpp_default_main_multi_pane_layout_style" parent="cpp_default_main_layout_style">
-		<item name="android:paddingRight">@dimen/cpp_pane_padding</item>
-		<item name="android:paddingBottom">@dimen/cpp_pane_padding</item>
-	</style>
-
-	<style name="cpp_default_fragment_multi_pane_layout_style" parent="cpp_default_fragment_layout_style"></style>
-
-	<style name="cpp_default_fragment_layout_style">
-		<item name="android:layout_margin">0dp</item>
-		<item name="android:padding">0dp</item>
-		<item name="android:orientation">vertical</item>
-	</style>
-
-	<style name="cpp_default_main_layout_style">
-		<item name="android:baselineAligned">false</item>
-		<item name="android:layout_height">match_parent</item>
-		<item name="android:layout_width">match_parent</item>
-	</style>
-
-	<style name="cpp_gray_theme" parent="Theme">
-		<item name="android:windowBackground">@color/cpp_main_bg</item>
-
-		<!-- buttons -->
-		<item name="cpp_digit_button_style">@style/cpp_default_digit_button_style</item>
-		<item name="cpp_control_button_style">@style/cpp_default_control_button_style</item>
-		<item name="cpp_control_image_button_style">@style/cpp_default_control_image_button_style</item>
-		<item name="cpp_operation_button_style">@style/cpp_default_operation_button_style</item>
-
-		<!-- other -->
-		<item name="cpp_fragment_title_style">@style/cpp_default_fragment_title_style</item>
-		<item name="cpp_button_style">@style/cpp_default_button_style</item>
-
-		<item name="cpp_main_layout_style">@style/cpp_default_main_layout_style</item>
-		<item name="cpp_main_multi_pane_layout_style">@style/cpp_default_main_multi_pane_layout_style</item>
-
-		<item name="cpp_fragment_layout_style">@style/cpp_default_fragment_layout_style</item>
-
-		<item name="cpp_pane_style">@style/cpp_default_pane_style</item>
-		<item name="cpp_pane_style_transparent">@style/cpp_default_pane_style_transparent</item>
-		<item name="cpp_main_bg">@color/cpp_main_bg</item>
-	</style>
-
-	<style name="cpp_gray_dialog_theme" parent="Theme.Dialog">
-		<item name="android:windowCloseOnTouchOutside">false</item>
-		<!-- buttons -->
-		<item name="cpp_digit_button_style">@style/cpp_default_digit_button_style</item>
-		<item name="cpp_control_button_style">@style/cpp_default_control_button_style</item>
-		<item name="cpp_control_image_button_style">@style/cpp_default_control_image_button_style</item>
-		<item name="cpp_operation_button_style">@style/cpp_default_operation_button_style</item>
-
-		<!-- other -->
-		<item name="cpp_fragment_title_style">@style/cpp_default_fragment_title_style</item>
-		<item name="cpp_button_style">@style/cpp_default_button_style</item>
-
-		<item name="cpp_main_layout_style">@style/cpp_default_main_layout_style</item>
-		<item name="cpp_main_multi_pane_layout_style">@style/cpp_default_main_multi_pane_layout_style</item>
-
-		<item name="cpp_fragment_layout_style">@style/cpp_default_fragment_layout_style</item>
-
-		<item name="cpp_pane_style">@style/cpp_default_pane_style</item>
-		<item name="cpp_pane_style_transparent">@style/cpp_default_pane_style_transparent</item>
-		<item name="cpp_main_bg">@color/cpp_main_bg</item>
-	</style>
-
-</resources>

android-app/src/main/res/values/theme_metro_blue.xml

@@ -22,7 +22,7 @@
 
 <resources>
 
-	<style name="metro_digit_button_style" parent="cpp_keyboard_button_style">
+	<style name="metro_digit_button_style" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/metro_button_dark</item>
 	</style>
 
@@ -48,18 +48,18 @@
 		<item name="android:padding">6dp</item>
 	</style>
 
-	<style name="cpp_metro_blue_theme" parent="cpp_gray_theme">
+	<style name="cpp_metro_blue_theme" parent="Cpp.Theme">
-		<item name="cpp_digit_button_style">@style/metro_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/metro_digit_button_style</item>
-		<item name="cpp_control_button_style">@style/metro_control_button_style</item>
+		<item name="cpp_button_style_control">@style/metro_control_button_style</item>
-		<item name="cpp_control_image_button_style">@style/metro_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/metro_control_image_button_style</item>
-		<item name="cpp_operation_button_style">@style/metro_blue_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/metro_blue_operation_button_style</item>
 	</style>
 
-	<style name="cpp_metro_blue_dialog_theme" parent="cpp_gray_dialog_theme">
+	<style name="Cpp.Theme.Dialog.Material" parent="Cpp.Theme.Dialog">
-		<item name="cpp_digit_button_style">@style/metro_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/metro_digit_button_style</item>
-		<item name="cpp_control_button_style">@style/metro_control_button_style</item>
+		<item name="cpp_button_style_control">@style/metro_control_button_style</item>
-		<item name="cpp_control_image_button_style">@style/metro_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/metro_control_image_button_style</item>
-		<item name="cpp_operation_button_style">@style/metro_blue_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/metro_blue_operation_button_style</item>
 	</style>
 
 </resources>

android-app/src/main/res/values/theme_metro_green.xml

@@ -27,7 +27,7 @@
 	</style>
 
 	<style name="cpp_metro_green_theme" parent="cpp_metro_blue_theme">
-		<item name="cpp_operation_button_style">@style/metro_green_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/metro_green_operation_button_style</item>
 	</style>
 
 </resources>

android-app/src/main/res/values/theme_metro_purple.xml

@@ -27,7 +27,7 @@
 	</style>
 
 	<style name="cpp_metro_purple_theme" parent="cpp_metro_blue_theme">
-		<item name="cpp_operation_button_style">@style/metro_purple_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/metro_purple_operation_button_style</item>
 	</style>
 
 </resources>

android-app/src/main/res/values/theme_old_blue.xml

@@ -22,27 +22,27 @@
 
 <resources>
 
-	<style name="light_blue_digit_button_style" parent="cpp_keyboard_button_style">
+	<style name="CppKeyboardButton.Blue.Digit" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/blue_button</item>
 	</style>
 
-	<style name="light_blue_control_button_style" parent="cpp_keyboard_button_style">
+	<style name="CppKeyboardButton.Blue.Control" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/blue_button_dark</item>
 	</style>
 
-	<style name="light_blue_operation_button_style" parent="light_blue_digit_button_style">
+	<style name="CppKeyboardButton.Blue.Operation" parent="CppKeyboardButton.Blue.Digit">
 		<item name="android:textColor">@color/cpp_button_text_operator</item>
 	</style>
 
-	<style name="light_blue_control_image_button_style" parent="light_blue_control_button_style">
+	<style name="CppKeyboardButton.Blue.Control.Image" parent="CppKeyboardButton.Blue.Control">
 		<item name="android:padding">6dp</item>
 	</style>
 
-	<style name="cpp_light_blue_theme" parent="cpp_gray_theme">
+	<style name="Cpp.Theme.Blue" parent="Cpp.Theme">
-		<item name="cpp_digit_button_style">@style/light_blue_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Blue.Digit</item>
-		<item name="cpp_control_button_style">@style/light_blue_control_button_style</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Blue.Control</item>
-		<item name="cpp_control_image_button_style">@style/light_blue_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Blue.Control.Image</item>
-		<item name="cpp_operation_button_style">@style/light_blue_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Blue.Operation</item>
 	</style>
 
 </resources>

android-app/src/main/res/values/theme_old_gray.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2013 serso aka se.solovyev
+  ~
+  ~ 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.
+  ~
+  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  ~ Contact details
+  ~
+  ~ Email: se.solovyev@gmail.com
+  ~ Site:  http://se.solovyev.org
+  -->
+
+<resources>
+
+	<style name="CppKeyboardButton.Gray.Digit" parent="CppKeyboardButton">
+		<item name="android:background">@drawable/gray_button</item>
+	</style>
+
+	<style name="CppKeyboardButton.Gray.Control" parent="CppKeyboardButton">
+		<item name="android:background">@drawable/gray_button_dark</item>
+	</style>
+
+	<style name="CppKeyboardButton.Gray.Operation" parent="CppKeyboardButton.Gray.Digit">
+		<item name="android:textColor">@color/cpp_button_text_operator</item>
+	</style>
+
+	<style name="CppKeyboardButton.Gray.Control.Image" parent="CppKeyboardButton.Gray.Control">
+		<item name="android:padding">6dp</item>
+	</style>
+
+	<style name="Cpp.Theme.Gray" parent="Cpp.Theme">
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Gray.Digit</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Gray.Control</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Gray.Control.Image</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Gray.Operation</item>
+	</style>
+
+	<style name="Cpp.Theme.Dialog.Gray" parent="Cpp.Theme.Dialog">
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Gray.Digit</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Gray.Control</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Gray.Control.Image</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Gray.Operation</item>
+	</style>
+
+</resources>

android-app/src/main/res/values/theme_old_violet.xml

@@ -22,26 +22,26 @@
 
 <resources>
 
-	<style name="violet_digit_button_style" parent="cpp_keyboard_button_style">
+	<style name="CppKeyboardButton.Violet.Digit" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/violet_button</item>
 	</style>
 
-	<style name="violet_operation_button_style" parent="violet_digit_button_style">
+	<style name="CppKeyboardButton.Violet.Operation" parent="CppKeyboardButton.Violet.Digit">
 		<item name="android:textColor">@color/cpp_button_text_operator</item>
 	</style>
 
-	<style name="violet_control_button_style" parent="cpp_keyboard_button_style">
+	<style name="CppKeyboardButton.Violet.Control" parent="CppKeyboardButton">
 		<item name="android:background">@drawable/violet_button_dark</item>
 	</style>
 
-	<style name="violet_control_image_button_style" parent="violet_control_button_style">
+	<style name="CppKeyboardButton.Violet.Control.Image" parent="CppKeyboardButton.Violet.Control">
 		<item name="android:padding">6dp</item>
 	</style>
 
-	<style name="cpp_violet_theme" parent="cpp_gray_theme">
+	<style name="Cpp.Theme.Violet" parent="Cpp.Theme">
-		<item name="cpp_digit_button_style">@style/violet_digit_button_style</item>
+		<item name="cpp_button_style_digit">@style/CppKeyboardButton.Violet.Digit</item>
-		<item name="cpp_control_button_style">@style/violet_control_button_style</item>
+		<item name="cpp_button_style_control">@style/CppKeyboardButton.Violet.Control</item>
-		<item name="cpp_control_image_button_style">@style/violet_control_image_button_style</item>
+		<item name="cpp_button_style_control_image">@style/CppKeyboardButton.Violet.Control.Image</item>
-		<item name="cpp_operation_button_style">@style/violet_operation_button_style</item>
+		<item name="cpp_button_style_operation">@style/CppKeyboardButton.Violet.Operation</item>
 	</style>
 </resources>