math entities list activities refactored + categories added

res/layout/history_tabs.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
-  ~ For more information, please, contact se.solovyev@gmail.com
-  ~ or visit http://se.solovyev.org
-  -->
-
-<TabHost xmlns:a="http://schemas.android.com/apk/res/android"
-		 a:id="@android:id/tabhost"
-		 a:layout_width="fill_parent"
-		 a:layout_height="fill_parent">
-
-	<LinearLayout
-			a:orientation="vertical"
-			a:layout_width="fill_parent"
-			a:layout_height="fill_parent">
-
-		<TabWidget
-				a:id="@android:id/tabs"
-				a:layout_width="fill_parent"
-				a:layout_height="wrap_content"/>
-
-		<FrameLayout
-				a:id="@android:id/tabcontent"
-				a:layout_width="fill_parent"
-				a:layout_height="fill_parent"/>
-
-	</LinearLayout>
-</TabHost>

res/layout/math_entity.xml

@@ -16,18 +16,18 @@
 			a:layout_width="fill_parent"
 			a:layout_height="fill_parent">
 
-		<TextView a:id="@+id/var_text"
+		<TextView a:id="@+id/math_entity_text"
 				  a:layout_width="fill_parent"
 				  a:layout_height="fill_parent"
-				  style="@style/var_text">
+				  style="@style/math_entity_text">
 		</TextView>
 
 	</LinearLayout>
 
-	<TextView a:id="@+id/var_description"
+	<TextView a:id="@+id/math_entity_description"
 			  a:layout_width="fill_parent"
 			  a:layout_height="fill_parent"
-			  style="@style/var_description">
+			  style="@style/math_entity_description">
 	</TextView>
 
 </LinearLayout>

res/layout/operators.xml

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
-  ~ For more information, please, contact se.solovyev@gmail.com
-  ~ or visit http://se.solovyev.org
-  -->
-
-<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
-    a:orientation="vertical"
-    a:layout_width="fill_parent"
-    a:layout_height="fill_parent">
-
-    <ListView
-        a:layout_width="fill_parent"
-        a:layout_height="fill_parent"
-        a:layout_weight="1"
-        a:id="@android:id/list"/>
-
-</LinearLayout>

res/layout/tabs.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+  ~ For more information, please, contact se.solovyev@gmail.com
+  ~ or visit http://se.solovyev.org
+  -->
+
+<TabHost xmlns:a="http://schemas.android.com/apk/res/android"
+         a:id="@android:id/tabhost"
+         a:layout_width="fill_parent"
+         a:layout_height="fill_parent">
+
+    <LinearLayout
+            a:orientation="vertical"
+            a:layout_width="fill_parent"
+            a:layout_height="fill_parent">
+
+        <TabWidget
+                a:id="@android:id/tabs"
+                a:layout_width="fill_parent"
+                a:layout_height="wrap_content"/>
+
+        <FrameLayout
+                a:id="@android:id/tabcontent"
+                a:layout_width="fill_parent"
+                a:layout_height="fill_parent"/>
+
+    </LinearLayout>
+</TabHost>