UI changes

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

@@ -6,19 +6,7 @@
   ~ or visit http://se.solovyev.org
   -->
 
-<FrameLayout
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    a:id="@+id/main_fragment_layout"
-    a:layout_width="match_parent"
-    a:layout_height="match_parent"
-    a:padding="@dimen/cpp_editor_padding">
-
-    <TextView
-        a:id="@+id/calculator_editor"
-        style="@style/CppText.Editor.Widget"
-        a:hint="@string/c_calc_editor_hint"
-        a:scrollbars="vertical"
-        a:singleLine="false"
-        a:textIsSelectable="true" />
-
-</FrameLayout>
+<TextView
+    a:id="@+id/calculator_editor"
+    style="@style/CppText.Editor.Widget"
+    xmlns:a="http://schemas.android.com/apk/res/android"/>