added missing files

src/keepass2android/Resources/values/attrs.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <attr name="TextViewParentStyle" format="reference"/>
+    <attr name="ActionBarButtonParentStyle" format="reference" />
+    <attr name="TextColorGroup" format="reference"></attr>
+    <attr name="TextColorHeader" format="reference"></attr>
+    <attr name="TextColorItem" format="reference"></attr>
+    <attr name="CancelDrawable" format="reference"></attr>
+    <attr name="NewGroupDrawable" format="reference"></attr>
+    <attr name="AddFieldDrawable" format="reference"></attr>
+    <attr name="NewEntryDrawable" format="reference"></attr>
+    <attr name="OpenFileDrawable" format="reference"></attr>
+    <attr name="OpenUrlDrawable" format="reference"></attr>
+    <attr name="CreateDbDrawable" format="reference"></attr>
+	<attr name="ic_menu_add_field" format="reference"></attr>
+
+	<attr name="ic_launcher_folder_small" format="reference"></attr>
+	<attr name="ic_action_search_drawable" format="reference"></attr>
+	<attr name="NavigationAcceptDrawable" format="reference"></attr>
+    
+    
+</resources>

src/keepass2android/Utils/ActivityDesign.cs

@@ -0,0 +1,66 @@
+using Android.App;
+using Android.Preferences;
+
+namespace keepass2android
+{
+	class ActivityDesign
+	{
+		private readonly Activity _activity;
+
+		private int? _currentThemeId;
+
+		public ActivityDesign(Activity activity)
+		{
+			_activity = activity;
+		}
+
+		public void ApplyTheme()
+		{
+			if (HasThemes())
+			{
+				var dark = UseDarkTheme;
+				int newTheme = dark ? Resource.Style.ThemeDark : Resource.Style.ThemeLight;
+				_activity.SetTheme(newTheme);
+				_currentThemeId = newTheme;
+			}
+		}
+
+		public void ReapplyTheme()
+		{
+			int newTheme = UseDarkTheme ? Resource.Style.ThemeDark : Resource.Style.ThemeLight;
+			if (newTheme != _currentThemeId)
+			{
+				Kp2aLog.Log("recreating due to theme change.");
+				_activity.Recreate();
+			}
+			
+		}
+
+		private bool UseDarkTheme
+		{
+			get
+			{
+				var prefs = PreferenceManager.GetDefaultSharedPreferences(_activity);
+				string design = prefs.GetString(_activity.GetString(Resource.String.design_key), _activity.GetString(Resource.String.design_default));
+				bool dark = (design == "Dark");
+				return dark;
+			}
+		}
+
+		public void ApplyDialogTheme()
+		{
+			if (HasThemes())
+			{
+				bool dark = UseDarkTheme;
+				_activity.SetTheme(dark ? Resource.Style.DialogDark : Resource.Style.DialogLight);
+			}
+
+		}
+
+		public bool HasThemes()
+		{
+			return ((int)Android.OS.Build.VERSION.SdkInt >= 14);
+		}
+		
+	}
+}