mobile: moved about to settings activity

mobile/res/menu/main.xml

@@ -10,11 +10,6 @@
         android:showAsAction="never"
         android:title="@string/action_settings"></item>
 
-    <item android:id="@+id/about"
-        android:orderInCategory="1200"
-        android:showAsAction="never"
-        android:title="@string/action_about"></item>
-
     <item android:id="@+id/cache_clear"
         android:orderInCategory="100"
         android:showAsAction="never"

mobile/res/values/strings.xml

@@ -11,11 +11,11 @@
     <string name="close">close</string>
     <string name="build_version">Build Version</string>
     <string name="iitc_version">IITC Version</string>
+    <string name="about">About</string>
     
-    <string name="action_about">About</string>
-    <string name="about_title">About</string>
+    <string name="pref_about_title">About IITC Mobile</string>
     <!-- Use CDATA to prevent android from parsin html tags....we are doing this with Html.fromHtml() -->
-    <string name="about_msg">
+    <string name="pref_about_msg">
         <![CDATA[<big><b>Ingress Intel Total Conversion Mobile</b></big><br><br>
         <b>by <a href="https://github.com/leCradle">cradle</a></b><br><br>
         <b>Icon by <a href="https://twitter.com/machtwerk">machtwerk</a></b><br><br>
@@ -31,6 +31,7 @@
         <a href="https://github.com/breunigs/ingress-intel-total-conversion">https://github.com/breunigs/ingress-intel-total-conversion</a>]]>
     </string>
 
+    <string name="pref_ui_cat">UI</string>
     <string name="pref_force_desktop">Force desktop mode</string>
     <string name="pref_force_desktop_sum">Nice for tablets, looks awful on smartphones</string>
     <string name="pref_developer_options">Developer options</string>

mobile/res/xml/preferences.xml

@@ -1,10 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <com.cradle.iitc_mobile.IITC_AboutDialogPreference
+        android:key="pref_about"
+        android:title="@string/pref_about_title"
+        android:dialogIcon="@android:drawable/ic_dialog_info"
+        android:negativeButtonText=""
+        android:positiveButtonText=""
+        android:dialogTitle="@string/pref_about_title"/>
+
+    <PreferenceCategory
+        android:key="pref_about_cat"
+        android:title="@string/pref_ui_cat">
     <CheckBoxPreference
         android:key="pref_force_desktop"
         android:title="@string/pref_force_desktop"
         android:summary="@string/pref_force_desktop_sum"
         android:defaultValue="false" />
+    </PreferenceCategory>
 
     <PreferenceCategory
         android:key="pref_developer_options"
@@ -28,4 +41,5 @@
             android:enabled="false"
             android:selectable="false" />
     </PreferenceCategory>
+
 </PreferenceScreen>