Add an interstitial when sharing a track with friends.

MyTracks/res/layout/confirm_sharing.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2012 Google Inc.
+
+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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_height="wrap_content"
+  android:layout_width="fill_parent" >
+  <CheckBox
+    android:id="@+id/confirm_sharing"
+    android:layout_height="wrap_content"
+    android:layout_marginBottom="8dp"
+    android:layout_marginLeft="8dp"
+    android:layout_marginRight="8dp"
+    android:layout_width="fill_parent"
+    android:text="@string/generic_do_not_show_again"
+    style="@style/TextMedium" />
+</LinearLayout>

MyTracks/res/layout/help.xml

@@ -72,6 +72,18 @@ limitations under the License.
       <TextView
         android:text="@string/help_share_friends_answer"
         style="@style/HelpAnswer" />
+      <TextView
+        android:text="@string/help_maps_public_unlisted_question"
+        style="@style/HelpQuestion" />
+      <TextView
+        android:id="@+id/help_maps_public_unlisted_answer"
+        style="@style/HelpAnswer" />
+      <TextView
+        android:text="@string/help_google_services_question"
+        style="@style/HelpQuestion" />
+      <TextView
+        android:id="@+id/help_google_services_answer"
+        style="@style/HelpAnswer" />
       <TextView
         android:text="@string/help_share_visibility_question"
         style="@style/HelpQuestion" />