Clean up and extend the linkify sample.

Change-Id: If9d0451af3bfcdcd8bafb325f4b7978857efab7e
diff --git a/samples/ApiDemos/res/layout/link.xml b/samples/ApiDemos/res/layout/link.xml
index d4eaf0c..6c034dd 100644
--- a/samples/ApiDemos/res/layout/link.xml
+++ b/samples/ApiDemos/res/layout/link.xml
@@ -14,43 +14,55 @@
      limitations under the License.
 -->
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:orientation="vertical"
-              android:layout_width="match_parent"
-              android:layout_height="wrap_content">
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
 
-  <!-- Four TextView widgets, each one displaying text containing links. -->
+    <LinearLayout android:orientation="vertical"
+                  android:layout_width="match_parent"
+                  android:layout_height="wrap_content"
+                  android:showDividers="middle"
+                  android:divider="?android:attr/listDivider">
 
-  <!-- text1 automatically linkifies things like URLs and phone numbers. -->
-  <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-            android:id="@+id/text1"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:autoLink="all"
-            android:text="@string/link_text_auto"
-            />
+      <!-- Four TextView widgets, each one displaying text containing links. -->
 
-  <!-- text2 uses a string resource containing explicit <a> tags to
-       specify links. -->
-  <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-            android:id="@+id/text2"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:text="@string/link_text_manual"
-            />
+      <!-- text1 automatically linkifies things like URLs and phone numbers. -->
+      <TextView android:id="@+id/text1"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:paddingBottom="8dp"
+                android:autoLink="all"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/link_text_auto"
+                />
 
-  <!-- text3 builds the text in the Java code using HTML. -->
-  <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-            android:id="@+id/text3"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            />
+      <!-- text2 uses a string resource containing explicit <a> tags to
+           specify links. -->
+      <TextView android:id="@+id/text2"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:paddingTop="8dp"
+                android:paddingBottom="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:text="@string/link_text_manual"
+                />
 
-  <!-- text4 builds the text in the Java code without using HTML. -->
-  <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-            android:id="@+id/text4"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            />
+      <!-- text3 builds the text in the Java code using HTML. -->
+      <TextView android:id="@+id/text3"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:paddingTop="8dp"
+                android:paddingBottom="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                />
 
-</LinearLayout>
+      <!-- text4 builds the text in the Java code without using HTML. -->
+      <TextView android:id="@+id/text4"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:paddingTop="8dp"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                />
+
+    </LinearLayout>
+</ScrollView>
diff --git a/samples/ApiDemos/res/values/strings.xml b/samples/ApiDemos/res/values/strings.xml
index 99e2463..c637655 100644
--- a/samples/ApiDemos/res/values/strings.xml
+++ b/samples/ApiDemos/res/values/strings.xml
@@ -1019,14 +1019,21 @@
     <string name="linear_layout_8_b">B</string>
     <string name="linear_layout_8_c">C</string>
     <string name="linear_layout_9_button">Button</string>
-    <string name="link_text_auto"><b>text1:</b> This is some text.  In
+    <string name="link_text_auto"><b>text1: Various kinds
+      of data that will be auto-linked.</b>  In
       this text are some things that are actionable.  For instance,
       you can click on http://www.google.com and it will launch the
-      web browser.  You can click on google.com too.  And, if you
-      click on (415) 555-1212 it should dial the phone.
+      web browser.  You can click on google.com too.  If you
+      click on (415) 555-1212 it should dial the phone.  Or just write
+      foobar@example.com for an e-mail link.  If you have a URI like
+      http://www.example.com/lala/foobar@example.com you should get the
+      full link not the e-mail address.  Or you can put a location
+      like 1600 Amphitheatre Parkway, Mountain View, CA 94043.  To summarize:
+      https://www.google.com, or 650-253-0000, somebody@example.com,
+      or 9606 North MoPac Expressway, Suite 400, Austin, TX 78759.
     </string>
-    <string name="link_text_manual"><b>text2:</b> This is some other
-      text, with a <a href="http://www.google.com">link</a> specified
+    <string name="link_text_manual"><b>text2: Explicit links using &lt;a&gt; markup.</b>
+      This has markup for a <a href="http://www.google.com">link</a> specified
       via an &lt;a&gt; tag.  Use a \"tel:\" URL
       to <a href="tel:4155551212">dial a phone number</a>.
     </string>
diff --git a/samples/ApiDemos/src/com/example/android/apis/text/Link.java b/samples/ApiDemos/src/com/example/android/apis/text/Link.java
index b569d19..cc3ed5b 100644
--- a/samples/ApiDemos/src/com/example/android/apis/text/Link.java
+++ b/samples/ApiDemos/src/com/example/android/apis/text/Link.java
@@ -59,7 +59,7 @@
         TextView t3 = (TextView) findViewById(R.id.text3);
         t3.setText(
             Html.fromHtml(
-                "<b>text3:</b>  Text with a " +
+                "<b>text3: Constructed from HTML programmatically.</b>  Text with a " +
                 "<a href=\"http://www.google.com\">link</a> " +
                 "created in the Java source code using HTML."));
         t3.setMovementMethod(LinkMovementMethod.getInstance());
@@ -70,11 +70,11 @@
         // hardcoded value.
 
         SpannableString ss = new SpannableString(
-            "text4: Click here to dial the phone.");
+            "text4: Manually created spans. Click here to dial the phone.");
 
-        ss.setSpan(new StyleSpan(Typeface.BOLD), 0, 6,
+        ss.setSpan(new StyleSpan(Typeface.BOLD), 0, 30,
                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-        ss.setSpan(new URLSpan("tel:4155551212"), 13, 17,
+        ss.setSpan(new URLSpan("tel:4155551212"), 31+6, 31+10,
                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 
         TextView t4 = (TextView) findViewById(R.id.text4);