First pass at advanced NFC tag dispatching APIs and other cleanup.

Change-Id: I288a13cea9967c2f852200e8bd1a802b7d96655d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8410b20..0af8309 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -47,11 +47,19 @@
             android:theme="@android:style/Theme.NoTitleBar"
             android:launchMode="singleTop"
         >
+            <!-- Catch the generic intent so we can display something for unknown tags -->
             <intent-filter>
                 <action android:name="android.nfc.action.TAG_DISCOVERED"/>
                 <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>
 
+            <!-- Offer to display anything with NDEF data -->
+            <intent-filter>
+                <action android:name="android.nfc.action.TECH_DISCOVERED"/>
+                <data android:scheme="vnd.android.nfc" android:host="tag" android:pathPattern=".*\/6\/.*" />
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+
             <intent-filter>
                 <action android:name="android.intent.action.VIEW"/>
                 <data android:mimeType="vnd.android.cursor.item/ndef_msg"/>