gui: Adding Route list/create operations

Change-Id: I5655b7a0d243eb0c59ad0fc8470a497810ca001d
Refs: #2642
diff --git a/app/src/main/res/xml/pref_routes.xml b/app/src/main/res/xml/pref_routes.xml
new file mode 100644
index 0000000..322f584
--- /dev/null
+++ b/app/src/main/res/xml/pref_routes.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+  <PreferenceCategory
+      android:key="routes"
+      android:title="Routes">
+
+    <Preference android:title="Create route" android:key="create_route" />
+
+    <PreferenceScreen android:title="List routes" android:key="list_routes">
+        <intent android:action="android.intent.action.VIEW"
+                android:targetPackage="net.named_data.nfd"
+                android:targetClass="net.named_data.nfd.RouteListActivity" />
+    </PreferenceScreen>
+
+  </PreferenceCategory>
+</PreferenceScreen>