Update the code to choose a Google Map by using

an AsyncTask to perform the network request.

MyTracks/res/layout/choose_map.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2010 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="fill_parent"
+  android:layout_width="fill_parent"
+  android:orientation="vertical">
+  <TextView
+    android:background="@drawable/list_bar"
+    android:layout_height="wrap_content"
+    android:layout_width="fill_parent"
+    android:padding="5dp"
+    android:text="@string/maps_list_pick_map"
+    android:textColor="@color/white"
+    android:textSize="16sp"/>
+  <ListView
+    android:id="@+id/choose_map_list_view"
+    android:layout_height="fill_parent"
+    android:layout_weight="1"
+    android:layout_width="fill_parent"
+    android:padding="5dp"/>
+  <TextView
+    android:id="@+id/choose_map_empty_view"
+    android:gravity="center"
+    android:layout_height="fill_parent"
+    android:layout_weight="1"
+    android:layout_width="fill_parent"
+    android:padding="5dp"
+    android:textColor="@color/red"
+    android:textSize="16sp"
+    android:textStyle="bold"/>
+</LinearLayout>