Added a spinner layout for slow connections

Author: blundell

res/layout/activity_purchase.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  android:gravity="center"
+  android:orientation="vertical" >
+
+  <ProgressBar
+    android:id="@+id/progressBar1"
+    style="?android:attr/progressBarStyleLarge"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content" />
+
+</LinearLayout>

src/com/blundell/tutorial/simpleinappbillingv3/ui/base/PurchaseActivity.java

@@ -7,6 +7,7 @@
 import com.android.vending.billing.util.IabHelper.OnIabPurchaseFinishedListener;
 import com.android.vending.billing.util.IabHelper.OnIabSetupFinishedListener;
 import com.blundell.tutorial.simpleinappbillingv3.AppProperties;
+import com.blundell.tutorial.simpleinappbillingv3.R;
 import com.blundell.tutorial.simpleinappbillingv3.domain.items.Passport;
 import com.blundell.tutorial.simpleinappbillingv3.util.Log;
 
@@ -29,6 +30,7 @@ public abstract class PurchaseActivity extends BlundellActivity implements OnIab
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_purchase);
         setResult(RESULT_CANCELED);
 
         billingHelper = new IabHelper(this, AppProperties.BASE_64_KEY);