- fixed circular progress bar in Delayed Transition sample on JB devices

Author: Piotr Zawadzki

sample/src/main/res/layout/dialog_loader.xml

@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:padding="32dp" />
+    android:padding="32dp">
+
+    <ProgressBar
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center" />
+
+</FrameLayout>