Notification with Big View

A notification's big view appears only when the notification is expanded, which happens when the notification is at the top of the notification drawer, or when the user expands the notification with a gesture. Expanded notifications are available starting with Android 4.1.

Spinner with item text aligned to center

In Android, text in Spinner is defaulted to align to left. To change the alignment, we need to create our own layout for the Spinner