Chapter 8. Notifications and alarms


This chapter covers

  • Building an SMS notification application
  • Working with Toasts
  • Working with the NotificationManager
  • Using alarms and the AlarmManager
  • Setting an alarm


Today’s cell phones and tablets are expected to be not only phones but personal assistants, cameras, music and video players, and instant-messaging clients, as well as to do just about everything else a computer might do. With all these applications running on phones and tablets, applications need a way to notify users to get their attention or to take some sort of action, whether in response to an SMS, a new voicemail, or an alarm reminding them of a new appointment. With Android 3.1 Google has updated notifications, refined them, ...

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