Книга: Beginning Android



While the flashing lights, sounds, and vibrations are aimed at getting somebody to look at the device, icons are designed to take them the next step and tell them what’s so important.

To set up an icon for a Notification, you need to set two public fields: icon, where you provide the identifier of a Drawable resource representing the icon, and contentIntent, where you supply a PendingIntent to be raised when the icon is clicked. You should be sure the PendingIntent will be caught by something, perhaps your own application code, to take appropriate steps to let the user deal with the event triggering the notification.

You can also supply a text blurb to appear when the icon is put on the status bar (tickerText).

If you want all three, the simpler approach is to call setLatestEventInfo(), which wraps all three of those in a single call.

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