Lecture 13: Notifications

Question 1

One of the requirements for working with a foreground service is that it must provide some sort of ___

Answer 1

notification to te user that the service is running

Question 2

Notifications don’t just let you know an app is running though, they provide ___

Answer 2

descriptive information, updates or even action shortcuts

Question 3

Notifications can be ____ controlled by the user

Answer 3

independently

Question 4

Notifications are organized into ___
Eah app may have one or more ___

Answer 4

channels

Question 5

____ are designed to organization notifcations in ways that allow for user control over ___

Answer 5

• Notifications
• Specific types of notifcation

Question 6

Channels can be created by ___ or ___, but they should be registered ____ on creation in both cases

Answer 6

• services
• activities
• immediately

Question 7

The importance level declared for a channels defines how ___

Answer 7

intrusive a notification may be

Question 8

More important notifications take up more ____ and may also have ___ or ___ cues as welll

Answer 8

• more visual spae
• audio
• vibration

Question 9

What are the 3 levels of importance?

Answer 9

• IMPORTANCE_DEFAULT
• IMPORTANCE_HIGH
• IMPORTANCE_LOW

Question 10

How do notifications with importance level IMPORTANCE_DEFAULT look?

Answer 10

Notifications appear everywhere and have audio cues, but are visually unobtrusive

Question 11

How do notifications with importance level IMPORTANCE_HIGH look?

Answer 11

Notifications will visually show a tab and have an audio cue and may go full screen in some instances

Question 12

How do notifications with importance level IMPORTANCE_LOW look?

Answer 12

Notifications will appear when the phone is locked or on the home screen and in the status bar but no audio cue

Question 13

What is the anatomy of a notification?

Answer 13

• custom icon
• name of the app that generated the notification
• timestamp based on when notification was registered
• notification title
• notification body/content

Question 14

Once we have a channel we can build notifications for that channel. The only tie between the two is the ___ integer must ___

Answer 14

• CHANNEL_ID
• match between the two

Question 15

Once the builder object is set up we can call ___ to build the notification

Answer 15

build()

Question 16

We can fetch the current NotifiationManager context and use it to ___

Answer 16

send the built notification to the system

Question 17

Each notification must also have a ___ which is a ___ for each notification

Answer 17

• notification ID
• unique integer

Question 18

The _____ object allows for many customizations of your notification

Answer 18

NotificationCompat.Builder

Question 19

Notifications can be cancelled in multiple wars, the simplest is when a user cancels a notifcation by tapping on it when ___ is used

Answer 19

setAutoCancel(true)

Question 20

You can use the ____ to manually cancel individual notifications by unique integer ID orr cancel all notifications made in the channel

Answer 20

NotificationManager

Question 21

Notifications are builting using a ___ and then registered with the ___ assigned to their specific channel

Answer 21

• builder
• notification manager