Software Development Exam > Software Development Videos > Android Application Development (Mobile App) > Android Application Development Tutorial - 190 - Setting up a Notification
Android Application Development Tutorial - 190 - Setting up a Notification Video Lecture | Android Application Development (Mobile App) - Software Development
FAQs on Android Application Development Tutorial - 190 - Setting up a Notification Video Lecture - Android Application Development (Mobile App) - Software Development
| 1. How do I set up a notification in an Android application? |  |
Ans. To set up a notification in an Android application, you need to follow these steps:
1. Create a notification channel using the NotificationChannel class.
2. Configure the channel's properties such as name, description, and importance level.
3. Register the channel with the system using the NotificationManager class.
4. Create a notification using the NotificationCompat.Builder class.
5. Set the notification's properties like title, content, icon, and intent.
6. Call the builder's build() method to build the notification object.
7. Use the NotificationManager to display the notification by calling notify() method with a unique notification ID.
| 2. How can I customize the appearance of a notification in Android? | |
Ans. You can customize the appearance of a notification in Android by using the NotificationCompat.Builder class. It provides various methods to modify the notification's appearance, such as:
- setSmallIcon(): Sets the small icon that appears in the notification bar.
- setContentTitle(): Sets the title text of the notification.
- setContentText(): Sets the content text of the notification.
- setLargeIcon(): Sets the large icon that appears in the expanded notification view.
- setStyle(): Sets a custom style for the notification, such as BigTextStyle or InboxStyle.
- setColor(): Sets the accent color of the notification.
- setSound(): Sets a custom sound for the notification.
- setVibration(): Sets custom vibration pattern for the notification.
| 3. How can I handle notification actions in an Android application? | |
Ans. To handle notification actions in an Android application, you can use PendingIntent. Follow these steps:
1. Create an Intent with the desired action and any necessary data.
2. Create a PendingIntent using the PendingIntent.getActivity() or PendingIntent.getBroadcast() method.
3. Set the PendingIntent as the action for the notification using the addAction() method of NotificationCompat.Builder.
4. In your activity or broadcast receiver, handle the action by checking the intent action and extracting any necessary data.
| 4. How can I set up a notification channel in Android? | |
Ans. To set up a notification channel in Android, you need to create an instance of the NotificationChannel class. Follow these steps:
1. Create a new instance of NotificationChannel with a unique ID and a user-visible name.
2. Set the channel's name, description, and importance level using the setName(), setDescription(), and setImportance() methods.
3. Optionally, you can set other properties like sound, vibration, and light using the setSound(), setVibrationPattern(), and enableLights() methods.
4. Register the channel with the system by calling NotificationManager.createNotificationChannel() and passing the NotificationChannel instance.
| 5. How can I show a notification in Android even when the application is closed? | |
Ans. To show a notification in Android even when the application is closed, you need to use a service. Follow these steps:
1. Create a service class that extends the Service class.
2. Override the onStartCommand() method in the service class.
3. In the onStartCommand() method, create a notification using the NotificationCompat.Builder class and set its properties.
4. Start the service from your activity or broadcast receiver using startService() or startForegroundService() method.
5. Call startForeground() method in the service to display the notification as a foreground service.
6. Stop the service when the notification is no longer needed using stopSelf() method.
Text Transcript from Video
what's up guys welcome your hundred 90th
Android tutorial for the new Boston
where we're hopefully gonna finish up
this little activity here maybe one more
tutorial I said but but what we're gonna
do now is within our on click method
we're gonna set up the text that we want
to display so we're just gonna call this
string and we're gonna call this body
because it's gonna be the body of the
text and we're gonna set this equal to
whatever so this is a message from
Travis thanks for your support
something like that maybe and then we're
also gonna set up a title so we're gonna
say string and title set this equal to
set this equal to Travis C and there we
go we have our title and now what we
need to do is we need to create a
notification and we need to tell it like
what's drawable object you know what the
time is that we sent the notification
all that good stuff so we're gonna say
notification I call this N and we're
gonna set this equal to new notification
and then we're gonna refer to our
drawable object or that little icon that
we set up I'm gonna say our drawable dot
lightning is my reference your reference
is probably different then we're gonna
say what the message of the notification
is so we're gonna call that body that
text that we set up and lastly we're
gonna refer to what time this
notification was sent so we're gonna
refer to the system time we're just
gonna say system current time in
milliseconds and there we go we have our
notification setup and then we're gonna
just add you know what details we want
to our notification we're gonna set up
the title and you know what intent we
wanted to open or a pending intent I
should say so we're just gonna say in
dot set latest event info recruit into
context we're going to say this the the
title we're gonna refer to our title
text for the content text we're again
referring to our body so we're gonna say
body and lastly our pending intent which
we called P I or pending intent so
that's just going to set up our
notification you know again the body the
I'm sorry the title the body and the
intent that we want to open and then
we're also going to set up basically how
we want to notify the user so we're
going to say in defaults we're going to
set this equal to a notification class
and then we have some options like the
lights the sound vibration all that good
stuff so we're going to choose the
default all which is basically the
default sound in the default or it will
vibrate as well we'll do both so set
that up and and then also since we're
using the vibrate we're gonna have to go
into the the new boston manifest and add
a vibrate permission again you can just
type this out or just go to the
permissions and say add use permission
and then you know vibration or vibrate I
should say and just add that permission
to our to our manifest so our
application won't crash and that's
probably it for this tutorial I don't
know exactly how much time we've spent
but I will finish it up in the laughs in
the next tutorial because again we have
to refer to our notification manager to
handle some of the events that's going
on and all that good stuff so we'll
finish up this little activity in the
next tutorial and I'll see you guys then
hope you have a good one and catch you
later
Android tutorial for the new Boston
where we're hopefully gonna finish up
this little activity here maybe one more
tutorial I said but but what we're gonna
do now is within our on click method
we're gonna set up the text that we want
to display so we're just gonna call this
string and we're gonna call this body
because it's gonna be the body of the
text and we're gonna set this equal to
whatever so this is a message from
Travis thanks for your support
something like that maybe and then we're
also gonna set up a title so we're gonna
say string and title set this equal to
set this equal to Travis C and there we
go we have our title and now what we
need to do is we need to create a
notification and we need to tell it like
what's drawable object you know what the
time is that we sent the notification
all that good stuff so we're gonna say
notification I call this N and we're
gonna set this equal to new notification
and then we're gonna refer to our
drawable object or that little icon that
we set up I'm gonna say our drawable dot
lightning is my reference your reference
is probably different then we're gonna
say what the message of the notification
is so we're gonna call that body that
text that we set up and lastly we're
gonna refer to what time this
notification was sent so we're gonna
refer to the system time we're just
gonna say system current time in
milliseconds and there we go we have our
notification setup and then we're gonna
just add you know what details we want
to our notification we're gonna set up
the title and you know what intent we
wanted to open or a pending intent I
should say so we're just gonna say in
dot set latest event info recruit into
context we're going to say this the the
title we're gonna refer to our title
text for the content text we're again
referring to our body so we're gonna say
body and lastly our pending intent which
we called P I or pending intent so
that's just going to set up our
notification you know again the body the
I'm sorry the title the body and the
intent that we want to open and then
we're also going to set up basically how
we want to notify the user so we're
going to say in defaults we're going to
set this equal to a notification class
and then we have some options like the
lights the sound vibration all that good
stuff so we're going to choose the
default all which is basically the
default sound in the default or it will
vibrate as well we'll do both so set
that up and and then also since we're
using the vibrate we're gonna have to go
into the the new boston manifest and add
a vibrate permission again you can just
type this out or just go to the
permissions and say add use permission
and then you know vibration or vibrate I
should say and just add that permission
to our to our manifest so our
application won't crash and that's
probably it for this tutorial I don't
know exactly how much time we've spent
but I will finish it up in the laughs in
the next tutorial because again we have
to refer to our notification manager to
handle some of the events that's going
on and all that good stuff so we'll
finish up this little activity in the
next tutorial and I'll see you guys then
hope you have a good one and catch you
later
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Oct 24, 2024 Last updated |
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