Notes

// Notification
class NotificationActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_notification)

makeMyNotification()

}


fun makeMyNotification() {

createNotificationChannel()

// Create an explicit intent for an Activity in your app
val intent = Intent(this, LayoutsActivity::class.java).apply {
flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
}
val pendingIntent: PendingIntent = PendingIntent.getActivity(this, 0, intent, 0)

var builder = NotificationCompat.Builder(this, CHANNEL_ID)
.setSmallIcon(R.drawable.ic_launcher_foreground)
.setContentTitle("My notification")
.setContentText("Much longer text that cannot fit one line...")
.setStyle(
NotificationCompat.BigTextStyle()
.bigText("Much longer text that cannot fit one line...")
)
.setPriority(NotificationCompat.PRIORITY_DEFAULT)
.setContentIntent(pendingIntent)
.setAutoCancel(true)

with(NotificationManagerCompat.from(this)) {
// notificationId is a unique int for each notification that you must define
notify(notificationId, builder.build())
}

}

private fun createNotificationChannel() {
// Create the NotificationChannel, but only on API 26+ because
// the NotificationChannel class is new and not in the support library
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val name = channel_name
val descriptionText = channel_description
val importance = NotificationManager.IMPORTANCE_DEFAULT
val channel = NotificationChannel(CHANNEL_ID, name, importance).apply {
description = descriptionText
}
// Register the channel with the system
val notificationManager: NotificationManager =
getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
notificationManager.createNotificationChannel(channel)
}
}


companion object {
const val CHANNEL_ID = "1211d0"
const val channel_name = "my channel name"
const val channel_description = "my channel description"
const val notificationId = 12321
}

}