Notifications provide timely, relevant updates from your app to the user that appear in places such as the status bar, notification drawer, and the lock screen. They inform users about relevant messages, updates, or events within your app — particularly while your app isn't running in the foreground.
Android proposes several types of notifications to inform the user: notifications in the system bar. sound notifications. notifications by vibration.
Open your phone's Settings app. Notifications. Under "Lock screen," tap Notifications on lock screen or On lock screen. Choose Show alerting and silent notifications.
And then tap on the search or magnification icon. And then type in the word notification. Once youMoreAnd then tap on the search or magnification icon. And then type in the word notification. Once you start doing that you'll see notification history go ahead and tap on that then tap on it again.
Starting a service You can start a service from an activity or other application component by passing an Intent to startService() or startForegroundService() . The Android system calls the service's onStartCommand() method and passes it the Intent , which specifies which service to start.
A notification is a message that Android displays outside your app's UI to provide the user with reminders, communication from other people, or other timely information from your app. Users can tap the notification to open your app or take an action directly from the notification.
Notifications could be of various formats and designs depending upon the developer. In General, one must have witnessed these four types of notifications: Status Bar Notification (appears in the same layout as the current time, and battery percentage) Notification drawer Notification (appears in the drop-down menu)
The most obvious difference between notifications is the medium they are sent by. Based on the channel, they can be divided into three main categories: in-app messages, push notifications, and email notifications.
For more details about each part of a notification, read about notification anatomy. Declare the runtime permission. Set the notification content. Create a channel and set the importance. Set the notification's tap action. Show the notification. Add the reply button. Retrieve user input from the reply.