It first appears as an icon in the notification area when you tell the system to issue a notification. The user opens the notification drawer to see the details of the notification. Both the notification area while the notification cabinet are system-controlled areas that an individual can see at any time.
Android Toast course offers a way that is handy show users alerts but problem is that these alerts aren’t persistent which means alert flashes in the display screen for a few moments after which disappears.
To begin to see the details of the notification, you’re going to have to ch se the symbol which will show notification cabinet detail that is having the notification. While working together with emulator with virtual device, you’ll have to click and drag the status bar down to grow it that may give you detail as follows. This is simply 64 dp high and called view that is normal.
Above expanded type can have a Big View which will have detail that is additional the notification. You can include upto six additional lines in the notification. The following screen shot shows notification that is such.
Create and Forward Notifications
You have easy option to produce a notification. Proceed with the following actions in the application to make a notification в€’
Move 1 – Generate Notification Builder
As being a first faltering step is to create a notification builder making use of NotificationCompat.Builder.build(). You will utilize Notification Builder setting different Notification properties like its tiny and big icons, title, priority etc.
Step 2 – Setting Notification Properties
Once you’ve Builder item, it is possible to set its Notification properties Builder that is using object per your requirement. But that is mandatory to create at least в€’ that is following
A tiny icon, set by setSmallIcon()
A title, set by setContentTitle()
Detail text, set by setContentText()
You have got a g d amount of optional properties which you are able to set for your notification. For more information about them, understand reference documentation for NotificationCompat.Builder.
Step Three – Attach Actions
This is an part that is optional required if you would like connect an action because of the notification. An action enables users to go straight through the notification to a task in the job, where they can consider one or more activities or do further work.
The action is defined by way of a PendingIntent containing an Intent that begins an Activity in the job. To associate the PendingIntent by having a motion, call the appropriate method of NotificationCompat.Builder. As an example, you add the PendingIntent by calling setContentIntent() if you want to start Activity when the user clicks the notification text in the notification drawer,.
A object that is pendingIntent you to perform an action on your applications behalf, usually at another time, without caring of whether or not the application is operating.
We simply take assistance of stack builder item that may include a back that is artificial for the started Activity. This helps to ensure that navigating backward from the task leads from your application to Artist dating service your true home display.
Step 4 – Issue the notification
Finally, you pass the Notification object to the system by calling NotificationManager.notify() to deliver your notification. Be sure you call NotificationCompat.Builder.build() technique on builder item before notifying it. This process combines all of the options which have been set and get back a notification object that is new.
The NotificationCompat.Builder Class
The NotificationCompat.Builder class allows easier control of all the flags, as well as help constructing the notification that is typical. Following are few essential and most frequently used methods available as being a right part of NotificationCompat.Builder class.