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  1. DZone
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  4. Building Pop-Up Compose Notifications in Android Using Kotlin and Compose

Building Pop-Up Compose Notifications in Android Using Kotlin and Compose

In this article, we will explore how to implement pop-up Compose notifications in an Android app using Kotlin and Compose.

By 
Volha Kurcheuskaya user avatar
Volha Kurcheuskaya
·
Aug. 17, 23 · Tutorial
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Compose is a modern UI toolkit for building native Android apps with ease. Since its introduction, Compose has revolutionized the way we create user interfaces by offering a declarative and composable approach. This powerful toolkit empowers developers to design dynamic, interactive, and visually appealing UIs with less boilerplate code.

In this article, we will explore how to implement pop-up Compose notifications in an Android app using Kotlin and Compose. Pop-up notifications are a great way to deliver timely information to users and prompt them to take specific actions within the app. By leveraging Compose's capabilities, we can create attention-grabbing notifications that seamlessly blend with our app's overall design.

We will walk through the step-by-step process of creating the Composable function to display the pop-up notification, defining the notification model, and handling the pop-up notification appearance and dismissal. Additionally, we will explore different methods of triggering notifications based on user interactions or relevant app events.

The goal of this tutorial is to equip you with the knowledge and skills to implement pop-up Compose notifications effectively, enhancing your app's user experience and engagement. So, let's dive into the world of Compose and discover how to create stunning and functional pop-up notifications for your Android app!

Step 1: Set Up Your Project

Make sure you have the latest version of Android Studio with Compose support. Create a new Android project and add the necessary dependencies to your app's build.gradle file:

Groovy
 
gradle

plugins {

 id 'com.android.application' id 'kotlin-android' 

} 

android { // ... }

 dependencies {

 implementation "androidx.compose.ui:ui:$ compose_version"

implementation "androidx.compose.material: material:$compose_version"

 implementation "androidx.activity:activity- compose:1.3.0-alpha08"

}


Step 2: Create the Composable for Pop-Up Notification

Now, let's create the Composable function that will display the pop-up notification: 

Kotlin
 
@Composable

fun PopUpNotification( notification: Notification){

v ar isNotificationVisible by remember { mutableStateOf(true)

}

 if(isNotificationVisible) {

 AlertDialog( onDismissRequest = { isNotificationVisible = false}, 

title = { Text(notification.title) },

 text = { Text(notification.message) }, 

confirmButton = { Button( onClick = { // Handle notification action hereisNotificationVisible = false } ) { Text("Dismiss") } } ) } }


Step 3: Create the Notification Model 

Let's define the data class for the notification model:

data class Notification( val title: String, val message: String, val action: String )

Step 4: Add a Pop-Up Notification Handler 

Now, create a function that will handle showing the pop-up notification:

Kotlin
 
fun showNotification( notification: Notification) {

  // Assuming you have a reference to your current Composable

// If not, you can use a State variable to hold the notification model and trigger the Composable update PopUpNotification( notification = notification)

}


Step 5: Triggering the Pop-Up Notification 

Determine the appropriate scenarios to trigger the pop-up notification in your app's logic. For example, you might call the showNotification function when the user receives a new message:

Kotlin
 
// Triggering the notification when a new message is received 

val newMessage = Notification( title = "New Message", message = "You have received a new message from a friend.", action = "View" ) 

showNotification(newMessage)


Step 6: Invoke the Pop-Up Notification Composable 

When the event that triggers the notification occurs, call the PopUpNotification Composable with the relevant notification model as the parameter. This will display the pop-up notification to the user.

Step 7: Styling the Pop-Up Notification

You can customize the appearance of the pop-up notification by modifying the AlertDialog Composable in the PopUpNotification function. Update colors, typography, and add animations to match your app's design.

Conclusion

With the provided code examples and steps, you can implement pop-up Compose notifications in your Android app using Kotlin. By using Compose's declarative UI approach, you can create engaging and user-friendly notifications that enhance your app's user experience. Remember to fine-tune the design and behavior of your notifications to suit your app's requirements and delight your users. Happy coding!

Kotlin (programming language) Android OS

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