Notifications in Android with Example - Software Development PDF Download

Notifications in Android with Example

Notification is a message, alert, or status of an application visible in Android's UI elements. It notifies the user about a process initiated in the application. Notifications serve as a crucial tool for developers to engage users and provide essential information.

• Status Bar Notification: Appears in the same layout as the current time, battery percentage.
• Notification Drawer Notification: Appears in the drop-down menu.
• Heads-Up Notification: Appears on the overlay screen, e.g., WhatsApp notifications, OTP messages.
• Lock-Screen Notification: Displays on the lock screen.

This article focuses on creating notifications in Kotlin.

Step by Step Implementation

Step 1: Create a New Project

To create a new project in Android Studio, ensure you select Kotlin as the programming language.

Step 2: Working with the activity_main.xml file

Open the activity_main.xml file and refer to the provided code. Design the layout page using RelativeLayout to access the ScrollView from the Kotlin file.

• XML

Creating Notification Channels in Android Studio

Notification channels are essential for applications with Android API version 26 and above.

• Notification Channel Configuration:
• Applications with Android API version 26 and above require notification channels.
• Notification Channel Behavior:
• Each channel has specific behavior applicable to all notifications within it.
• Channel ID:
• Acts as a unique identifier for a particular channel.

Notification Builder in Android Studio

The notification builder is crucial for generating notifications in Android Studio.

• Functionality of Notification Builder:
• Provides a convenient way to set various fields of a notification.
• Content Views:
• Generates content views using the platform's notification layout template.
• Notification Channel Targeting:
• Notification builder does not target a specific notification channel.

It is crucial to understand the differences and requirements between notification channels and the notification builder in Android Studio to effectively implement notifications in your applications.

Creating a New Activity in Android Studio

Follow these steps to create a new activity in Android Studio:

• Step 1: Open Android Studio and create a new empty activity.
• Step 2: Name the activity as "afterNotification".
• Step 3: Customize the layout of the new activity.

Key Concepts in Android Development

• Dependency Implementation

  It's often suggested to implement the dependency "com.android.support:support-compat:28.0.0" in Android development. However, in practice, it might not always be necessary for the smooth functioning of your application.

• Working with MainActivity.kt File

  When working with the MainActivity.kt file in Android development, it is crucial to understand the code structure and various components involved.

  • Notification Management

    Notifications play a vital role in keeping the user informed about events in the background. It involves creating notifications and handling user interactions.

  • Notification Customization

    Customizing notifications allows developers to tailor the content, icons, and behavior of notifications according to the app's requirements.

• Creating Notifications

  Creating notifications in an Android application involves setting up channels, defining notification content, and handling user interactions effectively.

Output:

• Video Player
• 00:00
• 00:14
• Use Up/Down Arrow keys to increase or decrease volume.

Please Login to comment...

• Login
• Like