How to Use Deprecated Handler() in Android

'constructor Handler()' is deprecated, when i target Android version 30, it return this deprecated wraning for Handler()

To resolve this first we need to know What is Handler

A Handler allows you to send and process Message and Runnable objects associated with a thread's MessageQueue

Handle will be use in two ways in Android application

Schedule and execute a messages at future at some point
Enqueue action ue an action to be performed on a different thread

Handler() introduced in Android 1 and usage of default constructor was deprected in Andorid 30.

To work with handler in Android 30 we need to pass Looper object inside contructor

Handler(Looper.getMainLooper()).postDelayed({
    // Your Code
}, 3000)

Add Jar/Library Files as Dependency in Android Studio

How to avoid multiple button click at same time in android?

What is Android Fragments?

How to get screen size (width,height) in Android?

Explain Fragment Life Cycle

What is Intent? What is the difference between an implicit intent and an explicit intent?

How to get a contact image using a phone number in android?

How to validate email address in Android with Kotlin?

How to Get bitmap from drawable: Android

What is "shared preferences" in Android ?

Fix Error: Use JsonReader.setLenient(true) for Malformed JSON

Extract Date and Time from Long Type Variable - RRutors

What is ANR? How to avoid and resolve it?

How do i load image from drawable folder in Jetpack Compose?

Permission denied for window type 2010 in Marshmallow device

How to find Android Device UDID or unique ID?

Emulator: emulator: ERROR: Can't find 'Linux version ' string in kernel image file: Andr

How to Exit android app on back pressed?

How To Set Text Color Programmatically Android TextView?

Fix Android Emulator Kill Error When Running Your App

How to get complete address from latitude and longitude?

ERR_ACCESS_DENIED in Android Webview with sdk 30

How do I check in SQLite whether a table exists?

How to reduce APK package size?

Set Activity to Fullscreen Mode in Android - RRutors

What is Application?

Hide/Disable soft keyboard on Activity launch: Android

How do I generate random numbers in Dart?

How to check Android version?

Symmetric vs Asymmetric Encryption in Android Server - RRutors

Fix Duplicate Files in APK Build.gradle Issue - RRutors

How to install/ uninstall apk by command line ADB

Check List for Generate Signed APK Android

How to save activity State in Android?

INSTALL_FAILED_INVALID_APK: Split lib_slice_9_apk was defined multiple times. It is possible that th