How to Use Deprecated Handler() in Android - RRutors Guide

'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)

 

 

How to check Android version?

What happens next when the device switches between portrait and landscape?

FCM Not Receiving Notifications in Android - RRutors

How to stop EditText  focus at Activity startup in Android?

Check List for Generate Signed APK Android

What is ANR? How to avoid and resolve it?

How to validate email address in Android with Kotlin?

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

How to start a new activity on button click

How to Get bitmap from drawable: Android

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

How to get complete address from latitude and longitude?

Hide/Disable soft keyboard on Activity launch: Android

How to save activity State in Android?

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

How to convert milli seconds to hours, minutes and seconds in Android? 

What are the notifications available in android?

Fix Behavior Subclass BottomSheetBehavior Exception - RRutors

Fix Android Emulator Kill Error When Running Your App

How to Generate signed apk with android studio

Add Jar/Library Files as Dependency in Android Studio

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

How to find Android Device UDID or unique ID?

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

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

Decompile APK Files: How to Get Source Code - RRutors Guide

What are Android Versions available?

How to reduce APK package size?

What is Context?

FragmentPagerAdapter deprecated, Since API 27.1.0 FragmentPagerAdapter is deprecated.

Open PDF in Google Drive with Intent in Android - RRutors

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

How to get an image resource by it's name in android?

How to convert DP to Pixel and Pixel to Dp?

Fix Duplicate Files in APK Build.gradle Issue - RRutors

What is Android Fragments?

Key Points to remember while develop the Android Application.  

How to install/ uninstall apk by command line ADB

What is NetworkOnMainThread Exception?

How to copy database from assets folder in android using kotlin

Projects By category