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[Solved] Null check operator used on a null value

Hello Guys How are you all? Hope You all are fine. When I was trying to run my flutter app and suddenly I get the following error in my stack track. Null check operator used on a null value in flutter. So today Here I come with all possible solutions for this error.

We are providing you all possible solutions to solve this error. let’s start this article without wasting your time.

How Null check operator used on a null value Error Occurs?

I Am running my simple flutter app on my device. And I got this error when I run my simple flutter APP. I could not figure out why this error occurred.

════════ Exception caught by widgets library ═══════════════════════════════════════════════════════
Null check operator used on a null value
Login file:///home/ssc/new_flutter_app/lib/main.dart:8:15
════════════════════════════════════════════════════════════════════════════════════════════════════
V/InputMethodManager(29495): Starting input: [email protected] nm : com.sivaram.login_template ic=null
D/InputMethodManager(29495): startInputInner - Id : 0
I/InputMethodManager(29495): startInputInner - mService.startInputOrWindowGainedFocus
D/InputTransport(29495): Input channel constructed: fd=87
D/InputTransport(29495): Input channel destroyed: fd=96

How to Solve Null check operator used on a null value Error?

  1. How to Solve Null check operator used on a null value Error?

    To resolve Null check operator used on a null value issue just use the below all command. This is the flutter channel's Issue. Actually, you have to use flutter channel stable. Open your terminal and run flutter channel stable. Then run flutter upgrade. After that run, flutter pub cache repair to reinstall the packages in your system cache. Then Just clean the build folder using flutter clean.

  2. Null check operator used on a null value

    To resolve Null check operator used on a null value issue just use the below all command. This is the flutter channel's Issue. Actually, you have to use flutter channel stable. Open your terminal and run flutter channel stable. Then run flutter upgrade. After that run, flutter pub cache repair to reinstall the packages in your system cache. Then Just clean the build folder using flutter clean.

Solution 1

This is the flutter channel’s Issue. Actually, you have to use flutter channel stable. just use the below all command to resolve this error.

  1. Open your terminal and run flutter channel stable.
  2. Then run flutter upgrade.
  3. After that run, flutter pub cache repair to reinstall the packages in your system cache.
  4. Then Just clean the build folder using flutter clean.

Solution 2

This issue related to the null safety that is getting integrated in dartlang. For now you can switch channels and use the stable channel.

flutter channel stable
flutter upgrade
flutter pub cache repair
flutter clean
flutter run

Summery

So, It’s All About this Error. I hope this tutorial helps you to solve your errort. Please Comment Below if You stucks anywhere with my code.

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