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   Unhandled Exception: FormatException: Invalid radix-10 number (at character 1) E/flutter (23894): null this Errro showing beacuse you not parsing  json parsing. for json Parsing: - dart variable like char, double or int another json parsing like below showing here Ex: - int.parse(json['demo'].toString); just like parse the in the model class in flutter  Solution:   if (json[ 'minimum_order_qty' ] != null ) {       _minimumOrderQty = int.parse(json[ 'minimum_order_qty' ].toString());     }

https://amreshtechknowledge.blogspot.com/2022/10/a-problem-occurred-evaluating-root.html  fist go to your Android inside then go build.gradle   showing  subprojects {     project.evaluationDependsOn( ':app' ) } //comment this line                                                                                                                                                        

#flutter #Build file 'D:\demo\android\build.gradle' line: 30 how to solve the error in flutter * What went wrong: A problem occurred evaluating root project 'android'. > A problem occurred configuring project ':app'.    > Could not open proj generic class cache for build file 'D:\demo\android\app\build.gradle' (C:\Users\User\.gradle\caches\7.4\scripts\2km7019czj57pdwhwiktpxuex).               > BUG! exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 63 * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. * Get more help at https://help.gradle.org Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0. You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your ow...

  हेलो दोस्तों सवागत आप सभी का मेरे ब्लॉगर वेबसाइट में  प्यारे दोस्तों एवं साथियो इस ब्लॉगर वेबसाइट का का सिर्फ यही पर्पस है  टेक्निकल नॉलेज शेयर करना चाहता हु 

Chapter 1. Introduction to Software Quality Que : Multiple Choice Question. 1.The term middleware is sometimes referred to an interface between_____. a. different kinds of hardware.                                                                                                                              b .system software & application software                                                                     ...

If you have created the model classs In  flutter will be check the parse the model where showing the error 

   Java Program to Print an Integer (Entered by the User) import java.util.Scanner; class Int{ public static void main(String args[]) { int num;   System.out.println("Enter value is:");    Scanner obj=new Scanner(System.in); num=obj.nextInt(); System.out.println("Eneterd value is:"+num);     } }