Flutter - NoSuchMethodError- Solution

NoSuchMethodError: This error occurs when a method or function that does not exist is called. The most common cause of this error is a typographical error or a misspelled method name. To resolve this error, check that the method or function name is spelled correctly and that it exists in the current scope.

Example -

NoSuchMethodError: This error occurs when a method or function that does not exist is called.

Example:  

void main() {

  printMessage();

}

void printMessage() {

  print('Hello, World!');

}

Solution: Check that the method or function name is spelled correctly and that it exists in the current scope.