Flutter: 'package:shared_preferences/shared_preferences.dart': Failed assertion: line 33 pos 16: 'key.startsWith(_prefix)': is not true
I think
if (methodCall.method == 'getAll') { return <String, dynamic> { 'test-string' : 'string-value', 'test-int' : 420, 'test-bool' : true }; // set initial values here if desiredneeds to be
if (methodCall.method == 'getAll') { return <String, dynamic> { 'flutter.test-string' : 'string-value', 'flutter.test-int' : 420, 'flutter.test-bool' : true }; // set initial values here if desired