What is null safety in Flutter However, we cannot supply a Null value where the "type" String is necessary. Null Safety helps us avoid an entire class of bugs in our Flutter apps by catching null errors during development rather than at runtime. flutter: enable contructor-tearoffs not working, Flutter mobx mobx_codegen generates null safety code for computed getters. Flutter's null safety is bundled together with sound null safety to ensure that the Dart analyzer provides helpful warnings and tips. In the example below, the