WebMay 27, 2024 · The body might complete normally, causing 'null' to be returned, but the return type, 'Widget', is a potentially non-nullable type. Try adding either a return or a throw statement at the end. You need to first understand that the builder argument return type is (context,snapshot) => Widget which means that the builder requires a widget to ... Webbody might complete normally 在 sqflite demo lib models word.dart: adsbygoogle ... [英]Flutter error: The body might complete normally, causing 'null' to be returned Aleyna …

flutter - Cannot return Null from a non-nullable type function

WebNov 17, 2024 · Flutter The body might complete normally, causing 'null' to be returned, but the return type is a potentially non-nullable type? 0. The body might complete … fluke hermit hollow knight

flutter - Error :The body might complete normally, causing

WebNov 30, 2024 · I am returning a data from an API using flutter and I have a problem telling me that. The body might complete normally, causing 'null' to be returned, but the … WebJun 23, 2024 · The body might complete normally, causing 'null' to be returned, but the return type is a potentially non-nullable type. Try adding either a return or a throw … WebThe body might complete normally, causing ‘null’ to be returned, but the return type, ‘{0}’, is a potentially non-nullable type. Description The analyzer produces this diagnostic when a method or function has a return type that’s potentially non-nullable but would implicitly return null if control reached the end of the function. green feather background