我已经在flutter和Kotlin中设置了一个基本方法通道。以下是我的示例数据: { "user_description":"Hello there, I am a UserFlutter传递到Kotlin侧: var result = await platform.invokeMethod('updateProfile', d
我试图从json中获取数据,并将其列在下拉列表中,但我使用,在空错误上调用了方法'map‘。async { .get(Uri.encodeFull(url), headers: {"Accept": "application/jsonflutter: The method 'map' was called on <em