问如何用shared_preferences库实现Flutter Riverpod FutureProvider？EN如果你的IdentityNotifier依赖于未来，它...
发现有两个词引起了注意String Resources，才知道TextView在内部实现时设置的类型为String，所以用String.v...
Flutter：如何在多页中使用Riverpod与SharedPreference和List < String>Variable？我推荐的方法是创建一个...
Date type objects in UserDefaults may be converted into timestamps and returned as numbers to Flutter. But they could also be returned asDateTimeobjects, which seems like much more client-friendly API. Not only is it more generally useful that way, but it's not clear to me how, if an ...
I checked this issue on my deviceiPhone 7, iOS 15.8but the crash didn't occur (using your sample project and also my test project). I'm on the latest Flutter stable channel 3.19.6. Could you share the entire output offlutter run -v?
SharedPreferences preferences= context.getSharedPreferences("pref", Context.MODE_PRIVATE); checkPreferences(preferences); } privatestaticvoidcheckPreferences(SharedPreferences thePreferences) { finaldoubleoldVersion= thePreferences.getInt(KEY_PREFERENCES_VERSION,1);if(oldVersion <PREFERENCES_VERSION) { ...
late SharedPreferences _pref;String prefKey="value";// function to save to prefvoidsaveOnPref(...
无法在电话中看到sharedpref文件夹,也无法获得此错误:异常已经发生。_CastError (空值上使用的空校验操作符) 、、 下面是我飞溅屏幕的代码。现在,我还没有添加数据是否为空的检查,所以忽略它。我在getData中遇到的错误,它表示Exception has occurred._CastError (Null check operator used on a null value)String ...