在flutter引入CupertinoAlertDialog總是報：The getter 'alertDialogLabel' was called on null
flutter使用CupertinoAlertDialog，點擊彈出按鍵時報： The getter 'alertDialogLabel' was called on null 跳入到上一層dialog.dart中的確有個label: localizations.alertDialogLabel,但是CupertinoAlertDialog沒有該屬性… 翻閱谷歌發現相同問題，簡單嘗試下，的確有效：
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相關文章
- 1. Flutter使用CupertinoAlertDialog 報 'alertDialogLabel' was called on null.
- 2. NoSuchMethodError: The getter 'inputs' was called on null.
- 3. flutter報錯：NoSuchMethodError: The method '>' was called on null.
- 4. java.lang.RuntimeException: java.lang.Throwable: A WebView method was called on thread 'JavaBridge'.
- 5. A WebView method was called on thread 'JavaBridge'. All WebView methods must be called
- 6. 三、Flutter Widget(IOS Style) - CupertinoAlertDialog;
- 7. 倒入項目報錯：HttpServlet was not found on the Java Build Path
- 8. Invalid CSRF Token 'null' was found on the request parameter '_csrf' or header 'X-CSRF-TOKEN'
- 9. HttpServlet was not found on the Java
- 10. DynamicWebProject報錯The superclass"javax.servlet.http.HttpServlet"was not found on the Java BuildPath