【发布时间】：2021-09-21 11:19:39
【问题描述】：
我正在处理一个应用程序。在此之前我使用的是另一个版本的 XCode， （我不记得是哪一个了）但最后 iOs 模拟器不起作用，我不得不更改为 xCode 12.5.1 的新版本。我的代码使用的是 Flutter 1.22。但是当我尝试启动我的 Xcode 构建时，我遇到了这种类型的错误。
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/UIView+Toast.h:343:9: note: did you mean 'tapToDismissEnabled'?
@param allowTapToDismiss
^~~~~~~~~~~~~~~~~
tapToDismissEnabled
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/UIView+Toast.h:362:20: warning: empty paragraph passed to '@param' command [-Wdocumentation]
@param queueEnabled
~~~~~~~~~~~~~~~~~~^
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/FluttertoastPlugin.m:19:23: warning: unused variable 'viewController' [-Wunused-variable]
UIViewController *viewController =
^
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/FluttertoastPlugin.m:70:21: warning: unused variable 'topPadding' [-Wunused-variable]
CGFloat topPadding = window.safeAreaInsets.top;
^
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/FluttertoastPlugin.m:71:21: warning: unused variable 'bottomPadding' [-Wunused-variable]
CGFloat bottomPadding = window.safeAreaInsets.bottom;
^
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/fluttertoast-4.0.1/ios/Classes/FluttertoastPlugin.m:48:19: warning: unused variable 'size' [-Wunused-variable]
NSNumber *size = call.arguments[@"size"];
^
8 warnings generated.
/Users/macbookair/Desktop/Keatov /App/app/ios/Pods/Reachability/Reachability.m:465:63: warning: cast to smaller integer type 'unsigned int' from 'Reachability *' [-Wpointer-to-int-cast]
NSStringFromClass([self class]), (unsigned int) self, [self currentReachabilityFlags]];
^~~~~~~~~~~~~~~~~~~
1 warning generated.
/Users/macbookair/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_device_locale-0.4.0/ios/Classes/FlutterDeviceLocalePlugin.m:2:9: fatal error: 'flutter_device_locale/flutter_device_locale-Swift.h' file not found
#import <flutter_device_locale/flutter_device_locale-Swift.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Analyzing workspace
note: Constructing build description
note: Build preparation complete
无法为模拟器构建应用程序。 在 iPhone 12 Pro Max 上启动应用程序时出错。 退出（sigterm）
【问题讨论】：