我最近在macOS中安装并设置了flutter。我在Visual Studio代码中安装了所有flutter sdk和插件。但是我在测试应用程序时遇到错误。我已经打开了ios模拟器，然后尝试通过Flutter run运行应用程序。但是它总是失败，并向我显示以下错误。我已经尝试过Flutter清洁和Flutter Pub了很多次。仍然没有解决方案。
我在终端中得到的日志输出和错误：
Launching lib/main.dart on iPhone X in debug mode...
Running pod install... 21.6s
Running Xcode build...
├─Assembling Flutter resources... 24.1s
└─Compiling, linking and signing... 15.9s
Xcode build done. 140.9s
Failed to build iOS app
Error output from Xcode build:
↳
2020-05-08 18:48 xcodebuild[2061] (FSEvents.framework) fsevent_realpath:
err(2): [No such file or directory]
** BUILD FAILED **
Xcode's output:
↳
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:22:27:
warning: expression implicitly coerced from 'String?' to 'Any'
print((result as! FlutterError).message)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:22:53:
note: provide a default value to avoid this warning
print((result as! FlutterError).message)
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
?? <#default
value#>
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:22:53:
note: force-unwrap the value to avoid this warning
print((result as! FlutterError).message)
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
!
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:22:53:
note: explicitly cast to 'Any' with 'as Any' to silence this warning
print((result as! FlutterError).message)
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
as Any
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:96:
warning: treating a forced downcast to 'String' as optional will never
produce 'nil'
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:98:
note: use 'as?' to perform a conditional downcast to 'String'
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
?
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:75:
note: add parentheses around the cast to silence this warning
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
(
)
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:178:
warning: treating a forced downcast to 'String' as optional will never
produce 'nil'
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:180:
note: use 'as?' to perform a conditional downcast to 'String'
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
?
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/CustomeSchemeHandler.swift:29:153:
note: add parentheses around the cast to silence this warning
let urlResponse = URLResponse(url: url, mimeType:
json["content-type"] as! String,
expectedContentLength: -1, textEncodingName:
json["content-encoding"] as! String)
^
(
)
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:31:17:
warning: result of call to 'parse(options:)' is unused
options.parse(options: initialOptions)
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:87:46:
warning: conditional downcast from 'String?' to 'String' does nothing
let data = (initialData!["data"] as? String)!
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:88:54:
warning: conditional downcast from 'String?' to 'String' does nothing
let mimeType = (initialData!["mimeType"] as? String)!
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:89:54:
warning: conditional downcast from 'String?' to 'String' does nothing
let encoding = (initialData!["encoding"] as? String)!
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:90:52:
warning: conditional downcast from 'String?' to 'String' does nothing
let baseUrl = (initialData!["baseUrl"] as? String)!
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/FlutterWebViewController.swift:252:41
: warning: result of call to 'parse(options:)' is unused
inAppWebViewOptions.parse(options:
inAppWebViewOptionsMap)
^
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:2
06:80: warning: coercion of implicitly unwrappable value of type 'UIView?'
to 'Any' does not unwrap optional
containerWebView_BottomFullScreenConstraint =
NSLayoutConstraint(item: self.containerWebView, attribute:
NSLayoutConstraint.Attribute.bottom, relatedBy:
NSLayoutConstraint.Relation.equal, toItem: self.view, attribute:
NSLayoutConstraint.Attribute.bottom, multiplier: 1, constant: 0)
^~~~~~~~~~
~~~~~~~~~~
~
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:7
5:19: note: implicitly unwrapped property 'containerWebView' declared here
@IBOutlet var containerWebView: UIView!
^
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:2
06:85: note: provide a default value to avoid this warning
containerWebView_BottomFullScreenConstraint =
NSLayoutConstraint(item: self.containerWebView, attribute:
NSLayoutConstraint.Attribute.bottom, relatedBy:
NSLayoutConstraint.Relation.equal, toItem: self.view, attribute:
NSLayoutConstraint.Attribute.bottom, multiplier: 1, constant: 0)
~~~~~^~~~~
~~~~~~~~~~
~
??
<#default
value#>
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:2
06:85: note: force-unwrap the value to avoid this warning
containerWebView_BottomFullScreenConstraint =
NSLayoutConstraint(item: self.containerWebView, attribute:
NSLayoutConstraint.Attribute.bottom, relatedBy:
NSLayoutConstraint.Relation.equal, toItem: self.view, attribute:
NSLayoutConstraint.Attribute.bottom, multiplier: 1, constant: 0)
~~~~~^~~~~
~~~~~~~~~~
~
!
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:2
06:85: note: explicitly cast to 'Any' with 'as Any' to silence this warning
containerWebView_BottomFullScreenConstraint =
NSLayoutConstraint(item: self.containerWebView, attribute:
NSLayoutConstraint.Attribute.bottom, relatedBy:
NSLayoutConstraint.Relation.equal, toItem: self.view, attribute:
NSLayoutConstraint.Attribute.bottom, multiplier: 1, constant: 0)
~~~~~^~~~~
~~~~~~~~~~
~
as Any
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
flutter_inappbrowser-2.0.2/ios/Classes/InAppBrowserWebViewController.swift:2
07:77: warning: coercion of implicitly unwrappable value of type 'UIView?'
to 'Any' does not unwrap optional
containerWebView_TopFullScreenConstraint = NSLayoutConstraint(item:
self.containerWebView, attribute: NSLayoutConstraint.Attribute.top,
relatedBy: NSLayoutConstraint.Relation.equal, toItem: self.view,
attribute: NSLayoutConstraint.Attribute.top, multiplier: 1,
constant: 0)
^~~~~~~~~~
~~~~~~~~~~
^
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
firebase_messaging-6.0.13/ios/Classes/FLTFirebaseMessagingPlugin.m:307:1:
warning: implementing deprecated method [-Wdeprecated-implementations]
- (void)messaging:(FIRMessaging *)messaging
^
In module 'FirebaseMessaging' imported from
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/ios/Pods/Headers/Public/Firebase/Firebase.h:72:
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/ios/Pods/FirebaseMessaging/FirebaseMessaging/Sources/Public/FIRMessaging
.h:253:1: note: method 'messaging:didReceiveMessage:' declared here
- (void)messaging:(FIRMessaging *)messaging
^
/Users/dhruv/Documents/fluterSDK/flutter/.pub-cache/hosted/pub.dartlang.org/
firebase_messaging-6.0.13/ios/Classes/FLTFirebaseMessagingPlugin.m:309:63:
warning: 'appData' is deprecated [-Wdeprecated-declarations]
[_channel invokeMethod:@"onMessage" arguments:remoteMessage.appData];
^
In module 'FirebaseMessaging' imported from
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/ios/Pods/Headers/Public/Firebase/Firebase.h:72:
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/ios/Pods/FirebaseMessaging/FirebaseMessaging/Sources/Public/FIRMessaging
.h:226:62: note: 'appData' has been explicitly marked deprecated here
@property(nonatomic, readonly, strong) NSDictionary *appData
DEPRECATED_ATTRIBUTE;
^
In module 'UIKit' imported from /Users/dhruv/Documents/Restaurant
Flutter/Multi Restaurants Flutter App/ios/Pods/Target Support
Files/firebase_messaging/firebase_messaging-prefix.pch:2:
In module 'Foundation' imported from
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platfor
m/Developer/SDKs/iPhoneSimulator13.0.sdk/System/Library/Frameworks/UIKit.fra
mework/Headers/UIKit.h:8:
In module 'CoreFoundation' imported from
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platfor
m/Developer/SDKs/iPhoneSimulator13.0.sdk/System/Library/Frameworks/Foundatio
n.framework/Headers/Foundation.h:6:
In module 'Darwin' imported from
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platfor
m/Developer/SDKs/iPhoneSimulator13.0.sdk/System/Library/Frameworks/CoreFound
ation.framework/Headers/CoreFoundation.h:16:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platfor
m/Developer/SDKs/iPhoneSimulator13.0.sdk/usr/include/AvailabilityMacros.h:17
9:60: note: expanded from macro 'DEPRECATED_ATTRIBUTE'
#define DEPRECATED_ATTRIBUTE __attribute__((deprecated))
^
6 warnings generated.
2020-05-08 18:50:37.585 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@
1x.png
2020-05-08 18:50:37.639 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.p
ng
2020-05-08 18:50:37.640 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.p
ng
2020-05-08 18:50:37.641 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.p
ng
2020-05-08 18:50:37.642 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.p
ng
2020-05-08 18:50:37.643 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.p
ng
2020-05-08 18:50:37.644 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.p
ng
2020-05-08 18:50:37.645 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
get image dimensions for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.p
ng
2020-05-08 18:50:37.646 IBCocoaTouchImageCatalogTool[3010:38366] Unable to
2020-05-08 18:50:37.671 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
2020-05-08 18:50:37.672 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.pn
g
2020-05-08 18:50:37.673 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
2020-05-08 18:50:37.674 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.pn
g
2020-05-08 18:50:37.674 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.p
ng
2020-05-08 18:50:37.675 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.p
ng
2020-05-08 18:50:37.675 IBCocoaTouchImageCatalogTool[3010:38366]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.p
ng
2020-05-08 18:50:37.734 IBCocoaTouchImageCatalogTool[3010:38424]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.pn
g
2020-05-08 18:50:37.734 IBCocoaTouchImageCatalogTool[3010:38431]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.pn
g
2020-05-08 18:50:37.734 IBCocoaTouchImageCatalogTool[3010:38391]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.pn
g
2020-05-08 18:50:37.734 IBCocoaTouchImageCatalogTool[3010:38432]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
2020-05-08 18:50:37.735 IBCocoaTouchImageCatalogTool[3010:38431]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.pn
g
2020-05-08 18:50:37.735 IBCocoaTouchImageCatalogTool[3010:38430]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@
2x.png
2020-05-08 18:50:37.735 IBCocoaTouchImageCatalogTool[3010:38391]
CoreThemeDefinition: Unable to create image for
file:///Users/dhruv/Documents/Restaurant%20Flutter/Multi%20Restaurants%20Flu
tter%20App/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.p
ng
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon60x60@3x.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon20x20~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon20x20@2x~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon29x29~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon29x29@2x~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon40x40~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon40x40@2x~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon76x76~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon76x76@2x~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/AppIcon83.5x83.5@2x~ipad.png
/Users/dhruv/Documents/Restaurant Flutter/Multi Restaurants Flutter
App/build/ios/Debug-iphonesimulator/Runner.app/Assets.car
/Users/dhruv/Library/Developer/Xcode/DerivedData/Runner-guevtsknxqctmjaoseca
mjyoltwv/Build/Intermediates.noindex/Runner.build/Debug-iphonesimulator/Runn
er.build/assetcatalog_generated_info.plist
note: Using new build systemnote: Planning buildnote: Constructing build
descriptionwarning: Capabilities for Signing & Capabilities may not function
correctly because its entitlements use a placeholder team ID. To resolve
this, select a development team in the Runner editor. (in target 'Runner'
from project 'Runner')warning: The use of Swift 3 @objc inference in Swift 4
mode is deprecated. Please address deprecated @objc inference warnings, test
your code with “Use of deprecated Swift 3 @objc inference” logging enabled,
and then disable inference by changing the "Swift 3 @objc Inference" build
setting to "Default" for the "Runner" target. (in target 'Runner' from
project 'Runner')
Could not build the application for the simulator.
Error launching application on iPhone X.
我对Flutter完全陌生，对Flutter应用程序了解甚少。必须删除一些无用的日志，因为它只允许输入30000个单词。
答案 0 :(得分：0)
尝试将您的 macos 更新到稳定版本。我认为测试版有这个错误。更新对我有用。