我已经更新到 FLutter 2.0.1，现在我无法运行我的应用程序。 这是我的错误：
Xcode build done. 34.4s
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
/Users/ran/Development/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/webview_flutter-1.0.7/ios/Classes/FlutterWebView.m:367:23: warning: 'mediaPlaybackRequiresUserAction' is deprecated: first deprecated in iOS 9.0 [-Wdeprecated-declarations]
configuration.mediaPlaybackRequiresUserAction = true;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mediaTypesRequiringUserActionForPlayback
In module 'WebKit' imported from /Users/ran/Development/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/webview_flutter-1.0.7/ios/Classes/FlutterWebView.h:6:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.4.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebViewConfiguration.h:211:28: note: 'mediaPlaybackRequiresUserAction' has been explicitly marked deprecated here
@property (nonatomic) BOOL mediaPlaybackRequiresUserAction API_DEPRECATED_WITH_REPLACEMENT("mediaTypesRequiringUserActionForPlayback", ios(8.0, 9.0));
^
/Users/ran/Development/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/webview_flutter-1.0.7/ios/Classes/FlutterWebView.m:374:23: warning: 'mediaPlaybackRequiresUserAction' is deprecated: first deprecated in iOS 9.0 [-Wdeprecated-declarations]
configuration.mediaPlaybackRequiresUserAction = false;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mediaTypesRequiringUserActionForPlayback
In module 'WebKit' imported from /Users/ran/Development/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/webview_flutter-1.0.7/ios/Classes/FlutterWebView.h:6:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.4.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebViewConfiguration.h:211:28: note: 'mediaPlaybackRequiresUserAction' has been explicitly marked deprecated here
@property (nonatomic) BOOL mediaPlaybackRequiresUserAction API_DEPRECATED_WITH_REPLACEMENT("mediaTypesRequiringUserActionForPlayback", ios(8.0, 9.0));
^
2 warnings generated.
../../../Development/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.19.1/lib/src/picture_provider.dart:52:59: Error: No named parameter with the name 'nullOk'.
context != null ? Localizations.localeOf(context, nullOk: true) : null,
^^^^^^
../../../Development/Flutter/flutter/packages/flutter/lib/src/widgets/localizations.dart:413:17: Context: Found this candidate, but the arguments don't match.
static Locale localeOf(BuildContext context) {
^^^^^^^^
Command PhaseScriptExecution failed with a nonzero exit code
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
warning: 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')
Could not build the application for the simulator.
Error launching application on iPhone 12 Pro Max.
颤振医生
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 2.0.1, on macOS 11.2.2 20D80 darwin-x64, locale en-US)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.1)
[✓] IntelliJ IDEA Community Edition (version 2020.2.1)
[✓] VS Code (version 1.53.1)
[✓] Connected device (2 available)
这是我的 flutter run --verbose
[ +103 ms] Could not build the application for the simulator.
[ +3 ms] Error launching application on iPhone 12 Pro Max.
[ +3 ms] "flutter run" took 39,841ms.
[ +4 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:644:9)
<asynchronous suspension>
#2 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:1157:12)
<asynchronous suspension>
#3 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1009:27)
<asynchronous suspension>
#4 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#5 AppContext.run (package:flutter_tools/src/base/context.dart:149:12)
<asynchronous suspension>
#6 CommandRunner.runCommand (package:args/command_runner.dart:197:13)
<asynchronous suspension>
#7 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:278:9)
<asynchronous suspension>
#8 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#9 AppContext.run (package:flutter_tools/src/base/context.dart:149:12)
<asynchronous suspension>
#10 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:234:5)
<asynchronous suspension>
#11 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:64:9)
<asynchronous suspension>
#12 run.<anonymous closure> (package:flutter_tools/runner.dart:62:12)
<asynchronous suspension>
#13 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#14 AppContext.run (package:flutter_tools/src/base/context.dart:149:12)
<asynchronous suspension>
#15 runInContext (package:flutter_tools/src/context_runner.dart:73:10)
<asynchronous suspension>
#16 main (package:flutter_tools/executable.dart:90:3)
<asynchronous suspension>
我尝试了一些在线解决方案，例如 flutter clean 和 flutter run，但它不起作用。 你能帮我解决这个问题吗？谢谢你，我真的很感激。