我已经查阅了以下内容：
启动构建iOS Flutter时崩溃 iOS应用程序启动时崩溃但是没有一个能够解决我的问题。
这是我的Flutter Doctor -v：
Flutter 0.11.12 • channel dev • https://github.com/flutter/flutter.git
Framework • revision 06ec8d3b41 (34 hours ago) • 2018-11-29 19:20:18 -0500
Engine • revision 7375a0f414
Tools • Dart 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
Running "flutter packages upgrade" in renalbase... 22.1s
Running flutter doctor...
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel dev, v0.11.13, on Mac OS X 10.14.1 18B75, locale en-SG)
[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
[✓] Android Studio
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] Android Studio (version 2.3)
✗ Flutter plugin version 12.1 - the recommended minimum version is 16.0.0
[✓] VS Code (version 1.29.1)
[✓] Connected device (2 available)
• No issues found!
我能够构建项目但在IOS应用启动的时刻它会崩溃，无论是在模拟器还是实际设备上。而在Android上却没有问题。
下面是调试控制台输出：
Launching lib/main.dart on iPhone 5s in debug mode...
Xcode build done. 38.6s
*** First throw call stack:
(
0 CoreFoundation 0x0000000113dcf1e6 __exceptionPreprocess + 294
1 libobjc.A.dylib 0x000000011346c031 objc_exception_throw + 48
2 Runner 0x0000000107b842ae +[FIRAnalytics logEventWithName:parameters:] + 0
3 libobjc.A.dylib 0x000000011346cb04 CALLING_SOME_+initialize_METHOD + 19
4 libobjc.A.dylib 0x000000011346ce9e _class_initialize + 276
5 libobjc.A.dylib 0x0000000113473824 lookUpImpOrForward + 226
6 libobjc.A.dylib 0x0000000113483414 _objc_msgSend_uncached + 68
7 Runner 0x0000000107bdc3d1 -[FIRApp configureCore] + 705
8 Runner 0x0<…>
非常感谢您的帮助！！万分感谢！
2018年12月1日更新： 运行iOS模拟器时弹出消息崩溃，是否有任何线索？
Process: Runner [33877]
Path: /Users/USER/Library/Developer/CoreSimulator/Devices/CF5D9DEE-1673-498C-B09B-308D3DAA06A2/data/Containers/Bundle/Application/A0426A01-844B-44DD-97FE-94C1048B870D/Runner.app/Runner
Identifier: Runner
Version: 0.6.71 (1)
Code Type: X86-64 (Native)
Parent Process: launchd_sim [3305]
Responsible: Runner [33877]
User ID: 501
Date/Time: 2018-11-30 18:20:17.794 +0800
OS Version: Mac OS X 10.14.1 (18B75)
Report Version: 12
Anonymous UUID: D4BCB92F-F89E-3A8B-2707-9DEEEB93E095
Time Awake Since Boot: 9500 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
*** Terminating app due to uncaught exception 'FIRAnalyticsVersionMismatch', reason: 'Google Analytics for Firebase version (50200000) does not match with Google App Measurement (50300000) version. Please update.'
terminating with uncaught exception of type NSException
abort() called
CoreSimulator 581.2 - Device: iPhone 5s - Runtime: iOS 11.3 (15E217) - DeviceType: iPhone 5s
Application Specific Backtrace 1: