Question

我的flutter应用程序在android模拟器上运行良好，由于我在Windows上，因此我正在使用codemagic.io构建ios版本。

但是，当尝试构建ios应用时，该网站显示以下错误，我认为这与sqflite有关。

据我了解，我必须更改最低目标ios版本，但实际上我不知道该怎么做。任何帮助将不胜感激。

Xcode的输出：

↳
    /Users/builder/clone/ios/Pods/FMDB/src/fmdb/FMDatabaseQueue.m:101:9: warning: 'dispatch_queue_set_specific' **is only available on iOS 5.0 or newer** [-Wunguarded-availability]
            dispatch_queue_set_specific(_queue, kDispatchQueueSpecificKey, (__bridge void *)self, NULL);
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    In module 'Foundation' imported from /Users/builder/clone/ios/Pods/FMDB/src/fmdb/FMDatabaseQueue.h:9:
    In module 'CoreFoundation' imported from /Applications/Xcode-11.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h:6:
    In module 'Dispatch' imported from /Applications/Xcode-11.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.4.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CFStream.h:20:
    /Applications/Xcode-11.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.4.sdk/usr/include/dispatch/queue.h:1498:1: **note: 'dispatch_queue_set_specific' has been marked as being introduced in iOS 5.0 here, but the deployment target is iOS 4.3.0**
    dispatch_queue_set_specific(dispatch_queue_t queue, const void *key,
    ^
    /Users/builder/clone/ios/Pods/FMDB/src/fmdb/FMDatabaseQueue.m:101:9: note: enclose 'dispatch_queue_set_specific' in an @available check to silence this warning
            dispatch_queue_set_specific(_queue, kDispatchQueueSpecificKey, (__bridge void *)self, NULL);
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    /Users/builder/clone/ios/Pods/FMDB/src/fmdb/FMDatabaseQueue.m:184:54: warning: 'dispatch_get_specific' **is only available on iOS 5.0 or newer** [-Wunguarded-availability]
        FMDatabaseQueue *currentSyncQueue = (__bridge id)dispatch_get_specific(kDispatchQueueSpecificKey);

Answer 1

我重新安装了flutter，就解决了问题

使用codemagic.io构建Flutter sqflite ios应用

1 个答案: