eidanlin
commented
5 years ago 你好，这是我们定位SDK的问题，只是一个警告，不是线程安全问题，不影响正常使用。 我们在定位SDK内部创建了一个子线程来初始化系统定位管理类 CLLocationManager，而 CLLocationManager 内部会调用 [UIApplication applicationState]（涉及到UI操作），所以系统要求放在主线程，所以会报警告。目前去除警告的方式，可以在 Diagnostics 中将 不要选择 Main Thread Checker ，我们后续会解决该问题。
2019-04-28 16:19:54.050911+0800 xxx[3270:759735] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] PID: 3270, TID: 759735, Thread name: com.autonavi.AMapLocationThread, Queue name: com.apple.root.default-qos.overcommit, QoS: 0 Backtrace: 4 libobjc.A.dylib 0x00000001c32976f4 + 56
5 CoreLocation 0x00000001caea77b8 CLClientStopVehicleHeadingUpdates + 133972
6 CoreLocation 0x00000001cae80b1c CoreLocation + 6940
7 CoreLocation 0x00000001cae811d4 CLClientCreateWithBundleIdentifierAndPathOnRunLoop + 136
8 CoreLocation 0x00000001cae810d8 CLClientCreateWithBundleIdentifierAndPath + 300
9 CoreLocation 0x00000001cae8c080 CLClientStopVehicleHeadingUpdates + 21532
10 CoreLocation 0x00000001cae8c864 CLClientStopVehicleHeadingUpdates + 23552
11 xxx 0x0000000101a115a8 -[AMapLocationManager initCLManager] + 56
12 xxx 0x0000000101a11534 -[AMapLocationManager createLocationManager] + 28
13 libobjc.A.dylib 0x00000001c3297454 + 68
14 Foundation 0x00000001c4b32234 + 340
15 CoreFoundation 0x00000001c4023954 + 28
16 CoreFoundation 0x00000001c40238d0 + 92
17 CoreFoundation 0x00000001c402318c + 180
18 CoreFoundation 0x00000001c401de60 + 988
19 CoreFoundation 0x00000001c401d764 CFRunLoopRunSpecific + 452
20 Foundation 0x00000001c49fd57c + 304
21 Foundation 0x00000001c4a39e70 + 92
22 xxx 0x0000000101a06254 +[AMapLocationCLMDelegate threadEntryPoint:] + 216
23 Foundation 0x00000001c49fc184 + 72
24 Foundation 0x00000001c4b32040 + 988
25 libsystem_pthread.dylib 0x00000001c3c9d920 + 132
26 libsystem_pthread.dylib 0x00000001c3c9d87c _pthread_start + 48
27 libsystem_pthread.dylib 0x00000001c3ca5dcc thread_start + 4