chenxing640
关于Thread Performance Checker
您好，可否解决一下这个： Thread Performance Checker: -[AVCaptureSession startRunning] should be called from background thread. Calling it on the main thread can lead to UI unresponsiveness PID: 90430, TID: 12678144 Backtrace
3 bluetoothPro 0x000000010034deec -[DYFCodeScannerViewController configureScanner] + 1976 4 bluetoothPro 0x000000010034d46c __45-[DYFCodeScannerViewController requestAccess]_block_invoke_2 + 60 5 libdispatch.dylib 0x0000000103104520 _dispatch_call_block_and_release + 32 6 libdispatch.dylib 0x0000000103106038 _dispatch_client_callout + 20 7 libdispatch.dylib 0x0000000103116798 _dispatch_main_queue_drain + 1196 8 libdispatch.dylib 0x00000001031162dc _dispatch_main_queue_callback_4CF + 44 9 CoreFoundation 0x0000000192b57c28 4230C122-42E8-383B-BEEC-EE7B61F8BB61 + 625704 10 CoreFoundation 0x0000000192b39560 4230C122-42E8-383B-BEEC-EE7B61F8BB61 + 501088 11 CoreFoundation 0x0000000192b3e3ec CFRunLoopRunSpecific + 612 12 GraphicsServices 0x00000001ce00335c GSEventRunModal + 164 13 UIKitCore 0x0000000194ecb6e8 B3834960-244B-34E4-9EA0-CA4BB44EF0F3 + 3790568 14 UIKitCore 0x0000000194ecb34c UIApplicationMain + 340 15 bluetoothPro 0x0000000100278c20 main + 124 16 dyld 0x00000001b203edec 8A423F3F-B318-315E-99C7-05EE532E9C0D + 89580
