尝试
问题我启动我的应用程序并运行，我知道这是因为我在控制台中看到了print（）的日志输出。然而，模拟器屏幕是空白的，只是黑色。根本没有UI。我可以消除我的应用程序的问题，当我按下（模拟按下）回家它应该显示跳板但它的空白（黑屏）。我重置内容＆amp;设置。空白。
有谁能帮忙？其他：
我已经完全删除了Xcode，它来自Mac的所有痕迹。然后重新安装它。开始了一个新项目（和之前的空白屏幕一样）。但是这次我发现了一个错误警告。
Rountined
App quit Unexpectedly
谷歌没有发现任何暗示这是什么，或者它是否与我的问题有关。但是日志文件是这样的，任何人都可以诊断问题吗？
Process: routined [1045]
Path: /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/libexec/routined
Identifier: routined
Version: 413.0.10
Code Type: X86-64 (Native)
Parent Process: launchd_sim [1039]
Responsible: routined [1045]
User ID: 501
Date/Time: 2016-11-14 12:03:49.450 +0000
OS Version: Mac OS X 10.12.2 (16C41b)
Report Version: 12
Anonymous UUID: EB6CBF9E-B878-C122-2B34-BA3ED088512F
Time Awake Since Boot: 1900 seconds
System Integrity Protection: disabled
Crashed Thread: 5 Dispatch queue: RTMigrationManager-0x7fd26d50fe00
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
abort() called
CoreSimulator 338.10 - Device: iPhone 7 Plus - Runtime: iOS 10.2 (14C5062c) - DeviceType: iPhone 7 Plus
Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00000001138f938a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00000001138f87d7 mach_msg + 55
2 com.apple.CoreFoundation 0x000000010f130d24 __CFRunLoopServiceMachPort + 212
3 com.apple.CoreFoundation 0x000000010f1301a1 __CFRunLoopRun + 1345
4 com.apple.CoreFoundation 0x000000010f12fa04 CFRunLoopRunSpecific + 420
5 com.apple.Foundation 0x000000010e6e98c0 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 274
6 com.apple.Foundation 0x000000010e6e979b -[NSRunLoop(NSRunLoop) run] + 76
7 libcoreroutine.dylib 0x000000010e388c31 -[RTLifeCycleManager start] + 1124
8 routined 0x000000010e2d6ecc 0x10e2d6000 + 3788
9 libdyld.dylib 0x00000001135d268d start + 1
Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x0000000113901e5a kevent_qos + 10
1 libdispatch.dylib 0x000000011357dc37 _dispatch_mgr_wait_for_event + 79
2 libdispatch.dylib 0x0000000113577a81 _dispatch_mgr_invoke + 248
3 libdispatch.dylib 0x0000000113577883 _dispatch_mgr_thread + 54
Thread 2:
0 libsystem_kernel.dylib 0x00000001139014e2 __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x0000000113935791 _pthread_wqthread + 1426
2 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 3:: Dispatch queue: RTDefaultsManager-0x7fd26d50ec80-ServiceQueue
0 libsystem_kernel.dylib 0x0000000113900cb6 __psynch_mutexwait + 10
1 libsystem_pthread.dylib 0x0000000113935f6a _pthread_mutex_lock_wait + 100
2 com.apple.CoreFoundation 0x000000010f0e8858 -[CFPrefsSearchListSource alreadylocked_copyDictionary] + 312
3 com.apple.CoreFoundation 0x000000010f0e854c -[CFPrefsSearchListSource alreadylocked_copyValueForKey:] + 60
4 com.apple.CoreFoundation 0x000000010f1cf045 -[CFPrefsSource copyValueForKey:] + 53
5 com.apple.CoreFoundation 0x000000010f1f5640 __76-[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:]_block_invoke + 32
6 com.apple.CoreFoundation 0x000000010f20a702 __108-[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:]_block_invoke + 322
7 com.apple.CoreFoundation 0x000000010f209f09 normalizeQuintuplet + 329
8 com.apple.CoreFoundation 0x000000010f20a5b8 -[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:] + 104
9 com.apple.CoreFoundation 0x000000010f1f55a6 -[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:] + 310
10 com.apple.Foundation 0x000000010e6cc69b -[NSUserDefaults(NSUserDefaults) objectForKey:] + 43
11 libcoreroutine.dylib 0x000000010e386602 -[RTDefaultsManager _objectForKey:] + 169
12 libcoreroutine.dylib 0x000000010e38612b __34-[RTDefaultsManager objectForKey:]_block_invoke + 30
13 libdispatch.dylib 0x000000011358912e _dispatch_client_callout + 8
14 libdispatch.dylib 0x0000000113571d3f _dispatch_non_barrier_sync_f_invoke + 119
15 libcoreroutine.dylib 0x000000010e3860b8 -[RTDefaultsManager objectForKey:] + 225
16 libcoreroutine.dylib 0x000000010e3f3530 __62-[RTRoomSenseManager updateValueForKey:expectedClass:handler:]_block_invoke + 68
17 libdispatch.dylib 0x0000000113567808 _dispatch_call_block_and_release + 12
18 libdispatch.dylib 0x000000011358912e _dispatch_client_callout + 8
19 libdispatch.dylib 0x000000011356e4cf _dispatch_queue_serial_drain + 1018
20 libdispatch.dylib 0x000000011356ec9f _dispatch_queue_invoke + 1118
21 libdispatch.dylib 0x000000011356f047 _dispatch_queue_override_invoke + 376
22 libdispatch.dylib 0x00000001135709dc _dispatch_root_queue_drain + 506
23 libdispatch.dylib 0x0000000113570782 _dispatch_worker_thread3 + 113
24 libsystem_pthread.dylib 0x0000000113935712 _pthread_wqthread + 1299
25 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 4:: Dispatch queue: RTDefaultsManager-0x7fd26d50ec80-ServiceQueue
0 libsystem_kernel.dylib 0x0000000113900cb6 __psynch_mutexwait + 10
1 libsystem_pthread.dylib 0x0000000113935f6a _pthread_mutex_lock_wait + 100
2 com.apple.CoreFoundation 0x000000010f0e8858 -[CFPrefsSearchListSource alreadylocked_copyDictionary] + 312
3 com.apple.CoreFoundation 0x000000010f0e854c -[CFPrefsSearchListSource alreadylocked_copyValueForKey:] + 60
4 com.apple.CoreFoundation 0x000000010f1cf045 -[CFPrefsSource copyValueForKey:] + 53
5 com.apple.CoreFoundation 0x000000010f1f5640 __76-[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:]_block_invoke + 32
6 com.apple.CoreFoundation 0x000000010f20a702 __108-[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:]_block_invoke + 322
7 com.apple.CoreFoundation 0x000000010f209f09 normalizeQuintuplet + 329
8 com.apple.CoreFoundation 0x000000010f20a5b8 -[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:] + 104
9 com.apple.CoreFoundation 0x000000010f1f55a6 -[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:] + 310
10 com.apple.Foundation 0x000000010e6cc69b -[NSUserDefaults(NSUserDefaults) objectForKey:] + 43
11 libcoreroutine.dylib 0x000000010e386602 -[RTDefaultsManager _objectForKey:] + 169
12 libcoreroutine.dylib 0x000000010e38612b __34-[RTDefaultsManager objectForKey:]_block_invoke + 30
13 libdispatch.dylib 0x000000011358912e _dispatch_client_callout + 8
14 libdispatch.dylib 0x0000000113571d3f _dispatch_non_barrier_sync_f_invoke + 119
15 libcoreroutine.dylib 0x000000010e3860b8 -[RTDefaultsManager objectForKey:] + 225
16 libcoreroutine.dylib 0x000000010e3ebc16 __76-[RTPredictionControllerRoomAssist updateValueForKey:expectedClass:handler:]_block_invoke + 83
17 libdispatch.dylib 0x0000000113567808 _dispatch_call_block_and_release + 12
18 libdispatch.dylib 0x000000011358912e _dispatch_client_callout + 8
19 libdispatch.dylib 0x000000011356e4cf _dispatch_queue_serial_drain + 1018
20 libdispatch.dylib 0x000000011356ec9f _dispatch_queue_invoke + 1118
21 libdispatch.dylib 0x000000011356f047 _dispatch_queue_override_invoke + 376
22 libdispatch.dylib 0x00000001135709dc _dispatch_root_queue_drain + 506
23 libdispatch.dylib 0x0000000113570782 _dispatch_worker_thread3 + 113
24 libsystem_pthread.dylib 0x0000000113935712 _pthread_wqthread + 1299
25 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 5 Crashed:: Dispatch queue: RTMigrationManager-0x7fd26d50fe00
0 libsystem_kernel.dylib 0x0000000113900dd6 __pthread_kill + 10
1 libsystem_pthread.dylib 0x0000000113938787 pthread_kill + 90
2 libsystem_c.dylib 0x000000011367afd7 abort + 129
3 libcoreroutine.dylib 0x000000010e455926 -[RTMigrationManager abortDueToFatalMigrationError] + 247
4 libcoreroutine.dylib 0x000000010e45560e __48-[RTMigrationManager _finishMigrationWithError:]_block_invoke.174 + 290
5 libdispatch.dylib 0x0000000113567808 _dispatch_call_block_and_release + 12
6 libdispatch.dylib 0x000000011358912e _dispatch_client_callout + 8
7 libdispatch.dylib 0x000000011356e4cf _dispatch_queue_serial_drain + 1018
8 libdispatch.dylib 0x000000011356ec9f _dispatch_queue_invoke + 1118
9 libdispatch.dylib 0x000000011356f047 _dispatch_queue_override_invoke + 376
10 libdispatch.dylib 0x00000001135709dc _dispatch_root_queue_drain + 506
11 libdispatch.dylib 0x0000000113570782 _dispatch_worker_thread3 + 113
12 libsystem_pthread.dylib 0x0000000113935712 _pthread_wqthread + 1299
13 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 6:
0 libsystem_kernel.dylib 0x00000001139014e2 __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x0000000113935791 _pthread_wqthread + 1426
2 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 7:
0 libsystem_kernel.dylib 0x00000001139014e2 __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x0000000113935791 _pthread_wqthread + 1426
2 libsystem_pthread.dylib 0x00000001139351ed start_wqthread + 13
Thread 5 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000006 rcx: 0x000070000f1b5b98 rdx: 0x0000000000000000
rdi: 0x0000000000004703 rsi: 0x0000000000000006 rbp: 0x000070000f1b5bc0 rsp: 0x000070000f1b5b98
r8: 0x000000000000000a r9: 0x00007fd26d7533f0 r10: 0x000000000c000000 r11: 0x0000000000000202
r12: 0x000000010ec1bd20 r13: 0x000000010ec1bd20 r14: 0x000070000f1b6000 r15: 0x000000010ec1eac0
rip: 0x0000000113900dd6 rfl: 0x0000000000000202 cr2: 0x0000000116978000
Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133
Binary Images:
...
********(REMOVED THIS SECTION TO FIT POST UNDER THE 30,000 CHARACTER LIMIT)
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 1541
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=135.2M resident=0K(0%) swapped_out_or_unallocated=135.2M(100%)
Writable regions: Total=62.3M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=62.3M(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 2
Dispatch continuations 8192K 2
Kernel Alloc Once 8K 2
MALLOC 41.5M 20
MALLOC guard page 48K 10
SQLite page cache 64K 2
STACK GUARD 56.0M 9
Stack 11.1M 9
VM_ALLOCATE 20K 3
__DATA 14.5M 207
__LINKEDIT 31.4M 313
__TEXT 104.3M 166
__UNICODE 556K 2
mapped file 25.1M 8
shared memory 32K 5
=========== ======= =======
TOTAL 293.0M 745
Model: iMac11,3, BootROM IM112.0057.B03, 2 processors, Intel Core i3, 3.2 GHz, 16 GB, SMC 1.59f2
Graphics: ATI Radeon HD 5670, ATI Radeon HD 5670, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x859B, 0x435434473353313333394D2E43313646314B
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x859B, 0x435434473353313333394D2E43313646314B
Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1333 MHz, 0x859B, 0x435434473353313333394D2E43313646314B
Memory Module: BANK 1/DIMM1, 4 GB, DDR3, 1333 MHz, 0x859B, 0x435434473353313333394D2E43313646314B
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.74.0-P2P
Bluetooth: Version 5.0.2d9, 3 services, 27 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: AirPort, AirPort, en1
Serial ATA Device: ST31000528AS, 1 TB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: USB 2.0 Bus
USB Device: Hub
USB Device: iPhone
USB Device: IR Receiver
USB Device: Built-in iSight
USB Device: USB 2.0 Bus
USB Device: Hub
USB Device: Card Reader
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus:
答案 0 :(得分：1)
问题已经解决。我更新到最新的版本8.2 beta（8C30a）并且所有工作。不是真正的答案，因为仍然不知道原因。
答案 1 :(得分：1)
我也一样 - 一切正常但屏幕是黑色的。答案很简单：
@property (weak, nonatomic) IBOutlet UIView *loadView;
避免使用名称为 loadView
的属性