我正在开发一个应用程序，有时它会崩溃，而我的代码中没有任何原因。 我在日志猫中唯一拥有的是：
2019-10-07 09:55:34.677 15014-15014/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2019-10-07 09:55:34.678 15014-15014/? A/DEBUG: Build fingerprint: 'HUAWEI/POT-LX1/HWPOT-H:9/HUAWEIPOT-L21/264C432:user/release-keys'
2019-10-07 09:55:34.678 15014-15014/? A/DEBUG: Revision: '0'
2019-10-07 09:55:34.678 15014-15014/? A/DEBUG: ABI: 'arm64'
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: Happend: 'Mon Oct 7 09:55:34 2019
'
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: SYSVMTYPE: Art
APPVMTYPE: Art
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: pid: 14772, tid: 15007, name: pool-10-thread- >>> com.example.myapp <<<
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x58
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: Cause: null pointer dereference
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x0 0000007c8c085800 x1 0000000000000001 x2 0000007d30bd3210 x3 000000000000001d
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x4 000000000000003f x5 0000000000000003 x6 00000000000000ff x7 0000000000000000
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x8 0000000000000000 x9 aeb8e5858bf8262c x10 0000000000000060 x11 0000007c8c085870
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x12 0000000000000000 x13 000000000000001f x14 0000000000000c70 x15 0000000000000009
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x16 0000007d30f1e120 x17 0000007d30bd6670 x18 0000000000000008 x19 0000007c8c085800
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x20 0000007ca1d58ed8 x21 0000007d30bd3094 x22 0000000000000001 x23 00000000147e97f8
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x24 0000000000000001 x25 00000000146972c8 x26 0000000000000000 x27 0000000000000066
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: x28 0000000000000066 x29 0000007c88af6860
2019-10-07 09:55:34.680 15014-15014/? A/DEBUG: sp 0000007c88af6850 lr 0000007d30bd30cc pc 0000007d30bd6684
回溯：
2019-10-07 09:55:34.990 15014-15014/? A/DEBUG: backtrace:
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #00 pc 0000000000455684 /system/lib64/libhwui.so (SkCanvas::restore()+20)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #01 pc 00000000004520c8 /system/lib64/libhwui.so (android::SkiaCanvas::restore()+52)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #02 pc 000000000045225c /system/lib64/libhwui.so (android::SkiaCanvas::restoreToCount(int)+76)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #03 pc 0000000000421d78 /system/framework/arm64/boot-framework.oat (offset 0x415000) (android.graphics.Paint.nSetAlpha [DEDUPED]+72)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #04 pc 000000000004fbe8 /dev/ashmem/dalvik-jit-code-cache (deleted) (android.graphics.Canvas.restoreToCount+200)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #05 pc 00000000000a1820 /dev/ashmem/dalvik-jit-code-cache (deleted) (android.view.View.buildDrawingCacheImpl+1616)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #06 pc 00000000000a7cbc /dev/ashmem/dalvik-jit-code-cache (deleted) (android.view.View.buildDrawingCache+332)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #07 pc 000000000056ef88 /system/lib64/libart.so (art_quick_invoke_stub+584)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #08 pc 00000000000d4204 /system/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+200)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #09 pc 0000000000283fa8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+344)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #10 pc 000000000027dfb0 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+968)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #11 pc 000000000053ea98 /system/lib64/libart.so (MterpInvokeVirtual+588)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #12 pc 0000000000561614 /system/lib64/libart.so (ExecuteMterpImpl+14228)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #13 pc 0000000000bf4fa6 /system/framework/boot-framework.vdex (android.view.View.buildDrawingCache+2)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #14 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #15 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #16 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #17 pc 000000000053ea98 /system/lib64/libart.so (MterpInvokeVirtual+588)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #18 pc 0000000000561614 /system/lib64/libart.so (ExecuteMterpImpl+14228)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #19 pc 000000000020d214 /dev/ashmem/dalvik-classes3.dex extracted in memory from /data/app/com.example.myapp-4SGSzZoJcONu_hs9_v1QLA==/base.apk!classes3.dex (deleted) (com.sdsmdg.harjot.materialshadows.shadowutils.ShadowGenerator.calculateAndRenderShadow)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #20 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #21 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #22 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #23 pc 000000000053fdd8 /system/lib64/libart.so (MterpInvokeDirect+296)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #24 pc 0000000000561714 /system/lib64/libart.so (ExecuteMterpImpl+14484)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #25 pc 000000000020d18c /dev/ashmem/dalvik-classes3.dex extracted in memory from /data/app/com.example.myapp-4SGSzZoJcONu_hs9_v1QLA==/base.apk!classes3.dex (deleted) (com.sdsmdg.harjot.materialshadows.shadowutils.ShadowGenerator.access$000)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #26 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #27 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #28 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #29 pc 000000000053ff9c /system/lib64/libart.so (MterpInvokeStatic+204)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #30 pc 0000000000561794 /system/lib64/libart.so (ExecuteMterpImpl+14612)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #31 pc 000000000020ccc8 /dev/ashmem/dalvik-classes3.dex extracted in memory from /data/app/com.example.myapp-4SGSzZoJcONu_hs9_v1QLA==/base.apk!classes3.dex (deleted) (com.sdsmdg.harjot.materialshadows.shadowutils.ShadowGenerator$2.run+12)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #32 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #33 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #34 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #35 pc 000000000053fa14 /system/lib64/libart.so (MterpInvokeInterface+1392)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #36 pc 0000000000561814 /system/lib64/libart.so (ExecuteMterpImpl+14740)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #37 pc 000000000011fe04 /system/framework/boot.vdex (java.util.concurrent.Executors$RunnableAdapter.call+4)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #38 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #39 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #40 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #41 pc 000000000053fa14 /system/lib64/libart.so (MterpInvokeInterface+1392)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #42 pc 0000000000561814 /system/lib64/libart.so (ExecuteMterpImpl+14740)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #43 pc 00000000001213b2 /system/framework/boot.vdex (java.util.concurrent.FutureTask.run+62)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #44 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #45 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #46 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #47 pc 000000000053fa14 /system/lib64/libart.so (MterpInvokeInterface+1392)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #48 pc 0000000000561814 /system/lib64/libart.so (ExecuteMterpImpl+14740)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #49 pc 00000000001fdc94 /system/framework/boot.vdex (java.util.concurrent.ThreadPoolExecutor.processTask+146)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #50 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #51 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #52 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #53 pc 000000000053fdd8 /system/lib64/libart.so (MterpInvokeDirect+296)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #54 pc 0000000000561714 /system/lib64/libart.so (ExecuteMterpImpl+14484)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #55 pc 0000000000125f32 /system/framework/boot.vdex (java.util.concurrent.ThreadPoolExecutor.runWorker+12)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #56 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #57 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #58 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #59 pc 000000000053ea98 /system/lib64/libart.so (MterpInvokeVirtual+588)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #60 pc 0000000000561614 /system/lib64/libart.so (ExecuteMterpImpl+14228)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #61 pc 000000000012514c /system/framework/boot.vdex (java.util.concurrent.ThreadPoolExecutor$Worker.run+4)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #62 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #63 pc 000000000025d7a8 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #64 pc 000000000027df94 /system/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #65 pc 000000000053fa14 /system/lib64/libart.so (MterpInvokeInterface+1392)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #66 pc 0000000000561814 /system/lib64/libart.so (ExecuteMterpImpl+14740)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #67 pc 00000000000cd1a6 /system/framework/boot.vdex (java.lang.Thread.run+12)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #68 pc 0000000000257cb4 /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.4019025862+488)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #69 pc 000000000052aa88 /system/lib64/libart.so (artQuickToInterpreterBridge+1020)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #70 pc 00000000005780fc /system/lib64/libart.so (art_quick_to_interpreter_bridge+92)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #71 pc 000000000056ef88 /system/lib64/libart.so (art_quick_invoke_stub+584)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #72 pc 00000000000d4204 /system/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+200)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #73 pc 0000000000472fd4 /system/lib64/libart.so (art::(anonymous namespace)::InvokeWithArgArray(art::ScopedObjectAccessAlreadyRunnable const&, art::ArtMethod*, art::(anonymous namespace)::ArgArray*, art::JValue*, char const*)+104)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #74 pc 0000000000474090 /system/lib64/libart.so (art::InvokeVirtualOrInterfaceWithJValues(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jmethodID*, jvalue*)+424)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #75 pc 000000000049f684 /system/lib64/libart.so (art::Thread::CreateCallback(void*)+1120)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #76 pc 0000000000083588 /system/lib64/libc.so (__pthread_start(void*)+36)
2019-10-07 09:55:34.991 15014-15014/? A/DEBUG: #77 pc 00000000000241dc /system/lib64/libc.so (__start_thread+68)
问题是什么，我该如何解决这个问题？
谢谢！
(我正在写这些额外的行，因为我的帖子主要是代码( (我正在写这些额外的行，因为我的帖子主要是代码(
仅当使用 YYC 而不是 VM 进行编译时，才会发生此崩溃。我建议尝试使用 VM 编译您的应用程序。
当您使用华为设备进行测试时，此崩溃会随机发生，可以通过使缓存失效并重新启动AS来解决。