我很难调试Android ANR问题。
这是我在logcat中得到的：
I/art﹕ Thread[2,tid=29718,WaitingInMainSignalCatcherLoop,Thread*=0xaf40e400,peer=0x12c39080,"Signal Catcher"]: reacting to signal 3
继承人我在traces.txt文件中得到的内容
"Signal Catcher" daemon prio=5 tid=2 Runnable
| group="system" sCount=0 dsCount=0 obj=0x12c57080 self=0xaf40e400
| sysTid=29718 nice=0 cgrp=apps sched=0/0 handle=0xafb18d80
| state=R schedstat=( 32478966 17635623 73 ) utm=1 stm=2 core=1 HZ=100
| stack=0xb466d000-0xb466f000 stackSize=1012KB
| held mutexes= "thread list lock" "mutator lock"(exclusive held)
native: #00 pc 00004640 /system/lib/libbacktrace_libc++.so (UnwindCurrent::Unwind(unsigned int, ucontext*)+23)
native: #01 pc 00002e8d /system/lib/libbacktrace_libc++.so (Backtrace::Unwind(unsigned int, ucontext*)+8)
native: #02 pc 002453c1 /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, int, char const*, art::mirror::ArtMethod*)+68)
native: #03 pc 00229f47 /system/lib/libart.so (art::Thread::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) const+146)
native: #04 pc 00232ddf /system/lib/libart.so (art::ThreadList::DumpForSigQuit(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)+142)
native: #05 pc 00218da7 /system/lib/libart.so (art::Runtime::DumpForSigQuit(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)+66)
native: #06 pc 0021ed13 /system/lib/libart.so (art::SignalCatcher::HandleSigQuit()+774)
native: #07 pc 0021f3cb /system/lib/libart.so (art::SignalCatcher::Run(void*)+322)
native: #08 pc 000137bb /system/lib/libc.so (__pthread_start(void*)+30)
native: #09 pc 0001189b /system/lib/libc.so (__start_thread+6)
(no managed stack frames)
有谁知道通常会导致这些错误的原因？我无法将其精确定位到任何特定的代码行，但有时似乎会在启动应用程序时发生。
由于