APP is Idle:
检查CallStack,查看main thread的CallStack停在nativePollOnce (From SWT_JBT_TRACES),如果是system anr,需要查看“android.ui” thread。
No Focus Window ANR Check Point:
检查activity onResume时间点(此时activity能被看到),如果发生ANR时onResume还未完成,归类为APP Related Issue,否则进行步骤2判断:
异常case:the am_on_resume_called is called after ANR time
// ANR Time (From Sys Log or SYS_ANDROID_LOG)03-12 15:36:42.713 853 895 I WindowManager: Input event dispatching timed out sending to application AppWindowToken{f24f3