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 outsending to application AppWindowToken{f24f3