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Android开发中ANR的定位和解决——无需Root手机_android 无root下收集appanr信息

android 无root下收集appanr信息

如果程序输出下方的log或者弹出程序无响应就表示遇到了ANR

020-07-11 23:18:19.131 1232-28781/? E/ActivityManager: ANR in com.test (com.test/.MainActivity)
    PID: 28502
    Reason: Input dispatching timed out (Waiting to send non-key event because the touched window has not finished processing certain input events that were delivered to it over 500.0ms ago.  Wait queue length: 14.  Wait queue head age: 5581.9ms.)
    Load: 0.8 / 0.61 / 0.36
    CPU usage from 88571ms to 372ms ago (2020-07-11 23:16:46.480 to 2020-07-11 23:18:14.680) with 99% awake:
      15% 1232/system_server: 9.8% user + 5.2% kernel / faults: 48633 minor 2 major
      3.9% 797/android.hardware.sensors@1.0-service-mediatek: 1.8% user + 2% kernel
      2.5% 618/surfaceflinger: 1.5% user + 1% kernel / faults: 2480 minor
      1.9% 25050/com.tencent.mm: 1.7% user + 0.2% kernel / faults: 11390 minor 4 major
      0.9% 25228/com.android.packageinstaller: 0.6% user + 0.2% kernel / faults: 10014 minor
      1.4% 24501/adbd: 0.2% user + 1.1% kernel / faults: 291099 minor
      1.1% 10265/com.android.systemui: 0.8% user + 0.3% kernel / faults: 1011 minor 21 major
      1% 2980/com.google.android.gms: 0.8% user + 0.2% kernel / faults: 5882 minor 19 major
      1% 417/logd: 0.3% user + 0.6% kernel / faults: 32 minor
      0.9% 155/chre_kthread: 0% user + 0.9% kernel
      0.9% 9684/com.nearme.statistics.rom: 0.6% user + 0.2% kernel / faults: 2800 minor 1 major
      0.8% 573/android.hardware.graphics.composer@2.1-service: 0.3% user + 0.4% kernel / faults: 1354 minor
      0.4% 780/installd: 0% user + 0.3% kernel / faults: 751 minor
      0.6% 2588/com.coloros.persist.system: 0.3% user + 0.2% kernel / faults: 1408 minor
      0.5% 23765/kworker/0:3: 0% user + 0.5% kernel
      0.4% 10919/com.xunmeng.pinduoduo:titan: 0.3% user + 0.1% kernel / faults: 1296 minor 1 major
      0.4% 312/usbtemp_kthread: 0% user + 0.4% kernel
      0.4% 2022/com.android.phone: 0.2% user + 0.1% kernel / faults: 960 minor
      0.3% 9578/com.tencent.mm:push: 0.3% user + 0% kernel / faults: 999 minor
      0.3% 28102/kworker/1:1: 0% user + 0.3% kernel
      0.3% 2436/com.google.android.gms.persistent: 0.2% user + 0% kernel / faults: 1384 minor 24 major
      0.2% 25284/com.oppo.market: 0.2% user + 0% kernel / faults: 1522 minor
      0.2% 2056/com.oppo.launcher: 0.1% user + 0% kernel / faults: 1215 minor 1 major
      0.2% 7/rcu_preempt: 0% user + 0.2% kernel
      0.2% 287/ipi_cpu_dvfs_rt: 0% user + 0.2% kernel
      0.1% 1977/com.coloros.safecenter:clear_filter: 0% user + 0% kernel / faults: 619 minor 4 major
      0.2% 19229/kworker/u16:8: 0% user + 0.2% kernel
      0.2% 9560/hif_thread: 0% user + 0.2% kernel
      0.2% 9776/com.eg.android.AlipayGphone: 0.1% user + 0% kernel / faults: 66 minor
      0.1% 18658/kworker/u16:0: 0% user + 0.1% kernel
      0.1% 18843/kworker/u16:1: 0% user + 0.1% kernel
      0.1% 418/servicemanager: 0% user + 0.1% kernel / faults: 1 minor
      0.1% 548/zygote64: 0% user + 0.1% kernel / faults: 1485 minor
      0.1% 771/aal: 0% user + 0.1% kernel
      0.1% 796/media.codec: 0% user + 0% kernel / faults: 2022 minor
      0.1% 26807/com.android.vending: 0.1% user + 0% kernel / faults: 330 minor
      0.1% 26093/com.nearme.gamecenter: 0.1% user + 0% kernel / faults: 405 minor 1 major
      0.1% 150/pbm: 0% user + 0.1% kernel
      0.1% 572/android.hardware.graphics.allocator@2.0-service: 0% user + 0.1% kernel / faults: 168 minor
      0.1% 574/android.hardware.health@2.0-service: 0% user + 0.1% kernel
      0.1% 1086/com.tencent.mm:tools: 0% user + 0% kernel / faults: 72 minor
      0.1% 19217/kworker/u17:2: 0% user + 0.1% kernel
      0.1% 27111/com.coloros.digitalwellbeing: 0% user + 0% kernel / faults: 649 minor
      0.1% 1//init: 0% user + 0% kernel / faults: 38 minor
      0.1% 1185/disp_queue_P0: 0% user + 0.1% kernel
      0.1% 9559/tx_thread: 0% user + 0.1% kernel
      0.1% 26077/com.oppo.quicksearchbox: 0.1% user + 0% kernel / faults: 244 minor
      0.1% 23535/kworker/u17:0: 0% user + 0.1% kernel
      0.1% 181/disp_idlemgr: 0% user + 0.1% kernel
      0.1% 19228/kworker/u16:7: 0% user + 0.1% kernel
      0% 86/ion_mm_heap: 0% user + 0% kernel
      0% 591/vendor.mediatek.hardware.power@2.1-service: 0% user + 0% kernel
      0% 1285/mtkfusionrild: 0% user + 0% kernel
      0% 17704/logcat: 0% user + 0% kernel
      0% 22594/kworker/4:0: 0% user
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日志并没有告诉我们是哪一行代码导致的耗时卡顿,那么如何查找导致ANR的元凶呢?

控制台输入下方代码

adb shell ls /data/anr/
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将log日志从手机导入到桌面,

1 记得改成自己的文件地址
2文件导出过程较缓慢请耐心等待
3 一定要连接手机,如果失败就多试几次

adb bugreport /Users/liangchaojie/Desktop/
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随意打开其中的一个anr日志,比如最下面的anr_2020-07-11-11-23-18-15-599

----- pid 28502 at 2020-07-11 23:18:15 -----
Cmd line: com.test
Build fingerprint: 'OPPO/PCPM00/OP4ACF:9/PPR1.180610.011/1590563734:user/release-keys'
ABI: 'arm64'
Build type: optimized
Zygote loaded classes=10781 post zygote classes=556
Intern table: 92927 strong; 364 weak
JNI: CheckJNI is on; globals=600 (plus 32 weak)

//中间的省略...

//主要看这里 main函数里面
"main" prio=5 tid=1 Sleeping
  | group="main" sCount=1 dsCount=0 flags=1 obj=0x7a0982c0 self=0x7ab0014c00
  | sysTid=28502 nice=-10 cgrp=default sched=0/0 handle=0x7b36af3548
  | state=S schedstat=( 968443073 36962539 567 ) utm=86 stm=10 core=4 HZ=100
  | stack=0x7fe2400000-0x7fe2402000 stackSize=8MB
  | held mutexes=
  at java.lang.Thread.sleep(Native method)
  - sleeping on <0x02d58282> (a java.lang.Object)
  at java.lang.Thread.sleep(Thread.java:373)
  - locked <0x02d58282> (a java.lang.Object)
  at java.lang.Thread.sleep(Thread.java:314)
  at com.test.MainActivity$1.onClick(MainActivity.java:22)
  at android.view.View.performClick(View.java:6724)
  at android.view.View.performClickInternal(View.java:6682)
  at android.view.View.access$3400(View.java:797)
  at android.view.View$PerformClick.run(View.java:26479)
  at android.os.Handler.handleCallback(Handler.java:873)
  at android.os.Handler.dispatchMessage(Handler.java:99)
  at android.os.Looper.loop(Looper.java:239)
  at android.app.ActivityThread.main(ActivityThread.java:7227)
  at java.lang.reflect.Method.invoke(Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:499)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:962)

//剩下的省略...
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找到了耗时ANR的原因,MainAcyivity里面的onClick方法使用了Thread.sleep导致的耗时,我们验证一下结果看下代码:

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