Hello,欢迎来到我的主页。
我目前是一名android程序猿,Android GDE(谷歌开发者专家),也是稀土掘金的签约作者【Pika】,博客分享主要在掘金!当然,你也可以在一些分享活动也能看到我!目前主要方向是android性能优化,NDK开发,compose,flutter等,欢迎点赞我的仓库!!
目前活跃情况:
- 不定期更新个人仓库
- 会对一些大厂仓库进行pr贡献,比如shadow,Relinker,Koom等
library for android which can observe signal from native crash or ANR
Hello,欢迎来到我的主页。
我目前是一名android程序猿,Android GDE(谷歌开发者专家),也是稀土掘金的签约作者【Pika】,博客分享主要在掘金!当然,你也可以在一些分享活动也能看到我!目前主要方向是android性能优化,NDK开发,compose,flutter等,欢迎点赞我的仓库!!
目前活跃情况:
demo的anr是一个死循环,由于系统机制不一定会立马产生anr,可以点击按钮后再点击回退键去尽快触发!
设备:小米 max3
系统:Android 10
现象描述:下载 demo 后直接运行,点击首页按钮直接闪退
log日志:
2023-01-02 00:24:54.825 10412-10412/com.example.signal I/hi_signal: 11 catch
2023-01-02 00:24:54.825 10412-10412/com.example.signal I/hi_signal: crash info pid:10412
2023-01-02 00:24:54.827 10412-10412/com.example.signal D/AndroidRuntime: Shutting down VM
--------- beginning of crash
2023-01-02 00:24:54.828 10412-10412/com.example.signal E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.signal, PID: 10412
java.lang.StackOverflowError: stack size 8192KB
at com.example.signal.MainActivity.throwNativeCrash(Native Method)
at com.example.signal.MainActivity.onCreate$lambda-0(MainActivity.kt:23)
at com.example.signal.MainActivity.$r8$lambda$__atZomnwlT46HKNaZgatRAAqwU(Unknown Source:0)
at com.example.signal.MainActivity$$ExternalSyntheticLambda0.onClick(Unknown Source:2)
at android.view.View.performClick(View.java:7185)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1194)
at android.view.View.performClickInternal(View.java:7162)
at android.view.View.access$3500(View.java:819)
at android.view.View$PerformClick.run(View.java:27678)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:224)
at android.app.ActivityThread.main(ActivityThread.java:7562)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)
--------- beginning of system
2023-01-02 00:24:54.838 10412-10412/com.example.signal I/Process: Sending signal. PID: 10412 SIG: 9
java.lang.NullPointerException: it must not be null
Utils.getLogcatByBufferName(Utils.kt:65)
while (br.readLine().also { line = it } != null)
有的会重启,有的不会,例如红米
demo的throwNativeCrash在协程中调用,自定义的MyHandler的onCatchSignal无法回调收到异常回调
在c++方法中raise了SIGSEGV,使用Signal后性能平台确实收不到Crash上报了,但是Handler中的onCatchSignal没有调用,请问可能是什么原因呢
JAVA层的日志太少,需要优化
不能拦截到,日志也不会打印,就直接crash了,你们难道不是吗?
一开始只想着给使用者抛出native堆栈,java层堆栈可通过回调去抛出throwable获取,但是现在看来,还是加上比较好,避免有些朋友不知道呀
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