当前位置 博文首页 > 庆述倾述:/data/anr/traces.txt文件定位简单错误
首先我们先制造一个简单的ANR
错误,让它自动生成日志。
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
while(true){
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
});
点击按钮后,在Device FIle Explorer
中就可以看到下面:
我们打开日志文件可以看到前面有一个main
线程,我们可以看见:
"main" prio=5 tid=1 Sleeping
| group="main" sCount=1 dsCount=0 flags=1 obj=0x73e46978 self=0xeded9000
| sysTid=25541 nice=-10 cgrp=default sched=0/0 handle=0xf285a514
| state=S schedstat=( 415701700 137679390 275 ) utm=39 stm=2 core=3 HZ=100
| stack=0xff256000-0xff258000 stackSize=8MB
| held mutexes=
at java.lang.Thread.sleep(Native method)
- sleeping on <0x0f52739f> (a java.lang.Object)
at java.lang.Thread.sleep(Thread.java:373)
- locked <0x0f52739f> (a java.lang.Object)
at java.lang.Thread.sleep(Thread.java:314)
at com.weizu.myapplication.MainActivity$1.onClick(MainActivity.java:49)
at android.view.View.performClick(View.java:6294)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:992)
at android.view.View$PerformClick.run(View.java:24770)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
第一个报错的位置at java.lang.Thread.sleep(Native method)
正好是原因。