this.anrHandler = new Handler(MatrixHandlerThread.getDefaultHandler().getLooper());
复现步骤
sample-android 先进入 TRACE_CANARY 页面,再退出,再进入,就会奔溃。
其他信息
异常类型:app 运行时异常
matrix版本:0.6.5
堆栈/日志:
2020-01-20 11:16:38.242 26783-26783/sample.tencent.matrix E/AndroidRuntime: FATAL EXCEPTION: main
Process: sample.tencent.matrix, PID: 26783
java.lang.NullPointerException: Attempt to read from field 'android.os.MessageQueue android.os.Looper.mQueue' on a null object reference
at android.os.Handler.<init>(Handler.java:236)
at android.os.Handler.<init>(Handler.java:140)
at com.tencent.matrix.trace.view.FrameDecorator.getHandler(FrameDecorator.java:214)
at com.tencent.matrix.trace.view.FrameDecorator.access$600(FrameDecorator.java:34)
at com.tencent.matrix.trace.view.FrameDecorator$5.execute(FrameDecorator.java:208)
at com.tencent.matrix.trace.tracer.FrameTracer.notifyListener(FrameTracer.java:102)
at com.tencent.matrix.trace.tracer.FrameTracer.doFrame(FrameTracer.java:85)
at com.tencent.matrix.trace.core.UIThreadMonitor.dispatchEnd(UIThreadMonitor.java:262)
at com.tencent.matrix.trace.core.UIThreadMonitor.access$200(UIThreadMonitor.java:17)
at com.tencent.matrix.trace.core.UIThreadMonitor$1.dispatchEnd(UIThreadMonitor.java:110)
at com.tencent.matrix.trace.core.LooperMonitor$LooperDispatchListener.onDispatchEnd(LooperMonitor.java:48)
at com.tencent.matrix.trace.core.LooperMonitor.dispatch(LooperMonitor.java:213)
at com.tencent.matrix.trace.core.LooperMonitor.access$000(LooperMonitor.java:17)
at com.tencent.matrix.trace.core.LooperMonitor$LooperPrinter.println(LooperMonitor.java:196)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6523)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:941)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:831)
问题描述
AnrTracer
在onDead()
时不应该调用anrHandler.quit()
方法,因为 looper 是使用的全局的。复现步骤
sample-android 先进入 TRACE_CANARY 页面,再退出,再进入,就会奔溃。
其他信息
异常类型:app 运行时异常
matrix版本:0.6.5
堆栈/日志: