混淆后，关闭串口闪退

[Wxianpeng]

at com.kongqw.serialportlibrary.SerialPort.close(Native method)
at com.kongqw.serialportlibrary.SerialPortManager.a(SerialPortManager.java:87)
at com.ubains.aide.VoiceActivity.onDestroy(VoiceActivity.java:883)
at android.app.Activity.performDestroy(Activity.java:6437)
at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1142) at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3818)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3849)
at android.app.ActivityThread.-wrap5(ActivityThread.java:-1)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1398)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke!(Native method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:772)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:662)

[Wxianpeng]

增加 混淆 代码 。 就不会闪退了。。。
-dontwarn com.kongqw.**
-keep class com.kongqw.**{*;}

[MarcoJF888]

也是关闭串口的时候报错

  if (null != mFd) {
        close();
        mFd = null;
    }

这个close这里

567 2658-2691/? E/art: JNI DETECTED ERROR IN APPLICATION: fid == null
2020-05-22 11:39:11.567 2658-2691/? E/art: in call to GetObjectField
2020-05-22 11:39:11.567 2658-2691/? E/art: from void com.kongqw.serialportlibrary.SerialPort.close()
2020-05-22 11:39:11.567 2658-2691/? E/art: "Timer-2" prio=5 tid=18 Runnable
2020-05-22 11:39:11.567 2658-2691/? E/art: | group="main" sCount=0 dsCount=0 obj=0x12f2fca0 self=0xb16ac600
2020-05-22 11:39:11.567 2658-2691/? E/art: | sysTid=2691 nice=0 cgrp=default sched=0/0 handle=0xb2ba6920
2020-05-22 11:39:11.567 2658-2691/? E/art: | state=R schedstat=( 1653461 1101693 8 ) utm=0 stm=0 core=3 HZ=100
2020-05-22 11:39:11.567 2658-2691/? E/art: | stack=0xb2aa4000-0xb2aa6000 stackSize=1038KB
2020-05-22 11:39:11.567 2658-2691/? E/art: | held mutexes= "mutator lock"(shared held)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #00 pc 0034f0ad /system/lib/libart.so (_ZN3art15DumpNativeStackERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEEiP12BacktraceMapPKcPNS_9ArtMethodEPv+128)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #1 pc 0032f96d /system/lib/libart.so (_ZNK3art6Thread9DumpStackERNSt3__113basic_ostreamIcNS1_11char_traitsIcEEEEbP12BacktraceMap+632)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #2 pc 00238381 /system/lib/libart.so (ZN3art9JavaVMExt8JniAbortEPKcS2+1188)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #3 pc 002393db /system/lib/libart.so (ZN3art9JavaVMExt9JniAbortFEPKcS2_z+66)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #4 pc 0026fad3 /system/lib/libart.so (ZN3art3JNI14GetObjectFieldEP7_JNIEnvP8_jobjectP9_jfieldID+514)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #5 pc 00000b67 /system/priv-app/rktools/rktools.apk (???)
2020-05-22 11:39:11.567 2658-2691/? E/art: native: #6 pc 0003996f /data/dalvik-cache/arm/system@priv-app@rktools@[email protected] (Java_com_kongqw_serialportlibrary_SerialPort_close+74)
2020-05-22 11:39:11.567 2658-2691/? E/art: at com.kongqw.serialportlibrary.SerialPort.close(Native method)
2020-05-22 11:39:11.567 2658-2691/? E/art: at com.intelligym.rk3288tools.device.b.a.a(SerialPortManager.java:107)
2020-05-22 11:39:11.567 2658-2691/? E/art: at com.intelligym.rk3288tools.device.b.b.f.l(XQTreadmillSerialPort.java:431)
2020-05-22 11:39:11.567 2658-2691/? E/art: at com.intelligym.rk3288tools.device.b.b.f.i(XQTreadmillSerialPort.java:425)
2020-05-22 11:39:11.568 2658-2691/? E/art: at com.intelligym.rk3288tools.activity.factory.FactoryXqTreadmillActivity$1.run(FactoryXqTreadmillActivity.java:201)
2020-05-22 11:39:11.568 2658-2691/? E/art: at java.util.TimerThread.mainLoop(Timer.java:555)
2020-05-22 11:39:11.568 2658-2691/? E/art: at java.util.TimerThread.run(Timer.java:505)

[VAEAZE]

增加 混淆 代码 。 就不会闪退了。。。 -dontwarn com.kongqw.** -keep class com.kongqw.**{*;}

这个是怎么增加？在打包的时候？加在gradle配置文件里面啊