开启混淆后报错“JNI DETECTED ERROR IN APPLICATION”

[xmaihh]

开启混淆后运行报错，得到错误信息

 A/art: art/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: JNI GetFieldID called with pending exception 'java.lang.NoSuchFieldError' thrown in void android_serialport_api.SerialPort.close():-2
 A/art: art/runtime/check_jni.cc:65]     in call to GetFieldID
 A/art: art/runtime/check_jni.cc:65]     from void android_serialport_api.SerialPort.close()
 A/art: art/runtime/check_jni.cc:65] "IntentService[KitchenAid]" prio=5 tid=22 Runnable
 A/art: art/runtime/check_jni.cc:65]   | group="main" sCount=0 dsCount=0 obj=0x12f477b0 self=0xb4846b00
 A/art: art/runtime/check_jni.cc:65]   | sysTid=6585 nice=0 cgrp=default sched=0/0 handle=0xb4928e00
 A/art: art/runtime/check_jni.cc:65]   | state=R schedstat=( 1392412644 43181446 156 ) utm=137 stm=2 core=3 HZ=100
 A/art: art/runtime/check_jni.cc:65]   | stack=0xa3a11000-0xa3a13000 stackSize=1036KB
 A/art: art/runtime/check_jni.cc:65]   | held mutexes= "mutator lock"(shared held)
 A/art: art/runtime/check_jni.cc:65]   native: #00 pc 00004e64  /system/lib/libbacktrace_libc++.so (UnwindCurrent::Unwind(unsigned int, ucontext*)+23)
 A/art: art/runtime/check_jni.cc:65]   native: #01 pc 00003665  /system/lib/libbacktrace_libc++.so (Backtrace::Unwind(unsigned int, ucontext*)+8)
 A/art: art/runtime/check_jni.cc:65]   native: #02 pc 002423d9  /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, int, char const*, art::mirror::ArtMethod*)+68)
 A/art: art/runtime/check_jni.cc:65]   native: #03 pc 00226013  /system/lib/libart.so (art::Thread::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) const+146)
 A/art: art/runtime/check_jni.cc:65]   native: #04 pc 000afdcf  /system/lib/libart.so (art::JniAbort(char const*, char const*)+582)
 A/art: art/runtime/check_jni.cc:65]   native: #05 pc 000b050f  /system/lib/libart.so (art::JniAbortF(char const*, char const*, ...)+58)
 A/art: art/runtime/check_jni.cc:65]   native: #06 pc 000b35c7  /system/lib/libart.so (art::ScopedCheck::ScopedCheck(_JNIEnv*, int, char const*)+1286)
 A/art: art/runtime/check_jni.cc:65]   native: #07 pc 000b57f7  /system/lib/libart.so (art::CheckJNI::GetFieldID(_JNIEnv*, _jclass*, char const*, char const*)+26)
 A/art: art/runtime/check_jni.cc:65]   native: #08 pc 00000bc1  /data/app/com.project.kitchen-1/lib/arm/libserialport.so (Java_android_1serialport_1api_SerialPort_close+76)
 A/art: art/runtime/check_jni.cc:65]   native: #09 pc 0000014f  /data/dalvik-cache/arm/data@[email protected]@[email protected] (Java_android_1serialport_1api_SerialPort_close__+82)
 A/art: art/runtime/check_jni.cc:65]   at android_serialport_api.SerialPort.close(Native method)
 A/art: art/runtime/check_jni.cc:65]   at e.a.a.a.a(SerialHelper.java:60)
 A/art: art/runtime/check_jni.cc:65]   at b.d.a.b.a.a(SerialManager.java:80)

解决办法:

在proguard-rules.pro添加

-keep class tp.xmaihh.serialport.**{*;}
-keep class android_serialport_api.**{*;}

[xuzhuang1996]

你是对的。proguard-rules.pro中必须添加出问题的类的全名称。