Android Release apk throw UnsatisfiedLinkError

[mmhmofu]

vosk run successfully on debug，but release apk crush.
Error Detail：
java.lang.UnsatisfiedLinkError: Can't obtain class com.sun.jna.Pointer
at com.sun.jna.Native.initIDs(Native Method)
at com.sun.jna.Native.(:7)
at com.sun.jna.Native.a()
at org.vosk.LibVosk.()
at org.vosk.LibVosk.vosk_model_new(Native Method)
at e.b.a.()
at e.b.c.k.a()
at e.b.c.f.run(lambda)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)

Dependency already implementation 'net.java.dev.jna:jna:5.13.0@aar'
implementation 'com.alphacephei:vosk-android:0.3.47@aar'

[mmhmofu]

after add rule -keep class com.sun.jna.** { *; } in proguard-rules.pro file.it turns to another exception
java.lang.ExceptionInInitializerError
at org.vosk.LibVosk.vosk_model_new(Native Method)
at e.b.a.()
at e.b.c.k.a()
at e.b.c.f.run(lambda)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)
Caused by: java.lang.IllegalArgumentException: Can't create an instance of class e.b.a, requires a public no-arg constructor: java.lang.NoSuchMethodException: []
at com.sun.jna.Klass.newInstance()
at com.sun.jna.NativeMappedConverter.defaultValue()
at com.sun.jna.NativeMappedConverter.()
at com.sun.jna.NativeMappedConverter.getInstance()
at com.sun.jna.Structure$FFIType.get()
at com.sun.jna.Structure$FFIType.get()
at com.sun.jna.Native.register()
at com.sun.jna.Native.register()
at org.vosk.LibVosk.()
... 7 more
Caused by: java.lang.NoSuchMethodException: []
at java.lang.Class.getConstructor0(Class.java:2204)
at java.lang.Class.getDeclaredConstructor(Class.java:2050)
... 16 more

[nshmyrev]

Hi

You likely need to edit minify project properties to keep required jni files. See here

https://stackoverflow.com/questions/57005617/java-lang-unsatisfiedlinkerror-cant-obtain-class-com-sun-jna-pointer-neurotec

[mmhmofu]

Hi

You likely need to edit minify project properties to keep required jni files. See here

https://stackoverflow.com/questions/57005617/java-lang-unsatisfiedlinkerror-cant-obtain-class-com-sun-jna-pointer-neurotec

I already edit proguard-rules.pro file，it turns into another exception

[mmhmofu]

Hi

You likely need to edit minify project properties to keep required jni files. See here

https://stackoverflow.com/questions/57005617/java-lang-unsatisfiedlinkerror-cant-obtain-class-com-sun-jna-pointer-neurotec

same question in vosk-android-demo

[mmhmofu]

Hi

You likely need to edit minify project properties to keep required jni files. See here

https://stackoverflow.com/questions/57005617/java-lang-unsatisfiedlinkerror-cant-obtain-class-com-sun-jna-pointer-neurotec

should add blew rule both
-keep class com.sun.jna.* { ; }
-keepclassmembers class * extends com.sun.jna. { public *; }
this can be help,thanks

[dr0-dev]

this is not enough, I tried adding it and it still crashes

Native library (com/sun/jna/android-arm/libjnidispatch.so) not found in resource path (.)

[mmhmofu]

this is not enough, I tried adding it and it still crashes

Native library (com/sun/jna/android-arm/libjnidispatch.so) not found in resource path (.)

try clean your project and rebuild , check the dependency