1

in Java ,the native method :

public native String hello();

package name:  pack

class name: Hello

C++: method name: 

jstring
Java_pack_Hello_hello
(
    JNIEnv* env,
    jobject this
)

I use ndk compile this file ,but app crash ;

after i add this line : extern "C" into my hello.cpp the error is gone ,every thing is ok.

so why ?

User_1191
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belle tian
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1 Answers1

1

The format of method names used in JNI is different to regular C and C++ if you don't specify extern 'C' JNI will be unable to find the function to match your Java native declarations. alternatively you can try RegisterNatives()

vignesh karnika
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