Android NDK C++ JNI (no implementation found for native…)

Question

I\'m trying to use the NDK with C++ and can\'t seem to get the method naming convention correct. my native method is as follows:

extern \"C\" {
JNIEXPORT voi         


        

Answer 1

If your package name includes _ character, you should write 1(one) after _ character as shown below:

MainActivity.java

package com.example.testcpp_2;

native-lib.cpp

JNICALL
Java_com_example_testcpp_12_MainActivity_stringFromJNI(