. lang。UnsatisfiedLinkError:本机方法未找到:jni()中的错误

I m trying to do addition of two 2D Array with the use of jni with an android activity. in the android main activity class i make an object of class sample.java. And pass the field of sample class instance to the native code for addition. the sample.java as followsI m trying to do addition of two 2D Array with