package com.example.ndk_test; public class MyJni { public static native float[] accFromByte_Characteristics(double[] dArr, int i, int i2); public static native fft_Data accFromByte_fft(double[] dArr, int i, int i2); public static native float[] distanceFromByte_Characteristics(double[] dArr, int i, int i2); public static native fft_Data distanceFromByte_fft(double[] dArr, int i, int i2); public static native fft_Data getStruct(); public static native float[] speedFromByte_Characteristics(double[] dArr, int i, int i2); public static native fft_Data speedFromByte_fft(double[] dArr, int i, int i2); static { System.loadLibrary("MyJni"); } }