Let’s take care of the Java side first:
Create a new hybrid Java/C++ project like shown in the previous chapter:
Name it
Store.Its main package is
com.packtpub.Its main activity is
StoreActivity.Do not forget to create a
jnidirectory at project’s root.
Let’s work on the Java side first, which is going to contain three source files:
Store.java,StoreType.java, andStoreActivity.java.Create a new class
Storewhich loads the eponym native library and defines the functionalities our key/value store provides.Storeis a front-end to our native code. To get started, it supports only integers and strings:public class Store { static { System.loadLibrary("store"); } public native int getInteger(String pKey); public native void setInteger(String pKey, int pInt); public native String getString(String pKey); public native void setString(String pKey, String pString); }Create
StoreType.javawith an enumeration specifying...