c++:

注意x86/x64,vs2015.

1 #include "stdafx.h"2 3 4 extern "C"5 {6     int Add(int a, int b) {7         return a + b;8     }9 }

1 LIBRARY "TestPlugin"2 3 EXPORTS4 5 Add @1

1 public class Test : MonoBehaviour {2         3     private void Start() {4         Debug.Log(PluginDefine.Add(1,2));5     }6 }

 jni:

 

 java

1 package com.VoidGame.test; 2 import android.os.Bundle; 3 import android.util.Log; 4  5 import com.unity3d.player.UnityPlayerActivity; 6  7 public class MyUnityActivity extends UnityPlayerActivity { 8      9     public static MyUnityActivity Instance;10     11     protected void onCreate(Bundle savedInstanceState){12         super.onCreate(savedInstanceState);13         Instance = this;14         Log.d("OverrideActivity","my android activity called!");15     }16     17     public int java_add(int a,int b){18         return a+b;19     }20 }

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        28     29 
       
      

1 /* 2 脚本名称: 3 脚本作者: 4 建立时间: 5 脚本功能: 6 版本号: 7 */ 8 using UnityEngine; 9 using UnityEngine.UI;10 using System.Collections;11 12 namespace VoidGame {13 14 public class Test : MonoBehaviour {15 16         private void Start() {17 18             AndroidJavaClass cls = new AndroidJavaClass("com.VoidGame.test.MyUnityActivity");19             AndroidJavaObject instance = cls.GetStatic
      
       ("Instance");20             int result = instance.Call
       
        ("java_add",1,2);21             GameObject.Find("Text").GetComponent
        
         ().text = result.ToString();22         }23 24         private void OnGUI() {25 26         }27     }28 }