Unity3d插件开发与SDK对接实战 学习

c++:

注意x86/x64,vs2015.

#include "stdafx.h"


extern "C"
{
    int Add(int a, int b) {
        return a + b;
    }
}

LIBRARY "TestPlugin"

EXPORTS

Add @1

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

 jni:

 

 java

package com.VoidGame.test;
import android.os.Bundle;
import android.util.Log;

import com.unity3d.player.UnityPlayerActivity;

public class MyUnityActivity extends UnityPlayerActivity {
    
    public static MyUnityActivity Instance;
    
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        Instance = this;
        Log.d("OverrideActivity","my android activity called!");
    }
    
    public int java_add(int a,int b){
        return a+b;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest
    xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.unity3d.player"
    android:installLocation="preferExternal"
    android:versionCode="1"
    android:versionName="1.0">
    <supports-screens
        android:smallScreens="true"
        android:normalScreens="true"
        android:largeScreens="true"
        android:xlargeScreens="true"
        android:anyDensity="true"/>

    <application
        android:theme="@style/UnityThemeSelector"
        android:icon="@drawable/app_icon"
        android:label="@string/app_name"
        android:debuggable="true">
        <activity android:name="com.VoidGame.test.MyUnityActivity"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
        </activity>
    </application>
</manifest>

/*
脚本名称:
脚本作者:
建立时间:
脚本功能:
版本号:
*/
using UnityEngine;
using UnityEngine.UI;
using System.Collections;

namespace VoidGame {

public class Test : MonoBehaviour {

        private void Start() {

            AndroidJavaClass cls = new AndroidJavaClass("com.VoidGame.test.MyUnityActivity");
            AndroidJavaObject instance = cls.GetStatic<AndroidJavaObject>("Instance");
            int result = instance.Call<int>("java_add",1,2);
            GameObject.Find("Text").GetComponent<Text>().text = result.ToString();
        }

        private void OnGUI() {

        }
    }
}