Unity与Android接口互相调用

Unity调用Android

制作jar包

1在Eclipse中创建一个安卓工程 2记住包名 com.gdidq.androidmethod 3将D:\Program Files (x86)\Unity\Editor\Data\PlaybackEngines\androidplayer\release\bin\classes,jar 引用到工程

编写java类

package com.gdidq.androidmethod;import com.unity3d.player.UnityPlayerActivity;public class UserMethod extends UnityPlayerActivity{public static int myadd(int a, int b){System.out.println("int android myadd" );return a+b;}public static void testadd(int a , int b){System.out.println("int android testadd result iS" + (a+b) );}}

导出jar包只导出这个文件就好 (涉及什么文件就勾选什么)
将导出的jar包放在指定目录工程Assets\Plugins\Android\libs\
Unity -> PlayerSettings 安卓选项中 Bundle Identifer 和包名保持一致
Unity部分关键代码

using UnityEngine;using System.Collections;public class TestManager : MonoBehaviour{    private const string AndroidJavaFacebookClass = "com.gdidq.androidmethod.UserMethod";#if UNITY_ANDROID        private AndroidJavaClass usermethod;        private AndroidJavaClass UserMethod        {            get            {                if (usermethod == null)                {                    usermethod = new AndroidJavaClass(AndroidJavaFacebookClass);                    if (usermethod == null)                    {                        throw new MissingReferenceException(string.Format("AndroidFacebook failed to load {0} class", AndroidJavaFacebookClass));                    }                }                return usermethod;            }        }#endif    // Use this for initializationvoid Start () {}// Update is called once per framevoid Update () {}    void OnGUI()    {               if (GUI.Button(new Rect(100,100,100,50),"testadd"))        {#if UNITY_ANDROID            Debug.Log("touch button in Unity");           UserMethod.CallStatic("testadd", 2,3);                       int temp =  UserMethod.CallStatic<int>("myadd", 2,3);            Debug.Log("result in unity  = " + temp);#endif        }    }}

Android调用Unity

需要引用com.unity3d.player.UnityPlayer 这个类

import com.unity3d.player.UnityPlayer;

UnityPlayer.UnitySendMessage("Unity中的GameObject","GameObject对应脚本中的函数名","传递到Unity中的string")

以传到Unity中的Main Camera为例为Main Camera 创建一个脚本在脚本中添加FromAndroid 函数

 void FromAndroid(string str)    {        Debug.Log("Unity recieve str = " + str);    }

修改java文件中的testadd函数由于改函数没有返回值试着调用Unity中的函数来将结果传递过去

public static void testadd(int a , int b){System.out.println("int android testadd result iS" + (a+b) );//对象名接受消息的方法发送的消息内容UnityPlayer.UnitySendMessage("Main Camera","FromAndroid","dong test send message to unity from android + result"+ (a+b));}

Unity与Android接口互相调用

Unity与Android接口互相调用

Unity调用Android

制作jar包

编写java类

Android调用Unity

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