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一：安卓端

——到MobTech官网和微信开发者平台获取shareSDK的AppKey、AppSecret和微信的AppID、AppSecret

——在MobTech官网上下载Unity的ShareSDK并导入unitypackage文件：

——File—BuildSettings—PlayerSettings—Publishing Settings—勾选上Custom Gradle Template(集成的核心文件)和User Proguard File

——File—BuildSettings—PlayerSettings—Publishing Settings—创建并选择签名

——打开Plugins—Android—ShareSDK—AndroidManifest文件，修改Activity的name，就是在.wxapi.WXEntryActivity的activity前加上包名

——删除这两块不必要的内容

——微信规定WXEntryActivity.java类的位置必须放到 “项目包包名.wxapi” 路径下，需要生成新的jar包，熟悉Android Studio可以自己生成，不熟悉的跟客服说帮忙生成一个新的DemoCallback.jar，然后报上package的名字，等几分钟就可以收到新的jar

——微信登录实现

using System;using System.Collections;using UnityEngine;using cn.sharesdk.unity3d;using UnityEngine.SceneManagement;public class Login : MonoBehaviour{    private ShareSDK shareSDK; //ShareSDK脚本    private void Awake()    {        shareSDK = FindObjectOfType
   
    ();        shareSDK.authHandler = AuthResultHandler;        shareSDK.showUserHandler = GetUserInfoResultHandler;    }    /// 
    
    /// 按下登陆按钮    /// 
    public void OnLoginButtonDown()    {        //拉起微信        shareSDK.Authorize(PlatformType.WeChat);    }    //拉取微信成功的回调    private void AuthResultHandler(int reqID, ResponseState state, PlatformType type, Hashtable result)    {        if (state == ResponseState.Success)        {            shareSDK.GetUserInfo(PlatformType.WeChat);            Debug.Log("authorize success !");        }        else if (state == ResponseState.Fail)        {            Debug.Log("fail! throwable stack = " + result["stack"] + "; error msg = " + result["msg"]);        }        else if (state == ResponseState.Cancel)        {            Debug.Log("cancel !");        }    }    //得到用户信息成功的回调    private void GetUserInfoResultHandler(int reqID, ResponseState state, PlatformType type, Hashtable result)    {        if (state == ResponseState.Success)        {            Debug.Log("get user info result :");            Debug.Log(MiniJSON.jsonEncode(result));            //保存用户信息            PlayerPrefs.SetString("userInfo", MiniJSON.jsonEncode(result));            //切换场景            SceneManager.LoadScene("Main");        }        else if (state == ResponseState.Fail)        {            Debug.Log("fail! throwable stack = " + result["stack"] + "; error msg = " + result["msg"]);        }        else if (state == ResponseState.Cancel)        {            Debug.Log("cancel !");        }    }}/// 
    
/// 用户信息类/// 
[Serializable]public class Root{    public string nickname;    public string headimgurl;}
   

——微信分享实现

using UnityEngine;using cn.sharesdk.unity3d;using System.Collections;public class Share : MonoBehaviour{    private ShareSDK shareSDK; //ShareSDK脚本    private void Awake()    {        shareSDK = FindObjectOfType
   
    ();        shareSDK.shareHandler = ShareResultHandler;    }    /// 
    
    /// 分享的回调    /// 
    private void ShareResultHandler(int reqID, ResponseState state, PlatformType type, Hashtable result)    {        if (state == ResponseState.Success)        {            Debug.Log("share result :");            Debug.Log(MiniJSON.jsonEncode(result));        }        else if (state == ResponseState.Fail)        {            Debug.Log("fail! throwable stack = " + result["stack"] + "; error msg = " + result["msg"]);        }        else if (state == ResponseState.Cancel)        {            Debug.Log("cancel !");        }    }    /// 
    
    /// 按下分享按钮    /// 
    public void OnShareButtonDown()    {        ShareContent content = new ShareContent();        content.SetText("邀请的文字");        content.SetShareType(ContentType.Text);        //WeChat:微信朋友 WeChatMoments:朋友圈        shareSDK.ShareContent(PlatformType.WeChat, content);    }}
   

二：IOS端

三：从服务器下载头像

/// 
    /// 下载头像    /// 
    /// 头像的url    public IEnumerator DownloadHeadicon(string url)    {        if (url == null)        {            yield return null;        }        UnityWebRequest uwr = UnityWebRequest.Get(url);        DownloadHandlerTexture downloadTexture = new DownloadHandlerTexture(true);        uwr.downloadHandler = downloadTexture;        yield return uwr.SendWebRequest();        Texture2D _texture = null;        if (!(uwr.isNetworkError || uwr.isHttpError))        {            _texture = downloadTexture.texture;            headicon_img.texture = _texture;        }        else        {            Debug.Log("download Texture Error");        }    }

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