untiy接入微信SDK實現iOS分享功能

說明：
使用平臺：mac電腦

Unity處理

進入微信開發者官網申請應用

2.下載微信的開發工具包sdk導入untiy的 Assest/Plugins/iOS/WechatSDK 目錄下

3.在Assest/Plugins/iOS下新建.h文件 CustomAppController.mm,為了Xcode打包的時候用自己定義的AppController，微信官方也說過要重寫一些方法

// CustomAppController.mm #import "WXApiManager.h"#import "UnityAppController.h" @interface CustomAppController : UnityAppController @endIMPL_APP_CONTROLLER_SUBCLASS (CustomAppController)@implementation CustomAppController- (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions {[super application:application didFinishLaunchingWithOptions:launchOptions];// TODOreturn YES; }- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {return [WXApi handleOpenURL:url delegate:[WXApiManager sharedManager]]; }- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {return [WXApi handleOpenURL:url delegate:[WXApiManager sharedManager]]; }- (BOOL)application:(UIApplication *)application continueUserActivity:(NSUserActivity *)userActivity restorationHandler:(void(^)(NSArray<id<UIUserActivityRestoring>> * __nullable restorableObjects))restorationHandler {return [WXApi handleOpenUniversalLink:userActivity delegate:[WXApiManager sharedManager]]; }@end

4.在Assest/Plugins/iOS下新建WeChatUnity文件夾，處理unity和微信sdk的通信，并在此文件夾下新建.h文件：WXApiManager.h

// WXApiManager.h#import <Foundation/Foundation.h> #import "WXApi.h"@interface WXApiManager : UIResponder<UIApplicationDelegate, WXApiDelegate>+ (instancetype)sharedManager;@end

5.在Assest/Plugins/iOS/WeChatUnity下新建WeChatUnity.mm文件，負責微信sdk的初始化和分享功能的封裝

// WeChatUnity.mm#import <Foundation/Foundation.h> #import "WXApiManager.h"#define UNITY_CS_API extern "C"static NSString *mWXAppid = nil;// 將c字符串const char* 轉為 oc字符串NSString static inline NSString * str_c2ns(const char*s) {if (s)return [NSString stringWithUTF8String: s];elsereturn [NSString stringWithUTF8String: ""]; }// 初始化 UNITY_CS_API void UnityWeChatInit(const char* appId, const char* universalLink) {mWXAppid = str_c2ns(appId);[WXApi registerApp:mWXAppid universalLink:str_c2ns(universalLink)]; }// 封裝分享接口UNITY_CS_API void UnityWeChatLogin(const char* state) {NSLog(@"UnityWeChatLogin");// 此時會拉起微信，授權后會回調WXApiManager的onResp方法SendMessageToWXReq *req = [[SendMessageToWXReq alloc] init];req.bText = YES;req.text = @"分享的內容";req.scene = WXSceneSession;[WXApi sendReq:req completion:^(BOOL success){NSLog(@"微信分享:%@", success ? @"成功" : @"失敗");}]; }

6.注冊回調，在Assest/Plugins/iOS/WeChatUnity下新建WXApiManager.mm，編寫分享的回調

#import "WXApiManager.h"@implementation WXApiManager// 單例 +(instancetype)sharedManager {static dispatch_once_t onceToken;static WXApiManager *instance;dispatch_once(&onceToken, ^{instance = [[WXApiManager alloc] init];});return instance; }- (void)onReq:(BaseReq *)req {// TODO 微信回調，從微信端主動發送過來的請求 }// WXApiManager.mm- (void)onResp:(BaseResp *)resp {if ([resp isKindOfClass:[SendMessageToWXReq class]]) {NSLog(@"微信授權回調");if (resp.errCode == 0) {UnitySendMessage("SDKCallBack", "WeChatLoginCallback", "234");//象征性傳一個234}else{// 失敗，回調給UnityUnitySendMessage("SDKCallBack", "WeChatLoginCallback", "");}} } @end

7.看到上面的回調會調用unity方法了吧，我們需要建一個SDKCallBack類，里面寫個WeChatLoginCallback方法。

// SDKCallBack.csusing UnityEngine;public class SDKCallBack : MonoBehaviour {/// <summary>/// 分享回調/// </summary>/// <param name="callBackInfo"></param>public void WechatLoginCallback(string callBackInfo){if (string.IsNullOrEmpty(callBackInfo)){// TODO 分享失敗，請重試Debug.LogWarning("分享失敗");}else{Debug.LogWarning("分享成功");}} }

8.建立c#腳本WechatSDK.cs進行sdk的初始化,方法是UnityWeChatLogin代表分享意思

// WeChatSDK.csusing System.Runtime.InteropServices; using UnityEngine;public class WeChatSDK {public static void Init(){ #if UNITY_IOSUnityWeChatInit(@"你的AppId", "你的Universal Links"); #elif UNITY_ANDROID// TODO Android的調用 #endif}#if UNITY_IOS[DllImport("__Internal")]static extern void UnityWeChatInit(string appId, string universalLink); #endif// 登錄public static void Login(){ #if UNITY_IOS// "app_wechat"為傳給分享的數據UnityWeChatLogin("app_wechat"); #elif UNITY_ANDROID// TODO Android的調用 #endif}#if UNITY_IOS[DllImport("__Internal")]static extern void UnityWeChatLogin(string state); #endif}

9.untiy這邊的處理就完了，建一個Test腳本做sdk的初始化，UI按鈕點擊調用分享的功能吧

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; public class Test : MonoBehaviour {public Button loginBtn;// Start is called before the first frame updatevoid Start(){WeChatSDK.Init();//初始化微信SDKloginBtn.onClick.AddListener(()=> {Debug.Log("開始分享");WeChatSDK.Login(); });} }

10.最后打包Xcode項目

Xcode處理

通過 CocoaPods 集成微信sdk

1.Xcode項目的根目錄打開控制臺，輸入命令：touch podfile,會看到這個名字的文件，打開它并編寫

# Uncomment the next line to define a global platform for your projectplatform :ios, '11.0'target 'Unity-iPhone' do//'引號內為你的Xcode項目名字，我的默認叫Unity-iPhone'# Uncomment the next line if you're using Swift or would like to use dynamic frameworks# use_frameworks!# Pods for 項目文件名，目前為止最新的已經到1.8.4pod 'WechatOpenSDK'end

2.繼續在根目錄控制臺輸入：pod install,等待完成安裝微信的WechatOpenSDK
3.打開.xcworkspace工程，在info里輸入微信的3個白名單，info的改變代碼：

<key>LSApplicationQueriesSchemes</key><array><!-- 微信 URL Scheme 白名單--><string>weixinULAPI</string><string>weixin</string><string>weixinURLParamsAPI</string> </array>

重啟項目后就可以在info看到這個key
4.Xcode打包ios的簽名證書啥的看其他博客，這里跳過。
5.開始打包，我打包中遇到了這些問題：

解決：這里只需要在Xcode中將BitCode改為No
還有這個錯，是缺少WebKit
解決：添加webkit
最后打包測試

video

點擊按鈕跳轉到微信分享，由于App還在審核中，我隨便加的Appid和Universal Links，所以有這個錯，不過我們已經可以調用打開微信進行分享了，應用審核完就填入正確的Appid和Universal Links，就不會有這個窗口了！

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