facebook 接入
1.在 facebook 后台 配置 ios 平台, 获取 fb appid
store id 可以先随便找一个已存在的填入进去.
2.CocoaPods 引入几个核心库
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pod 'FBSDKCoreKit', '~> 9.0.1'pod 'FBSDKLoginKit', '~> 9.0.1'pod 'FBSDKShareKit', '~> 9.0.1' |
pod 工程构建出 静态库丢到 /Users/XXX/Library/Developer/Xcode/DerivedData/Build/Products 对应 真机/模拟器 的目录下, 然项目工程编译时可以链接到静态库
3.在 info.plist 文件的 <dict>...</dict> 内加入配置
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<key>CFBundleURLTypes</key><array> <dict> <key>CFBundleURLSchemes</key> <array> <string>fb[APP_ID]</string> </array> </dict></array> <key>FacebookAppID</key><string>[APP_ID]</string><key>FacebookDisplayName</key><string>[APP_NAME]</string><key>LSApplicationQueriesSchemes</key><array> <string>fbapi</string> <string>fbapi20130214</string> <string>fbapi20130410</string> <string>fbapi20130702</string> <string>fbapi20131010</string> <string>fbapi20131219</string> <string>fbapi20140410</string> <string>fbapi20140116</string> <string>fbapi20150313</string> <string>fbapi20150629</string> <string>fbapi20160328</string> <string>fbauth</string> <string>fb-messenger-share-api</string> <string>fbauth2</string> <string>fbshareextension</string></array> |
[APP_ID] 替换 fb appid.
[APP_NAME] 替换为 app 名.
4.代码
在 app 启动完后初始化 sdk
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// AppDelegate.m @implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions]; return YES;}- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url options:(nonnull NSDictionary<UIApplicationOpenURLOptionsKey, id> *)options{ [[FBSDKApplicationDelegate sharedInstance] application:application openURL:url options:options]; return YES;} |
iOS 13 将打开网址的功能移到了 SceneDelegate 中
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// SceneDelegate.m#import <FBSDKCoreKit/FBSDKCoreKit.h>@import FacebookCore;@implementation SceneDelegate- (void)scene:(UIScene *)scene openURLContexts:(NSSet<UIOpenURLContext *> *)URLContexts{ UIOpenURLContext *context = URLContexts.allObjects.firstObject; [FBSDKApplicationDelegate.sharedInstance application:UIApplication.sharedApplication openURL:context.URL sourceApplication:context.options.sourceApplication annotation:context.options.annotation];} |
登录, 登出, 获取用户信息, 展示 登录页面
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#import "FBHelper.h"#import <FBSDKCoreKit/FBSDKCoreKit.h>#import <FBSDKLoginKit/FBSDKLoginKit.h>@implementation FBHelperstatic FBHelper *_sharedIns = nil;+(instancetype) shareInstance { static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ _sharedIns = [[self alloc] init] ; }) ; return _sharedIns ;}-(void)showLoginBtn:(UIView*)view{ FBSDKLoginButton *loginButton = [[FBSDKLoginButton alloc] init]; loginButton.center = view.center; [view addSubview:loginButton];}-(void)login:(UIViewController*)vc{ FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init]; [login logInWithPermissions:@[@"publish_actions"] fromViewController:vc handler:^(FBSDKLoginManagerLoginResult *result, NSError *error) { if (error) { NSLog(@"--- login fail, err: %@", error); return; } FBSDKAccessToken* accessToken = [FBSDKAccessToken currentAccessToken]; if (accessToken) { NSLog(@"--- login success, userId: %@, token: %@", accessToken.userID, accessToken.tokenString); return; } NSLog(@"--- login cancel"); }];}-(void)logout{ if ([FBSDKAccessToken currentAccessToken]) { NSLog(@"--- has accessToken"); FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init]; [login logOut]; } else { NSLog(@"--- no accessToken"); }}-(void)getUserData{ if ([FBSDKAccessToken currentAccessToken]) { if ([FBSDKAccessToken currentAccessToken]) { [[[FBSDKGraphRequest alloc] initWithGraphPath:@"me?fields=id,name,token_for_business" parameters:nil] startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) { if (!error) { NSLog(@"--- fetched success, result: %@", result); } else { NSLog(@"--- fetched error: %@", error); } }]; } } else { NSLog(@"--- no accessToken"); }}@end |
踩坑
编译报错: 找不到 swift 相关文件
报错: Undefined symbol: __swift_FORCE_LOAD_$_
原因是因为 sdk 使用了 swift, 而工程配置里没有配置 swift 头文件搜索的路径.
解决办法很简单: 创建一个 swift 文件即可, xcode 会提示创建桥接文件 Create Bridging Header
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