我正在构建一个iOS app并使用UIStoryBoard.我已将Facebook SDK集成到我的应用程序中。
我想实现native应用程序登录意味着当用户单击我的应用程序中Facebook按钮时，它通过登录Facebook app否则通过 Web 视图Facebook dialog在设备中安装。
我在Facebook SDK中实现了与示例中相同的代码Scrumptious但它不起作用，单击按钮 Web 视图弹出对话框打开Facebook也会发生同样的情况。
是否需要在Facebook developer account中对应用程序本身进行更改。
重新检查了 5-6 次代码，一切都是正确的，有人帮助我，是否有任何其他项目或教程帮助我满足我的要求。
在 Appdelegate.m 文件中添加代码
#import <FacebookSDK/FacebookSDK.h>
- (void)applicationDidBecomeActive:(UIApplication *)application
{
[FBAppEvents activateApp];
}
- (BOOL)application:(UIApplication *)application
openURL:(NSURL *)urlsourceApplication:(NSString *)sourceApplication
annotation:(id)annotation {
// attempt to extract a token from the url
return [FBAppCall handleOpenURL:url sourceApplication:sourceApplication];
}
把这是viewcontrol.m文件，并在按钮点击事件中调用FacebookLogin方法。
#import <FacebookSDK/FacebookSDK.h>
#import <Social/Social.h>
#import "FBSignupVC.h"
NSString *const SCSessionStateChangedNotificationCamera1 =
@"com.facebook.Scrumption:SCSessionStateChangedNotification";
@interface HomeVC ()
@property (nonatomic, retain) ACAccountStore*accountStore;
@property (nonatomic, retain) ACAccount *facebookAccount;
@end
@implementation ViewController
Add “FBLoginViewDelegate” in view controller.h file
-(void)FacebookLogin
{
FBLoginView *loginview = [[FBLoginView alloc] init];
loginview.delegate = self;
[self.view addSubview:loginview];
if(!_accountStore)
{
_accountStore = [[ACAccountStore alloc] init];
[FBSession setActiveSession:nil];
}
ACAccountType *facebookTypeAccount = [_accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierFacebook];
[_accountStore requestAccessToAccountsWithType:facebookTypeAccount
options:@{ACFacebookAppIdKey: @“App”ID, ACFacebookPermissionsKey: @[@"email"]}
completion:^(BOOL granted, NSError *error) {
if(granted){
NSArray *accounts = [_accountStore accountsWithAccountType:facebookTypeAccount];
_facebookAccount = [accounts lastObject];
////NSLog(@"Success");
ACAccountCredential *fbCredential = [self.facebookAccount credential];
NSLog(@"fbCredential: %@",fbCredential);
NSLog(@"fbAccessToken : %@", [fbCredential oauthToken]);
}else{
////NSLog(@"Fail");
NSLog(@"Error: %@", error);
dispatch_async(dispatch_get_main_queue(), ^{
[self openSessionWithAllowLoginUI:YES];
});
}
}];
}
- (BOOL)openSessionWithAllowLoginUI:(BOOL)allowLoginUI
{
NSArray *permissions = [[NSArray alloc] initWithObjects: @"publish_actions",@"public_profile",@"email",@"user_friends", nil];
return [FBSession openActiveSessionWithPublishPermissions:permissions defaultAudience:FBSessionDefaultAudienceFriends allowLoginUI:allowLoginUI completionHandler:^(FBSession *session, FBSessionState state, NSError *error)
{
if (!error)
{
[self sessionStateChanged:session state:state error:error];
}
else
{
NSLog(@"%@",error);
}
}];
}
- (void)sessionStateChanged:(FBSession *)session state:(FBSessionState)state error:(NSError *)error {
switch (state) {
case FBSessionStateOpen: {
if (self != nil) {
[[FBRequest requestForMe] startWithCompletionHandler: ^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
if (error) {
NSLog(@"%@",error);
//error
}else{
if ([FBSession.activeSession.permissions indexOfObject:@"publish_actions"] == NSNotFound) {
NSArray *permissions = [[NSArray alloc] initWithObjects: @"publish_actions",@"public_profile",@"email",@"user_friends", nil];
[FBSession.activeSession reauthorizeWithPublishPermissions:permissions defaultAudience:FBSessionDefaultAudienceFriends completionHandler:^(FBSession *session, NSError *error) {
if (!error) {
[[FBRequest requestForMe] startWithCompletionHandler:^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
if (!error) {
dispatch_async(dispatch_get_main_queue(), ^{
});
}
}];
}
else {
}
}];
}
else {
////NSLog(@"session 2");
[[FBRequest requestForMe] startWithCompletionHandler:^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
if (!error) {
dispatch_async(dispatch_get_main_queue(), ^{
});
}
}];
}
}
}];
}
FBCacheDescriptor *cacheDescriptor = [FBFriendPickerViewController cacheDescriptor];
[cacheDescriptor prefetchAndCacheForSession:session];
}
break;
case FBSessionStateClosed: {
UIViewController *topViewController = [self.navigationController topViewController];
UIViewController *modalViewController = [topViewController modalViewController];
if (modalViewController != nil) {
[topViewController dismissViewControllerAnimated:YES completion:nil];
}
//[self.navigationController popToRootViewControllerAnimated:NO];
}
break;
case FBSessionStateClosedLoginFailed: {
}
break;
default:
break;
}
[[NSNotificationCenter defaultCenter] postNotificationName:SCSessionStateChangedNotificationCamera1 object:session];
if (error) {
}
}
+ (NSString *)FBErrorCodeDescription:(FBErrorCode) code
{
switch(code)
{
case FBErrorInvalid :
{
return @"FBErrorInvalid";
}
case FBErrorOperationCancelled:
{
return @"FBErrorOperationCancelled";
}
case FBErrorLoginFailedOrCancelled:
{
return @"FBErrorLoginFailedOrCancelled";
}
case FBErrorRequestConnectionApi:
{
return @"FBErrorRequestConnectionApi";
}case FBErrorProtocolMismatch:
{
return @"FBErrorProtocolMismatch";
}
case FBErrorHTTPError:
{
return @"FBErrorHTTPError";
}
case FBErrorNonTextMimeTypeReturned:
{
return @"FBErrorNonTextMimeTypeReturned";
}
default:
return @"[Unknown]";
}
}
- (void)loginViewFetchedUserInfo:(FBLoginView *)loginView user:(id<FBGraphUser>)user
{
NSLog(@"User: %@",user);
NSLog(@"UserName: %@",user.name);
NSLog(@"usr_id::%@",user.id);
NSLog(@"usr_first_name::%@",user.first_name);
NSLog(@"usr_Username::%@",user.username);
NSLog(@"location: %@",user.location.name);
NSLog(@"birthday: %@",user.birthday);
NSLog(@"gender: %@",[user objectForKey:@"gender"]);
}
- (void)loginViewShowingLoggedOutUser:(FBLoginView *)loginView
{
FBShareDialogParams *p = [[FBShareDialogParams alloc] init];
p.link = [NSURL URLWithString:@"http://developers.facebook.com/ios"];
}
- (void)loginView:(FBLoginView *)loginView handleError:(NSError *)error
{
[FBSession setActiveSession: [[FBSession alloc] initWithPermissions:FBSession.activeSession.permissions] ];
[[FBSession activeSession] openWithBehavior:FBSessionLoginBehaviorForcingWebView completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
switch (status) {
case FBSessionStateOpen:
break;
case FBSessionStateClosedLoginFailed:
{
NSString *errorCode = [[error userInfo] objectForKey:FBErrorLoginFailedOriginalErrorCode];
NSString *errorReason = [[error userInfo] objectForKey:FBErrorLoginFailedReason];
BOOL userDidCancel = !errorCode && (!errorReason ||
[errorReason isEqualToString:FBErrorLoginFailedReasonInlineCancelledValue]);
}
break;
default:
break;
}
}];
}
-(BOOL) application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
if (url != nil)
{
NSLog(@"url:%@",url);
return [[FBSession activeSession] handleOpenURL:url];
}
return NO;
}
- (void)applicationWillTerminate:(UIApplication *)application
{
[[FBSession activeSession] close];
}
- (void) getAppUsers
{
FBRequest *request = [FBRequest requestForMyFriends];
[request startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
NSLog(@"result : %@",result[@"data"]);
}];
}