我想製作一個應用程序,要求在Facebook對話框中進行身份驗證,如果Facebook應用程序安裝在iPhone或未安裝。如果我註銷Facebook,那麼它應該從Facebook註銷。我已經使用Facebook的IOS-SDK爲Facebook API我的代碼如下:打開Facebook對話框進行身份驗證,而不是iPhone中的安裝Facebook應用程序?
- (void)viewDidLoad
{
_facebook=[[Facebook alloc] initWithAppId:appId andDelegate:self];
self.navigationController.navigationBarHidden = YES;
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([defaults objectForKey:@"FBAccessTokenKey"] && [defaults objectForKey:@"FBExpirationDateKey"])
{
_facebook.accessToken = [defaults objectForKey:@"FBAccessTokenKey"];
_facebook.expirationDate = [defaults objectForKey:@"FBExpirationDateKey"];
}
[super viewDidLoad];
}
//登錄按鈕竊聽
-(IBAction)Login
{
NSLog(@"login called");
if (![self connected])
{
UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Connection" message:@"Internet is not Connected" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alert show];[alert release];
}
else
{
if (suggestion==nil)
{
suggestion=[[Suggestions alloc] initWithNibName:@"Suggestions" bundle:nil];
}
[suggestion setReqFlg:YES];
if (![_facebook isSessionValid])
{
NSLog(@"sesssion invalid u have to login...");
[_facebook authorize:nil];
}
else
{
NSLog(@"valid and going on next page called graph API ");
[_facebook requestWithGraphPath:@"me?fields=id,name" andDelegate:self];
suggestion.parentView=self;
[self.navigationController pushViewController:suggestion animated:YES];
}
}
}
- (void)fbDidLogin
{
NSLog(@"facebook did first login..");
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:[_facebook accessToken] forKey:@"FBAccessTokenKey"];
[defaults setObject:[_facebook expirationDate] forKey:@"FBExpirationDateKey"];
[defaults synchronize];
NSLog(@"called gtraph from login in facebook ");
[_facebook requestWithGraphPath:@"me?fields=id" andDelegate:self];
if (suggestion==nil)
{
suggestion=[[Suggestions alloc] initWithNibName:@"Suggestions" bundle:nil];
}
suggestion.parentView=self;
[self.navigationController pushViewController:suggestion animated:YES];
}
- (void)fbDidLogout
{
NSLog(@"logout");
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults removeObjectForKey:@"FBAccessTokenKey"];
[defaults removeObjectForKey:@"FBExpirationDateKey"];
[defaults removeObjectForKey:@"FBUserId"];
[defaults synchronize];
}
請問我有facebook.m文件或有變化是另一種方式來做到這一點。每次我點擊登錄按鈕應顯示Facebook登錄對話框,如果Facebook是註銷,並導航到下一個視圖,如果Facebook是登錄。不要打開facebook應用程序安裝在iPhone登錄目的。
提供您的評論或回答我真的需要它。 謝謝你!
上,當你運行它 – Dustin
如果我點擊登錄按鈕,它會安裝在我的iPhone authentication.I Facebook應用程序想會發生什麼在Facebook對話框中顯示它。 – Warewolf
我敢肯定,蘋果不會讓你從你自己的應用程序登錄到Facebook – Dustin