What's X

#import "AppDelegate.h"

@implementation AppDelegate

@synthesize window = _window, tabBarController = tabBarController_, facebook = facebook_;

#pragma mark - Facebook Delegate

//登入

-(void)fbDidLogin

{

//記錄帳戶資訊

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

[defaults setObject:[facebook_ accessToken] forKey:@"FBAccessTokenKey"];

[defaults setObject:[facebook_ expirationDate] forKey:@"FBExpirationDateKey"];

[defaults synchronize];

}

//登出

-(void)fbDidLogout

{

//清除帳戶資訊

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

if ([defaults objectForKey:@"FBAccessTokenKey"]) {

[defaults removeObjectForKey:@"FBAccessTokenKey"];

[defaults removeObjectForKey:@"FBExpirationDateKey"];

[defaults synchronize];

}

//退出App

exit(1);

}

//取消登入

-(void)fbDidNotLogin:(BOOL)cancelled

{

if (cancelled) {

exit(1);

}

}

-(void)fbDidExtendToken:(NSString *)accessToken expiresAt:(NSDate *)expiresAt

{

}

-(void)fbSessionInvalidated

{

}

#pragma mark - System

//應用程式啟動

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

self.window.rootViewController = tabBarController_;

[self.window makeKeyAndVisible];

self.facebook = [[Facebook alloc]initWithAppId:kFBAppID andDelegate:self];

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

if ([defaults objectForKey:@"FBAccessTokenKey"]

&&[defaults objectForKey:@"FBExpirationDateKey"]) {

self.facebook.accessToken = [defaults objectForKey:@"FBAccessTokenKey"];

self.facebook.expirationDate = [defaults objectForKey:@"FBExpirationDateKey"];

}

if (![self.facebook isSessionValid]) {

[facebook_ authorize:nil];

}else{

//取得相關授權

NSArray *permissions = [[NSArray alloc] initWithObjects:

@"user_likes",

@"read_stream",

@"user_birthday",

nil];

[self.facebook authorize:permissions];

}

return YES;

}

-(BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url

{

return [self.facebook handleOpenURL:url];

}

-(BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation

{

return [self.facebook handleOpenURL:url];

}

#import "Facebook.h"

@interface LoginViewController : UIViewController<FBRequestDelegate>

{

UIImageView *fbImageView_;

UILabel *fbUserName_;

UILabel *fbGender_;

UILabel *fbBirthday_;

}

@property (strong, nonatomic)IBOutlet UIImageView *fbImageView;

@property (strong, nonatomic) IBOutlet UILabel *fbUserName;

@property (strong, nonatomic) IBOutlet UILabel *fbGender;

@property (strong, nonatomic) IBOutlet UILabel *fbBirthday;

- (IBAction)fbMyInfo:(id)sender;

@end

#import "AppDelegate.h"

@interface LoginViewController ()

{

//應用程式的委派

AppDelegate *appDelegate_;

//取得facebook的結果

NSDictionary *fbResult_;

}

@end

@implementation LoginViewController

@synthesize fbImageView = fbImageView_;

@synthesize fbUserName = fbUserName_;

@synthesize fbGender = fbGender_;

@synthesize fbBirthday = fbBirthday_;

#pragma mark - facebok FBRequestDelegate 請求資料後處理

-(void)requestLoading:(FBRequest *)request

{

//NSLog(@"%@",[request description]);

}

-(void)request:(FBRequest *)request didFailWithError:(NSError *)error

{

NSLog(@"Fail");

}

-(void)request:(FBRequest *)request didLoad:(id)result

{

if ([result isKindOfClass:[NSDictionary class]]) {

//暫存facebook資料

fbResult_ = [[NSDictionary alloc]initWithDictionary:result];

//使用者的照片

NSURL *url = [NSURL URLWithString:[NSString stringWithFormat: @"https://graph.facebook.com/%@/picture?type=small",[result objectForKey:@"id"]]];

NSData *imageData = [NSData dataWithContentsOfURL:url];

self.fbImageView.image = [UIImage imageWithData:imageData];

//稱呼

self.fbUserName.text = [result objectForKey:@"name"];

//性別

self.fbGender.text = ([[result objectForKey:@"gender"]isEqualToString:@"male"] ?@"男":@"女");

//計算年齡

NSDateFormatter *dateFormate = [[NSDateFormatter alloc]init];

dateFormate.dateFormat = @"MM/dd/yyyy";

NSDate *birthday = [dateFormate dateFromString:[result objectForKey:@"birthday"]];

NSTimeInterval dateDiff = [birthday timeIntervalSinceNow];

int age=trunc(dateDiff/(60*60*24))/365 *-1;

self.fbBirthday.text = [NSString stringWithFormat:@"%i",age];

}

}

//登出

- (void)fbLogout {

[appDelegate_.facebook logout];

}

//瀏覽更多資訊

- (IBAction)fbMyInfo:(id)sender {

NSString *myInfo = [fbResult_ objectForKey:@"link"];

[[UIApplication sharedApplication]openURL:[NSURL URLWithString:myInfo]];

}

#pragma mark - system

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewDidLoad

{

[super viewDidLoad];

//取得應用程式的委派

appDelegate_ = (AppDelegate*)[UIApplication sharedApplication].delegate;

// Do any additional setup after loading the view from its nib.

self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"Logout"

style:UIBarButtonItemStyleBordered

target:self

action:@selector(fbLogout)];

NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:

@"name,picture,gender,link,birthday", @"fields",

nil];

NSLog(@"查詢參數： %@",params);

//執行facebook的查詢

[[appDelegate_ facebook] requestWithGraphPath:@"me" andParams:params andDelegate:self];

}

- (void)viewDidUnload

{

[self setFbUserName:nil];

[self setFbGender:nil];

[self setFbBirthday:nil];

[self setFbImageView:nil];

[super viewDidUnload];

// Release any retained subviews of the main view.

// e.g. self.myOutlet = nil;

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

@end

@"name,picture,gender,link,birthday", @"fields",nil];

[[appDelegate_ facebook] requestWithGraphPath:@"me" andParams:params andDelegate:self];

[facebook_ authorize:nil];

}else{

//取得相關授權

NSArray *permissions = [[NSArray alloc] initWithObjects:

@"user_likes",

@"read_stream",

@"user_birthday",

nil];

[self.facebook authorize:permissions];

}

[[appDelegate_ facebook] requestWithGraphPath:@"me/friendlists" andDelegate:self];

[[appDelegate_ facebook] requestWithGraphPath:@"me/friends" andDelegate:self];
還有要參考Facebook Api

//發送邀請
NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
@"Come check out my app.",  @"message",nil];
[[appDelegate_ facebook] dialog:@"apprequests" andParams:params andDelegate:self];
//發佈訊息到塗鴨牆
[[appDelegate_ facebook] dialog:@"feed" andDelegate:self];