我正在尝试将图像发布到 Facebook。昨天我得到它，但今天我再次测试它并不起作用：S。我找不到问题。我修改了一些东西，但没有修改 Facebook 与之交互的方法。我希望有一个人可以帮助我。
我在 viewController 中得到了所有内容，因为它仅在用户请求时登录。
我调试了它，只有“publishFacebook”被调用，因为我调用它。它去 Facebook 并请求权限，然后你返回，没有任何反应。
URL 方案是正确的。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<array>
<dict>
<key>CFBundleURLSchemes</key>
<array>
<string>fb235694579858240</string>
</array>
</dict>
</array>
</plist>
视图控制器.h
导入“FBConnect.h”
@interface ViewController : UIViewController <UIImagePickerControllerDelegate, UIActionSheetDelegate, UIGestureRecognizerDelegate, MFMailComposeViewControllerDelegate, FBSessionDelegate, FBDialogDelegate, FBRequestDelegate>
@property (nonatomic, retain) Facebook *facebook;
-(void)postWall;
视图控制器.m
-(void) publishFacebook:(UIImage *)img {
//start the facebook action by clicking any button
_publishedImage = img;
_facebook = [[Facebook alloc] initWithAppId:@"235694579858240" andDelegate:self];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([defaults objectForKey:@"FBAccessTokenKey"] && [defaults objectForKey:@"FBExpirationDateKey"]) {
_facebook.accessToken = [defaults objectForKey:@"FBAccessTokenKey"];
_facebook.expirationDate = [defaults objectForKey:@"FBExpirationDateKey"];
}
if (![_facebook isSessionValid]) {
NSArray *permissions = [[NSArray alloc] initWithObjects:
@"user_photos",
@"user_likes",
@"read_stream",
nil];
_facebook.sessionDelegate = self;
[_facebook authorize:permissions];
}else{
[self postWall];
}
}
- (void)fbDidLogin {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:[_facebook accessToken] forKey:@"FBAccessTokenKey"];
[defaults setObject:[_facebook expirationDate] forKey:@"FBExpirationDateKey"];
[defaults synchronize];
[self postWall];
}
- (void)postWall{
//NSString *filePath = [[NSBundle mainBundle] pathForResource:@"image" ofType:@"png"];
NSData *imageData = UIImagePNGRepresentation(_publishedImage);
//[NSData dataWithContentsOfFile:filePath]
NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
@"Check out my awesome image!. I make it with Trolling for iOS", @"message", imageData, @"source", nil];
[_facebook requestWithGraphPath:@"me/photos" andParams:params andHttpMethod:@"POST" andDelegate:self];
NSLog(@"Image posted");
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Image Posted" message:@"Your image was successfully posted of facebook" delegate:nil cancelButtonTitle:@"Dismiss" otherButtonTitles:nil];
[alertView show];
}
-(void)fbDidNotLogin:(BOOL)cancelled{
if (cancelled) {
UIAlertView *alertView=[[UIAlertView alloc]initWithTitle:@"Could not Login" message:@"Facebook Cannot login please try again" delegate:self cancelButtonTitle:@"Dismiss" otherButtonTitles: nil];
[alertView show];
}
}
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
return [_facebook handleOpenURL:url];
}
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
return [_facebook handleOpenURL:url];
}
谢谢