SongJiaqiang

@implementation ShareTool

+ (void)shareVideoToFacebookWithVideoURL:(NSURL *)videoAssetLibraryURL fromViewController:(UIViewController *)viewController {
    if (![[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"fb://"]]) {
        [ShareTool showAlertDialogWithTitle:@"NOTICE" andMessage:@"You Did Not Install Facebook" fromViewController:viewController];
        break;
    }

    FBSDKShareVideo *fbVideo = [[FBSDKShareVideo alloc] init];
    FBSDKShareVideoContent *fbVideoContent = [[FBSDKShareVideoContent alloc] init];

SongJiaqiang

// Get the publish permission

- (void)getPublishPermission {
  NSArray* permissions = [[NSArray alloc] initWithObjects:
                            @"publish_stream", nil];
    [facebook authorize:permissions delegate:self];
    [permissions release];

}

SongJiaqiang

-(void)shareOnFaceBook
{
    //sample_video.mov is the name of file
    NSString *filePathOfVideo = [[NSBundle mainBundle] pathForResource:@"sample_video" ofType:@"mov"];

    NSLog(@"Path  Of Video is %@", filePathOfVideo);
    NSData *videoData = [NSData dataWithContentsOfFile:filePathOfVideo];
    //you can use dataWithContentsOfURL if you have a Url of video file
    //NSData *videoData = [NSData dataWithContentsOfURL:shareURL];
    //NSLog(@"data is :%@",videoData);

SongJiaqiang

- (void)facebookLogin {
    if ([[FBSDKAccessToken currentAccessToken] hasGranted:@"publish_actions"]) {
        [self shareVideoOnFacebook];
    } else {
        FBSDKLoginManager *loginManager = [[FBSDKLoginManager alloc] init];
        [loginManager logOut];  //very important line for login to work
        [loginManager logInWithPublishPermissions:@[@"publish_actions"]
                handler:^(FBSDKLoginManagerLoginResult *result, NSError *error) {
                        if(!error) {
                            [self shareVideoOnFacebook];

SongJiaqiang

// import them, FacebookSDK.framework, FBSDKLoginKit.framework, FBSDKShareKit.framework, Bolts.framework,FBSDKCoreKit.framework
- (void)shareVideoToFacebook {
    if(![FBSDKAccessToken currentAccessToken]) {
        FBSDKLoginManager *login1 = [[FBSDKLoginManager alloc]init];
        [login1 logInWithPublishPermissions:@[@"publish_actions"] handler:^(FBSDKLoginManagerLoginResult *result, NSError *error) {
            FBSDKShareVideo *video = [[FBSDKShareVideo alloc] init];
            video.videoURL = videoAssetURL;
            FBSDKShareVideoContent *content = [[FBSDKShareVideoContent alloc] init];
            content.video = video;
            [FBSDKShareDialog showFromViewController:self withContent:content delegate:nil];

SongJiaqiang

- (void)pickVideoFromAlbum {
    UIImagePickerController *videoPicker = [[UIImagePickerController alloc] init];
    videoPicker.delegate = self;
    videoPicker.modalPresentationStyle = UIModalPresentationCurrentContext;
    videoPicker.mediaTypes =[UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypePhotoLibrary];‌​
    videoPicker.mediaTypes = @[(NSString*)kUTTypeMovie, (NSString*)kUTTypeAVIMovie, (NSString*)kUTTypeVideo, (NSString*)kUTTypeMPEG4];
    videoPicker.videoQuality = UIImagePickerControllerQualityTypeHigh;
    [self presentViewController:videoPicker animated:YES completion:nil];
}