facebook and twitter integration for ios? - ios

Question

I am working on MPMediaplayerviewcontroller for video player in ios.. It is working fine..I am integrating Facebook and twitter for mediaplayerviewcontroller. After completion of app launch Facebook and twitter are not working..after coming from background to foreground it is working good..
This is my code.. plz help me any body. Thanks in advance…
-(void)viewDidLoad
{
mp = [[MPMoviePlayerViewController alloc]initWithContentURL:url];
[mp.view setFrame:CGRectMake(0, 0, self.view.frame.size.width,self.view.frame.size.height)];
[self presentMoviePlayerViewControllerAnimated:mp];
mp.view.frame = self.view.bounds; //Set the size
self.view.backgroundColor=[UIColor clearColor];
mp.moviePlayer.controlStyle =MPMovieControlStyleNone;
mp.moviePlayer.repeatMode = MPMovieRepeatModeOne;
mp.moviePlayer.view.userInteractionEnabled = YES;
mp.moviePlayer.movieSourceType=MPMovieSourceTypeStreaming;
[[NSNotificationCenter defaultCenter]addObserver:self selector:#selector(EnteredForeground) name:#"WillEnterForeGround" object:nil];
mp.moviePlayer prepareToPlay];
[mp.moviePlayer prepareToPlay];
[mp.moviePlayer play];
[self.view addSubview:mp.view];
-(void)EnteredForeground
{
[self.view addSubview:mp.view];
[[mp moviePlayer] play];
}
-(void)sharingAction
{
action=[[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle: nil destructiveButtonTitle: nil otherButtonTitles:#"Facebook",#"Twitter",#"Cancel", nil];
[action showInView:self.mp.moviePlayer.view];
}
- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
{
switch(buttonIndex)
{
case 0:
[self signInFb];
break;
case 1:
[self signInTwitter];
break;
default:
[self Cancel];
break;
}
}
-(void)signInFb
{
if([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {
controller = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
SLComposeViewControllerCompletionHandler myBlock = ^(SLComposeViewControllerResult result){
if (result == SLComposeViewControllerResultCancelled) {
alert=[[UIAlertView alloc]initWithTitle:#"warning" message:#"Your post canceled" delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil];
[alert show];
}
else if(oResponseData1!=nil)
{
facebookSuccessAlert=[[UIAlertView alloc]initWithTitle:#"success" message:#"Your post succesfully send" delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil];
[facebookSuccessAlert show];
}
[controller dismissViewControllerAnimated:YES completion:Nil];
};
controller.completionHandler =myBlock;
[controller setInitialText:VideoUrlString];
[controller addImage:[UIImage imageNamed:#"appIcon900x900.png"]];
[self presentViewController:controller animated:YES completion:Nil];
}
else{
NSLog(#"UnAvailable");
}
}