Thx for your solution!!!

// // InboxViewController.m // Ribbit // // Copyright (c) 2013 Treehouse. All rights reserved. //

import "InboxViewController.h"

import "ImageViewController.h"

@interface InboxViewController ()

@end

@implementation InboxViewController

• (void)viewDidLoad { [super viewDidLoad];

  self.moviePlayer = [[MPMoviePlayerController alloc] init];

  PFUser *currentUser = [PFUser currentUser]; if (currentUser) { NSLog(@"Current user: %@", currentUser.username); } else { [self performSegueWithIdentifier:@"showLogin" sender:self]; } }

• (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated];

  PFQuery *query = [PFQuery queryWithClassName:@"Messages"]; [query whereKey:@"recipientIds" equalTo:[[PFUser currentUser] objectId]]; [query orderByDescending:@"createdAt"]; [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) { if (error) { NSLog(@"Error: %@ %@", error, [error userInfo]); } else { // We found messages! self.messages = objects; [self.tableView reloadData]; NSLog(@"Retrieved %d messages", [self.messages count]); } }]; }

pragma mark - Table view data source

• (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; }

• (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [self.messages count]; }

• (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];

  PFObject *message = [self.messages objectAtIndex:indexPath.row]; cell.textLabel.text = [message objectForKey:@"senderName"];

  NSString *fileType = [message objectForKey:@"fileType"]; if ([fileType isEqualToString:@"image"]) { cell.imageView.image = [UIImage imageNamed:@"icon_image"]; } else { cell.imageView.image = [UIImage imageNamed:@"icon_video"]; }

  return cell; }

pragma mark - Table view delegate

• (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { self.selectedMessage = [self.messages objectAtIndex:indexPath.row]; NSString *fileType = [self.selectedMessage objectForKey:@"fileType"]; if ([fileType isEqualToString:@"image"]) { [self performSegueWithIdentifier:@"showImage" sender:self]; } else { // File type is video PFFile *videoFile = [self.selectedMessage objectForKey:@"file"]; NSURL *fileUrl = [NSURL URLWithString:videoFile.url]; self.moviePlayer.contentURL = fileUrl; [self.moviePlayer prepareToPlay]; [self.moviePlayer thumbnailImageAtTime:0 timeOption:MPMovieTimeOptionNearestKeyFrame];

  // Add it to the view controller so we can see it
  [self.view addSubview:self.moviePlayer.view];
  [self.moviePlayer setFullscreen:YES animated:YES];
  

  }

  // Delete it! NSMutableArray *recipientIds = [NSMutableArray arrayWithArray:[self.selectedMessage objectForKey:@"recipientIds"]]; NSLog(@"Recipients: %@", recipientIds);

  if ([recipientIds count] == 1) { // Last recipient - delete! [self.selectedMessage deleteInBackground]; } else { // Remove the recipient and save [recipientIds removeObject:[[PFUser currentUser] objectId]]; [self.selectedMessage setObject:recipientIds forKey:@"recipientIds"]; [self.selectedMessage saveInBackground]; }

}

• (IBAction)logout:(id)sender { [PFUser logOut]; [self performSegueWithIdentifier:@"showLogin" sender:self]; }

• (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([segue.identifier isEqualToString:@"showLogin"]) { [segue.destinationViewController setHidesBottomBarWhenPushed:YES]; } else if ([segue.identifier isEqualToString:@"showImage"]) { [segue.destinationViewController setHidesBottomBarWhenPushed:YES]; ImageViewController *imageViewController = (ImageViewController *)segue.destinationViewController; imageViewController.message = self.selectedMessage; } }

@end