walkthrough pageview controller ie contained controller

ios/iosremote/iosremote/WalkThroughPageViewController.h

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+//
+//  WalkThroughPageViewController.h
+//  iosremote
+//
+//  Created by Siqi Liu on 8/27/13.
+//  Copyright (c) 2013 libreoffice. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface WalkThroughPageViewController : UIViewController
+@property (weak, nonatomic) IBOutlet UIImageView *image;
+@property (weak, nonatomic) IBOutlet UILabel *instructionTitle;
+@property (weak, nonatomic) IBOutlet UILabel *instructionText;
+@property (weak, nonatomic) IBOutlet UIImageView *hintImage;
+@property (weak, nonatomic) IBOutlet UILabel *instructionHint;
+@property (weak, nonatomic) IBOutlet UILabel *indexLabl;
+@property (weak, nonatomic) IBOutlet UIButton *okButton;
+
+- (IBAction)okButtonHandleBack:(id)sender;
+@property (assign, nonatomic) NSInteger index;
+@end

ios/iosremote/iosremote/WalkThroughPageViewController.m

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+//
+//  WalkThroughPageViewController.m
+//  iosremote
+//
+//  Created by Siqi Liu on 8/27/13.
+//  Copyright (c) 2013 libreoffice. All rights reserved.
+//
+
+#import "WalkThroughPageViewController.h"
+
+@interface WalkThroughPageViewController ()
+
+@end
+
+@implementation WalkThroughPageViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
+{
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        // Custom initialization
+    }
+    return self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    // Do any additional setup after loading the view from its nib.
+    
+    switch (self.index) {
+        case 0:
+            [self.image setImage:[UIImage imageNamed:@"WTconnection"]];
+            self.instructionText.text = @"Connect your iOS device and your computer to the same WiFi network.";
+            self.instructionHint.text = @"Or create a personal hotspot on your computer or your iPhone if no local WiFi network is available.";
+            self.instructionTitle.text = @"Connection";
+            [self.hintImage setImage:[UIImage imageNamed:@"WTConnectionHotspot"]];
+            break;
+        case 1:
+            [self.image setImage:[UIImage imageNamed:@"WTconnecting"]];
+            self.instructionText.text = @"Launch Impress & select your computer.";
+            self.instructionHint.text = @"Enter the PIN code in SlideShow - Impress Remote";
+            self.instructionTitle.text = @"Pairing";
+            [self.hintImage setImage:[UIImage imageNamed:@"WTPairing"]];
+            break;
+        case 2:{
+            [self.image setImage:[UIImage imageNamed:@"WTcontrol"]];
+//            self.instructionText.text = @"Control your presentation at your fingertips!";
+            self.instructionTitle.text = @"Control";
+            UIImage *backgroundImage = [UIImage imageNamed:@"buttonBackground"];
+            UIEdgeInsets insets = UIEdgeInsetsMake(20, 7, 20, 7);
+            UIImage *stretchableBackgroundImage = [backgroundImage resizableImageWithCapInsets:insets];
+            
+            [self.okButton setBackgroundImage:stretchableBackgroundImage forState:UIControlStateNormal];
+            
+            self.okButton.hidden = NO;
+            break;
+        }
+        default:
+            break;
+    }
+    self.indexLabl.text = [NSString stringWithFormat:@"%d", self.index+1];
+}
+
+- (void)didReceiveMemoryWarning
+{
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+- (void)viewDidUnload {
+    [self setImage:nil];
+    [self setInstructionText:nil];
+    [self setInstructionTitle:nil];
+    [self setOkButton:nil];
+    [self setInstructionHint:nil];
+    [self setIndexLabl:nil];
+    [self setHintImage:nil];
+    [super viewDidUnload];
+}
+- (IBAction)okButtonHandleBack:(id)sender {
+    [self.navigationController popToRootViewControllerAnimated:YES];
+}
+@end