ScrollView and Image Move Sample

//

//  nemesisViewController.h

//  viewTest

//

//  Created by  on 12. 1. 17..

//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface nemesisViewController : UIViewController {

    UIView *backView, *displayView;

    UIScrollView *scView;

    UIProgressView *progress;

    CGFloat init_x;

}

@property (nonatomic, retain) IBOutlet UIView *backView;

@property (nonatomic, retain) IBOutlet UIView *displayView;

@property (nonatomic, retain) IBOutlet UIScrollView *scView;

@property (nonatomic, retain) IBOutlet UIProgressView *progress;

@end

//

//  nemesisViewController.m

//  viewTest

//

//  Created by  on 12. 1. 17..

//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.

//

#import "nemesisViewController.h"

@implementation nemesisViewController

@synthesize backView, displayView, scView, progress;

- (void)didReceiveMemoryWarning

{

    NSLog(@"didReceiveMemoryWarning");

    [super didReceiveMemoryWarning];

    // Release any cached data, images, etc that aren't in use.

}

#pragma mark - View lifecycle

- (void)viewDidLoad

{

    NSLog(@"viewDidLoad");

    [super viewDidLoad];

    UIImage *image = [UIImage imageNamed:@"bar.png"];

    UIImageView *imageview = [[UIImageView alloc] initWithImage:image];

    [scView addSubview:imageview];

    init_x = scView.bounds.origin.x;

    

    // 180(M_PI), 270(M_PI + (M_PI_2) invert

    progress.transform = CGAffineTransformMakeRotation(M_PI);

    progress.progressTintColor = [UIColor redColor];

    progress.progress = 0.0f;

    // repeat 1 second 

    [NSTimer scheduledTimerWithTimeInterval:0.1f target:self selector:@selector(handleTimer:) userInfo:nil repeats:YES];

    

}

-(void)handleTimer:(NSTimer *)timer {

    NSLog(@"progress:%.2f", progress.progress);

    if (progress.progress >= 1.0f) {

        progress.progress = 0.0f;

    } else {

        progress.progress = progress.progress + 0.01f;

    }

    

    NSLog(@"x:%f", scView.bounds.origin.x);

    CGRect bounds;

    bounds = scView.bounds;

    if (fabsf(scView.bounds.origin.x) < (scView.bounds.size.width - 20)) {

        bounds = CGRectMake(scView.bounds.origin.x - 1.0f, scView.bounds.origin.y, scView.bounds.size.width, scView.bounds.size.height);

    } else {

        bounds = CGRectMake(init_x, scView.bounds.origin.y, scView.bounds.size.width, scView.bounds.size.height);

    }

    scView.bounds = bounds;    

    

}

- (void)viewDidUnload

{

    NSLog(@"viewDidUnload");

    [super viewDidUnload];

    // Release any retained subviews of the main view.

    // e.g. self.myOutlet = nil;

    self.backView = nil;

    self.displayView = nil;

    self.scView = nil;

    self.progress = nil;

}

- (void)viewWillAppear:(BOOL)animated

{

    NSLog(@"viewWillAppear");

    [super viewWillAppear:animated];

}

- (void)viewDidAppear:(BOOL)animated

{

    NSLog(@"viewDidAppear");

    [super viewDidAppear:animated];

}

- (void)viewWillDisappear:(BOOL)animated

{

    NSLog(@"viewWillDisappear");

[super viewWillDisappear:animated];

}

- (void)viewDidDisappear:(BOOL)animated

{

    NSLog(@"viewDidDisappear");

[super viewDidDisappear:animated];

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    NSLog(@"rotate message");

    // Return YES for supported orientations

    return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

@end