PhoneGap / Cordova Splash Screen Fix

hideSplashScreen.m

- (void) hideSplashScreen
{
     
 
    [UIView beginAnimations:@"fade out" context:nil];
    [UIView setAnimationDelay: 0.2];

    [UIView setAnimationDuration:0.3];
      
    self.splashView.alpha = 0.0;
    [UIView commitAnimations];
   
    
}

MainViewController.h

#ifdef CORDOVA_FRAMEWORK
    #import <Cordova/CDVViewController.h>
#else
    #import "CDVViewController.h"
#endif

@interface MainViewController : CDVViewController

@property (nonatomic, readwrite, retain) UIImageView *splashView;

- (void) showSplashScreen;
- (void) hideSplashScreen;


@end

MainViewController.m

#import "MainViewController.h"


#define degreesToRadian(x) (M_PI * (x) / 180.0)

@implementation MainViewController

@synthesize splashView;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}


- (void) hideSplashScreen
{
     
 
    [UIView beginAnimations:@"fade out" context:nil];
    [UIView setAnimationDelay: 0.2];

    [UIView setAnimationDuration:0.3];
      
    self.splashView.alpha = 0.0;
    [UIView commitAnimations];
   
    
}



+ (BOOL) isIPad 
{
#ifdef UI_USER_INTERFACE_IDIOM
    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
#else
    return NO;
#endif
}

+ (NSString*) resolveImageResource:(NSString*)resource
{
    NSString* systemVersion = [[UIDevice currentDevice] systemVersion];
    BOOL isLessThaniOS4 = ([systemVersion compare:@"4.0" options:NSNumericSearch] == NSOrderedAscending);
    
    // the iPad image (nor retina) differentiation code was not in 3.x, and we have to explicitly set the path
    if (isLessThaniOS4)
    {
        if ([[self class] isIPad]) {
            return [NSString stringWithFormat:@"%@~ipad.png", resource];
        } else {
            return [NSString stringWithFormat:@"%@.png", resource];
        }
    }
    
    return resource;
}


- (void) showSplashScreen
{
    if (self.splashView != nil) return;
    
    NSString* launchImageFile = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"UILaunchImageFile"];
    if (launchImageFile == nil) { // fallback if no launch image was specified
        launchImageFile = @"Default"; 
    }
    
    NSString* orientedLaunchImageFile = nil;    
    CGAffineTransform startupImageTransform = CGAffineTransformIdentity;
    UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation;
    CGRect screenBounds = [[UIScreen mainScreen] bounds];
    CGRect statusBarFrame = [UIApplication sharedApplication].statusBarFrame;
    UIInterfaceOrientation statusBarOrientation = [UIApplication sharedApplication].statusBarOrientation;
    BOOL isIPad = [[self class] isIPad];
    UIImage* launchImage = nil;
    
    // default to center of screen as in the stndard implementation. This will produce the 20px jump
    CGPoint center = CGPointMake((screenBounds.size.width / 2), (screenBounds.size.height / 2));
    
    if (isIPad)
    {
        if (!UIDeviceOrientationIsValidInterfaceOrientation(deviceOrientation)) {
            deviceOrientation = (UIDeviceOrientation)statusBarOrientation;
        }
        
        switch (deviceOrientation) 
        {
            case UIDeviceOrientationLandscapeLeft: // this is where the home button is on the right (yeah, I know, confusing)
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Landscape", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(90));
                center.x -= MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            }
                break;
            case UIDeviceOrientationLandscapeRight: // this is where the home button is on the left (yeah, I know, confusing)
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Landscape", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(-90));
                center.x += MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            } 
                break;
            case UIDeviceOrientationPortraitUpsideDown:
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Portrait", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(180));
                center.y -= MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            } 
                break;
            case UIDeviceOrientationPortrait:
            default:
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Portrait", launchImageFile];
                startupImageTransform = CGAffineTransformIdentity;
                center.y += MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            }
                break;
        }
        
        launchImage = [UIImage imageNamed:[[self class] resolveImageResource:orientedLaunchImageFile]];
    }
    else // not iPad
    {
        orientedLaunchImageFile = @"Default";
        launchImage = [UIImage imageNamed:[[self class] resolveImageResource:orientedLaunchImageFile]];
    }
    
    if (launchImage == nil) {
        NSLog(@"WARNING: Splash-screen image '%@' was not found. Orientation: %d, iPad: %d", orientedLaunchImageFile, deviceOrientation, isIPad);
    }
    
    self.splashView = [[[UIImageView alloc] initWithImage:launchImage] autorelease];    
    self.splashView.tag = 1;
    self.splashView.center = center;
    
    self.splashView.autoresizingMask = (UIViewAutoresizingFlexibleWidth & UIViewAutoresizingFlexibleHeight & UIViewAutoresizingFlexibleLeftMargin & UIViewAutoresizingFlexibleRightMargin);    
    [self.splashView setTransform:startupImageTransform];
    [self.view.superview addSubview:self.splashView];
    
    
    /*
     * The Activity View is the top spinning throbber in the status/battery bar. We init it with the default Grey Style.
     *
     *     whiteLarge = UIActivityIndicatorViewStyleWhiteLarge
     *     white      = UIActivityIndicatorViewStyleWhite
     *     gray       = UIActivityIndicatorViewStyleGray
     *
     */
    /*
     NSString* topActivityIndicator = [self.settings objectForKey:@"TopActivityIndicator"];
     UIActivityIndicatorViewStyle topActivityIndicatorStyle = UIActivityIndicatorViewStyleGray;
     
     if ([topActivityIndicator isEqualToString:@"whiteLarge"]) {
     topActivityIndicatorStyle = UIActivityIndicatorViewStyleWhiteLarge;
     } else if ([topActivityIndicator isEqualToString:@"white"]) {
     topActivityIndicatorStyle = UIActivityIndicatorViewStyleWhite;
     } else if ([topActivityIndicator isEqualToString:@"gray"]) {
     topActivityIndicatorStyle = UIActivityIndicatorViewStyleGray;
     }
     
     self.activityView = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:topActivityIndicatorStyle] autorelease];
     self.activityView.tag = 2;
     
     id showSplashScreenSpinnerValue = [self.settings objectForKey:@"ShowSplashScreenSpinner"];
     // backwards compatibility - if key is missing, default to true
     if (showSplashScreenSpinnerValue == nil || [showSplashScreenSpinnerValue boolValue]) {
     [self.view.superview addSubview:self.activityView];
     }
     
     
     self.activityView.center = self.view.center;
     [self.activityView startAnimating];
     */
    
    
    [self.view.superview layoutSubviews];
}    






#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
}

- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
    return [super shouldAutorotateToInterfaceOrientation:interfaceOrientation];
}

@end

showSplashScreen.m

- (void) showSplashScreen
{
    if (self.splashView != nil) return;
    
    NSString* launchImageFile = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"UILaunchImageFile"];
    if (launchImageFile == nil) { // fallback if no launch image was specified
        launchImageFile = @"Default"; 
    }
    
    NSString* orientedLaunchImageFile = nil;    
    CGAffineTransform startupImageTransform = CGAffineTransformIdentity;
    UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation;
    CGRect screenBounds = [[UIScreen mainScreen] bounds];
    CGRect statusBarFrame = [UIApplication sharedApplication].statusBarFrame;
    UIInterfaceOrientation statusBarOrientation = [UIApplication sharedApplication].statusBarOrientation;
    BOOL isIPad = [[self class] isIPad];
    UIImage* launchImage = nil;
    
    // default to center of screen as in the stndard implementation. This will produce the 20px jump
    CGPoint center = CGPointMake((screenBounds.size.width / 2), (screenBounds.size.height / 2));
    
    if (isIPad)
    {
        if (!UIDeviceOrientationIsValidInterfaceOrientation(deviceOrientation)) {
            deviceOrientation = (UIDeviceOrientation)statusBarOrientation;
        }
        
        switch (deviceOrientation) 
        {
            case UIDeviceOrientationLandscapeLeft: // this is where the home button is on the right (yeah, I know, confusing)
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Landscape", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(90));
                center.x -= MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            }
                break;
            case UIDeviceOrientationLandscapeRight: // this is where the home button is on the left (yeah, I know, confusing)
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Landscape", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(-90));
                center.x += MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            } 
                break;
            case UIDeviceOrientationPortraitUpsideDown:
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Portrait", launchImageFile];
                startupImageTransform = CGAffineTransformMakeRotation(degreesToRadian(180));
                center.y -= MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            } 
                break;
            case UIDeviceOrientationPortrait:
            default:
            {
                orientedLaunchImageFile = [NSString stringWithFormat:@"%@-Portrait", launchImageFile];
                startupImageTransform = CGAffineTransformIdentity;
                center.y += MIN(statusBarFrame.size.width, statusBarFrame.size.height)/2;
            }
                break;
        }
        
        launchImage = [UIImage imageNamed:[[self class] resolveImageResource:orientedLaunchImageFile]];
    }
    else // not iPad
    {
        orientedLaunchImageFile = @"Default";
        launchImage = [UIImage imageNamed:[[self class] resolveImageResource:orientedLaunchImageFile]];
    }
    
    if (launchImage == nil) {
        NSLog(@"WARNING: Splash-screen image '%@' was not found. Orientation: %d, iPad: %d", orientedLaunchImageFile, deviceOrientation, isIPad);
    }
    
    self.splashView = [[[UIImageView alloc] initWithImage:launchImage] autorelease];    
    self.splashView.tag = 1;
    self.splashView.center = center;
    
    self.splashView.autoresizingMask = (UIViewAutoresizingFlexibleWidth & UIViewAutoresizingFlexibleHeight & UIViewAutoresizingFlexibleLeftMargin & UIViewAutoresizingFlexibleRightMargin);    
    [self.splashView setTransform:startupImageTransform];
    [self.view.superview addSubview:self.splashView];
        
    [self.view.superview layoutSubviews];
}    

webViewDidFinishLoad.m

- (void) webViewDidFinishLoad:(UIWebView*) theWebView 
{
	// only valid if FooBar.plist specifies a protocol to handle
	if (self.invokeString)
	{
		// this is passed before the deviceready event is fired, so you can access it in js when you receive deviceready
		NSString* jsString = [NSString stringWithFormat:@"var invokeString = \"%@\";", self.invokeString];
		[theWebView stringByEvaluatingJavaScriptFromString:jsString];
	}

	 // Black base color for background matches the native apps
   	theWebView.backgroundColor = [UIColor blackColor];

    [((MainViewController*)self.viewController) hideSplashScreen];
    
	return [self.viewController webViewDidFinishLoad:theWebView];
}