//For UIViewController's

- (BOOL)shouldAutorotate {

    return YES;

}

- (NSUInteger)supportedInterfaceOrientations {

    return UIInterfaceOrientationMaskAllButUpsideDown;

}

//For Delegate

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {

    return UIInterfaceOrientationMaskAllButUpsideDown;

//1. Add UIGestureRecognizerDelegate to your interface:

@interface DocumentViewControler : UIViewController <UIGestureRecognizerDelegate>

//2. Add to viewDidLoad

- (void)viewDidLoad {

    [super viewDidLoad];

    UITapGestureRecognizer* singleTap=[[UITapGestureRecognizer

                                        alloc]initWithTarget:self action:@selector(handleSingleTap:)];

    singleTap.numberOfTouchesRequired=1;

    singleTap.delegate=self;

    [self.webView addGestureRecognizer:singleTap];

    [singleTap release];

}

//3. Add:

-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer

shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer

                                                    *)otherGestureRecognizer {

    return YES;

}

//4.

-(void) handleSingleTap:(UITapGestureRecognizer *)recognizer  {

    NSLog(@"handleSingleTap");

    // Your code here

}

@end

BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:imagePath];

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{

//SMS

if(buttonIndex == 0){

}

//EMAIL

if (buttonIndex == 1){

}

else

{

}

}

-(IBAction)emailAction{

UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Send by" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"SMS", @"Email",nil];

actionSheet.actionSheetStyle = UIActionSheetStyleDefault;

[actionSheet showInView:self.view];

[actionSheet release];

}

//Declare in class following vairiable

UIAlertView *alert;

-(void)showAlert{

    alert = [[[UIAlertView alloc] initWithTitle:@"Please Wait..." message:nil delegate:self cancelButtonTitle:nil otherButtonTitles: nil] autorelease];

    [alert show];

    UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    indicator.center = CGPointMake(alert.bounds.size.width / 2, alert.bounds.size.height - 50);

    [indicator startAnimating];

    [alert addSubview:indicator];

    [indicator release];

}

-(void)dismissAlert{

    [alert dismissWithClickedButtonIndex:0 animated:YES];

    [alert release];

}

[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]

NSString* string= @"Some String";

NSData* data=[string dataUsingEncoding:NSUTF8StringEncoding];

#include <CommonCrypto/CommonDigest.h>

@implementation YourClass

-(NSString*)getExecutableFileMD5Signature{

NSBundle *bundle = [NSBundle mainBundle];

    NSDictionary *info = [bundle infoDictionary];

NSString *execName = [info objectForKey:@"CFBundleExecutable"];

NSData *data = [NSData dataWithContentsOfFile:[NSString stringWithFormat:@"%@/%@.app/%@", NSHomeDirectory(), execName, execName]];

return [self cHash:@"md5" data:data];

}

-(NSString*)cHash:(NSString*)algo data:(NSData*)data{

NSData *rdata;

if ([algo isEqualToString:@"sha1"]) {

unsigned char hashBytes[CC_SHA1_DIGEST_LENGTH];

CC_SHA1([data bytes], [data length], hashBytes);

rdata = [NSData dataWithBytes:hashBytes length:CC_SHA1_DIGEST_LENGTH];

}else if ([algo isEqualToString:@"md5" ]) {

unsigned char hashBytes[CC_MD5_DIGEST_LENGTH];

CC_MD5([data bytes], [data length], hashBytes);

rdata = [NSData dataWithBytes:hashBytes length:CC_MD5_DIGEST_LENGTH];

} else {

return @"NULL";

}

return [rdata stringWithHexBytes];

}

@end

//add new method to NSData Class

//convert NSData to HEX NSString

@implementation NSData (NSDataStrings)

- (NSString*)stringWithHexBytes {

static const char hexdigits[] = "0123456789abcdef";

const size_t numBytes = [self length];

const unsigned char* bytes = [self bytes];

char *strbuf = (char *)malloc(numBytes * 2 + 1);

char *hex = strbuf;

NSString *hexBytes = nil;

for (int i = 0; i<numBytes; ++i){

const unsigned char c = *bytes++;

*hex++ = hexdigits[(c >> 4) & 0xF];

*hex++ = hexdigits[(c ) & 0xF];

}

*hex = 0;

hexBytes = [NSString stringWithUTF8String:strbuf];

free(strbuf);

return hexBytes;

}

@end