9. "Handle taps within a UIWebView"

   //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 ...

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10. "Check if file exists"

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

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11. "Show UIActionSheet"

     

    - (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];

    }

    
    

    read more

12. "UIAlertView without Buttons"

    //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 ...

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13. "Send SMS"

    - (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result{

    switch (result) {

    case MessageComposeResultCancelled:

    NSLog(@"Cancelled");

    break;

    case MessageComposeResultFailed:{

    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Application" message:@"Unknown Error"

      delegate:nil cancelButtonTitle:@"OK" otherButtonTitles: nil];

    [alert show];

    [alert release];

    break;}

    case MessageComposeResultSent:

    break;

    default:

    break;

    }

    [self dismissModalViewControllerAnimated:YES];

    }

     

    - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger ...

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14. "Surviving BlackBerry"

    Hello,

    Recently I was asked to port application from iPhone/Android to Blackberry.

     Check out my separate blog about this "adventure" 

    Thanks,

    Alexander 

    read more

15. "Get current app version number from AndroidManifest.xml"

      //Usage from activity:

      //String verison = GlobalSettings.getVersionName(this,MyActivity.class)

      public static String getVersionName(Context context, Class cls) {

        try {

          ComponentName comp = new ComponentName(context, cls);

          PackageInfo pinfo = context.getPackageManager().getPackageInfo(comp.getPackageName(), 0);

          return "Version: " + pinfo.versionName;

        } catch (android.content.pm.PackageManager.NameNotFoundException e) {

          return null;

        }

      }

    
    

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16. "Get current app version number from bundle"

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

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17. "Check if we are running iOS 4+"

    +(BOOL)isOS4{

    NSComparisonResult order = [[UIDevice currentDevice].systemVersion compare: @"4.0" options: NSNumericSearch];

    if (order == NSOrderedSame || order == NSOrderedDescending) {

    return YES;

    } else {

    return NO;

    }

    }

    
    

     

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18. "Buttons in navigation bar"

     

    - (id)initWithStyle:(UITableViewStyle)style {

        // Override initWithStyle: if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.

        if (self = [super initWithStyle:style]) {

    UIBarButtonItem *doneBarButtonItem = [[UIBarButtonItem alloc] //init];

    initWithTitle:@"Done"

    style:UIBarButtonItemStyleBordered

    target:self 

    action:@selector(doneAction:)];

    self.navigationItem.leftBarButtonItem = doneBarButtonItem;

    [doneBarButtonItem release];

        }

        return self ...

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