9. "Give the user some feedback that the something is happening (We will be called back asynchronously)"

   // Make sure we give the user some feedback that the resolve is happening.

   // We will be called back asynchronously, so we don't want the user to think

   // we're just stuck.

   self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(showWaiting:) userInfo:self.currentResolve repeats:NO];

    

    

   // If necessary ...

   read more

10. "Show splash screen during loading"

    //In AppDelegate.m

    - (void)applicationDidFinishLaunching:(UIApplication *)application {

     

    m_viewController = [[SplashViewController alloc] initWithNibName:nil bundle:nil];

    [window addSubview:m_viewController.view];

    [window makeKeyAndVisible];

     

    //set delay before showing new screen

    [NSTimer scheduledTimerWithTimeInterval:5.0f target:self selector:@selector(onSlashScreenExpired:) userInfo:nil repeats:NO];

    }

     

    - (void)onSlashScreenExpired:(id)userInfo{

    [m_viewController.view removeFromSuperview];

    [window addSubview:[navigationController view ...

    read more

11. "UnZip NSData"

    NSURL *xmlURL =  [[NSURL alloc] initWithString:streamerURLString2];

    NSData *data = [[NSData alloc] initWithContentsOfURL:xmlURL];

     

    //unzip data

    NSData *unzippedData = [data inflate];

    
    

    read more

12. "Change iPhone orientation in runtime"

    [[UIDevice currentDevice] setOrientation:UIInterfaceOrientationPortrait];

    
    

    read more

13. "Get iPhone/device orientation"

    [UIDevice currentDevice].orientation != UIDeviceOrientationPortrait

    read more

14. "Create TextField (UITextField) in runtime"

    UITextField *loginTextField = [[UITextField alloc] initWithFrame:CGRectMake(20, 104, 285, 23)];

     

    loginTextField.borderStyle = UITextBorderStyleBezel;

    loginTextField.textColor = [UIColor blackColor];

    loginTextField.font = [UIFont systemFontOfSize:14.0];

    loginTextField.placeholder = @"<enter email>";

    loginTextField.backgroundColor = [UIColor whiteColor];

    loginTextField.autocorrectionType = UITextAutocorrectionTypeNo; // no auto correction support

     

    loginTextField.keyboardType = UIKeyboardTypeEmailAddress; // use the default type input method (entire keyboard)

    loginTextField ...

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15. "Get path (Documents Folder) to save file on device"

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSString *path = [documentsDirectory stringByAppendingPathComponent:@"yourfile.txt"];

    read more

16. "Move back to previous controller"

    [[self navigationController] popViewControllerAnimated:YES];

    read more

17. "Generate GUID on iPhone"

    +(NSString*)GUIDString {

        CFUUIDRef theUUID = CFUUIDCreate(NULL);

        CFStringRef string = CFUUIDCreateString(NULL, theUUID);

        CFRelease(theUUID);

        return [(NSString *)string autorelease];

    }

    read more

18. "Export from SVN and ZIP with date/time in filename"

    #!/bin/bash

    #Export folder from SVN

    #ZIP it and add date and time to file name 

    svn export https://svn.server.com/svn/ --force --username myusername --password mypassword NameOutFolder

    filename= NameOutFolder$(date "+_%m_%d_%y_%k_%M")

    zip -r -q $filename.zip NameOutFolder

    read more

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