Formacion en movilidad: Conceptos de desarrollo en iOS (IV)

Televisió de CatalunyaFormación en movilidad

Conceptos de desarrollo en iOS4ª sesión mayo 2013

1

Qué veremos hoy

AlertSearch Bar

Action SheetActivity

Customizing

Testing

2

AlertUIAlertView

“Use the UIAlertView class to display an alert message to the user”

3

AlertUIAlertView

// MasterViewController.m

- (void)insertNewObject:(NSDictionary *)values{ // ... if (![context save:&error]) { // ... } else { UIAlertView *notice = [[UIAlertView alloc] initWithTitle:@"Nuevo vídeo" message:@"Se a creado un nuevo vídeo correctamente" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];

[notice show];}

4

AlertUIAlertView


- (void)insertNewObject:(NSDictionary *)values{ // ... if (![context save:&error]) { // ... } else { UIAlertView *notice = [[UIAlertView alloc] initWithTitle:@"Nuevo vídeo" message:@"Se a creado un nuevo vídeo correctamente" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];

[notice show];}

5

AlertUIAlertView


- (void)insertNewObject:(NSDictionary *)values{ // ... if (![context save:&error]) { // ... } else { UIAlertView *notice = [[UIAlertView alloc] initWithTitle:@"Nuevo vídeo" message:@"Se a creado un nuevo vídeo correctamente" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:@"Deshacer", nil];

[notice show];}

6

AlertUIAlertView


- (void)insertNewObject:(NSDictionary *)values{ // ... if (![context save:&error]) { // ... } else { UIAlertView *notice = [[UIAlertView alloc] initWithTitle:@"Nuevo vídeo" message:@"Se a creado un nuevo vídeo correctamente" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:@"Deshacer", nil];

[notice show];}

7

“The UISearchBar object does not actually perform any searches. You use the

UISearchBarDelegate protocol to implement the actions when text is entered and buttons

are clicked”

Search Bar

8

http://developer.apple.com/library/ios/documentation/UIKit/Reference/UISearchBarDelegate_Protocol/Reference/Reference.html#//apple_ref/occ/intf/UISearchBarDelegate

http://developer.apple.com/library/ios/documentation/UIKit/Reference/UISearchBarDelegate_Protocol/Reference/Reference.html#//apple_ref/occ/intf/UISearchBarDelegate

Search BarUISearchBar

9

Search BarUISearchBar

Placeholder ‘Buscar por título o autor’Marcar ‘Shows Cancel Button’Seleccionar ‘Correction: No’

Conectar ‘Search Bar’ delegate con ‘Master View Controller’

10

Search BarUISearchBarDelegate


@interface MasterViewController ()

- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath;- (void)performSearch:(NSString *)searchText;

@end

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@end

Declarar método privado performSearch:

12





@end

- (NSFetchedResultsController *)fetchedResultsController { // ...

NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:nil cacheName:nil];

// ...}

13





@end

- (NSFetchedResultsController *)fetchedResultsController { // ...

NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:nil cacheName:nil];

// ...}

Anular uso de caché en initWithFetchRequest:

14



#pragma mark - UISearchBarDelegate

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {

}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {

}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {

}

Acciones parabotones ‘Search’ y ‘Cancel’ e introducción de texto

15




- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar { [self performSearch:searchBar.text]; [searchBar resignFirstResponder]; [self.tableView reloadData];}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {

}


}

searchBarSearchButtonClicked:

16





- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar { [searchBar resignFirstResponder];}


}

searchBarCancelButtonClicked:

17





- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar { [searchBar resignFirstResponder];}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { [self performSearch:searchText];}

searchBar:textDidChange:

18

Search BarUISearchBarDelegate + Core Data


#pragma mark - Private

- (void)performSearch:(NSString *)searchText { NSPredicate *predicate; NSError *error = nil;

if(searchText && searchText.length > 0) { predicate = [NSPredicate predicateWithFormat: @"title contains[cd] %@ or author contains[cd] %@", searchText, searchText]; [self.fetchedResultsController.fetchRequest setPredicate:predicate]; } else { [self.fetchedResultsController.fetchRequest setPredicate:nil]; }

if(![self.fetchedResultsController performFetch:&error]) { NSLog(@"Unresolved error %@, %@", error, [error userInfo]); abort(); } [self.tableView reloadData];}

Implementar método privado performSearch:

19







contains[cd] is case and diacritic insensitive

20







Anular criterios = Buscar todos

21


22

“Use the UIActionSheet class to present the user with a set of alternatives for how to

proceed with a given task”

Action Sheet

23

Action Sheet

24

Action Sheet

Seleccionar ‘Identifier : Action’

25

Action Sheet

Seleccionar ‘Identifier : Action’

Conectar ‘Bar Button Item - Action’ con Detail View ControllerConnection: ActionName: shareByEmail

Type: id

26

Action Sheet

TARGETS : MyVideos : Build Phases : Link With Binary LibrariesMessageUI.framework

27

Action SheetUIActionSheet

// DetailViewController.h

#import <UIKit/UIKit.h>

#import <MessageUI/MessageUI.h>#import <MessageUI/MFMailComposeViewController.h>

@interface DetailViewController : UIViewController < UISplitViewControllerDelegate, UIWebViewDelegate, UIActionSheetDelegate, MFMailComposeViewControllerDelegate>

// ...

@end

Importar MessageUI.h y MFMailComposeViewController.h

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// ...

@end

UIActionSheetDelegate

29





// ...

@end


MFMailComposeViewControllerDelegate

30


// DetailViewController.m

- (IBAction)shareByEmail:(id)sender { UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Compartir" delegate:self cancelButtonTitle:@"Cancelar" destructiveButtonTitle:nil otherButtonTitles:@"Email", nil];

[actionSheet showInView:self.view];}

initWithTitle:

31


showInView:


- (IBAction)shareByEmail:(id)sender { UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Compartir" delegate:self cancelButtonTitle:@"Cancelar" destructiveButtonTitle:nil otherButtonTitles:@"Email", nil];

[actionSheet showInView:self.view];}

32

Action SheetUIActionSheetDelegate


#pragma mark - UIActionSheetDelegate

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

@end

Implementar actionSheet:clickedButtonAtIndex:

33




- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { if(buttonIndex == 0 && [MFMailComposeViewController canSendMail]) { NSString *subject = @"Mira este vídeo!"; NSArray *recipients = @[ @"[email protected]" ]; NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo: %@", url]; }}

@end

Parámetros del email

34




- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { if(buttonIndex == 0 && [MFMailComposeViewController canSendMail]) { NSString *subject = @"Mira este vídeo!"; NSArray *recipients = @[ @"[email protected]" ]; NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo: %@", url]; MFMailComposeViewController *mailComposer = [[MFMailComposeViewController alloc] init]; }}

@end

Instanciar mail compose view controller

35




- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { if(buttonIndex == 0 && [MFMailComposeViewController canSendMail]) { NSString *subject = @"Mira este vídeo!"; NSArray *recipients = @[ @"[email protected]" ]; NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo: %@", url]; MFMailComposeViewController *mailComposer = [[MFMailComposeViewController alloc] init]; [mailComposer setSubject:subject]; [mailComposer setToRecipients:recipients]; [mailComposer setMessageBody:body isHTML:YES]; [mailComposer setMailComposeDelegate:self]; }}

@end

Asignar parámetros a mail compose view controller

36




- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { if(buttonIndex == 0 && [MFMailComposeViewController canSendMail]) { NSString *subject = @"Mira este vídeo!"; NSArray *recipients = @[ @"[email protected]" ]; NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo: %@", url]; MFMailComposeViewController *mailComposer = [[MFMailComposeViewController alloc] init]; [mailComposer setSubject:subject]; [mailComposer setToRecipients:recipients]; [mailComposer setMessageBody:body isHTML:YES]; [mailComposer setMailComposeDelegate:self]; [self presentViewController:mailComposer animated:YES completion:nil]; }}

@end

Mostrar mail compose view controller

37

Action SheetMFMailComposeViewControllerDelegate

Implementar mailComposeController :didFinishWithResult:error :

#pragma mark - MFMailComposeViewControllerDelegate

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{

}

38

Action SheetMFMailComposeViewControllerDelegate

Cerrar mail compose view controller* [mailComposer setMailComposeDelegate:self];

#pragma mark - MFMailComposeViewControllerDelegate

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{! [self dismissViewControllerAnimated:YES completion:nil];}

39

ActivityUIActivityViewController


- (IBAction)shareByEmail:(id)sender {

}

40



- (IBAction)shareByEmail:(id)sender { NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo a este vídeo: %@", url];}

41



- (IBAction)shareByEmail:(id)sender { NSString *url = self.webView.request.URL.absoluteString; NSString *body = [NSString stringWithFormat:@"Échale un ojo a este vídeo: %@", url];

UIActivityViewController *activity; activity = [[UIActivityViewController alloc] initWithActivityItems:@[body] applicationActivities:nil];}

42




UIActivityViewController *activity; activity = [[UIActivityViewController alloc] initWithActivityItems:@[body] applicationActivities:nil];

activity.excludedActivityTypes = @[UIActivityTypeMessage, UIActivityTypeMail, UIActivityTypePostToWeibo];}

43




UIActivityViewController *activity; activity = [[UIActivityViewController alloc] initWithActivityItems:@[body] applicationActivities:nil];

activity.excludedActivityTypes = @[UIActivityTypeMessage, UIActivityTypeMail, UIActivityTypePostToWeibo];

[self presentViewController:activity animated:YES completion:nil];}

44

Coffee Break!

45

CustomizingUIAppearance

// AppDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // ...

return YES;}

application:didFinishLaunchingWithOptions:

46


// AppDelegate.m


[[UINavigationBar appearance] setTintColor:[UIColor blackColor]];

return YES;}

UINavigationBar

47


// AppDelegate.m


[[UINavigationBar appearance] setTintColor:[UIColor blackColor]]; [[UIBarButtonItem appearance] setTintColor:[UIColor blackColor]];

return YES;}

UIBarButtonItem

48


// AppDelegate.m


[[UINavigationBar appearance] setTintColor:[UIColor blackColor]]; [[UIBarButtonItem appearance] setTintColor:[UIColor blackColor]]; [[UISearchBar appearance] setTintColor:[UIColor blackColor]];

return YES;}

UISearchBar

49

Customizing

→

+

Bar Button Item+

Round Rect Button

50

Customizing

→

+

Type: CustomTitle: vacío

Image: comun-back-button.png

51

Customizing

→

52

Customizing

53

Customizing

54

Customizing

// VideoCell.h


@interface VideoCell : UITableViewCell

@property (nonatomic, strong) IBOutlet UILabel *titleLabel;@property (nonatomic, strong) IBOutlet UILabel *authorLabel;

@end

55

Customizing

Table View Cell - Style: CustomCustom Class - Class: VideoCell

56

Customizing

57

Customizing

Conectar labels con titleLabel y authorLabel

58

Customizing// MasterViewController.m

#import "VideoCell.h"

// ...

- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath{ NSManagedObject *object = [self.fetchedResultsController objectAtIndexPath:indexPath]; cell.textLabel.text = [object valueForKey:@"title"];}

59

Customizing// MasterViewController.m

#import "VideoCell.h"

// ...

- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath{ NSManagedObject *object = [self.fetchedResultsController objectAtIndexPath:indexPath]; if([cell isKindOfClass:[VideoCell class]]) { VideoCell *videoCell = (VideoCell *)cell; videoCell.titleLabel.text = [object valueForKey:@"title"]; videoCell.authorLabel.text = [object valueForKey:@"author"]; } else { cell.textLabel.text = [object valueForKey:@"title"]; }}

60

Testing

OCUnit

61

TestingOCUnit

validate:

“Devuelve ‘cierto’ si título, autor y URL están informados

y URL tiene el formato correcto.Devuelve ‘falso’ en caso contrario.”

62

TestingOCUnit

// MyVideosTests.m

- (void)testValidateMandatoryFields {}

63

TestingOCUnit

// MyVideosTests.m

- (void)testValidateMandatoryFields { MasterViewController *viewController = [MasterViewController new]; NSDictionary *values = @{ @"title": @"Murmuration", @"author": @"Islands & Rivers", @"url": @"http://vimeo.com/m/31158841" };}

64

TestingOCUnit

// MyVideosTests.m

- (void)testValidateMandatoryFields { MasterViewController *viewController = [MasterViewController new]; NSDictionary *values = @{ @"title": @"Murmuration", @"author": @"Islands & Rivers", @"url": @"http://vimeo.com/m/31158841" }; BOOL result = [viewController validate:values];}

65

TestingOCUnit

// MyVideosTests.m

- (void)testValidateMandatoryFields { MasterViewController *viewController = [MasterViewController new]; NSDictionary *values = @{ @"title": @"Murmuration", @"author": @"Islands & Rivers", @"url": @"http://vimeo.com/m/31158841" }; BOOL result = [viewController validate:values];! STAssertTrue(result, @"validate: returned false");}

66

TestingOCUnit

// MyVideosTests.m


“result” should be true. validate: returned false

67

TestingOCUnit

// MyVideosTests.m



- (BOOL)validate:(NSDictionary *)values {! return NO;}

“result” should be true. validate: returned false

68

TestingOCUnit

// MyVideosTests.m



- (BOOL)validate:(NSDictionary *)values { return([values objectForKey:@"title"] && [values objectForKey:@"author"] && [values objectForKey:@"url"]);}

69

TestingOCUnit

// MyVideosTests.m



- (BOOL)validate:(NSDictionary *)values { return([values objectForKey:@"title"] && [values objectForKey:@"author"] && [values objectForKey:@"url"]);}

Test Case ‘-[MyVideosTests testValidateMandatoryFields]’ passed

70

TestingOCUnit

// MyVideosTests.m

- (void)testValidatetMalformedURL { MasterViewController *viewController = [MasterViewController new]; NSDictionary *values = @{ @"title": @"Murmuration", @"author": @"Islands & Rivers", @"url": @"not an url" }; BOOL result = [viewController validate:values];! STAssertFalse(result, @"validate: returned true");}

71

TestingOCUnit

// MyVideosTests.m


“result” should be false. validate: returned true

72

TestingOCUnit

// MyVideosTests.m



- (BOOL)validate:(NSDictionary *)values { return([values objectForKey:@"title"] && [values objectForKey:@"author"] && [values objectForKey:@"url"] && [NSURL URLWithString:[values objectForKey:@"url"]]);}

73

TestingOCUnit

// MyVideosTests.m



- (BOOL)validate:(NSDictionary *)values { return([values objectForKey:@"title"] && [values objectForKey:@"author"] && [values objectForKey:@"url"] && [NSURL URLWithString:[values objectForKey:@"url"]]);}

Test Case ‘-[MyVideosTests testValidateMalformedURL]’ passed

74

Date post:	18-Jan-2015
Category:	Technology
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Formacion en movilidad: Conceptos de desarrollo en iOS (IV)

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