Three20
- 1. Three20
(@cngump)
cngump@gmail.com
http://www.cngump.com
http://www.techparty.org
2012.02
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- 2. What’s Three20?
• Three20 iPhone 320×480
• Three20 Facebook Joe Hewitt
iOS Lib
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- 3. Three20 Feature
• Router URL
• CSS
• UI
• (pull to refresh,photoviewer)
•
• (json,xml)
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- 4. Three20 Hierarchy
Three20
Launcher
UI
UINavigator Style
UICommon Network
Core
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- 5. Let’s Begin
git source:
git clone git://github.com/facebook/three20.git
git checkout v1.1
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- 6. Template Xcode
Template
>./InstallTemplates3.2.5.Command
Xcode Three20
> python three20/src/scripts/ttmodule.py -p path/to/
myProject.xcodeproj Three20
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- 8. TTNavigator* navigator = [TTNavigator navigator]; // TTNavigator
navigator.supportsShakeToReload = YES; //
navigator.persistenceMode = TTNavigatorPersistenceModeNone;
! //
! // TTNavigatorPersistenceModeNone
! // TTNavigatorPersistenceModeTop !
! // TTNavigatorPersistenceModeAll
TTURLMap* map = navigator.URLMap;!
[map from:@"*" toViewController:[TTWebController class]];
! // Controller
[map from:@"tt://root" toViewController:NSClassFromString(@"RootViewController")];
! //
[map from:@"tt://nib/(loadFromNib:)" toSharedViewController:self];
! // nib
[map from:@"tt://nib/(loadFromNib:)/(withClass:)" toSharedViewController:self];
! //nib class
[map from:@"tt://viewController/(loadFromVC:)" toSharedViewController:self];
! //
[map from:@"tt://modal/(loadFromNib:)" toModalViewController:self];
! // nib view!
if (![navigator restoreViewControllers]) {
! [navigator openURLAction:[TTURLAction actionWithURLPath:@"tt://root"]];
! // URL
}
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- 9. Use URL
- (void)createModel {
self.dataSource = [TTSectionedDataSource dataSourceWithObjects:
@" ",!
! ! ! !
[TTTableTextItem itemWithText:@" " URL:@"tt://nib/DemoTableViewController"],
[TTTableTextItem itemWithText:@"Twitter" URL:@"tt://nib/DemoTableViewController"],!
[TTTableTextItem itemWithText:@"QQ " URL:@"tt://nib/DemoTableViewController"],
nil];
}
@end
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- 11. //MyStyleSheet.h
@interface StyleSheet : TTDefaultStyleSheet {
}
@end
//MyStyleSheet.m
#import "StyleSheet.h"
@implementation MyStyleSheet
- (UIFont*)font {
return [UIFont fontWithName:@"Georgia" size:11];
}
- (UIFont*)tableFont {
return [UIFont fontWithName:@"Georgia" size:12];
}
- (UIFont*)tableHeaderPlainFont {
return [UIFont fontWithName:@"Georgia-Bold" size:13];
}
@end
//AppDelegate.m
[TTStyleSheet setGlobalStyleSheet:[[[StyleSheet alloc] init] autorelease]];
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- 12. Controllers
TTViewController
TTTableViewController
TTWebController
TTPhotoViewController
TTThumbsViewController
TTPostController
TTMessageController
TTLauncherViewController
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- 14. PhotoView
@interface PhotoTest1Controller : TTPhotoViewController
@end
@implementation PhotoTest1Controller
- (void)viewDidLoad {
self.photoSource = [[[MockPhotoSource alloc]
initWithType:MockPhotoSourceNormal
title:@"Flickr Photos"
photos:[NSArray arrayWithObjects:
[[[MockPhoto alloc]
initWithURL:@"http://farm4.static.flickr.com/
3099/3164979221_6c0e583f7d.jpg?v=0"
smallURL:@"http://farm4.static.flickr.com/
3099/3164979221_6c0e583f7d_t.jpg"
size:CGSizeMake(320, 480)] autorelease],
[[[MockPhoto alloc]
initWithURL:@"http://farm4.static.flickr.com/
3444/3223645618_13fe36887a_o.jpg"
smallURL:@"http://farm4.static.flickr.com/
3444/3223645618_f5e2fa7fea_t.jpg"
size:CGSizeMake(320, 480)
caption:@"This is a caption."] autorelease],
! nil]
! ! ! ! !
photos2:nil
] autorelease];
}
@end
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- 15. TTThumbsView
@interface PhotoTest1Controller : TTThumbsViewController
@end
@implementation PhotoTest1Controller
- (void)viewDidLoad {
self.photoSource = [[[MockPhotoSource alloc]
initWithType:MockPhotoSourceNormal
title:@"Flickr Photos"
photos:[NSArray arrayWithObjects:
[[[MockPhoto alloc]
initWithURL:@"http://farm4.static.flickr.com/
3099/3164979221_6c0e583f7d.jpg?v=0"
smallURL:@"http://farm4.static.flickr.com/
3099/3164979221_6c0e583f7d_t.jpg"
size:CGSizeMake(320, 480)] autorelease],
[[[MockPhoto alloc]
initWithURL:@"http://farm4.static.flickr.com/
3444/3223645618_13fe36887a_o.jpg"
smallURL:@"http://farm4.static.flickr.com/
3444/3223645618_f5e2fa7fea_t.jpg"
size:CGSizeMake(320, 480)
caption:@"This is a caption."] autorelease],
! nil]
! ! ! ! !
photos2:nil
] autorelease];
}
@end
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- 16. TTTableViewDragRefreshDelegate
// in TTTableViewController‘s sub class
- (id<UITableViewDelegate>)createDelegate {
! return [[[TTTableViewDragRefreshDelegate alloc]
initWithController:self] autorelease];
}
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- 17. Launcher
Added in Three20 1.1 version
//BasicLauncherViewController.h
#import <Three20Launcher/Three20Launcher.h>
@interface BasicLauncherViewController : TTLauncherViewController {
}
@end
//BasicLauncherViewController.m
#import "BasicLauncherViewController.h"
@implementation BasicLauncherViewController
- (void)viewDidLoad {
! [super viewDidLoad];!
! TTLauncherItem* item =
[[TTLauncherItem alloc] initWithTitle: @"Item title"
image: @"bundle://Icon.png"
URL: nil];
! [self.launcherView addItem:item animated:NO];
! TT_RELEASE_SAFELY(item);
}
@end
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