Three20 to save images?(Close) - iphone

Question

i'm a new iPhone application developer,i need create one application like photo gallery.Now my problem is i donno how to save a image to photo album.
i have build my project is no error no werning to me.in my simulator can run the project.
But i cnt see any things i add.Hope can help me.Thanks.
my code here.
Three20PhotoDemoAppDelegate.h
#import <UIKit/UIKit.h>
#interface Three20PhotoDemoAppDelegate : NSObject <UIApplicationDelegate> {
UIWindow *window;
}
#property (nonatomic, retain) IBOutlet UIWindow *window;
#end
Three20PhotoDemoAppDelegate.m
#import "Three20PhotoDemoAppDelegate.h"
#import "AlbumController.h"
#import <Three20/Three20.h>
#implementation Three20PhotoDemoAppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch
TTNavigator* navigator = [TTNavigator navigator];
TTURLMap* map = navigator.URLMap;
[map from:#"demo://album" toViewController: [AlbumController class]];
[navigator openURLAction:[TTURLAction actionWithURLPath:#"demo://album"]];
return YES;
}
- (BOOL)application:(UIApplication*)application handleOpenURL:(NSURL*)URL {
[[TTNavigator navigator] openURLAction:[TTURLAction actionWithURLPath:URL.absoluteString]];
return YES;
}
- (void)dealloc {
[super dealloc];
}
#end
PhotoSource.h
#import <Three20/Three20.h>
#import <Three20/Three20+Additions.h>
typedef enum {
PhotoSourceNormal = 0,
PhotoSourceDelayed = 1,
PhotoSourceVariableCount = 2,
PhotoSourceLoadError = 4,
} PhotoSourceType;
#interface PhotoSource : TTURLRequestModel <TTPhotoSource> {
PhotoSourceType _type;
NSString* _title;
NSMutableArray* _photos;
NSArray* _tempPhotos;
NSTimer* _fakeLoadTimer;
}
- (id)initWithType:(PhotoSourceType)type title:(NSString*)title
photos:(NSArray*)photos photos2:(NSArray*)photos2;
#end
PhotoSource.m
import "PhotoSource.h"
#implementation PhotoSource
#synthesize title = _title;
- (void)fakeLoadReady {
_fakeLoadTimer = nil;
if (_type & PhotoSourceLoadError) {
[_delegates makeObjectsPerformSelector: #selector(model:didFailLoadWithError:)
withObject: self
withObject: nil];
} else {
NSMutableArray* newPhotos = [NSMutableArray array];
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
[newPhotos addObject:photo];
}
}
[newPhotos addObjectsFromArray:_tempPhotos];
TT_RELEASE_SAFELY(_tempPhotos);
[_photos release];
_photos = [newPhotos retain];
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
photo.photoSource = self;
photo.index = i;
}
}
[_delegates makeObjectsPerformSelector:#selector(modelDidFinishLoad:) withObject:self];
}
}
- (id)initWithType:(PhotoSourceType)type title:(NSString*)title photos:(NSArray*)photos
photos2:(NSArray*)photos2 {
if (self = [super init]) {
_type = type;
_title = [title copy];
_photos = photos2 ? [photos mutableCopy] : [[NSMutableArray alloc] init];
_tempPhotos = photos2 ? [photos2 retain] : [photos retain];
_fakeLoadTimer = nil;
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
photo.photoSource = self;
photo.index = i;
}
}
if (!(_type & PhotoSourceDelayed || photos2)) {
[self performSelector:#selector(fakeLoadReady)];
}
}
return self;
}
- (id)init {
return [self initWithType:PhotoSourceNormal title:nil photos:nil photos2:nil];
}
- (void)dealloc {
[_fakeLoadTimer invalidate];
TT_RELEASE_SAFELY(_photos);
TT_RELEASE_SAFELY(_tempPhotos);
TT_RELEASE_SAFELY(_title);
[super dealloc];
}
- (BOOL)isLoading {
return !!_fakeLoadTimer;
}
- (BOOL)isLoaded {
return !!_photos;
}
- (void)load:(TTURLRequestCachePolicy)cachePolicy more:(BOOL)more {
if (cachePolicy & TTURLRequestCachePolicyNetwork) {
[_delegates makeObjectsPerformSelector:#selector(modelDidStartLoad:) withObject:self];
TT_RELEASE_SAFELY(_photos);
_fakeLoadTimer = [NSTimer scheduledTimerWithTimeInterval:2 target:self
selector:#selector(fakeLoadReady) userInfo:nil repeats:NO];
}
}
- (void)cancel {
[_fakeLoadTimer invalidate];
_fakeLoadTimer = nil;
}
- (NSInteger)numberOfPhotos {
if (_tempPhotos) {
return _photos.count + (_type & PhotoSourceVariableCount ? 0 : _tempPhotos.count);
} else {
return _photos.count;
}
}
- (NSInteger)maxPhotoIndex {
return _photos.count-1;
}
- (id<TTPhoto>)photoAtIndex:(NSInteger)photoIndex {
if (photoIndex < _photos.count) {
id photo = [_photos objectAtIndex:photoIndex];
if (photo == [NSNull null]) {
return nil;
} else {
return photo;
}
} else {
return nil;
}
}
#end
Photo.h
#import <Three20/Three20.h>
#interface Photo : NSObject <TTPhoto> {
id<TTPhotoSource> _photoSource;
NSString* _thumbURL;
NSString* _smallURL;
NSString* _URL;
CGSize _size;
NSInteger _index;
NSString* _caption;
}
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size;
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size
caption:(NSString*)caption;
#end
Photo.m
#import "Photo.h"
#implementation Photo
#synthesize photoSource = _photoSource, size = _size, index = _index, caption = _caption;
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size {
return [self initWithURL:URL smallURL:smallURL size:size caption:nil];
}
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size
caption:(NSString*)caption {
if (self = [super init]) {
_photoSource = nil;
_URL = [URL copy];
_smallURL = [smallURL copy];
_thumbURL = [smallURL copy];
_size = size;
_caption;
_index = NSIntegerMax;
}
return self;
}
- (void)dealloc {
TT_RELEASE_SAFELY(_URL);
TT_RELEASE_SAFELY(_smallURL);
TT_RELEASE_SAFELY(_thumbURL);
TT_RELEASE_SAFELY(_caption);
[super dealloc];
}
- (void)viewDidLoad {
}
- (NSString*)URLForVersion:(TTPhotoVersion)version {
if (version == TTPhotoVersionLarge) {
return _URL;
} else if (version == TTPhotoVersionMedium) {
return _URL;
} else if (version == TTPhotoVersionSmall) {
return _smallURL;
} else if (version == TTPhotoVersionThumbnail) {
return _thumbURL;
} else {
return nil;
}
}
#end
AlbumController.h
#import <Three20/Three20.h>
#interface AlbumController : TTPhotoViewController <UIActionSheetDelegate>{
NSArray *images;
UIBarButtonItem *_clickActionItem;
UIToolbar *_toolbar;
}
#property (nonatomic, retain) NSArray *images;
#property (nonatomic, retain) UIBarButtonItem *_clickActionItem;
#property (nonatomic, retain) UIToolbar *_toolbar;
#end
AlbumController.m
#import "AlbumController.h"
#import "PhotoSource.h"
#import "Photo.h"
#implementation AlbumController
#synthesize images;
- (void)loadView {
CGRect screenFrame = [UIScreen mainScreen].bounds;
self.view = [[[UIView alloc] initWithFrame:screenFrame]
autorelease];
CGRect innerFrame = CGRectMake(0, 0,
screenFrame.size.width,
screenFrame.size.height);
_innerView = [[UIView alloc] initWithFrame:innerFrame];
_innerView.autoresizingMask = UIViewAutoresizingFlexibleWidth|
UIViewAutoresizingFlexibleHeight;
[self.view addSubview:_innerView];
_scrollView = [[TTScrollView alloc] initWithFrame:screenFrame];
_scrollView.delegate = self;
_scrollView.dataSource = self;
_scrollView.backgroundColor = [UIColor blackColor];
_scrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth|
UIViewAutoresizingFlexibleHeight;
[_innerView addSubview:_scrollView];
UIBarButtonItem *_actionButton = [[UIBarButtonItem alloc] initWithImage:
TTIMAGE(#"bundle://Three20.bundle/images/imageAction.png")
style:UIBarButtonItemStylePlain target:self action:#selector
(popupActionSheet)];
_nextButton = [[UIBarButtonItem alloc] initWithImage:
TTIMAGE(#"bundle://Three20.bundle/images/nextIcon.png")
style:UIBarButtonItemStylePlain target:self action:#selector
(nextAction)];
_previousButton = [[UIBarButtonItem alloc] initWithImage:
TTIMAGE(#"bundle://Three20.bundle/images/previousIcon.png")
style:UIBarButtonItemStylePlain target:self action:#selector
(previousAction)];
UIBarButtonItem* playButton = [[[UIBarButtonItem alloc]
initWithBarButtonSystemItem:
UIBarButtonSystemItemPlay target:self action:#selector
(playAction)] autorelease];
playButton.tag = 1;
UIBarItem* space = [[[UIBarButtonItem alloc]
initWithBarButtonSystemItem:
UIBarButtonSystemItemFlexibleSpace target:nil action:nil]
autorelease];
_toolbar = [[UIToolbar alloc] initWithFrame:
CGRectMake(0, screenFrame.size.height - TT_ROW_HEIGHT,
screenFrame.size.width, TT_ROW_HEIGHT)];
_toolbar.barStyle = self.navigationBarStyle;
_toolbar.autoresizingMask = UIViewAutoresizingFlexibleWidth|
UIViewAutoresizingFlexibleTopMargin;
_toolbar.items = [NSArray arrayWithObjects:
_actionButton, space, _previousButton, space,
_nextButton, space, nil];
[_innerView addSubview:_toolbar];
}
//(Just to add an action sheet)
//At the bottom of that codefile -- I added:
-(void)popupActionSheet {
UIActionSheet *popupQuery = [[UIActionSheet alloc]
initWithTitle:nil
delegate:self
cancelButtonTitle:#"Cancel"
destructiveButtonTitle:nil
otherButtonTitles:#"Save Image",nil];
popupQuery.actionSheetStyle = UIActionSheetStyleBlackOpaque;
[popupQuery showInView:self.view];
[popupQuery release];
}
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:
(int)buttonIndex {
//UIImage* image = [[TTURLCache sharedCache] imageForURL:imageURL];
if (buttonIndex==0){
UIImage* thisImage = [[TTURLCache sharedCache] imageForURL:
[_centerPhoto URLForVersion:TTPhotoVersionLarge]];
UIImageWriteToSavedPhotosAlbum(thisImage, nil, nil, nil);
//{UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"URL"
//message:[_centerPhoto URLForVersion:TTPhotoVersionLarge] delegate:self cancelButtonTitle:#"No" ,otherButtonTitles:#"Yes", nil];
//[alert show];}
}
}
-(void)createPhotos {
images = [[NSArray alloc] initWithObjects:
[[[Photo alloc] initWithURL:#"bundle://14.png" smallURL:#"bundle://14.png"
size:CGSizeMake(320, 212)] autorelease],
[[[Photo alloc] initWithURL:#"bundle://30.png" smallURL:#"bundle://30.png"
size:CGSizeMake(320, 212)] autorelease],
[[[Photo alloc] initWithURL:#"bundle://back.jpeg" smallURL:#"bundle://back.jpeg"
size:CGSizeMake(319, 317)] autorelease],
nil];
}
- (void)viewDidLoad {
//[self loadView];
[self createPhotos]; // method to set up the photos array
self.photoSource = [[PhotoSource alloc]
initWithType:PhotoSourceNormal
title:#"SexyGirl"
photos:images
photos2:nil
];
}
#end

Answer 1

If all you need is to save an image to the Photos album, you can use:
UIImage *myImage;
UIImageWriteToSavedPhotosAlbum(myImage,nil,nil,nil);
If this is not your problem, then I don't get it. If you don't tell us where the problem is, posting three pages worth of code is pretty useless.