i'm new iphone application developer,i need create 1 application photo gallery.now problem donno how save image photo album.
i have build project no error no werning me.in simulator can run project.
but cnt see things add.hope can 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 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]; (int = 0; < _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]; (int = 0; < _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; (int = 0; < _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 add action sheet) //at bottom of codefile -- 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 set photos array self.photosource = [[photosource alloc] initwithtype:photosourcenormal title:@"sexygirl" photos:images photos2:nil ]; } @end
if need save image photos album, can use:
uiimage *myimage; uiimagewritetosavedphotosalbum(myimage,nil,nil,nil); if not problem, don't it. if don't tell problem is, posting 3 pages worth of code pretty useless.
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