Vous pouvez utiliser ALAssetsLibrary et la classe d'actifs pour obtenir les images dans votre appareil et vous pouvez les utiliser pour afficher en mode paysage et en mode portrait comme uiimagepicker.
- (void)viewDidLoad
{
[super viewDidLoad];
[activity startAnimating];
appObj=(ImagePickerAppDelegate *)[[UIApplication sharedApplication]delegate];
void (^assetEnumerator)(struct ALAsset *, NSUInteger, BOOL *) = ^(ALAsset *result, NSUInteger index, BOOL *stop)
{
if(result != NULL)
{
//assets is a mutualable array...for storing the images that are in the device..
[assets addObject:result];
}
};
void (^assetGroupEnumerator)(struct ALAssetsGroup *, BOOL *) = ^(ALAssetsGroup *group, BOOL *stop)
{
if(group != nil)
{
[group enumerateAssetsUsingBlock:assetEnumerator];
}
//meth is a user defined method..
[self meth];
[activity stopAnimating];
[activity setHidden:YES];
};
assets = [[NSMutableArray alloc] init];
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library enumerateGroupsWithTypes:ALAssetsGroupAlbum usingBlock:assetGroupEnumerator
failureBlock: ^(NSError *error) { NSLog(@"Failure");}];
}
-(void)meth
{
NSLog(@"%i",[assets count]);
if(userOrientation==UIInterfaceOrientationPortrait || userOrientation==UIInterfaceOrientationPortraitUpsideDown)
{
NSLog(@"haii");
[scrollView removeFromSuperview];
scrollView=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, 320, 460)];
scrollView.backgroundColor=[UIColor whiteColor];
NSLog(@"%i",[assets count]);
for (int i = 0; i < [assets count]; i++)
{
imgBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[imgBtn setFrame:CGRectMake((i%4*80)+2,(i/4*80)+2,75,75)];
imgBtn.tag=i;
[imgBtn addTarget:self action:@selector(imageClicked:) forControlEvents:UIControlEventTouchUpInside];
ALAsset *asset=[assets objectAtIndex:i];
[imgBtn setImage:[UIImage imageWithCGImage:[asset thumbnail]] forState:UIControlStateNormal];
[scrollView addSubview:imgBtn];
}
scrollView.contentSize = CGSizeMake(320,(([assets count]/4)+1)*300);
}
if(userOrientation==UIInterfaceOrientationLandscapeRight || userOrientation==UIInterfaceOrientationLandscapeLeft)
{
[scrollView removeFromSuperview];
scrollView=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, 480,320)];
for (int i = 0; i < [assets count]; i++)
{
imgBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[imgBtn setFrame:CGRectMake((i%6*80)+2,(i/6*80)+2,75,75)];
imgBtn.tag=i;
[imgBtn addTarget:self action:@selector(imageClicked:) forControlEvents:UIControlEventTouchUpInside];
ALAsset *asset=[assets objectAtIndex:i];
[imgBtn setImage:[UIImage imageWithCGImage:[asset thumbnail]] forState:UIControlStateNormal];
[scrollView addSubview:imgBtn];
}
scrollView.contentSize = CGSizeMake(480,(([assets count]/4)+1)*300);
}
[self.view addSubview:scrollView];
}
-(void)imageClicked:(UIButton *)sender
{
//for picking the images that the user has selected we are using other array "selectedImages" i.e declared in the app delegate
ALAsset *asset=[assets objectAtIndex:sender.tag];
[appObj.selectedImages addObject:[UIImage imageWithCGImage:[[asset defaultRepresentation] fullScreenImage]]];
NSLog(@"%i",[appObj.selectedImages count]);
[self.navigationController popViewControllerAnimated:YES ];
}
Quelqu'un s'il vous plaît suggérer une solution. – random
regardez http://stackoverflow.com/questions/20468335/ios7-ipad-landscape-only-app-using-uiimagepickercontroller/20468336#20468336 –