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In my application i want that user should be able to select multiple images from his gallery, but using UIImagePickerController we can select only 1 image at a time.
And as i am a fresher and don't have much knowledge of objective-c i am not able to implement Multi image picker components available on GitHub like- MAImagePicker, QBImagePicker, ELCImagePickerController.
If anyone has used any of these components kindly provide me with sample code and steps to implement that.
use ELCImagePicker
https://github.com/B-Sides/ELCImagePickerController
download from github and import in your project.
add select image button
- (IBAction)selectImg:(id)sender
{
ELCImagePickerController *elcPicker = [[ELCImagePickerController alloc] initImagePicker];
elcPicker.maximumImagesCount = 100; //Set the maximum number of images to select to 100
elcPicker.returnsOriginalImage = YES; //Only return the fullScreenImage, not the fullResolutionImage
elcPicker.returnsImage = YES; //Return UIimage if YES. If NO, only return asset location information
elcPicker.onOrder = YES; //For multiple image selection, display and return order of selected images
elcPicker.mediaTypes = #[(NSString *)kUTTypeImage, (NSString *)kUTTypeMovie]; //Supports image and movie types
elcPicker.imagePickerDelegate = self;
[self presentViewController:elcPicker animated:YES completion:nil];
}
get images from this methods.
- (void)elcImagePickerController:(ELCImagePickerController *)picker didFinishPickingMediaWithInfo:(NSArray *)info
{
[self dismissViewControllerAnimated:YES completion:nil];
for (NSDictionary *dict in info)
{
if ([dict objectForKey:UIImagePickerControllerMediaType] == ALAssetTypePhoto)
{
if ([dict objectForKey:UIImagePickerControllerOriginalImage])
{
UIImage* image=[dict objectForKey:UIImagePickerControllerOriginalImage];
[arrImgs addObject:image];
}
}
}
}
- (void)elcImagePickerControllerDidCancel:(ELCImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
Related
I'm using ELCImagePickerController in my project. Select multiple images from the gallery through it. I'm facing an issue that , how i can show the selected multiple images in an image view in a view controller. I have created a select image button which take us to photolibrary where we select multiple images.My code is,
- (IBAction)Select:(id)sender {
ELCImagePickerController *elcPicker = [[ELCImagePickerController alloc] initImagePicker];
elcPicker.maximumImagesCount = 100; //Set the maximum number of images to select to 100
elcPicker.returnsOriginalImage = YES; //Only return the fullScreenImage, not the fullResolutionImage
elcPicker.returnsImage = YES; //Return UIimage if YES. If NO, only return asset location information
elcPicker.onOrder = YES; //For multiple image selection, display and return order of selected images
// elcPicker.mediaTypes = #[(NSString *)kUTTypeImage, (NSString
*)kUTTypeMovie]; //Supports image and movie types
elcPicker.imagePickerDelegate = self;
[self presentViewController:elcPicker animated:YES completion:nil];
}
- (void)elcImagePickerController:(ELCImagePickerController *)picker
didFinishPickingMediaWithInfo:(NSArray *)info
{
[self dismissViewControllerAnimated:YES completion:nil];
for (NSDictionary *dict in info)
{
if ([dict objectForKey:UIImagePickerControllerMediaType] ==
ALAssetTypePhoto)
{
if ([dict objectForKey:UIImagePickerControllerOriginalImage])
{
UIImage* image=[dict
objectForKey:UIImagePickerControllerOriginalImage];
_arrimage.image;
}
}
}
}
- (void)elcImagePickerControllerDidCancel:(ELCImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
You can use CreolePhotoSelection to get and select multiple images. It will help to you gets multiple selection and retrieve all selected value into delegate method.
Below is the sample code for it:
CreolePhotoSelection *objCreolePhotoSelection= [[CreolePhotoSelection alloc] initWithNibName:#"CreolePhotoSelection" bundle:nil];
objCreolePhotoSelection.strTitle = YOUR_TITLE_FOR_PHOTO_VIEW;
objCreolePhotoSelection.delegate = self; // It will help to retrive all selected photos from CreolePhotoSelection
objCreolePhotoSelection.arySelectedPhoto = YOUR_CURRENT_ARRAY; // You need to pass same array which is holding selected image
objCreolePhotoSelection.maxCount = YOUR_MAX_PHOTOS_LIMIT; // Eg. 5, 10 anythings...
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:objCreolePhotoSelection];
[self.navigationController presentViewController:navController animated:YES completion:nil];
// Delegate Method
#pragma mark - Photo selected Delegate Method
-(void)getSelectedPhoto:(NSMutableArray *)aryPhoto
{
// You will selected image array into aryPhoto object and you can use it
}
First of all an Image View is to show a single image. From the piece of code you shared I am not clear what did you mean by
UIImage* image=[dict
objectForKey:UIImagePickerControllerOriginalImage];
_arrimage.image;
What does this _arrimage mean? Is that a reference to the Image view? then it should be
_arrimage.image = image; //the image fetched in the above line
But this won't fix your issue as this will show only the very last object found in the for loop (probably the last selected image).
To show all selected images it is better to go with a collection view with the array of images as the data source and load each images in each cells of the collection view.
If you want to show all images within the same image view, there is another option by setting it as animationimages
imageView.animationImages = imagesListArray //the list of image you selected
imageView.animationDuration = 2.0
imageView.startAnimating()
This just show each images one at a time from the array with a time interval of 2 seconds
You can't Show Multiple Images in a single ImageView at a same time but yes you can show multiple images on a same ImageView for sometime using Image Animation.
var imagesArray = [UIImage]()
for imageName in 1...3
{
imagesArray.append(UIImage(named: "\(imageName).png")!)
}
// You can also use below code to add images if not want to use loop
// imagesArray.append(UIImage(named: "a.png")!)
// imagesArray.append(UIImage(named: "b.png")!)
// imagesArray.append(UIImage(named: "c.png")!)
self.imageView.animationImages = imagesArray
self.imageView.animationDuration = 2.0
self.imageView.startAnimating()
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I want images to be displayed dynamically, for ex- if user selects 10 images, all those should get displayed, now if user wants to select 5 more images, so (10+5) 15 images should get displayed. How to achieve this functionality?
I am using UIImagePickerController to select images, so at a time user will be able to select 1 image only.I have given a add photo button.
UIImagePickerController *galleryObj=[[UIImagePickerController alloc]init];
galleryObj.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;
galleryObj.allowsEditing = YES;
galleryObj.delegate=self;
[self presentViewController:galleryObj animated:YES completion:nil];
Above will get executed when user taps on add photo button.
//GalleryViewcontroller.h
#import <UIKit/UIKit.h>
#interface GallaryViewController : UIViewController<UIImagePickerControllerDelegate>
{
NSMutableArray *selectedImagesArray;
}
#end
GalleryViewcontroller.m
#implementation GallaryViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
//allocating array
selectedImagesArray=[[NSMutableArray alloc]init];
}
-(IBAction)openGallery:(id)sender
{
UIImagePickerController *galleryObj=[[UIImagePickerController alloc]init];
galleryObj.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;
galleryObj.allowsEditing = YES;
galleryObj.delegate=self;
[self presentViewController:galleryObj animated:YES completion:nil];
}
#pragma mark UIImagePickerController Delegate
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
//here we are adding the image in array
[selectedImagesArray addObject:[info objectForKey:UIImagePickerControllerOriginalImage]];
NSLog(#"%#",selectedImagesArray);
//reload your colleciton view or tableview or any other view which your using to show selected images
//you can get images by index
//UIImage *img=[selectedImagesArray objectAtIndex:0];
}];
}
#end
i have created a simple app with two buttons and one uiimageview.
One button takes a photo from photo library and puts it on uiimageview.
When the user adds another photo the old one should be saved and then user can swipe between these two photos.
another button takes a photo and put it on uiimageview.
So now i'm really confused about swiping between photos. I read that uiimageview can contain only one image. Also, i read that i need to add uiScrollView to UiImageView, but i don't know how they work together.
should i delete my UIImageView and then create ScrollView instead of it?
Here is my code
- (void)viewDidLoad {
[super viewDidLoad];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
- (IBAction)pickPhoto:(id)sender {
picker1 = [[UIImagePickerController alloc]init];
picker1.delegate = self;
[picker1 setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
[self presentViewController:picker1 animated:YES completion:NULL];
}
- (IBAction)takePhoto:(id)sender {
picker2 = [[UIImagePickerController alloc]init];
picker2.delegate = self;
if([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]){
}
else{
NSLog(#"not avaialbe");
}
[self presentViewController:picker2 animated:YES completion:NULL];
}
- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
image = [info objectForKey:UIImagePickerControllerOriginalImage];
[self.imageView setImage:image];
[self dismissViewControllerAnimated:YES completion:NULL];
}
- (void) imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:NULL];
}
UPDATE
So i have added a method that allows user to swipe left or right and he can see different pictures, however, i had to hard code my images into the code. But i want to select images from the photo library, then these images will be saved in the array and then if user adds more pictures he has a choice to swipe through his old images.
Here is my code for swiping through the images
- (IBAction)Swipe:(id)sender {
NSArray *images = [[NSArray alloc]initWithObjects:#"ayat.png", #"qwe.png",#"4444", #"15", nil];
UISwipeGestureRecognizerDirection direction = [(UISwipeGestureRecognizer *) sender direction];
switch(direction)
{
case UISwipeGestureRecognizerDirectionLeft:
imageIndex++;
break;
case UISwipeGestureRecognizerDirectionRight:
imageIndex--;
break;
default:
break;
}
imageIndex = (imageIndex <0)?([images count] -1 ):
imageIndex % [images count];
self.imageView.image = [UIImage imageNamed:[images objectAtIndex:imageIndex]];
}
but here i added pictures to my project.
It's true that a UIImageView can display only a single image.
There are various ways to handle this. One would be to use a UIPageViewController. That would enable you to set up side-swipe based paging between pages of content. There is a sample app from Apple called PhotoScroller (it used to be linked from the Xcode help system. With Xcode 6, apple seems to have removed all sample code. You'll have to search the net for the sample app. That app also includes tiled rendering, which is likely overkill for your application, but it does show how to set up a page view controller.
You could also use a UICollectionView, or create your own custom view that manages a set of views.
Actually now that I think about it a UICollectionView set up for paging might be your best bet.
Hi is it possible to capture an Image with out saving to ios device .This is a question that is worrying me.
Can any please give me an idea how to achieve it.
Yes it is possible:
- (void)takePhoto
{
UIImagePickerController * pc = [[UIImagePickerController alloc] init];
pc.sourceType = UIImagePickerControllerSourceTypeCamera;
pc.delegate = self;
pc.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera];
pc.allowsEditing = YES;
[self presentViewController:pc animated:YES completion:^{
}];
}
#pragma mark - UIImagePickerController Delegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
UIImage * image = [info valueForKey:#"UIImagePickerControllerOriginalImage"];
self.imageView.image = image;
}];
}
Edit:
If you want to save the image you can simply save it to the Caches directory (see the apple docs for NSFileManager for info on how to do this, or other stack overflow questions. This is preferred to NSUserDefaults although that would work too.
If you want to simply send it (via email, share, or API upload) you dont have to save it first. You can use the in-memory version that resides in the self.imageView.image property above.
I use standart image picker to make some camera photo.
When user makes photo image picker shows him the Preview screen with 2 buttons "Retake" and "Use".
How to detect that Preview screen is active now or "Retake" button pressed? Is it possible ? Are the useful properties or events? Something like when image source is library the is property - allows editing, which shows similar screen .
UIImagePickerController * imagePicker = [[UIImagePickerController alloc] init];
imagePicker.delegate = self;
imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
A bit after the fact, but maybe someone is still seeking this answer like I was. If you want continue using the native camera controls, you can check the subviews of the ImagePickerController to determine if the post-record view is showing.
BOOL videoTaken = NO;
for (UIView *aView in self.imagePickerController.view.subviews[0].subviews[0].subviews[0].subviews)
{
if ([aView isKindOfClass:NSClassFromString(#"PLTileContainerView")])
{
videoTaken = YES;
break;
}
}
The "PLTileContainerView" is the subview that contains the editing slider that lets you view your video frame by frame, so if it's present, that means your video has already recorded.
For use:
- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissModalViewControllerAnimated:NO];
NSString *type = [info objectForKey:#"UIImagePickerControllerMediaType"];
if ([type isEqualToString:#"public.movie"]) {
} else {
UIImage *image = [info objectForKey:#"UIImagePickerControllerOriginalImage"];
}
}
For Cancel you don't have a way of detecting it (other than subclassing UIImagePickerController, which may be prohibited, or other way that I'm not aware), but for sure the second cancel is detectable :
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
[picker dismissModalViewControllerAnimated:YES];
}