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Photo Browser / Viewer inspired by Facebook's and Tweetbot's with ARC support, swipe-to-dismiss, image progress and more

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IDMPhotoBrowser

IDMPhotoBrowser is a new implementation based on MWPhotoBrowser.

We've added both user experience and technical features inspired by Facebook's and Tweetbot's photo browsers.

New features:

  • Uses ARC
  • Uses AFNetworking for image loading
  • Image progress shown
  • Minimalistic Facebook-like interface, swipe up to dismiss
  • Ability to add custom actions on the action sheet

Features

  • Can display one or more images by providing either UIImage objects, file paths to images on the device, or URLs to images online
  • Handles the downloading and caching of photos from the web seamlessly
  • Photos can be zoomed and panned, and optional captions can be displayed

Screenshots

[![Alt][screenshot1_thumb]][screenshot1] [![Alt][screenshot2_thumb]][screenshot2] [![Alt][screenshot3_thumb]][screenshot3] [![Alt][screenshot4_thumb]][screenshot4] [![Alt][screenshot5_thumb]][screenshot5] [screenshot1_thumb]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_thumb1.png [screenshot1]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_ss1.png [screenshot2_thumb]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_thumb2.png [screenshot2]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_ss2.png [screenshot3_thumb]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_thumb3.png [screenshot3]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_ss3.png [screenshot4_thumb]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_thumb4.png [screenshot4]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_ss4.png [screenshot5_thumb]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_thumb5.png [screenshot5]: https://raw.github.com/appkraft/IDMPhotoBrowser/master/Screenshots/idmphotobrowser_ss5.png

Usage

See the code snippet below for an example of how to implement the photo browser.

First create a photos array containing IDMPhoto objects:

    // URLs array
    NSArray *photosURL = @[[NSURL URLWithString:@"http://farm4.static.flickr.com/3567/3523321514_371d9ac42f_b.jpg"], 
    [NSURL URLWithString:@"http://farm4.static.flickr.com/3629/3339128908_7aecabc34b_b.jpg"], 
    [NSURL URLWithString:@"http://farm4.static.flickr.com/3364/3338617424_7ff836d55f_b.jpg"], 
    [NSURL URLWithString:@"http://farm4.static.flickr.com/3590/3329114220_5fbc5bc92b_b.jpg"]];
    
    // Create an array to store IDMPhoto objects
    NSMutableArray *photos = [[NSMutableArray alloc] init];
    
    for (NSURL *url in photosURL) {
        IDMPhoto *photo = [IDMPhoto photoWithURL:url];
    	[photos addObject:photo];
    }

There are two main ways to presente the photoBrowser: With a fade on screen or with a zooming effect from an existing view.

Presenting using a simple fade transition:

    // Create and setup browser
    IDMPhotoBrowser *browser = [[IDMPhotoBrowser alloc] initWithPhotos:photos];

Presenting from a view:

    // Create and setup browser
    IDMPhotoBrowser *browser = [[IDMPhotoBrowser alloc] initWithPhotos:photos animatedFromView:sender];

You can customize the toolbar. There are three boolean properties you can set: displayActionButton (default is YES), displayArrowButton (default is YES) and displayCounterLabel (default is NO). If you dont want the toolbar at all, you can set displayToolbar = NO.

Toolbar setup example:

    browser.displayActionButton = NO;
    browser.displayArrowButton = YES;
    browser.displayCounterLabel = YES;

If you want to use custom actions, set the actionButtonTitles array with the titles for the actionSheet. Then, implement the photoBrowser:didDismissActionSheetWithButtonIndex: method, from the IDMPhotoBrowser delegate

    browser.actionButtonTitles = @[@"Option 1", @"Option 2", @"Option 3", @"Option 4"];

Presenting using a modal view controller:

    // Show
    [self presentViewController:browser animated:YES completion:nil];

Photo Captions

Photo captions can be displayed simply by setting the caption property on specific photos:

IDMPhoto *photo = [IDMPhoto photoWithFilePath:[[NSBundle mainBundle] pathForResource:@"photo2l" ofType:@"jpg"]];
photo.caption = @"Campervan";

No caption will be displayed if the caption property is not set.

Custom Captions

By default, the caption is a simple black transparent view with a label displaying the photo's caption in white. If you want to implement your own caption view, follow these steps:

  1. Optionally use a subclass of IDMPhoto for your photos so you can store more data than a simple caption string.
  2. Subclass IDMCaptionView and override -setupCaption and -sizeThatFits: (and any other UIView methods you see fit) to layout your own view and set it's size. More information on this can be found in IDMCaptionView.h
  3. Implement the -photoBrowser:captionViewForPhotoAtIndex: IDMPhotoBrowser delegate method (shown below).

Example delegate method for custom caption view:

- (IDMCaptionView *)photoBrowser:(IDMPhotoBrowser *)photoBrowser captionViewForPhotoAtIndex:(NSUInteger)index {
    IDMPhoto *photo = [self.photos objectAtIndex:index];
    MyIDMCaptionViewSubclass *captionView = [[MyIDMCaptionViewSubclass alloc] initWithPhoto:photo];
    return [captionView autorelease];
}

Adding to your project

Using CocoaPods

Just add pod 'IDMPhotoBrowser' to your Podfile.

Including Source Directly Into Your Project

Simply add the files inside IDMPhotoBrowser/Classes to your Xcode project, copying them to your project's directory if required. And also any library inside IDMPhotoBrowser/ExternalLibraries needed.

Opensource libraries used

Licence

This project uses MIT License.

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Photo Browser / Viewer inspired by Facebook's and Tweetbot's with ARC support, swipe-to-dismiss, image progress and more

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