alassetslibrary

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iPhone ALAssetsLibrary get all images and edit

please help me with my qu开发者_如何学编程estion: Can I give URLs and metadata for all the images/videos in iPhone library with ALAssetsLibrary?[详细]

2023-04-08 13:25 分类：问答
How to get photos from camera roll?

I tried to use ALAssetLibrary to get albums and photos. This is my code: void (^assetEnumerator)(struct ALAsset *, NSUInteger, BOOL *) = ^(ALAsset *result, NSUInteger index, BOOL *stop) {[详细]

2023-04-08 02:25 分类：问答
MD5 hash of an ALAssetRepresentation image does not match a duplicated ALAssetRepresentation image's hash

I am using the following to create an NSData object from an ALAssetRepresentation to both export an image file as well as create an md5 hash from:[详细]

2023-04-06 04:30 分类：问答
writeImageToSavedPhotosAlbum too slow?

I\'m developing an iPhone app that includes some standard \"camera\" functions. Saving to camera roll is really TOO slow, it requires about four seconds on iPhone 4. Is there some way to improve speed[详细]

2023-04-02 14:25 分类：问答
how can i write a NSData file as Video in to Photolibrary/SavedPhotosAlbum?

i have a Video file as NSData.how can i write the NSData file as Video in to Photolibrary/SavedPhotosAlbum?[详细]

2023-04-02 08:09 分类：问答
Wait for assetForURL blocks to be completed

I would like to wait this code to be executed before to continue but as these blocks are called assynchronously I don\'t know how to do???[详细]

2023-03-31 18:55 分类：问答
Different behavior between iPhone and iPad with the Assets Library

I\'m using the Assets Library on an app to enumerate the Photos Events of a device. My code works fine when i test it on my iPad. The Photos Events are enumerated and i can handle them perfectly. Whe[详细]

2023-03-31 05:15 分类：问答
Logic tests hang in -[MKTileCache init] () after linking AssetsLibrary.framework

My iOS app has a bunch of simple logic tests, which we run in a continuous integration using buildot.[详细]

2023-03-30 10:16 分类：问答
UIImagePicker and ALAAssetRepresentation problem in iOS5

I\'ve noticed that the NSDictionary returned by UIImagePicker for Camera Roll seems to no longer return a UIImagePickerControllerOriginalImage object.Instead I get a UIImageControllerReferenceURL, req[详细]

2023-03-23 22:16 分类：问答
Is ALAssetsLibrary's enumerateGroupsWithTypes:usingBlock:failureBlock: "broken" in iOS 4.3.4?

I\'m developing an iOS app that is based on ALAssetsLibrary api (available since 4.0), I use it to retrieve all the images and videos saved on the device and it\'s been pretty simple to do that. Anywa[详细]

2023-03-22 18:16 分类：问答