"Learn iOS: UI series" Get the name information for a system album picture obtained via Uiimagepackercontroller

Getting the system's photo albums through the Iuimagepickercontroller method requires the following steps to get the picture from the system album:

1: Obtain the assert of the selected photos from Uiimagepicker;

2: Alassertrepresentation to be assert;

3:alassertrepresentation has a filename property.

The code is specific as follows:

This method is a method in the proxy in Uiimagepickercontroller

    -(void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (NSDictionary *) info {                Nsurl *imageurl = [info valueforkey:uiimagepickercontrollerreferenceurl];          Alassetslibraryassetforurlresultblock Resultblock = ^ (Alasset *myasset)          {              alassetrepresentation * representation = [Myasset defaultrepresentation];              NSString *filename = [representation fileName];              NSLog (@ "FileName:%@", filename);          };                alassetslibrary* assetslibrary = [[[[Alassetslibrary alloc] init] autorelease];          [Assetslibrary assetforurl:imageurl                          resultblock:resultblock                        failureblock:nil];            }  

Note: To use the above actions, you need to introduce the following content

#import <AssetsLibrary/ALAsset.h> #import <AssetsLibrary/ALAssetsLibrary.h> #import <assetslibrary/ Alassetsgroup.h> #import <AssetsLibrary/ALAssetRepresentation.h>

The following effects:

Original address: click

"Learn iOS: UI series" Get the name information for a system album picture obtained via Uiimagepackercontroller