Ios-Get all photos in the system album, ios-get album photos

Ios-Get all photos in the system album, ios-get album photos

# Import <AssetsLibrary/AssetsLibrary. h>

 

 

-(Void) getImgs {

Dispatch_async (dispatch_get_main_queue (), ^ {

NSAID utoreleasepool * pool = [[NSAID utoreleasepoolalloc] init];

ALAssetsLibraryAccessFailureBlock failureblock = ^ (NSError * myerror ){

NSLog (@ "album Access failed =%@", [myerrorlocalizedDescription]);

If ([myerror. localizedDescription rangeOfString: @ "Global denied access"]. location! = NSNotFound ){

NSLog (@ "unable to access the album. Please go to 'settings-> locate service' and set it to open .");

} Else {

NSLog (@ "album Access failed .");

}

};

ALAssetsGroupEnumerationResultsBlock groupEnumerAtion = ^ (ALAsset * result, NSUInteger index, BOOL * stop ){

If (result! = NULL ){

If ([[result valueForProperty: ALAssetPropertyType] isEqualToString: ALAssetTypePhoto]) {

NSString * urlstr = [NSString stringWithFormat: @ "% @", result. defaultRepresentation. url]; // the url of the image

/* Result. defaultRepresentation. fullScreenImage // large image

Result. thumbnail // thumbnail of the image

// Nsange range1 = [urlstr rangeOfString: @ "id ="];

// NSString * resultName = [urlstr substringFromIndex: range1.location + 3];

// ResultName = [resultName stringByReplacingOccurrencesOfString: @ "& ext =" withString: @ "."]; // format demo: 123456.png

*/

[Self. _ dataArray addObject: urlstr];

}

}

};

ALAssetsLibraryGroupsEnumerationResultsBlock

LibraryGroupsEnumeration = ^ (ALAssetsGroup * group, BOOL * stop ){

If (group = nil)

{

}

If (group! = Nil ){

NSString * g = [NSString stringWithFormat: @ "% @", group]; // gets the album group.

NSLog (@ "gg: % @", g );//Gg: ALAssetsGroup-Name: Camera Roll, Type: Saved Photos, Assets count: 71

 

NSString * g1 = [g substringFromIndex: 16];

NSArray * arr = [NSArray arrayWithArray: [g1componentsSeparatedByString: @ ","];

NSString * g2 = [[arr objectAtIndex: 0] substringFromIndex: 5];

If ([g2 isEqualToString: @ "Camera Roll"]) {

G2 = @ "camera film ";

}

NSString * groupName = g2; // group name

[GroupenumerateAssetsUsingBlock: groupEnumerAtion];

}

};

ALAssetsLibrary * library = [[ALAssetsLibraryalloc] init];

[LibraryenumerateGroupsWithTypes: ALAssetsGroupAll

UsingBlock: libraryGroupsEnumeration

FailureBlock: failureblock];

[Library release];

 

[Pool release];

});

}

 

// ------------------------ Reverse image Extraction Based on the image url -----

 

ALAssetsLibrary * assetLibrary = [[ALAssetsLibraryalloc] init];

NSURL * url = [NSURLURLWithString: urlStr];

[AssetLibrary assetForURL: url resultBlock: ^ (ALAsset * asset ){

UIImage * image = [UIImage imageWithCGImage: asset. thumbnail];

CellImageView. image = image;

} FailureBlock: ^ (NSError * error ){

NSLog (@ "error = % @", error );

}

];

//---------------------