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从 ALAsset 中取出属性

 

#pragma mark -  从相册数组中取出所有的 图片数据-(NSMutableArray *)getImageFromAlbumArray:(NSArray *)albumArr{    NSMutableArray *imageArray = [[NSMutableArray alloc]init];    if (albumArr && [albumArr count]!=0) {                for (int i=0;i<[albumArr count];i++) {            ALAsset *  assetPhotos = [albumArr objectAtIndex:i];            //类型, Location , 时长,方向,日期,格式 , URL地址            NSString * nsALAssetPropertyType = [ assetPhotos valueForProperty:ALAssetPropertyType ] ;            NSString * nsALAssetPropertyLocation = [ assetPhotos valueForProperty:ALAssetPropertyLocation ] ;//拍照地址            NSString * nsALAssetPropertyDuration = [ assetPhotos valueForProperty:ALAssetPropertyDuration ] ;            NSString * nsALAssetPropertyOrientation = [ assetPhotos valueForProperty:ALAssetPropertyOrientation ] ;            NSString * nsALAssetPropertyDate = [ assetPhotos valueForProperty:ALAssetPropertyDate ] ;            NSString * nsALAssetPropertyRepresentations = [ assetPhotos valueForProperty:ALAssetPropertyRepresentations ] ;            NSString * nsALAssetPropertyURLs = [ assetPhotos valueForProperty:ALAssetPropertyURLs ] ;            NSString * nsALAssetPropertyAssetURL = [ assetPhotos valueForProperty:ALAssetPropertyAssetURL ] ;                        NSLog(@"**************** ALAsset Date : %@  , URLs : %@ ",nsALAssetPropertyDate,nsALAssetPropertyURLs );                                    //type:ASSET_PHOTO_ASPECT_THUMBNAIL 取大图会造成内存溢出            UIImage *tempImg  = [ASSETHELPER  getImageFromAsset:assetPhotos  type:ASSET_PHOTO_ASPECT_THUMBNAIL];            [imageArray addObject:tempImg];        }            }            return imageArray;}

 

从 ALAsset 中取出属性