- //获取相册的所有图片
- - (void)reloadImagesFromLibrary
- {
- self.images = [[NSMutableArray alloc] init];
- dispatch_async(dispatch_get_main_queue(), ^{
- @autoreleasepool {
- ALAssetsLibraryAccessFailureBlock failureblock = ^(NSError *myerror){
- NSLog(@"相册访问失败 =%@", [myerror localizedDescription]);
- if ([myerror.localizedDescription rangeOfString:@"Global denied access"].location!=NSNotFound) {
- NSLog(@"无法访问相册.请在'设置->定位服务'设置为打开状态.");
- }else{
- NSLog(@"相册访问失败.");
- }
- };
- ALAssetsGroupEnumerationResultsBlock groupEnumerAtion = ^(ALAsset *result, NSUInteger index, BOOL *stop){
- if (result!=NULL) {
- if ([[result valueForProperty:ALAssetPropertyType] isEqualToString:ALAssetTypePhoto]) {
- NSString *urlstr=[NSString stringWithFormat:@"%@",result.defaultRepresentation.url];//图片的url
- [self.images addObject:urlstr];
- //NSLog(@"urlStr is %@",urlstr);
- /*result.defaultRepresentation.fullScreenImage//图片的大图
- result.thumbnail //图片的缩略图小图
- // NSRange range1=[urlstr rangeOfString:@"id="];
- // NSString *resultName=[urlstr substringFromIndex:range1.location+3];
- // resultName=[resultName stringByReplacingOccurrencesOfString:@"&ext=" withString:@"."];//格式demo:123456.png
- */
- }
- }
- };
- ALAssetsLibraryGroupsEnumerationResultsBlock libraryGroupsEnumeration = ^(ALAssetsGroup* group, BOOL* stop){
- if (group == nil)
- {
- }
- if (group!=nil) {
- NSString *g=[NSString stringWithFormat:@"%@",group];//获取相簿的组
- NSLog(@"gg:%@",g);//gg:ALAssetsGroup - Name:Camera Roll, Type:Saved Photos, Assets count:71
- NSString *g1=[g substringFromIndex:16 ] ;
- NSArray *arr=[[NSArray alloc] init];
- arr=[g1 componentsSeparatedByString:@","];
- NSString *g2=[[arr objectAtIndex:0] substringFromIndex:5];
- if ([g2 isEqualToString:@"Camera Roll"]) {
- [email protected]"相机胶卷";
- }
- NSString *groupName=g2;//组的name
- [group enumerateAssetsUsingBlock:groupEnumerAtion];
- }
- };
- ALAssetsLibrary* library = [[ALAssetsLibrary alloc] init];
- [library enumerateGroupsWithTypes:ALAssetsGroupAll
- usingBlock:libraryGroupsEnumeration
- failureBlock:failureblock];
- }
- });
- }
来源: http://www.phpxs.com/code/1006588/