类似于微信里集成的相册功能，可以选择要上传照片或者视频
选择与预览照片：
关于AlbumPicker：
- 分别用Swift与Objective-C编写两个版本
- 可以选择相册里面的所有资源，也可以只设置选择图片
- 根据要求限制选取资源的最大数量，默认没有限制
- 打开
AlbumPicker.xcworkspace工作区选择AlbumPicker项目 - 把项目里的
LSYAlbumPicker_OC文件及里面的所有文件拷贝到其他Objective-C项目中 - 由于项目中用到很多宏定义，所以需要把
AlbumPicker-prefix.pch里面自定义宏拷贝到其他项目中的.pch文件中
- 基于
Xcode 6.4 Swift 1.2编译正常，低版本或者高版本的Xcode可能会因为Swift版本不同而编译不通过， - 打开
AlbumPicker.xcworkspace工作区选择AlbumPicker_Swift项目 - 把项目里的
LSYAlbumPicker_Swift文件以及里面所有文件拷贝到其他Swift项目中
#import "LSYAlbumCatalog.h"在该项目里用的是自定义的导航栏，可以根据项目的需求来改变导航栏样式。所以在该项目里导入了两个头文件
#import "LSYAlbumCatalog.h"
#import "LSYNavigationController.h"Swift直接使用即可
LSYAlbumCatalog *albumCatalog = [[LSYAlbumCatalog alloc] init];
albumCatalog.delegate = self;
LSYNavigationController *navigation = [[LSYNavigationController alloc] initWithRootViewController:albumCatalog];
[self presentViewController:navigation animated:YES completion:^{
}]; var albumCatalog:LSYAlbumCatalog! = LSYAlbumCatalog()
albumCatalog.delegate = self
var navigation:LSYNavigationController! = LSYNavigationController(rootViewController:albumCatalog)
self.presentViewController(navigation, animated: true) { () -> Void in
}实现LSYAlbumCatalogDelegate的方法
-(void)AlbumDidFinishPick:(NSArray *)assets
{
for (ALAsset *asset in assets) {
if ([[asset valueForProperty:@"ALAssetPropertyType"] isEqual:@"ALAssetTypePhoto"]) {
UIImage * img = [UIImage imageWithCGImage:asset.defaultRepresentation.fullResolutionImage];
}
else if ([[asset valueForProperty:@"ALAssetPropertyType"] isEqual:@"ALAssetTypeVideo"]){
NSURL *url = asset.defaultRepresentation.url;
}
}
}
func AlbumDidFinishPick(assets: NSArray) {
for asset in assets {
if (asset as!ALAsset).valueForProperty("ALAssetPropertyType").isEqual("ALAssetTypePhoto") {
var img = UIImage(CGImage: (asset as! ALAsset).defaultRepresentation().fullResolutionImage().takeUnretainedValue());
}
else if (asset as!ALAsset).valueForProperty("ALAssetPropertyType").isEqual("ALAssetTypeVideo") {
var url = (asset as! ALAsset).defaultRepresentation().url()
}
}
}选择相册中的所有资源，并且设置最多选择的数量
LSYAlbumCatalog *albumCatalog = [[LSYAlbumCatalog alloc] init];
albumCatalog.maximumNumberOfSelectionMedia = 5;只选择相册中的相片，并且设置最多选择的数量
LSYAlbumCatalog *albumCatalog = [[LSYAlbumCatalog alloc] init];
albumCatalog.maximumNumberOfSelectionPhoto = 5;选择相册中的所有资源，并且设置最多选择的数量
var albumCatalog:LSYAlbumCatalog! = LSYAlbumCatalog()
albumCatalog.maximumNumberOfSelectionMedia = 5只选择相册中的相片，并且设置最多选择的数量
var albumCatalog:LSYAlbumCatalog! = LSYAlbumCatalog()
albumCatalog.maximumNumberOfSelectionPhoto = 5-(void)AlbumDidFinishPick:(NSArray *)assets
{
dispatch_semaphore_t sem = dispatch_semaphore_create(0);
dispatch_queue_t queue = dispatch_queue_create("uploadImg", NULL);
dispatch_async(queue, ^{
for (ALAsset *asset in assets) {
if ([[asset valueForProperty:@"ALAssetPropertyType"] isEqual:@"ALAssetTypePhoto"]) {
//执行要上传图片的操作...
void (^uploadImg) (BOOL isFinish) = ^(BOOL isFinish){
//上传完成后回调
dispatch_semaphore_signal(sem);
};
}
dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
}
});
} func AlbumDidFinishPick(assets: NSArray) {
var sem = dispatch_semaphore_create(0);
var queue = dispatch_queue_create("uploadImg", nil)
dispatch_async(queue, { () -> Void in
for asset in assets {
if (asset as!ALAsset).valueForProperty("ALAssetPropertyType").isEqual("ALAssetTypePhoto") {
//执行要上传图片的操作...
var uploadImag = {(isFinish:Bool) -> Void in
//上传完成后回调
dispatch_semaphore_signal(sem);
}
}
dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
}
})
}
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