优化照片排序方式的设置...

TZImagePickerController.podspec

 Pod::Spec.new do |s|
   s.name         = "TZImagePickerController"
-  s.version      = "1.6.8"
+  s.version      = "1.6.9"
   s.summary      = "A clone of UIImagePickerController, support picking multiple photos、original photo and video"
   s.homepage     = "https://github.com/banchichen/TZImagePickerController"
   s.license      = "MIT"
   s.author       = { "banchichen" => "tanzhenios@foxmail.com" }
   s.platform     = :ios
   s.ios.deployment_target = "6.0"
-  s.source       = { :git => "https://github.com/banchichen/TZImagePickerController.git", :tag => "1.6.8" }
+  s.source       = { :git => "https://github.com/banchichen/TZImagePickerController.git", :tag => "1.6.9" }
   s.requires_arc = true
   s.resources    = "TZImagePickerController/TZImagePickerController/*.{png,xib,nib,bundle}"
   s.source_files = "TZImagePickerController/TZImagePickerController/*.{h,m}"

TZImagePickerController/TZImagePickerController/TZImageManager.h

@@ -68,3 +68,8 @@
 - (BOOL)isCameraRollAlbum:(NSString *)albumName;
 
 @end
+
+
+//@interface TZSortDescriptor : NSSortDescriptor
+//
+//@end

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -82,8 +82,10 @@ static CGFloat TZScreenScale;
         if (!allowPickingVideo) option.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld", PHAssetMediaTypeImage];
         if (!allowPickingImage) option.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld",
                                                     PHAssetMediaTypeVideo];
-        // option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:self.sortAscendingByModificationDate]];
-        option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"modificationDate" ascending:self.sortAscendingByModificationDate]];
+        // option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"modificationDate" ascending:self.sortAscendingByModificationDate]];
+        if (!self.sortAscendingByModificationDate) {
+            option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:self.sortAscendingByModificationDate]];
+        }
         PHFetchResult *smartAlbums = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeSmartAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
         for (PHAssetCollection *collection in smartAlbums) {
             // 有可能是PHCollectionList类的的对象，过滤掉
@@ -118,8 +120,10 @@ static CGFloat TZScreenScale;
         if (!allowPickingVideo) option.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld", PHAssetMediaTypeImage];
         if (!allowPickingImage) option.predicate = [NSPredicate predicateWithFormat:@"mediaType == %ld",
                                                     PHAssetMediaTypeVideo];
-        // option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:self.sortAscendingByModificationDate]];
-        option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"modificationDate" ascending:self.sortAscendingByModificationDate]];
+        // option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"modificationDate" ascending:self.sortAscendingByModificationDate]];
+        if (!self.sortAscendingByModificationDate) {
+            option.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:self.sortAscendingByModificationDate]];
+        }
         PHFetchResult *smartAlbums = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeSmartAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
         PHFetchResult *topLevelUserCollections = [PHCollectionList fetchTopLevelUserCollectionsWithOptions:nil];
         
@@ -861,3 +865,12 @@ static CGFloat TZScreenScale;
 }
 
 @end
+
+
+//@implementation TZSortDescriptor
+//
+//- (id)reversedSortDescriptor {
+//    return [NSNumber numberWithBool:![TZImageManager manager].sortAscendingByModificationDate];
+//}
+//
+//@end

TZImagePickerController/TZImagePickerController/TZImagePickerController.h

@@ -4,7 +4,7 @@
 //
 //  Created by 谭真 on 15/12/24.
 //  Copyright © 2015年 谭真. All rights reserved.
-//  version 1.6.9 - 2016.10.11
+//  version 1.6.10 - 2016.10.17
 
 /*
  经过测试，比起xib的方式，把TZAssetCell改用纯代码的方式来写，滑动帧数明显提高了（约提高10帧左右）

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -4,7 +4,7 @@
 //
 //  Created by 谭真 on 15/12/24.
 //  Copyright © 2015年 谭真. All rights reserved.
-//  version 1.6.9 - 2016.10.11
+//  version 1.6.10 - 2016.10.17
 
 #import "TZImagePickerController.h"
 #import "TZPhotoPickerController.h"