add

2018-09-23 01:30:29 +08:00
parent db1740e72b
commit 3508cab25e
80 changed files with 3687 additions and 127 deletions
@@ -0,0 +1,23 @@
+//
+//  SJPhotoPickerManager.h
+//  SJPhotoPickerDemo
+//
+//  Created by Jaesun on 16/8/19.
+//  Copyright © 2016年 S.J. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <Photos/Photos.h>
+
+typedef void(^ImageBlcok)(UIImage *image);
+
+typedef void(^AlbumBlock)(NSArray *albumArray);
+
+@interface SJPhotoPickerManager : NSObject
+
+ (instancetype)shareSJPhotoPickerManager;
+
+- (void)requestImageForPHAsset:(PHAsset *)asset targetSize:(CGSize)targetSize imageResult:(ImageBlcok)imageBlock;
+- (void)requestAlbumsWithType:(PHAssetCollectionType)type albumResult:(AlbumBlock)albumBlock;
+
+@end
@@ -0,0 +1,84 @@
+//
+//  SJPhotoPickerManager.m
+//  SJPhotoPickerDemo
+//
+//  Created by Jaesun on 16/8/19.
+//  Copyright © 2016年 S.J. All rights reserved.
+//
+
+#import "SJPhotoPickerManager.h"
+
+#import "SJAlbumModel.h"
+
+@interface SJPhotoPickerManager()
+
+@end
+
+
+@implementation SJPhotoPickerManager
+
+ (instancetype)shareSJPhotoPickerManager {
+    
+    static SJPhotoPickerManager *manager = nil;
+    
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        if (!manager) {
+            manager = [[SJPhotoPickerManager alloc] init];
+        }
+    });
+    return manager;
+}
+
+- (void)requestImageForPHAsset:(PHAsset *)asset targetSize:(CGSize)targetSize imageResult:(ImageBlcok)imageBlock {
+    
+    // 使用PHImageManager从PHAsset中请求图片
+    PHImageManager *imageManager = [[PHImageManager alloc] init];
+    
+    
+    
+    PHImageRequestOptions *options = [[PHImageRequestOptions alloc] init];
+    options.resizeMode = PHImageRequestOptionsResizeModeExact;
+    options.networkAccessAllowed = YES;
+    [imageManager requestImageForAsset:asset targetSize:targetSize contentMode:PHImageContentModeAspectFit options:options resultHandler:^(UIImage * _Nullable result, NSDictionary * _Nullable info) {
+        if (result) {
+            imageBlock(result);
+        }
+    }];
+    
+}
+
+- (void)requestAlbumsWithType:(PHAssetCollectionType)type albumResult:(AlbumBlock)albumBlock {
+   
+    // 列出所有相册智能相册
+    PHFetchResult *assetCollectionResult = [PHAssetCollection fetchAssetCollectionsWithType:type subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
+    
+
+    NSMutableArray *albumArray = [NSMutableArray array];
+    // 这时 smartAlbums 中保存的应该是各个智能相册对应的 PHAssetCollection
+    for (NSInteger i = 0; i < assetCollectionResult.count; i++) {
+        
+        // 获取一个相册（PHAssetCollection）
+        PHCollection *collection = assetCollectionResult[i];
+        if ([collection class] == [PHAssetCollection class]) {
+            
+            PHAssetCollection *assetCollection = (PHAssetCollection *)collection;
+     
+            
+            PHFetchResult *assetResult = [PHAsset fetchAssetsInAssetCollection:assetCollection options:nil];
+            
+            if (assetResult.count != 0) {
+                
+                SJAlbumModel *model = [[SJAlbumModel alloc] init];
+                model.title = collection.localizedTitle;
+                model.assetResult = assetResult;
+                
+                [albumArray addObject:model];
+            }
+        }
+        albumBlock(albumArray);
+    }
+
+}
+
+@end