//
|
// XFPhotoLibraryManager.m
|
// WeChatVideoDemo
|
//
|
// Created by xf-ling on 2017/6/15.
|
// Copyright © 2017年 LXF. All rights reserved.
|
//
|
|
#import "LXFPhotoLibraryManager.h"
|
#import <Photos/Photos.h>
|
#import <AssetsLibrary/AssetsLibrary.h>
|
|
@implementation LXFPhotoLibraryManager
|
|
/**
|
* 请求照片权限，注意，强烈要求用户获得照片权限，否则视频写入照片会有崩溃
|
*/
|
+ (void)requestALAssetsLibraryAuthorizationWithCompletion:(RequestAssetsLibraryAuthCompletion)requestAssetsLibraryAuthCompletion
|
{
|
PHAuthorizationStatus authStatus = [PHPhotoLibrary authorizationStatus];
|
if (authStatus != PHAuthorizationStatusAuthorized) // 未授权
|
{
|
[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
|
if (status != PHAuthorizationStatusAuthorized) //已授权
|
{
|
NSLog(@"用户拒绝访问相册！");
|
if (requestAssetsLibraryAuthCompletion)
|
{
|
requestAssetsLibraryAuthCompletion(NO);
|
}
|
}
|
else
|
{
|
NSLog(@"用户允许访问相册！");
|
if (requestAssetsLibraryAuthCompletion)
|
{
|
requestAssetsLibraryAuthCompletion(YES);
|
}
|
}
|
}];
|
}
|
else
|
{
|
// nothing
|
}
|
}
|
|
/**
|
* 保存照片
|
*
|
* @param image UImage
|
* @param assetCollectionName 相册名字，不填默认为app名字+相册
|
*/
|
+ (void)savePhotoWithImage:(UIImage *)image andAssetCollectionName:(NSString *)assetCollectionName withCompletion:(SavePhotoCompletionBlock)savePhotoCompletionBlock
|
{
|
if (assetCollectionName == nil)
|
{
|
NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
|
|
assetCollectionName = [infoDictionary objectForKey:@"CFBundleDisplayName"];
|
|
if (assetCollectionName == nil)
|
{
|
assetCollectionName = @"管理平台";
|
}
|
}
|
__block NSString *blockAssetCollectionName = assetCollectionName;
|
__block UIImage *blockImage = image;
|
PHPhotoLibrary *library = [PHPhotoLibrary sharedPhotoLibrary];
|
dispatch_async(dispatch_get_main_queue(), ^{
|
NSError *error = nil;
|
__block NSString *assetId = nil;
|
__block NSString *assetCollectionId = nil;
|
// 1. 存储图片到"相机胶卷"管理平台
|
[library performChangesAndWait:^{
|
assetId = [PHAssetCreationRequest creationRequestForAssetFromImage:blockImage].placeholderForCreatedAsset.localIdentifier;
|
} error:&error];
|
NSLog(@"error1: %@", error);
|
|
// 2. 获得相册对象
|
// 获取曾经创建过的自定义视频相册名字
|
PHAssetCollection *createdAssetCollection = nil;
|
PHFetchResult <PHAssetCollection*> *assetCollections = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
|
for (PHAssetCollection *assetCollection in assetCollections)
|
{
|
if ([assetCollection.localizedTitle isEqualToString:blockAssetCollectionName])
|
{
|
createdAssetCollection = assetCollection;
|
break;
|
}
|
}
|
//如果这个自定义框架没有创建过
|
if (createdAssetCollection == nil)
|
{
|
//创建新的[自定义的 Album](相簿\相册)
|
[library performChangesAndWait:^{
|
|
assetCollectionId = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:blockAssetCollectionName].placeholderForCreatedAssetCollection.localIdentifier;
|
|
} error:&error];
|
|
NSLog(@"error2: %@", error);
|
|
//抓取刚创建完的视频相册对象
|
createdAssetCollection = [PHAssetCollection fetchAssetCollectionsWithLocalIdentifiers:@[assetCollectionId] options:nil].firstObject;
|
}
|
// 将【Camera Roll】(相机胶卷)的视频 添加到【自定义Album】(相簿\相册)中
|
[library performChangesAndWait:^{
|
PHAssetCollectionChangeRequest *request = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:createdAssetCollection];
|
|
[request addAssets:[PHAsset fetchAssetsWithLocalIdentifiers:@[assetId] options:nil]];
|
|
} error:&error];
|
NSLog(@"error3: %@", error);
|
// 提示信息
|
if (savePhotoCompletionBlock)
|
{
|
if (error)
|
{
|
NSLog(@"保存照片失败!");
|
|
savePhotoCompletionBlock(nil, error);
|
}
|
else
|
{
|
NSLog(@"保存照片成功!");
|
|
savePhotoCompletionBlock(blockImage, nil);
|
}
|
}
|
});
|
}
|
//+ (void)savePhotoWithImage:(UIImage *)image andAssetCollectionName:(NSString *)assetCollectionName withCompletion:(SavePhotoCompletionBlock)savePhotoCompletionBlock
|
//{
|
// if (assetCollectionName == nil)
|
// {
|
// NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
|
//
|
// assetCollectionName = [infoDictionary objectForKey:@"CFBundleDisplayName"];
|
//
|
// if (assetCollectionName == nil)
|
// {
|
// assetCollectionName = @"视频相册";
|
// }
|
// }
|
//
|
// __block NSString *blockAssetCollectionName = assetCollectionName;
|
// __block UIImage *blockImage = image;
|
// __block NSString *assetId = nil;
|
//
|
// PHPhotoLibrary *library = [PHPhotoLibrary sharedPhotoLibrary];
|
//
|
// // 1. 存储图片到"相机胶卷"
|
// [library performChanges:^{ // 这个block里保存一些"修改"性质的代码
|
// // 新建一个PHAssetCreationRequest对象, 保存图片到"相机胶卷"
|
// // 返回PHAsset(图片)的字符串标识
|
// assetId = [PHAssetCreationRequest creationRequestForAssetFromImage:blockImage].placeholderForCreatedAsset.localIdentifier;
|
// } completionHandler:^(BOOL success, NSError * _Nullable error) {
|
// if (error) {
|
// NSLog(@"error1%@", error);
|
// return;
|
// }
|
//
|
// NSLog(@"成功保存图片到相机胶卷中");
|
//
|
// // 2. 获得相册对象
|
// // 获取曾经创建过的自定义视频相册名字
|
// PHAssetCollection *createdAssetCollection = nil;
|
// PHFetchResult <PHAssetCollection*> *assetCollections = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
|
// for (PHAssetCollection *assetCollection in assetCollections)
|
// {
|
// if ([assetCollection.localizedTitle isEqualToString:blockAssetCollectionName])
|
// {
|
// createdAssetCollection = assetCollection;
|
// break;
|
// }
|
// }
|
//
|
// //如果这个自定义框架没有创建过
|
// if (createdAssetCollection == nil)
|
// {
|
// //创建新的[自定义的 Album](相簿\相册)
|
// [library performChangesAndWait:^{
|
//
|
// assetId = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:blockAssetCollectionName].placeholderForCreatedAssetCollection.localIdentifier;
|
//
|
// } error:&error];
|
//
|
// NSLog(@"error2: %@", error);
|
//
|
// //抓取刚创建完的视频相册对象
|
// createdAssetCollection = [PHAssetCollection fetchAssetCollectionsWithLocalIdentifiers:@[assetId] options:nil].firstObject;
|
//
|
// }
|
//
|
// // 3. 将“相机胶卷”中的图片添加到新的相册
|
//// [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
|
//// PHAssetCollectionChangeRequest *request = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:createdAssetCollection];
|
////
|
//// // 根据唯一标示获得相片对象
|
//// PHAsset *asset = [PHAsset fetchAssetsWithLocalIdentifiers:@[assetId] options:nil].firstObject;
|
//// // 添加图片到相册中
|
//// [request addAssets:@[asset]];
|
//// } completionHandler:^(BOOL success, NSError * _Nullable error) {
|
//// if (error)
|
//// {
|
//// NSLog(@"添加图片到相册中失败");
|
//// return;
|
//// }
|
////
|
//// NSLog(@"成功添加图片到相册中");
|
//// }];
|
//
|
// // 将【Camera Roll】(相机胶卷)的视频 添加到【自定义Album】(相簿\相册)中
|
// [library performChangesAndWait:^{
|
// PHAssetCollectionChangeRequest *request = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:createdAssetCollection];
|
//
|
// [request addAssets:[PHAsset fetchAssetsWithLocalIdentifiers:@[assetId] options:nil]];
|
//
|
// } error:&error];
|
// NSLog(@"error3: %@", error);
|
// // 提示信息
|
// if (savePhotoCompletionBlock)
|
// {
|
// if (error)
|
// {
|
// NSLog(@"保存照片失败!");
|
//
|
// savePhotoCompletionBlock(nil, error);
|
// }
|
// else
|
// {
|
// NSLog(@"保存照片成功!");
|
//
|
// savePhotoCompletionBlock(blockImage, nil);
|
// }
|
// }
|
//
|
// }];
|
//}
|
|
/**
|
* 保存视频
|
*
|
* @param videoUrl 视频地址
|
* @param assetCollectionName 相册名字，不填默认为app名字+视频
|
*/
|
+ (void)saveVideoWithVideoUrl:(NSURL *)videoUrl andAssetCollectionName:(NSString *)assetCollectionName withCompletion:(SaveVideoCompletionBlock)saveVideoCompletionBlock
|
{
|
if (assetCollectionName == nil)
|
{
|
NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
|
|
assetCollectionName = [infoDictionary objectForKey:@"CFBundleDisplayName"];
|
|
if (assetCollectionName == nil)
|
{
|
assetCollectionName = @"管理平台";
|
}
|
}
|
|
__block NSString *blockAssetCollectionName = assetCollectionName;
|
__block NSURL *blockVideoUrl = videoUrl;
|
PHPhotoLibrary *library = [PHPhotoLibrary sharedPhotoLibrary];
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
NSError *error = nil;
|
__block NSString *assetId = nil;
|
__block NSString *assetCollectionId = nil;
|
|
// 保存视频到【Camera Roll】(相机胶卷)
|
[library performChangesAndWait:^{
|
|
assetId = [PHAssetChangeRequest creationRequestForAssetFromVideoAtFileURL:blockVideoUrl].placeholderForCreatedAsset.localIdentifier;
|
|
} error:&error];
|
|
NSLog(@"error1: %@", error);
|
|
// 获取曾经创建过的自定义视频相册名字
|
PHAssetCollection *createdAssetCollection = nil;
|
PHFetchResult <PHAssetCollection*> *assetCollections = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:nil];
|
for (PHAssetCollection *assetCollection in assetCollections)
|
{
|
if ([assetCollection.localizedTitle isEqualToString:blockAssetCollectionName])
|
{
|
createdAssetCollection = assetCollection;
|
break;
|
}
|
}
|
|
//如果这个自定义框架没有创建过
|
if (createdAssetCollection == nil)
|
{
|
//创建新的[自定义的 Album](相簿\相册)
|
[library performChangesAndWait:^{
|
|
assetCollectionId = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:blockAssetCollectionName].placeholderForCreatedAssetCollection.localIdentifier;
|
|
} error:&error];
|
|
NSLog(@"error2: %@", error);
|
|
//抓取刚创建完的视频相册对象
|
createdAssetCollection = [PHAssetCollection fetchAssetCollectionsWithLocalIdentifiers:@[assetCollectionId] options:nil].firstObject;
|
|
}
|
|
// 将【Camera Roll】(相机胶卷)的视频 添加到【自定义Album】(相簿\相册)中
|
[library performChangesAndWait:^{
|
PHAssetCollectionChangeRequest *request = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:createdAssetCollection];
|
|
[request addAssets:[PHAsset fetchAssetsWithLocalIdentifiers:@[assetId] options:nil]];
|
|
} error:&error];
|
NSLog(@"error3: %@", error);
|
|
// 提示信息
|
if (saveVideoCompletionBlock)
|
{
|
if (error)
|
{
|
NSLog(@"保存视频失败!");
|
|
saveVideoCompletionBlock(nil, error);
|
}
|
else
|
{
|
NSLog(@"保存视频成功!");
|
|
saveVideoCompletionBlock(blockVideoUrl, nil);
|
}
|
}
|
|
});
|
}
|
|
|
@end
|
