// Requests all album and smart albums collections to be fetched.
public override void ViewDidLoad()
{
base.ViewDidLoad();
// TODO: https://trello.com/c/ZLOvAFWp
PHPhotoLibrary.RequestAuthorization(status => {
if (status != PHAuthorizationStatus.Authorized)
{
return;
}
// Fetch all albums
var allAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, null)
.Cast <PHAssetCollection> ();
albums.AddRange(allAlbums);
// Fetch all smart albums
var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.Any, null)
.Cast <PHAssetCollection> ();
albums.AddRange(smartAlbums);
// Ask the collection view to reload data, so the fetched albums is displayed.
NSOperationQueue.MainQueue.AddOperation(() => {
CollectionView?.ReloadData();
});
});
}
static private IEnumerable <PLAsset> GetPhotosToBeBackedUp()
{
if (PHPhotoLibrary.AuthorizationStatus != PHAuthorizationStatus.Authorized)
{
yield break;
//return null;
}
var collections = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.SmartAlbumUserLibrary, null);
var photos = collections.OfType <PHAssetCollection>().SelectMany(x => PHAsset.FetchAssets(x, null).OfType <PHAsset>().Select(x => {
var asset = new PLAsset {
Asset = x,
Id = x.LocalIdentifier
};
return(asset);
})).ToList();
foreach (var asset in Globals.Database.Table <PLAsset>())
{
if (photos.Contains(asset))
{
photos.Remove(asset);
}
}
foreach (var item in photos)
{
item.PopulateProperties();
yield return(item);
}
//return photos.AsReadOnly();
}
void SetupAlbum()
{
var album = PHAssetCollection.FetchAssetCollections(new[] { Xamarin.Essentials.Preferences.Get("iOSAlbumIdentifier", string.Empty).ToString() }, null)?.firstObject as PHAssetCollection;
if (album == null)
{
var albums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, new PHFetchOptions
{
IncludeAssetSourceTypes = PHAssetSourceType.UserLibrary
});
if (albums.Count > 0)
{
foreach (var a in albums)
{
var collection = (a as PHAssetCollection);
if (collection.LocalizedTitle.Equals("ConferenceVision"))
{
SaveIdentifier(collection.LocalIdentifier);
return;
}
}
}
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var req = PHAssetCollectionChangeRequest.CreateAssetCollection("ConferenceVision");
albumIdentifier = req.PlaceholderForCreatedAssetCollection.LocalIdentifier;
SaveIdentifier(albumIdentifier);
}, (success, error) =>
{
Debug.Write("Create Album " + success);
});
}
}
private static PHAssetCollection FindOrCreateAlbum(string albumName)
{
var albums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.AlbumRegular, null);
var customAlbum = (PHAssetCollection)albums.FirstOrDefault(s => ((PHAssetCollection)s).LocalizedTitle.Equals(albumName));
if (customAlbum == null)
{
var success = PHPhotoLibrary.SharedPhotoLibrary.PerformChangesAndWait(
() =>
{
PHAssetCollectionChangeRequest.CreateAssetCollection(albumName);
}, out var error
);
if (success)
{
albums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.AlbumRegular, null);
customAlbum = (PHAssetCollection)albums.FirstOrDefault(s => ((PHAssetCollection)s).LocalizedTitle.Equals(albumName));
}
else
{
Console.WriteLine(error);
customAlbum = null;
}
}
return(customAlbum);
}
public override void AwakeFromNib()
{
// Create a PHFetchResult object for each section in the table view.
var allPhotosOptions = new PHFetchOptions();
allPhotosOptions.SortDescriptors = new [] {
new NSSortDescriptor("creationDate", true)
};
PHFetchResult allPhotos = PHAsset.FetchAssets(allPhotosOptions);
PHFetchResult smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum,
PHAssetCollectionSubtype.AlbumRegular, null);
PHFetchResult topLevelUserCollections = PHCollection.FetchTopLevelUserCollections(null);
// Store the PHFetchResult objects and localized titles for each section.
sectionFetchResults = new [] {
allPhotos, smartAlbums, topLevelUserCollections
};
sectionLocalizedTitles = new [] {
string.Empty, "Smart Albums", "Albums", string.Empty
};
PHPhotoLibrary.SharedPhotoLibrary.RegisterChangeObserver(this);
}
public static bool SaveImageToGalery(string imagePath, string albumName)
{
var saved = true;
PHAssetCollection customAlbum = null;
if (!string.IsNullOrEmpty(albumName))
{
customAlbum = FindOrCreateAlbum(albumName);
if (customAlbum == null)
{
return(false);
}
}
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(
() =>
{
var assetRequest = PHAssetChangeRequest.FromImage(NSUrl.FromFilename(imagePath));
if (customAlbum != null)
{
var albumRequest = PHAssetCollectionChangeRequest.ChangeRequest(customAlbum);
albumRequest?.AddAssets(new[] { assetRequest.PlaceholderForCreatedAsset });
}
},
(success, error) =>
{
if (!success)
{
Console.WriteLine(error);
saved = success;
}
}
);
return(saved);
}
void SaveToAlbum(string watermarkedPath)
{
var lib = PHPhotoLibrary.SharedPhotoLibrary;
lib.PerformChanges(() =>
{
var album = PHAssetCollection.FetchAssetCollections(new[] { Xamarin.Essentials.Preferences.Get("iOSAlbumIdentifier", string.Empty) }, null)?.firstObject as PHAssetCollection;
var collectionRequest = PHAssetCollectionChangeRequest.ChangeRequest(album);
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var options = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset();
changeRequest.AddResource(PHAssetResourceType.Video, NSUrl.FromString(watermarkedPath), options);
collectionRequest.AddAssets(new[] { changeRequest.PlaceholderForCreatedAsset });
}
else
{
var changeRequest2 = PHAssetChangeRequest.FromVideo(NSUrl.FromString(watermarkedPath));
collectionRequest.AddAssets(new[] { changeRequest2.PlaceholderForCreatedAsset });
}
RetrieveLastAssetSaved();
}, (success, err) =>
{
});
}
private void FeetchAddPhotos()
{
PHPhotoLibrary.RequestAuthorization(status =>
{
if (status != PHAuthorizationStatus.Authorized)
{
return;
}
var galleryTemp = new List <PHAssetCollection>();
var allAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, null).Cast <PHAssetCollection>();
var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.SmartAlbumUserLibrary, null).Cast <PHAssetCollection>();
galleryTemp.AddRange(allAlbums);
galleryTemp.AddRange(smartAlbums);
var gallerySort = galleryTemp.OrderBy(obj => obj.LocalizedTitle);
NSOperationQueue.MainQueue.AddOperation(() =>
{
foreach (var itemRaw in gallerySort)
{
var sortOptions = new PHFetchOptions();
sortOptions.SortDescriptors = new NSSortDescriptor[] { new NSSortDescriptor("creationDate", false) };
var items = PHAsset.FetchAssets(itemRaw, sortOptions).Cast <PHAsset>().ToList();
if (items.Count > 0)
{
var colec = new GalleryNative()
{
Collection = itemRaw,
};
colec.Images.Add(new PhotoSetNative());
foreach (var item in items)
{
var newPhoto = new PhotoSetNative();
newPhoto.galleryImageXF.OriginalPath = item.LocalIdentifier;
newPhoto.Image = item;
colec.Images.Add(newPhoto);
}
galleryDirectories.Add(colec);
}
}
tableView.ReloadData();
if (galleryDirectories.Count > 0)
{
CurrentParent = 0;
IF_ItemSelectd(CurrentParent);
}
});
});
}
public static Task <PHAssetCollection> GetAlbum(string name)
{
var options = new PHFetchOptions();
options.Predicate = NSPredicate.FromFormat("title = %@", NSObject.FromObject(name));
var collection = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, options);
return(collection.firstObject != null
? Task.FromResult((PHAssetCollection)collection.firstObject)
: CreateAlbum(name));
}
public void Test()
{
// Fetch PHAssetCollections
var topLevelUserCollections = PHCollection.FetchTopLevelUserCollections(null);
var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.AlbumRegular, null);
_collectionsFetchResults = new List <PHFetchResult> {
topLevelUserCollections, smartAlbums
};
_collectionsLocalizedTitles = new List <string> {
"picker.table.user-albums-header".Translate(defaultValue: "Albums"), "picker.table.smart-albums-header".Translate("Smart Albums")
};
UpdateFetchResults();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Add, AddAlbum);
// Create a PHFetchResult object for each section in the table view.
var allPhotosOptions = new PHFetchOptions {
SortDescriptors = new NSSortDescriptor [] { new NSSortDescriptor("creationDate", true) },
};
allPhotos = PHAsset.FetchAssets(allPhotosOptions);
smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.AlbumRegular, null);
userCollections = PHCollection.FetchTopLevelUserCollections(null);
PHPhotoLibrary.SharedPhotoLibrary.RegisterChangeObserver(this);
}
public void Update(Action handler = null)
{
List <PHFetchResult> albumListFetchResult = new List <PHFetchResult>();
InvokeInBackground(() =>
{
foreach (var type in _assetCollectionTypes)
{
albumListFetchResult.AddRange(new List <PHFetchResult> {
PHAssetCollection.FetchAssetCollections(type, PHAssetCollectionSubtype.Any, null)
});
}
this._albumList = new List <Item>();
var tmpAlbumList = new List <Item>();
var isAssetCollectionSubtypeAny = this._assetCollectionSubtypes.Contains(PHAssetCollectionSubtype.Any);
foreach (var fetchResult in albumListFetchResult)
{
fetchResult.Enumerate((NSObject album, nuint index, out bool stop) =>
{
var phAlbum = album as PHAssetCollection;
if (this._assetCollectionSubtypes.Contains((album as PHAssetCollection).AssetCollectionSubtype) || isAssetCollectionSubtypeAny)
{
if (this._shouldShowEmptyAlbum || PHAsset.FetchAssets((album as PHAssetCollection), PhotoKitAssetList.FetchOptions(this._mediaType)).Count() != 0)
{
tmpAlbumList.Add(new PhotoKitAssetList(album as PHAssetCollection, this._mediaType));
}
}
stop = false;
});
}
if (this._assetCollectionTypes.Count() == 1 && this._assetCollectionTypes.Contains(PHAssetCollectionType.Moment))
{
this._albumList = tmpAlbumList.OrderByDescending(x => x.Date.SecondsSinceReferenceDate).ToList();
}
else
{
this._albumList = tmpAlbumList;
}
handler?.Invoke();
});
}
public async Task <IMediaAlbum[]> GetAlbumsAsync()
{
if (!await RequestAuthorizationAsync())
{
return(new IMediaAlbum[] { });
}
var list = new List <MediaAlbum>();
var albums = new List <PHAssetCollection>();
albums.AddRange(PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, null).Cast <PHAssetCollection>());
albums.AddRange(PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.Any, null).Cast <PHAssetCollection>());
return(albums.Select(col => new MediaAlbum(col))
.OrderBy(a => a.Title)
.ToArray());
}
public static async Task <bool> SaveToLibrary(string path, string albumName)
{
var source = new TaskCompletionSource <bool>();
PHAssetCollection album = await GetAlbum(albumName);
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var assetReq = PHAssetChangeRequest.FromImage(NSUrl.CreateFileUrl(path, null));
var albumReq = PHAssetCollectionChangeRequest.ChangeRequest(album);
var placeholder = assetReq.PlaceholderForCreatedAsset;
albumReq.AddAssets(new[] { (PHObject)placeholder });
}, (success, err) =>
{
Debug.WriteLine($"SaveToLibrary: {success}");
source.SetResult(success);
});
return(await source.Task);
}
private static PHFetchResult FetchAssets()
{
const string sortType = "creationDate";
var assetsOptions = new PHFetchOptions
{
SortDescriptors = new[]
{
new NSSortDescriptor(sortType, false)
},
FetchLimit = FetchLimit
};
return(PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum,
PHAssetCollectionSubtype.SmartAlbumUserLibrary, null).firstObject is PHAssetCollection assetCollection
? PHAsset.FetchAssets(assetCollection, assetsOptions)
: PHAsset.FetchAssets(assetsOptions));
}
public Task <IMediaAlbum> CreateAlbum(string title)
{
return(Task.Run(() =>
{
IMediaAlbum album = null;
string id = null;
if (PHPhotoLibrary.SharedPhotoLibrary.PerformChangesAndWait(() =>
{
var request = PHAssetCollectionChangeRequest.CreateAssetCollection(title);
id = request.PlaceholderForCreatedAssetCollection.LocalIdentifier;
}, out var error))
{
var col = (PHAssetCollection)PHAssetCollection.FetchAssetCollections(new[] { id }, null).First();
album = new MediaAlbum(col);
}
return album;
}));
}
public static Task <PHAssetCollection> CreateAlbum(string name)
{
var source = new TaskCompletionSource <PHAssetCollection>();
PHObjectPlaceholder placeholder = null;
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var request = PHAssetCollectionChangeRequest.CreateAssetCollection(name);
placeholder = request.PlaceholderForCreatedAssetCollection;
}, (success, err) =>
{
if (success)
{
var result = PHAssetCollection.FetchAssetCollections(new[] { placeholder.LocalIdentifier }, null);
source.SetResult((PHAssetCollection)result.firstObject);
}
else
{
source.SetException(new Exception(err.ToString()));
}
});
return(source.Task);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
PHPhotoLibrary.RequestAuthorization((status) => {
if (status == PHAuthorizationStatus.Authorized)
{
var result = PHAssetCollection.FetchTopLevelUserCollections(null);
var assetCollection = result.firstObject as PHAssetCollection;
var imageManager = new PHCachingImageManager();
var assets = PHAsset.FetchAssets(assetCollection, null);
var imageAsset = assets[6];
this.InvokeOnMainThread(() => {
imageManager.RequestImageForAsset((PHAsset)imageAsset, this.View.Frame.Size, PHImageContentMode.Default, null, new PHImageResultHandler(this.ImageReceived));
});
}
});
}
internal MediaAlbum(PHAssetCollection assetCollection)
{
AssetCollection = assetCollection;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
_picker = (GMImagePickerController)NavigationController.ParentViewController;
View.BackgroundColor = _picker.PickerBackgroundColor;
// Navigation bar customization
if (!string.IsNullOrWhiteSpace(_picker.CustomNavigationBarPrompt))
{
NavigationItem.Prompt = _picker.CustomNavigationBarPrompt;
}
_imageManager = new PHCachingImageManager();
// Table view aspect
TableView.RowHeight = AlbumRowHeight;
TableView.SeparatorStyle = UITableViewCellSeparatorStyle.None;
TableView.Source = new GMAlbumsViewTableViewSource(this);
// Buttons
var barButtonItemAttributes = new UITextAttributes
{
Font = UIFont.FromName(_picker.PickerFontName, _picker.PickerFontHeaderSize)
};
var cancelTitle = _picker.CustomCancelButtonTitle ?? "picker.navigation.cancel-button".Translate(defaultValue: "Cancel");
NavigationItem.LeftBarButtonItem = new UIBarButtonItem(cancelTitle,
UIBarButtonItemStyle.Plain,
Dismiss);
if (_picker.UseCustomFontForNavigationBar)
{
NavigationItem.LeftBarButtonItem.SetTitleTextAttributes(barButtonItemAttributes, UIControlState.Normal);
NavigationItem.LeftBarButtonItem.SetTitleTextAttributes(barButtonItemAttributes, UIControlState.Highlighted);
}
if (_picker.AllowsMultipleSelection)
{
var doneTitle = _picker.CustomDoneButtonTitle ?? "picker.navigation.done-button".Translate(defaultValue: "Done");
NavigationItem.RightBarButtonItem = new UIBarButtonItem(doneTitle,
UIBarButtonItemStyle.Done,
FinishPickingAssets);
if (_picker.UseCustomFontForNavigationBar)
{
NavigationItem.RightBarButtonItem.SetTitleTextAttributes(barButtonItemAttributes, UIControlState.Normal);
NavigationItem.RightBarButtonItem.SetTitleTextAttributes(barButtonItemAttributes, UIControlState.Highlighted);
}
NavigationItem.RightBarButtonItem.Enabled = !_picker.AutoDisableDoneButton || _picker.SelectedAssets.Any();
}
// Bottom toolbar
ToolbarItems = _picker.GetToolbarItems();
// Title
Title = _picker.Title ?? "picker.navigation.title".Translate(defaultValue: "Navigation bar default title");
// Fetch PHAssetCollections
var topLevelUserCollections = PHCollection.FetchTopLevelUserCollections(null);
var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.AlbumRegular, null);
_collectionsFetchResults = new List <PHFetchResult> {
topLevelUserCollections, smartAlbums
};
_collectionsLocalizedTitles = new List <string> {
"picker.table.user-albums-header".Translate(defaultValue: "Albums"), "picker.table.smart-albums-header".Translate("Smart Albums")
};
UpdateFetchResults();
// Register for changes
PHPhotoLibrary.SharedPhotoLibrary.RegisterChangeObserver(this);
}
public Task<string> SaveAsset (UIImage updatedSnapshot, PHAssetCollection bugTrapAlbum, TaskCompletionSource<string> tcs)
{
string newLocalIdentifier = null;
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
// create a new asset from the UIImage updatedSnapshot
var createAssetRequest = PHAssetChangeRequest.FromImage(updatedSnapshot);
// create a request to make changes to the bugTrap album
var collectionRequest = PHAssetCollectionChangeRequest.ChangeRequest(bugTrapAlbum);
// get a reference to the new localIdentifier
newLocalIdentifier = createAssetRequest.PlaceholderForCreatedAsset.LocalIdentifier;
// add the newly created asset to the bugTrap album
collectionRequest.AddAssets(new [] { createAssetRequest.PlaceholderForCreatedAsset });
}, (success, error) => {
if (success) {
if (!tcs.TrySetResult(newLocalIdentifier)) {
var ex = new Exception ("UpdateAsset Failed");
tcs.TrySetException(ex);
// Log.Error(ex);
}
} else if (error != null) {
// Log.Error("Photos", error);
if (!tcs.TrySetResult(null)) {
var ex = new Exception (error.LocalizedDescription);
tcs.TrySetException(ex);
// Log.Error(ex);
}
}
});
return tcs.Task;
}
public async Task <string> ImageSave(MemoryStream stream, bool compatibleMode, string fileName = null)
{
NSError error = null;
//虽然对于iOS没有这两个权限，但要保证方法异步，所以还是保留下来了
await Permissions.RequestAsync <Permissions.StorageWrite>();
await Permissions.RequestAsync <Permissions.StorageRead>();
//判断相册是否存在，不存在就创建
PHAssetCollection appAlbum = null;
PHFetchResult albums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, null);
foreach (PHAssetCollection album in albums)
{
if (album.LocalizedTitle == albumName)
{
appAlbum = album;
}
}
if (appAlbum == null) //相册不存在，新建
{
string[] albumID = new string[1];
PHPhotoLibrary.SharedPhotoLibrary.PerformChangesAndWait(() =>
{
albumID[0] = PHAssetCollectionChangeRequest.CreateAssetCollection(albumName).PlaceholderForCreatedAssetCollection.LocalIdentifier;
}, out error);
appAlbum = PHAssetCollection.FetchAssetCollections(albumID, null)[0] as PHAssetCollection;
}
//获取路径及名称
string documentsPath;
documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
if (fileName == null || fileName == "")
{
fileName = "Tank_" + DateTime.Now.ToLocalTime().ToString("yyyyMMdd_HHmmss") + ".png";
}
string path = Path.Combine(documentsPath, fileName);
//保存
FileStream photoTankFile = new FileStream(path, FileMode.Create);
byte[] photoTank = stream.ToArray();
photoTankFile.Write(photoTank, 0, photoTank.Length);
photoTankFile.Flush();
photoTankFile.Close();
//如果是图片或视频，就添加到相册里
string MimeType = MimeUtility.GetMimeMapping(path);
if (MimeType.IndexOf("image") != -1 || MimeType.IndexOf("video") != -1)
{
string[] assetID = new string[1];
PHPhotoLibrary.SharedPhotoLibrary.PerformChangesAndWait(() =>
{
if (MimeType.IndexOf("image") != -1)
{
assetID[0] = PHAssetChangeRequest.FromImage(new NSUrl(path, true)).PlaceholderForCreatedAsset.LocalIdentifier;
}
if (MimeType.IndexOf("video") != -1)
{
assetID[0] = PHAssetChangeRequest.FromVideo(new NSUrl(path, true)).PlaceholderForCreatedAsset.LocalIdentifier;
}
}, out error);
PHAsset asset = PHAsset.FetchAssetsUsingLocalIdentifiers(assetID, null)[0] as PHAsset;
PHObject[] objs = { asset };
PHPhotoLibrary.SharedPhotoLibrary.PerformChangesAndWait(() =>
{
PHAssetCollectionChangeRequest collectionChangeRequest = PHAssetCollectionChangeRequest.ChangeRequest(appAlbum);
collectionChangeRequest.InsertAssets(objs, new NSIndexSet(0));
}, out error);
}
return(Path.Combine(fileName));
}
protected void Internal_FillCache()
{
if (_bCached)
{
return;
}
_globalLock.EnterWriteLock();
try
{
if (_bCached)
{
return;
}
var cacheDir = new Dictionary <string, PHAssetCollection>();
var cachePhoto = new Dictionary <string, PHPhotoItem>();
var collections = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.SmartAlbumUserLibrary, null);
foreach (PHAssetCollection asset in collections)
{
cacheDir["/" + asset.LocalizedTitle] = asset;
var assets = PHAsset.FetchAssets(asset, null);
foreach (PHAsset photo in assets)
{
var assetResources = PHAssetResource.GetAssetResources(photo);
var original = assetResources.FirstOrDefault(x => x.ResourceType == PHAssetResourceType.Video ||
x.ResourceType == PHAssetResourceType.Photo ||
x.ResourceType == PHAssetResourceType.Audio);
if (original == null)
{
continue;
}
var dt = photo.CreationDate.ToDateTime();
var dtstr = dt.ToLocalTime().ToString("yyyy-MM-dd HH_mm");
var filename = $"{dtstr} {original.OriginalFilename}";
UPath up = Path.Combine(asset.LocalizedTitle, filename);
var item = new PHPhotoItem {
Col = asset,
Asset = photo,
Res = original
};
item.Path = new Lazy <string>(item.FillPath);
item.Length = new Lazy <long>(item.FillLength);
cachePhoto[up.ToAbsolute().ToString().ToUpperInvariant()] = item;
var originalName = Path.GetFileNameWithoutExtension(original.OriginalFilename);
foreach (var resource in assetResources)
{
if (resource == original)
{
continue;
}
if (string.IsNullOrEmpty(resource.OriginalFilename))
{
continue;
}
var extension = Path.GetExtension(resource.OriginalFilename) ?? string.Empty;
var fileName = $"{dtstr} {originalName} ({resource.ResourceType:G}){extension}";
up = Path.Combine(asset.LocalizedTitle, fileName);
item = new PHPhotoItem {
Col = asset,
Asset = photo,
Res = resource
};
item.Path = new Lazy <string>(item.FillPath);
item.Length = new Lazy <long>(item.FillLength);
cachePhoto[up.ToAbsolute().ToString().ToUpperInvariant()] = item;
}
}
}
_cacheDir = cacheDir;
_cachePhoto = cachePhoto;
_bCached = true;
Task.Run(() => {
Parallel.ForEach(cachePhoto, new ParallelOptions {
MaxDegreeOfParallelism = 2 * Environment.ProcessorCount
},
x => {
_ = x.Value.Length.Value;
_ = x.Value.Path.Value;
});
});
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
finally
{
_globalLock.ExitWriteLock();
}
}
public PhotoKitAssetList(PHAssetCollection album, MediaType mediaType)
{
_assetList = album;
_mediaType = mediaType;
Update();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var rotateTap = new UITapGestureRecognizer(RotateTap);
rotate.AddGestureRecognizer(rotateTap);
var zoomTap = new UITapGestureRecognizer(ZoomTap);
resize.AddGestureRecognizer(zoomTap);
var multiselectTap = new UITapGestureRecognizer(MultiSelectTap);
multiSelect.AddGestureRecognizer(multiselectTap);
bottomArrow.Transform = CGAffineTransform.MakeRotation((float)(Math.PI));
source = new PhotoCollectionViewSource(_m);
photoCollection.Source = source;
photoCollection.RegisterClassForCell(typeof(PhotoCollectionViewCell), nameof(PhotoCollectionViewCell));
photoCollection.SetCollectionViewLayout(new UICollectionViewFlowLayout()
{
ItemSize = Constants.CellSize,
MinimumLineSpacing = 1,
MinimumInteritemSpacing = 1,
}, false);
delegateP = new PhotoCollectionViewFlowDelegate(source);
photoCollection.Delegate = delegateP;
delegateP.CellClicked += CellAction;
_cropView = new CropView(new CGRect(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Width));
_cropView.ZoomingStarted += (object sender, UIScrollViewZoomingEventArgs e) =>
{
NavigationItem.RightBarButtonItem.Enabled = false;
};
_cropView.ZoomingEnded += (object sender, ZoomingEndedEventArgs e) =>
{
NavigationItem.RightBarButtonItem.Enabled = true;
};
var albums = new List <PHAssetCollection>();
var sortedAlbums = new List <Tuple <string, PHFetchResult> >();
var fetchOptions = new PHFetchOptions();
var allAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.AlbumRegular, null)
.Cast <PHAssetCollection>();
albums.AddRange(allAlbums);
var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.AlbumRegular, null)
.Cast <PHAssetCollection>();
albums.AddRange(smartAlbums);
fetchOptions.Predicate = NSPredicate.FromFormat("mediaType == %d", FromObject(PHAssetMediaType.Image));
foreach (var item in albums)
{
var firstAsset = PHAsset.FetchAssets(item, fetchOptions);
if (firstAsset.Count > 0)
{
sortedAlbums.Add(new Tuple <string, PHFetchResult>(item.LocalizedTitle, firstAsset));
}
}
sortedAlbums = sortedAlbums.OrderByDescending(a => a.Item2.Count).ToList();
_modalFolderView.BackgroundColor = UIColor.White;
var folderTable = new UITableView();
folderTable.Bounces = false;
folderTable.AllowsSelection = false;
folderTable.RowHeight = 90;
folderTable.SeparatorStyle = UITableViewCellSeparatorStyle.None;
var folderSource = new FolderTableViewSource(sortedAlbums);
folderSource.CellAction += (ActionType arg1, Tuple <string, PHFetchResult> arg2) =>
{
TitleTapped();
_titleLabel.Text = arg2.Item1;
source.UpdateFetchResult(arg2.Item2);
photoCollection.SetContentOffset(new CGPoint(0, 0), false);
photoCollection.ReloadData();
if (!source.MultiPickMode)
{
delegateP.ItemSelected(photoCollection, NSIndexPath.FromItemSection(0, 0));
}
};
folderTable.Source = folderSource;
_modalFolderView.AddSubview(folderTable);
folderTable.RegisterClassForCellReuse(typeof(AlbumTableViewCell), nameof(AlbumTableViewCell));
folderTable.AutoPinEdgesToSuperviewEdges();
folderTable.ReloadData();
cropBackgroundView.BackgroundColor = Constants.R245G245B245;
cropBackgroundView.AddSubview(_cropView);
NavigationController.NavigationBar.Translucent = false;
SetBackButton();
_titleLabel.Text = sortedAlbums.FirstOrDefault()?.Item1;
source.UpdateFetchResult(sortedAlbums.FirstOrDefault()?.Item2);
}
