I am using facebook SDK , and when I am trying to invite friend via facbook by using fb invite deep linking.
NSDictionary * getParam = #{
#"access_token":accessToken,
#"fields":#"canonical_url",
#"pretty":#(YES),
};
NSString * getCanoicalURL = [NSString stringWithFormat:#"%#/%#",FB_CANONICAL_API, fbAPILinkID];
[self GET:getCanoicalURL parameters:getParam success:^(NSURLSessionDataTask * _Nonnull task, id _Nonnull responseObject)
{
NSError *error;
FacebookLink * getResult = [MTLJSONAdapter modelOfClass:[FacebookLink class] fromJSONDictionary:responseObject error:&error];
if (error)
{
handler(nil,error);
}
else
{
handler(getResult.canonicalUrl,nil);
}
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error)
{
handler(nil,error);
}];
The below is my invite friend method it show successfully :
-(void)inviteFriend:(NSString*)canonicalUrl
{
FBSDKAppInviteContent *content =[[FBSDKAppInviteContent alloc] init];
content.appLinkURL =[NSURL URLWithString:canonicalUrl];
[FBSDKAppInviteDialog showFromViewController:self withContent:content delegate:self];
}
But when I try to fetch for defer deep link it always null:
FBSDKAppLinkUtility fetchDeferredAppLink:^(NSURL *url, NSError *error)
{
NSLog(#"fetch defer app link :%#",url);
if (error) {
NSLog(#"Received error while fetching deferred app link %#", error);
}
if (url) {
[[UIApplication sharedApplication] openURL:url];
}
}];
Be sure that your iPhone's Limit Ad Tracking setting is off, at Settings -> Privacy -> Advertising
Get parts of a NSURL in objective-c
This will be ur exact reference and answer not so manual coding as above.
i use the sample codes from apple for recording and playing the last recording
but i can't play the last recording
here are the codes
- (IBAction)playLastRecording {
// Present the media player controller for the last recorded URL.
NSDictionary *options = #{
WKMediaPlayerControllerOptionsAutoplayKey : #YES
};
[self presentMediaPlayerControllerWithURL:self.lastRecordingURL options:options completion:^(BOOL didPlayToEnd, NSTimeInterval endTime, NSError * __nullable error) {
if (!didPlayToEnd) {
NSLog(#"The player did not play all the way to the end. The player only played until time - %.2f.", endTime);
}
if (error) {
NSLog(#"There was an error with playback: %#.", error);
}
}];
}
and here is the error
i think we need to use the NSbundle and nsurl connection but how
to use for self.lastRecordingURL
please writing the correct codes for this problems
Optional(Error Domain=com.apple.watchkit.errors Code=4 "The operation could not be completed" UserInfo={NSLocalizedFailureReason=An unknown error occurred (1), NSUnderlyingError=0x17d9bf50 {Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"}, NSLocalizedDescription=The operation could not be completed})
I had this problem. Make sure that the audio data is saved to the Apps Group correctly with the correct extension of the file.
If you are trying to record the audio file use the following codes.
- (void)startRecording
{
// Creating a path for saving the recorded audio file.
// We have to write the files to the shared group folder, as this is the only place both the app and extension can see.
NSURL *container = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:APP_GROUP_IDENTIFIER];
NSURL *outputURL = [container URLByAppendingPathComponent:#"AudioFile.m4a"];
// Setting the recorder options.
NSDictionary *dictMaxAudioRec = #{#"WKAudioRecorderControllerOptionsMaximumDurationKey":MAX_REC_DURATION};
// Presenting the default audio recorder.
[self presentAudioRecorderControllerWithOutputURL:outputURL preset:WKAudioRecorderPresetWideBandSpeech options:dictMaxAudioRec completion:^(BOOL didSave, NSError * error) {
if(didSave)
{
// Successfully saved the file.
NSURL *extensionDirectory = [[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask].firstObject;
NSUInteger timeAtRecording = (NSUInteger)[NSDate timeIntervalSinceReferenceDate];
NSString *dirName = [NSString stringWithFormat:#"AudioFile%d/",timeAtRecording];
NSURL *outputExtensionURL = [extensionDirectory URLByAppendingPathComponent:dirName];
// Move the file to new directory.
NSError *moveError;
BOOL success = [[NSFileManager defaultManager] moveItemAtURL:outputURL toURL:outputExtensionURL error:&moveError];
if (!success) {
NSLog(#"Failed to move the outputURL to the extension's documents direcotry: %#", moveError);
}
else {
NSData *audioData = [NSData dataWithContentsOfURL:outputExtensionURL];
NSLog(#"Actual Audio Data length: %lu", (unsigned long)audioData.length);
if(audioData.length)
{
// We have a valid audio data,do what ever you want to do with this data
}
}
}
else
{
// Something went wrong.
NSLog(#"%s - %#",__PRETTY_FUNCTION__,error);
}
}];
}
Or if you are trying to play a video that you have downloaded from other source or passed from the paired phone, write the audio data first to the App Groups with file extension. The following codes may help you for that.
- (void)writeAudioToAppGroupsWithData:(NSData *)audioData
{
// Writing the audio data to the App Groups
NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:APP_GROUP_IDENTIFIER];
containerURL = [containerURL URLByAppendingPathComponent:[NSString stringWithFormat:DIRECTORY_PATH]];
[audioData writeToURL:containerURL atomically:YES];
}
In this case make sure that your DIRECTORY_PATH is Library/Caches/filename.extension.
Eg: Library/Caches/Audio.mp3
For playing the saved audio use the following codes.
- (void)playAudio
{
// Playing the audio from the url using the default controller
[self presentMediaPlayerControllerWithURL:[self getAudioUrl] options:nil completion:^(BOOL didPlayToEnd, NSTimeInterval endTime, NSError * _Nullable error) {
NSLog(#"Error = %#",error);
}];
}
You can get the audio url from the App Groups.
- (NSURL *)getAudioUrl
{
// Getting the audio url from the App Groups
NSURL *container = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:APP_GROUP_IDENTIFIER];
NSURL *outputURL = [container URLByAppendingPathComponent:[NSString stringWithFormat:DIRECTORY_PATH]];
return outputURL;
}
Hope this will fix your issue.
I can login with "[[Twitter sharedInstance] logInWithCompletion..."
I can showWithCompletion too.
But,I can't TWTRComposer showWithCompletion after login completion.
not Crash, but Composer dialog not show.And show error
This is my Code
[[Twitter sharedInstance] logInWithCompletion:^(TWTRSession * _Nullable session, NSError * _Nullable error) {
//
TWTRComposer *composer = [[TWTRComposer alloc] init];
NSString* composerText = #"Text";
[composer setText:composerText];
[composer setImage:[UIImage imageNamed:#"image.png"]];
[composer showFromViewController:self completion:^(TWTRComposerResult result) {
//
if (result == TWTRComposerResultDone) {
NSLog(#"Post Tweet successfully");
}
else {
NSLog(#"Unable to post Tweet");
}
}];
}];
Error:
CoreText performance note: Client called CTFontCreateWithName() using name "STHeitiTC-Medium" and got font with PostScript name "PingFangTC-Medium". For best performance, only use PostScript names when calling this API.
Thx~
I am working on an app like hiding photos and I want to move the images to my app so for that I have to import images from photo library and delete that image from library but I cant understand how to work with PHAssets and where to implement.
I used the UIPickerview to pick the image and then delete it from library please anyone can help me for that
This the picker where I get image :
UIImage *chosenImage = info[UIImagePickerControllerEditedImage];
And this is for delete but what is asset :
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
[PHAssetChangeRequest deleteAssets:formatWithOrientation];
} completionHandler:^(BOOL success, NSError *error) {
NSLog(#"Finished deleting asset. %#", (success ? #"Success." : error));
}];
Try this code. It's working for me.
PHFetchResult *asset = [PHAsset fetchAssetsWithALAssetURLs:#“Your asset url” options:nil];
[asset enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
NSLog(#"%#",[obj class]);
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
BOOL req = [obj canPerformEditOperation:PHAssetEditOperationDelete];
if (req) {
NSLog(#"true");
[PHAssetChangeRequest deleteAssets:#[obj]];
}
} completionHandler:^(BOOL success, NSError *error) {
NSLog(#"Finished Delete asset. %#", (success ? #"Success." : error));
if (success) {
NSLog(#“delete successfully”);
}
}];
}];
I have run into an issue on iOS 8 with the Assets Library framework that appears to be a bug in iOS 8. If I create an album called 'MyMedia' and then delete it, then when I try to create the album again, this chunk of code below returns 'nil' indicating that the album 'MyMedia' exists even though it does not because I deleted it using the 'Photos' app.
__block ALAssetsGroup *myGroup = nil;
__block BOOL addAssetDone = false;
NSString *albumName = #"MyMedia";
[assetsLib addAssetsGroupAlbumWithName:albumName
resultBlock:^(ALAssetsGroup *group) {
myGroup = group;
addAssetDone = true;
} failureBlock:^(NSError *error) {
NSLog( #"failed to create album: %#", albumName);
addAssetDone = true;
}];
while (!addAssetDone) {
[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.05f]];
}
return myGroup; // returns nil if group has previously been created and then deleted
This same method works when creating a brand new album 'MyMedia2.' Has anyone else experienced this issue and know of a workaround or solution? Is the only solution to move to the new 'Photos' framework or am I doing something incorrect here? Note that this code always works on iOS7.X
Actually the steps to reproduce this problem are as follows ->
1. Uninstall your app that takes photos and saves them to a custom album
2. Under iOS Photos delete the custom album that has saved photos in it
3. Install your app
4. If you take pictures or record videos with the app it does not create them or store them. If you look under iOS Photos albums the custom album one does not exist and none of the pictures/videos taken with the app exist.
My previous answer was incorrect. I had not really tested it out. I did finally figure out what had to be done and it was difficult but I got it to work. This is what I had to do to get my app to run on both iOS 7.x.X and iOS 8.X.x and create a custom album that had been previously deleted by the app -->
I wrote two chunks of code: one that uses the Photos framework on iOS 8.x.x and one that uses the AssetsLibrary framework on iOS 7.x.x
Sp the app could run on both iOS versions, I linked the app to the Photos framework but then changed it from required to optional so it would not be loaded on iOS 7.x.x
Because the Photos framework code could not be called directly at runtime on iOS 7.x.x, I had to change it so it loaded the classes, functions (and blocks!) dynamically at runtime
Here is the code chunk that works when running on an iPhone. This should work in the simulator too -->
// PHPhotoLibrary_class will only be non-nil on iOS 8.x.x
Class PHPhotoLibrary_class = NSClassFromString(#"PHPhotoLibrary");
if (PHPhotoLibrary_class) {
/**
*
iOS 8..x. . code that has to be called dynamically at runtime and will not link on iOS 7.x.x ...
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
[PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:title];
} completionHandler:^(BOOL success, NSError *error) {
if (!success) {
NSLog(#"Error creating album: %#", error);
}
}];
*/
// dynamic runtime code for code chunk listed above
id sharedPhotoLibrary = [PHPhotoLibrary_class performSelector:NSSelectorFromString(#"sharedPhotoLibrary")];
SEL performChanges = NSSelectorFromString(#"performChanges:completionHandler:");
NSMethodSignature *methodSig = [sharedPhotoLibrary methodSignatureForSelector:performChanges];
NSInvocation* inv = [NSInvocation invocationWithMethodSignature:methodSig];
[inv setTarget:sharedPhotoLibrary];
[inv setSelector:performChanges];
void(^firstBlock)() = ^void() {
Class PHAssetCollectionChangeRequest_class = NSClassFromString(#"PHAssetCollectionChangeRequest");
SEL creationRequestForAssetCollectionWithTitle = NSSelectorFromString(#"creationRequestForAssetCollectionWithTitle:");
[PHAssetCollectionChangeRequest_class performSelector:creationRequestForAssetCollectionWithTitle withObject:albumName];
};
void (^secondBlock)(BOOL success, NSError *error) = ^void(BOOL success, NSError *error) {
if (success) {
[assetsLib enumerateGroupsWithTypes:ALAssetsGroupAlbum usingBlock:^(ALAssetsGroup *group, BOOL *stop) {
if (group) {
NSString *name = [group valueForProperty:ALAssetsGroupPropertyName];
if ([albumName isEqualToString:name]) {
groupFound = true;
handler(group, nil);
}
}
} failureBlock:^(NSError *error) {
handler(nil, error);
}];
}
if (error) {
NSLog(#"Error creating album: %#", error);
handler(nil, error);
}
};
// Set the success and failure blocks.
[inv setArgument:&firstBlock atIndex:2];
[inv setArgument:&secondBlock atIndex:3];
[inv invoke];
}
else {
// code that always creates an album on iOS 7.x.x but fails
// in certain situations such as if album has been deleted
// previously on iOS 8...x. .
[assetsLib addAssetsGroupAlbumWithName:albumName
resultBlock:^(ALAssetsGroup *group) {
handler(group, nil);
} failureBlock:^(NSError *error) {
NSLog( #"Failed to create album: %#", albumName);
handler(nil, error);
}];
}
Using Adam's answer, and Marin Todorov's Category on ALAssetsLibrary, ALAssetsLibrary+CustomPhotoAlbum to create photo Albums, and place photos in them, this code below replaces the main workHorse in that Category, it works on both iOS7 devices and iOS 8.1 devices for those who need to have both.
it gives two warnings about performSelector on unknown class though, any improvements are appreciated:
(it will not copy a photo from a shared album that you did not create and will fail with message, any enhancements there also would be good)
1) add the "Photos" Frameworks, set to "optional"
2) include the import line #import < Photos/PHPhotoLibrary.h >
//----------------------------------------------------------------------------------------
- (void)addAssetURL:(NSURL *)assetURL
toAlbum:(NSString *)albumName
completion:(ALAssetsLibraryWriteImageCompletionBlock)completion
failure:(ALAssetsLibraryAccessFailureBlock)failure
{
NSLog();
__block BOOL albumWasFound = NO;
//-----------------------------------------
ALAssetsLibraryGroupsEnumerationResultsBlock enumerationBlock;
enumerationBlock = ^(ALAssetsGroup *group, BOOL *stop)
{
NSLog(#" ALAssetsLibraryGroupsEnumerationResultsBlock");
// Compare the names of the albums
if ([albumName compare:[group valueForProperty:ALAssetsGroupPropertyName]] == NSOrderedSame)
{
NSLog(#"--------------Target album is found");
// Target album is found
albumWasFound = YES;
// Get a hold of the photo's asset instance
// If the user denies access to the application, or if no application is allowed to
// access the data, the failure block is called.
ALAssetsLibraryAssetForURLResultBlock assetForURLResultBlock =
[self _assetForURLResultBlockWithGroup:group
assetURL:assetURL
completion:completion
failure:failure];
[self assetForURL:assetURL
resultBlock:assetForURLResultBlock
failureBlock:failure];
// Album was found, bail out of the method
*stop = YES;
}
if (group == nil && albumWasFound == NO)
{
NSLog(#"--------------Target album does not exist");
// Photo albums are over, target album does not exist, thus create it
// Since you use the assets library inside the block,
// ARC will complain on compile time that there’s a retain cycle.
// When you have this – you just make a weak copy of your object.
ALAssetsLibrary * __weak weakSelf = self;
// If iOS version is lower than 5.0, throw a warning message
if (! [self respondsToSelector:#selector(addAssetsGroupAlbumWithName:resultBlock:failureBlock:)])
{
NSLog(#"--------------Target album does not exist and does not respond to addAssetsGroupAlbumWithName");
} else {
NSLog(#"--------------Target album does not exist addAssetsGroupAlbumWithName");
// ----------- PHPhotoLibrary_class will only be non-nil on iOS 8.x.x -----------
Class PHPhotoLibrary_class = NSClassFromString(#"PHPhotoLibrary");
NSLog(#"PHPhotoLibrary_class %# ", PHPhotoLibrary_class);
if (PHPhotoLibrary_class)
{
NSLog(#"iOS8");
// --------- dynamic runtime code -----------
id sharedPhotoLibrary = [PHPhotoLibrary_class performSelector:NSSelectorFromString(#"sharedPhotoLibrary")];
NSLog(#"sharedPhotoLibrary %# ", sharedPhotoLibrary);
SEL performChanges = NSSelectorFromString(#"performChanges:completionHandler:");
NSMethodSignature *methodSig = [sharedPhotoLibrary methodSignatureForSelector:performChanges];
NSInvocation* inv = [NSInvocation invocationWithMethodSignature:methodSig];
[inv setTarget:sharedPhotoLibrary];
[inv setSelector:performChanges];
void(^firstBlock)() = ^void()
{
NSLog(#"firstBlock");
Class PHAssetCollectionChangeRequest_class = NSClassFromString(#"PHAssetCollectionChangeRequest");
SEL creationRequestForAssetCollectionWithTitle = NSSelectorFromString(#"creationRequestForAssetCollectionWithTitle:");
NSLog(#"PHAssetCollectionChangeRequest_class %# ", PHAssetCollectionChangeRequest_class);
[PHAssetCollectionChangeRequest_class performSelector:creationRequestForAssetCollectionWithTitle withObject:albumName];
};
void (^secondBlock)(BOOL success, NSError *error) = ^void(BOOL success, NSError *error)
{
NSLog(#"secondBlock");
if (success)
{
NSLog(#"success");
[self enumerateGroupsWithTypes:ALAssetsGroupAlbum usingBlock:^(ALAssetsGroup *group, BOOL *fullStop)
{
if (group)
{
NSLog(#"group %# ", group);
NSString *name = [group valueForProperty:ALAssetsGroupPropertyName];
if ([albumName isEqualToString:name])
{
NSLog(#"[albumName isEqualToString:name] %# ", name);
ALAssetsLibraryAssetForURLResultBlock assetForURLResultBlock =
[self _assetForURLResultBlockWithGroup:group
assetURL:assetURL
completion:completion
failure:failure];
[self assetForURL:assetURL
resultBlock:assetForURLResultBlock
failureBlock:failure];
*fullStop = YES;
}
}
} failureBlock:failure];
}
if (error)
{
NSLog(#"Error creating album: %#", error);
}
};
// Set the success and failure blocks.
[inv setArgument:&firstBlock atIndex:2];
[inv setArgument:&secondBlock atIndex:3];
[inv invoke];
} else {
NSLog(#"iOS7");
[self addAssetsGroupAlbumWithName:albumName resultBlock:^(ALAssetsGroup *createdGroup)
{
// Get the photo's instance, add the photo to the newly created album
ALAssetsLibraryAssetForURLResultBlock assetForURLResultBlock =
[weakSelf _assetForURLResultBlockWithGroup:createdGroup
assetURL:assetURL
completion:completion
failure:failure];
[weakSelf assetForURL:assetURL
resultBlock:assetForURLResultBlock
failureBlock:failure];
}
failureBlock:failure];
}
}
// Should be the last iteration anyway, but just in case
*stop = YES;
}
};
// Search all photo albums in the library
[self enumerateGroupsWithTypes:ALAssetsGroupAlbum
usingBlock:enumerationBlock
failureBlock:failure];
}
You can try My below Method for Create Album for iOS 7 and iOS 8
#define PHOTO_ALBUM_NAME #"AlbumName Videos"
#pragma mark - Create Album
-(void)createAlbum{
// PHPhotoLibrary_class will only be non-nil on iOS 8.x.x
Class PHPhotoLibrary_class = NSClassFromString(#"PHPhotoLibrary");
if (PHPhotoLibrary_class) {
// iOS 8..x. . code that has to be called dynamically at runtime and will not link on iOS 7.x.x ...
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
[PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:PHOTO_ALBUM_NAME];
} completionHandler:^(BOOL success, NSError *error) {
if (!success) {
NSLog(#"Error creating album: %#", error);
}else{
NSLog(#"Created");
}
}];
}else{
[self.library addAssetsGroupAlbumWithName:PHOTO_ALBUM_NAME resultBlock:^(ALAssetsGroup *group) {
NSLog(#"adding album:'Compressed Videos', success: %s", group.editable ? "YES" : "NO");
if (group.editable == NO) {
}
} failureBlock:^(NSError *error) {
NSLog(#"error adding album");
}];
}}
Just wanted to update everyone I should have updated sooner but I got kind of swamped with work. This issue is/was an issue with iOS 8 but has been fixed with iOS 8.0.2 so all you need to do to fix it is update your iOS to iOS 8.0.2
I used the below code to check whether a specific album exists, and if it does not exist, create it and add a couple of images to it. After creating an Asset from a UIImage, I use its placeholder to add it to the album without leaving the block.
//Will enter only in iOS 8+
Class PHPhotoLibrary_class = NSClassFromString(#"PHPhotoLibrary");
if (PHPhotoLibrary_class)
{
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^
{
//Checks for App Photo Album and creates it if it doesn't exist
PHFetchOptions *fetchOptions = [PHFetchOptions new];
fetchOptions.predicate = [NSPredicate predicateWithFormat:#"title == %#", kAppAlbumName];
PHFetchResult *fetchResult = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:fetchOptions];
if (fetchResult.count == 0)
{
//Create Album
PHAssetCollectionChangeRequest *albumRequest = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:kAppAlbumName];
//Add default photos to it
NSMutableArray *photoAssets = [[NSMutableArray alloc] init];
for (UIImage *image in albumDefaultImages)
{
PHAssetChangeRequest *imageRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:image];
[photoAssets addObject:imageRequest.placeholderForCreatedAsset];
}
[albumRequest addAssets:photoAssets];
}
}
completionHandler:^(BOOL success, NSError *error)
{
NSLog(#"Log here...");
}];
}
As none of the above suggestions helped me, this is how I went about solving the issues with saving assets (photos) to a custom album name.
This code: "fetchCollectionResult.count==0" specifically handles the situation when you have deleted your custom album once and trying to save to it again, as I suppose fetchCollectionResult might stop being 'nil'.
You can easily change this to support saving of videos/movies too.
This code is for iOS 8 only!
You must make sure not to call it if the device is running on earlier versions!
#define PHOTO_ALBUM_NAME #"MyPhotoAlbum"
NSString* existingAlbumIdentifier = nil;
-(void)saveAssetToAlbum:(UIImage*)myPhoto
{
PHPhotoLibrary* photoLib = [PHPhotoLibrary sharedPhotoLibrary];
__block NSString* albumIdentifier = existingAlbumIdentifier;
__block PHAssetCollectionChangeRequest* collectionRequest;
[photoLib performChanges:^
{
PHFetchResult* fetchCollectionResult;
if ( albumIdentifier )
fetchCollectionResult = [PHAssetCollection fetchAssetCollectionsWithLocalIdentifiers:#[albumIdentifier] options:nil];
// Create a new album
if ( !fetchCollectionResult || fetchCollectionResult.count==0 )
{
NSLog(#"Creating a new album.");
collectionRequest = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:PHOTO_ALBUM_NAME];
albumIdentifier = collectionRequest.placeholderForCreatedAssetCollection.localIdentifier;
}
// Use existing album
else
{
NSLog(#"Fetching existing album, of #%d albums found.", fetchCollectionResult.count);
PHAssetCollection* exisitingCollection = fetchCollectionResult.firstObject;
collectionRequest = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:exisitingCollection];
}
NSLog(#"Album local identifier = %#", albumIdentifier);
PHAssetChangeRequest* createAssetRequest;
createAssetRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:myPhoto];
[collectionRequest addAssets:#[createAssetRequest.placeholderForCreatedAsset]];
}
completionHandler:^(BOOL success, NSError *error)
{
if (success)
{
existingAlbumIdentifier = albumIdentifier;
NSLog(#"added image to album:%#", PHOTO_ALBUM_NAME);
}
else
NSLog(#"Error adding image to album: %#", error);
}];
}