Saving and viewing files in iOS

where the files are stored in ipad?
how to find downloaded files on ipad
save to files on my iphone not working
how to access app files on iphone
files app iphone
how to see hidden files on iphone
create folder on my iphone files
how to access root files on iphone from pc

I'm getting base64-encoded file content from server. Then I'm writing data into file. I checked that file is not empty after that, it means data was successfully written to file. But when I'm trying to present this file, all I get is an empty view. So what am I doin' wrong? enter image description here

[f getFile:^(NSString * _Nonnull string) {
                NSString *docsDir;
                NSArray *dirPaths;
                NSData *content = [string dataUsingEncoding:NSUTF8StringEncoding];
                dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
                docsDir = [dirPaths objectAtIndex:0];
                NSString *databasePath = [[NSString alloc] initWithString:[docsDir stringByAppendingPathComponent:@"hill.jpg"]];
               [content writeToFile:databasePath atomically:YES];
                if ([[NSFileManager defaultManager] fileExistsAtPath:databasePath]){
                 NSURL *url = [NSURL fileURLWithPath:databasePath];
                UIDocumentInteractionController *documentInteractionController =[UIDocumentInteractionController interactionControllerWithURL:url];
                 documentInteractionController.delegate = self;
                 [documentInteractionController presentPreviewAnimated:YES];
                }
        } Error:^(NSString * _Nonnull errorMessage) {

      }];

Edited your code snippet, Try it

[f getFile:^(NSString * _Nonnull string) {
                NSString *docsDir;
                NSArray *dirPaths;
                NSData *content = [[NSData alloc] initWithBase64EncodedString: string options:0];
                dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
                docsDir = [dirPaths objectAtIndex:0];
                NSString *databasePath = [[NSString alloc] initWithString:[docsDir stringByAppendingPathComponent:@"hill.jpg"]];
               [content writeToFile:databasePath atomically:YES];
                if ([[NSFileManager defaultManager] fileExistsAtPath:databasePath]){
                 NSURL *url = [NSURL fileURLWithPath:databasePath];
                UIDocumentInteractionController *documentInteractionController =[UIDocumentInteractionController interactionControllerWithURL:url];
                 documentInteractionController.delegate = self;
                 [documentInteractionController presentPreviewAnimated:YES];
                }
        } Error:^(NSString * _Nonnull errorMessage) {

      }];

Use the Files app on your iPhone, iPad, or iPod touch, locally. It looks like a cloud with a downward arrow. The Files app is new to iOS 11 and is a way for you to house and organize your documents so that you can take your work with you wherever you go. Sure, there are Pages, Keynote, and Numbers, but Files lets you have all that and more in one convenient place.

From your code, I see you save a string into a an image file (hill.jpg). The UIDocumentInteractionController read file base on their extension, so they can't read this file. I think if you change your file name to hill.txt, your code could work. Hope this helps.

How to Use the Files App in iOS 13 and iPadOS, Open one of your online storage services to view your saved folders and files. To run a command on a single file, press down on its thumbnail. Save and mark up PDFs on your iPhone, iPad, or iPod touch with the Books app. You can add PDFs to your Apple Books Library on your iPhone, iPad, iPod touch, or Mac, then access your files on any of your other devices using iCloud Drive. Learn more about using Apple Books. Save or import.

As you say, the content gets from the server are base64-encode, so you need to decode it.

NSData *imageContent = [[NSData alloc] initWithBase64EncodedString:string options:kNilOptions];
if (imageContent) {
    // save to file
}

How to access the Files app on iPhone and iPad, You can use the Files app to view files from iCloud, Google Drive, Dropbox, and so How to save attachments in Mail for iPhone and iPad. In iOS apps, files are used as the means for storing and restoring the state of an active game. If you’ve done any programming in any language (C, C++, Java, C#, you name it), you’ve used files to read data from and write data to. Objective-C allows you to work with files as wellFiles in iOS are organized into directories.

Where is "Save to Files"? (iPhone/iPad), Where is "Save to Files"? Why is it that sometimes you don't get the "Save to Files " option Duration: 3:05 Posted: Jun 2, 2019 Open the Files app. The first time you launch Files, you'll need to enable and connect to services. Files serves up access to several online file storage services, including iCloud Drive, OneDrive,

How to use Files app to save files locally in your iPhone/ iPad , iOS 11 comes with a new built in files manager called Files. It connects all your From now Duration: 3:17 Posted: Sep 17, 2017 Select your device in iMazing, then click Apps. Select an app, then enter its Backup folder. Navigate that folder to find files. Select files you want to view; you may or may not be able to view them, depending on which apps are needed to read their data.

How to Browse Your iPhone's Files in iOS 11, How to Browse Your iPhone's Files in iOS 11. By Dwight Spivey. Long-time iPhone users have pined for a way to browse files stored on our devices, as opposed to� Tap the Attachment icon. Tap Options in the top right of the screen. Choose where to send the file. Depending on the file, you can usually tap Save Image for images, Copy to iBooks for PDFs, or Save to Files to save it to the Files app for general use. Tap the More icon to find more options.