Is it possible to save recorded video from isolated storage to media library to be accessible without application (for example for synchronization with PC)?
Yes absolutely. You either need to get access to the video library through manifest or get the user to save it to the video library through the file picker save dialog.
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I have asked this question so that they can respond that it is possible to create a shortcut for a file that is in the cloud, this access will be created in the device memory, what is the purpose of this: My application has integrated a function to upload a file to the cloud and then run it from a system application like player, gallery, among others, but without having to download anything, but from an application that is installed Installed on the device (nothing external). Thank you very much.
You may want to check Create a shortcut to a file. As mentioned,
To create a shortcut instead of a file stored in Drive, use the files.create method of the API and make sure you set the MIME type application/vnd.google-apps.drive-sdk. Do not upload any content when creating the file.
However, for Google Drive Android API, you may want to check Creating Files for more information.
I have read Google Drive API documentation but I'm not able to understand the following:
Can files and folder be created and modified on drive in background of app?
My application needs working of drive in background.
For Files:
If you will check "Working with File Contents":
Lifecycle of a Drive file
The Drive Android API lets your app access files even if the device is offline. To support offline cases, the API implements a sync engine, which runs in the background to upstream and downstream changes as network access is available and to resolve conflicts.
Check this image from the document.
The lifecycle of a DriveFile object:
Perform an initial download request if the file is not yet synced to the local context but the user wants to open the file. The API handles this automatically when a file is requested.
Open the contents of a file. This creates a temporary duplicate of the file's binary stream which is only available to your application.
Read or modify the file contents, making changes to the temporary duplicate.
Commit or discard any file content changes that have been made.
If there are changes, the file contents are queued for upload to sync them back to the server.
Google API does support running in background. For folders there is no documentation regarding creating of folder can be done in background, but I think same implementation can be done.
I hope this helps.
I have a problem with the native FilePicker in UWP.
I wish to download a file from OneDrive which contains data. After I´ve modified the data on my phone I wish to sync the extern file on OneDrive.
The concept is very easy. I have a SQLite database as local data storage. When I export data, the database will be serialized into a XML file which I want to store somewhere else.
The idea was to sync the file with OneDrive. I saw this concept in many Apps before.
So I´ve tried to download the file with the native FilePicker. I can get all data, no problem. But if I would modify data, the changes would not apply to OneDrive...
Some references:
C# UWP LiveSKD and OneDrive access using FileOpenPicker
https://dev.onedrive.com/sdks.htm
Add OneDrive to your app in minutes with a few lines of code. File picker SDKs allow you to quickly download or link to files already in OneDrive, or save files into OneDrive without writing much code. Quickly integrate your app with OneDrive today!
How can I solve this problem ?
I am creating an HTML-based video gallery that will be distributed on physical media and needs to be functional in the absence of an internet connection. I will store the video files in an assets folder inside the root folder.
Will video.js function in the absence of an internet connection, packaged as a stand-alone mini-site on physical media?
Yes. In the same way that you can reference images locally relative to an HTML page, you can do the same thing with video.
so if you file is index.html and assets are in a folder called video you would simply reference something like src="video/myvideo.mp4"
Let's say i have a list of files. When I click on one it will get downloaded and saved into the app's isostore. Then it's opened in the default viewer/editor on the windows phone like this:
Windows.System.Launcher.LaunchFileAsync(file);
But when I make some changes to the file and want to save it, it can't, because it's a read-only copy of the file. Is there some way to get write-access to the file or else some public/shared (iso)store that every app has access to? The goal is to download the file, edit it and upload it back to the server.
Per the Windows Phone documentation, the Windows.System.Launcher.LaunchFileAsync API is not implemented for the Windows Phone platform:
Windows Phone 8: This API is not implemented and will throw an
exception if called.
In regards to saving the file so that it can be accessed by other applications, this is not possible, unless the file you are dealing with is a photo, in which case you could use the Media Library API.