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Viewed 9k times. Improve this question. Bryan Stump Bryan Stump 1, 15 15 silver badges 25 25 bronze badges. Add a comment. Active Oldest Votes. Improve this answer. Enieber Enieber 87 6 6 bronze badges. The former is more permanent, so when creating our file path to download the remote content to, we use that one. The process described below for Android will also work on iOS devices, but it will only work if the file being downloaded is an image file. The best way is to use the expo-sharing library docs , which exposes different ways of dealing with different types of files.
You can tag files with a UTI of your choosing. The above will open a prompt to the user after any non-image file has downloaded. The prompt will ask the user what the user would like to do with the file. Image files on iOS can be handled the same way as all files are handled in Android below. How to handle such requests? The simple server in Node. It may be e. URI returned by CameraRoll.
See supported URI schemes. Else returns a Promise that resolves to an object with the following fields:. If operating on a source from CameraRoll. This is the same as the fileUri input parameter. Contains the MD5 hash of the file. Read the entire contents of a file as a string. Options: FileSystem. UTF8 , FileSystem. Default is FileSystem. This option is only used when encoding: FileSystem. Base64 and position is defined. Base64 and length is defined. A Promise that resolves to a string containing the entire contents of the file.
You can't create a new file. Delete a file or directory. If the URI points to a directory, the directory and all its contents are recursively deleted. Create a copy of a file or directory. Directories are recursively copied with all of their contents. It can be also used to copy content shared by other apps to local filesystem.
It can be e. A Promise that resolves to an array of strings, each containing the name of a file or directory contained in the directory at fileUri. Download the contents at a remote URI to a file in the app's file system. The directory for a local file uri must exist prior to calling this function. If there is no file at this URI, a new one is created. If there is a file at this URI, its contents are replaced.
The directory for the file must exist. The keys and values of the object are the header names and values respectively. Provided for convenience since it is common to check the integrity of a file immediately after downloading.
Determines if tasks can be handled in the background. On Android, sessions always work in the background and you can't change it. Defaults to FileSystemSessionType. Returns a Promise that resolves to an object with the following fields:.
Upload the contents of the file pointed by fileUri to the remote url. The file must exist.
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