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---
license: Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
---
LocalFileSystem
===============
This object provides a way to obtain root file systems.
Methods
----------
- __requestFileSystem__: Requests a filesystem. _(Function)_
- __resolveLocalFileSystemURI__: Retrieve a `DirectoryEntry` or `FileEntry` using local URI. _(Function)_
Constants
---------
- `LocalFileSystem.PERSISTENT`: Used for storage that should not be removed by the user agent without application or user permission.
- `LocalFileSystem.TEMPORARY`: Used for storage with no guarantee of persistence.
Details
-------
The `LocalFileSystem` object methods are defined on the `window` object.
Supported Platforms
-------------------
- Android
- BlackBerry WebWorks (OS 5.0 and higher)
- iOS
- Windows Phone 7 and 8
- Windows 8
Request File System Quick Example
---------------------------------
function onSuccess(fileSystem) {
console.log(fileSystem.name);
}
// request the persistent file system
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onSuccess, onError);
Resolve Local File System URI Quick Example
-------------------------------------------
function onSuccess(fileEntry) {
console.log(fileEntry.name);
}
window.resolveLocalFileSystemURI("file:///example.txt", onSuccess, onError);
Full Example
------------
<!DOCTYPE html>
<html>
<head>
<title>Local File System Example</title>
<script type="text/javascript" charset="utf-8" src="cordova-x.x.x.js"></script>
<script type="text/javascript" charset="utf-8">
// Wait for device API libraries to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// device APIs are available
//
function onDeviceReady() {
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onFileSystemSuccess, fail);
window.resolveLocalFileSystemURI("file:///example.txt", onResolveSuccess, fail);
}
function onFileSystemSuccess(fileSystem) {
console.log(fileSystem.name);
}
function onResolveSuccess(fileEntry) {
console.log(fileEntry.name);
}
function fail(evt) {
console.log(evt.target.error.code);
}
</script>
</head>
<body>
<h1>Example</h1>
<p>Local File System</p>
</body>
</html>
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