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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.

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File

This object contains attributes of a single file.

Properties

• name: The name of the file. (DOMString)
• fullPath: The full path of the file including the file name. (DOMString)
• type: The mime type of the file. (DOMString)
• lastModifiedDate: The last time the file was modified. (Date)
• size: The size of the file in bytes. (long)

Methods

• slice: Select only a portion of the file to be read.

Details

The File object contains attributes of a single file. You can get an instance of a File object by calling a FileEntry object's file() method.

Supported Platforms

• Android
• BlackBerry WebWorks (OS 5.0 and higher)
• iOS
• Windows Phone 7 and 8
• Windows 8

slice

Return a new File object, for which FileReader returns only the specified portion of the file. Negative values for start or end are measured from the end of the file. Indexes are positioned relative to the current slice. (See the full example below.)

Parameters:

• start: The index of the first byte to read, inclusive.
• end: The index of the byte after the last one to read.

Quick Example

var slicedFile = file.slice(10, 30);

Full Example

var slice1 = file.slice(100, 400);
var slice2 = slice1.slice(20, 35);

var slice3 = file.slice(120, 135);
// slice2 and slice3 are equivalent.

Supported Platforms

• Android
• iOS