# PhoneGap Documentation

# Project Settings

You can set various application configuration parameters using a platform-agnostic configuration file, `config.xml`. This file is based on the W3C Packaged Web Apps (Widgets) specification.

The location of the `config.xml` file is different depending on the platform. The contents, in general, are not.

## Platform-Specific Properties

As with any abstraction layer, Apache Cordova cannot be a perfect silver bullet. As such, some native and platform-specific properties, characteristics and behaviours are encapsulated as much as possible as `<preference>` elements inside the `config.xml` file. The following sub-sections linked to are guides which go into more details about these preferences.

- Project Settings for iOS
- Project Settings for Android
- Project Settings for BlackBerry
- Project Settings for Windows Phone 7
- Project Settings for Windows Phone 8
- Project Settings for Windows 8
- Project Settings for FirefoxOS

## config.xml Elements

The PhoneGap project strives abstract away native platform specifics via web-inspired and web-based abstractions that are heavily standards driven and adopted by the web community. Please take a few minutes to familiarize yourself with the config.xml specification, to understand the type of application metadata the Apache Cordova project aims to abstract and provide simple entry points for.

An example:

        <widget>
            <preference name="MySetting" value="true" />
            <plugins>
                <plugin name="MyPlugin" value="MyPluginClass" />
            </plugins>
            <access origin="*" />
        </widget>

A list of supported elements across major platforms which are supported in Apache Cordova follow.

### `<plugin>`

These elements map to native APIs that the application accesses. At runtime, the Apache Cordova framework checks the `<plugin>` elements and maps them to native code to enable your Cordova application to access device APIs otherwise unavailable to typical web-based applications.

### `<access>`

These elements define how your whitelist works. Please see the Domain Whitelist Guide for more information.

### `<content>`

This element defines your application's start page relative to the project's standard web assets root folder. The default is `index.html`.