
PhoneGap By Example
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Before proceeding to consider the specific settings for each mobile platform, let's look at the common configuration file config.xml
. This file contains very important information on setting up our future applications.
By default, our config.xml
file has the following contents:
<?xml version='1.0' encoding='utf-8'?> <widget id="com.cybind.travelly" version="0.0.1" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0"> <name>Travelly</name> <description> A sample Apache Cordova application that responds to the deviceready event. </description> <author email="[email protected]" href="http://cordova.io"> Apache Cordova Team </author> <content src="index.html" /> <access origin="*" /> </widget>
Where:
Reverse domain name notation is a naming convention for the components, packages, and types used by a programming language, system, or framework.
Furthermore, there can be other options presented. Usually, they are added under the tag access. These elements are preference
and feature
.
Preference items can be global and multiplatform.
For example, the following two settings are global and apply to all supported platforms:
<preference name="Fullscreen" value="true" /> <preference name="Orientation" value="landscape" />
Where:
Fullscreen
allows you to hide the status bar at the top of the screenOrientation
allows you to lock orientation and prevent the interface from rotating in response to changes in orientationThe following two settings apply to multiple platforms, but not all:
<preference name="TopActivityIndicator" value="gray" /> <preference name="AutoHideSplashScreen" value="false" />
Where:
TopActivityIndicator
sets the color of the Activity IndicatorAutoHideSplashScreen
specifies whether to hide the splash screen automatically or allow the programmer to do it in codeIn this case, it is not necessary to add feature elements manually, because in the initial stage, we will use the cross-platform workflow, where we will use the command CLI plugin to add the device API. However, when we move to fine-tuning of each platform, we will add the feature elements, as shown in this example:
<feature name="Device"> <param name="ios-package" value="CDVDevice" /> </feature> <feature name="Device"> <param name="android-package" value="org.apache.cordova.device.Device" /> </feature>
Change the font size
Change margin width
Change background colour