Webapi support on different versions

This page is intended to document what Androids versions Web APIs(SysApps) can work on.

Details

Category	API	Supported on Android versions
Presentation	navigator.presentation	>= Android 4.2
DeviceCapabilities CPU	xwalk.experimental.system.cpu	>= Android 4.0
DeviceCapabilities Memory	xwalk.experimental.system.memory	>= Android 4.1 (Android 4.0 not supported due to a bug
DeviceCapabilities Display	xwalk.experimental.system.display	>= Android 4.2
DeviceCapabilities Storage	xwalk.experimental.system.storage	>= Android 4.0