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https://issues.apache.org/jira/browse/CB-753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532252#comment-13532252
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Jonathan Bond-Caron commented on CB-753:
----------------------------------------
Small clarification, the purpose of device.has() or device.hasCapability()
would be to always return a boolean value:
window.device.has = function(feature) { return this.capabilities[feature]) ?
true : false }
Plugins could extend window.device.capabilities with additional information
about the device.
> ER: API to query if device has a camera
> ---------------------------------------
>
> Key: CB-753
> URL: https://issues.apache.org/jira/browse/CB-753
> Project: Apache Cordova
> Issue Type: New Feature
> Affects Versions: 1.7.0
> Reporter: Jean-Pierre
> Priority: Minor
>
> Cordova does not offer any API to query the device for its capabilities, so
> one cannot know if it has a camera with which to take a picture without
> attempting to take a picture, falling through the error handler and then
> hard-match the error code -- a pretty poor user experience. i have seen some
> suggestion to check device.camera, but a device may still have a library to
> pull an image from while not having a camera, so that isn't likely helpful.
> there isn't even any way to find the specific hardware revision to match off
> that.
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