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copied!<p>I've researched this and unfortunately I can't find any API support for detecting whether an earpiece exists.</p> <p>I've now raised this with Google as a feature request:<br> <a href="http://code.google.com/p/android/issues/detail?id=37623" rel="nofollow noreferrer">http://code.google.com/p/android/issues/detail?id=37623</a></p> <p>If you agree with the feature, click on the star at the bottom of the Google issue page to vote for it!</p> <p>Lots of users have raised the issue that Google Talk doesn't offer a speaker/earpiece toggle option, which perhaps suggests the absence of a suitable API...<br> <a href="http://code.google.com/p/android/issues/detail?id=19221" rel="nofollow noreferrer">http://code.google.com/p/android/issues/detail?id=19221</a></p> <p>As a workaround you may wish to hide the feature on devices approximated by (all of these approaches have drawbacks):</p> <ul> <li>those with extra large screens (i.e. tablets)</li> <li>those with no telephony support</li> <li>use a configurable white/blacklist of the main devices that do not have an earpiece.</li> </ul> <p>FTR, if you use <a href="https://stackoverflow.com/a/4663831/112705">this answer</a> to route audio to the earpiece, there don't seem to be any negative side affects running that code on the Xoom (OS 3.1) or the Samsung Galaxy Tab (OS 2.2) - the audio just continues to play through the external speaker. I haven't had a chance to test if there are any interactions with Bluetooth headsets yet.</p>

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