Phongap for android nothing happen on `navigator.camera.getPicture`

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http://stackoverflow.com – I'm trying to upload photo from android to server by using phonegap code example. Nothing happend when I clicked by #selectorBtn. I tested it on first galaxy tab. I don't see any error messages. LogCat didn't show anything usefull too. What can be wrong? Why select image dialog or camera menu didn't start? Index.html: <!DOCTYPE html> <html> <head> <meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width;" /> <title>Upload File</title> <!-- phonegap.js is correct file name --> < (HowTos)