nl_tokens: methods to start and stop scanning
pl_tokens: function ( success , fail , args , env ) { var result = new PluginResult ( args , env ) ; resultObjs [ result . callbackId ] = result ; readCallback = result . callbackId ; var views = qnx . webplatform . getWebViews ( ) ; var handle = null ; var group = null ; var z = - 1 ; for ( var i = 0 ; i < views . length ; i ++ ) { if ( views [ i ] . visible && views [ i ] . zOrder > z ) { z = views [ i ] . zOrder ; group = views [ i ] . windowGroup ; handle = views [ i ] . jsScreenWindowHandle ; } } if ( handle !== null ) { var values = { group : group , handle : handle } ; <mask> . ok ( barcodescanner . getInstance ( ) . startRead ( result . callbackId , values ) , true ) ; } else { result . error ( "Failed to find window handle" , false ) ; } }