This sample offers an OnShake function using the accelerometer.
var lastx,lasty,lastz,lastms function OnStart() { var lay = app.CreateLayout( "Linear", "VCenter,FillXY" ); var txt = app.CreateText( "Shake test" ); lay.AddChild( txt ); app.AddLayout( lay ); var sns = app.CreateSensor( "Accelerometer" ); sns.SetOnChange( sns_OnChange ); sns.Start(); } function sns_OnChange( x, y, z, time ) { try { var diffms,speed; if(lastx!==undefined) { diffms=time-lastms; speed = Math.abs(x+y+z-lastx-lasty-lastz) / diffms * 10000; if(speed>800) OnShake(speed/800); } lastx=x; lasty=y; lastz=z; lastms=time; } catch(e) {} } function OnShake(speed) { var msg = "Shake\n"+speed.toFixed(2); app.ShowPopup(msg,"Short"); }