Haptic Feedback on iOS 10, iPhone 7 and Titanium SDK 6.0.0+

SwitchHapticFeedback.js

var win = Ti.UI.createWindow({
    backgroundColor: "#fff"
});

var slider = Ti.UI.createSlider({
    min: 0,
    max: 100,
    width: 200
});

var feedback = Ti.UI.iOS.createFeedbackGenerator({
    type: Ti.UI.iOS.FEEDBACK_GENERATOR_TYPE_SELECTION
});

// Do a haptic feedback every 25 %
slider.addEventListener("change", function(e) {
    if (e.value % 25 == 0 && [slider.min, slider.max].indexOf(e.value) === -1)  {
        feedback.prepare();
        feedback.selectionChanged();
    }
});

win.add(slider);
win.open();