Apple has a new MacBook that unveiled on Monday, alongside more details about Apple Watch, but one of the more interesting announcements from the company's Spring Forward event actually had to do with trackpad technology.
Apple's latest, super-thin notebook has a new trackpad that's unlike anything you've ever used or seen in the past. It detects the force of a tap and responds differently to variations in pressure. The technology, which involves something called haptic feedback, is known as Force Touch, and it's not only going to be featured in the new MacBook but also next year's iPhone.
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What's different about the new Force Touch trackpad?
The function of a trackpad has not changed much over the years. It is typically a stationary touch-mouse with clickable buttons, though sometimes it looks and acts like one big button. The Force Touch trackpad is different, and not just because it has a capacitive glass surface.
Apple has described Force Touch as the "most significant new sensing capability" since it included Multi‑Touch in older MacBook laptops.
Apart from the usual gestures (like scrolling, swiping, and pinching), the Force Touch trackpad has a customisable feature aptly titled Force Touch. You can adjust the feature's sensitivity, so that the pressure needed to register a click is determined by you. Force Touch can even tell whether you’re clicking with your thumb or another finger and auto-adjusts to the sensitivity level.
The Force Touch trackpad doesn't actually move when pressed. It has "Force sensors" under its four corners, and they detect subtle differences in the amount of pressure you apply, according to Apple, making it possible to perform a variety of different functions in different apps. Force sensors not only detect your click, but also move the trackpad laterally toward you, mimicking the downward motion of a trackpad.
The Force Touch trackpad responds to your taps and presses with haptic feedback technology that you can actually feel. Haptic feedback allows the trackpad to recreate of the sense of touch by simulating vibrations and other motions, meaning it'll let you feel a click on the trackpad, even though the trackpad isn't actually moving downward when clicked.
Haptic feedback is made possible due to Taptic Engine.
Taptic Engine is a small device attached to the back of the trackpad. It mimics the downward motion (or physical depression) of a trackpad by tapping back in the opposite direction of your click, thus simulating the physical movement, and fooling you into thinking the trackpad is moving. A traditional trackpad doesn't do any this but instead has a diving board mechanism underneath, and that's what moves downward and clicks.
Here are some examples about how to use the Force Touch trackpad:
The new Force sensors detect more than one type of click (i.e., a light click can perform one action, while a harder click can perform another, and you're able to adjust how hard of a press is needed for any type of action), but a hard press that you continue to press is something that Apple has dubbed Force click. You can Force click on the trackpad to enable new capabilities, such as looking up the definition of a word or previewing a file.
Another type of new click or gesture has been dubbed accelerators, and it works like this: gradually add pressure to the Force Touch trackpad to vary the speed with which you fast-forward through a movie. You can also gradually add pressure to zoom in on a location in Maps.
Apple has also highlighted a third type of click/gesture that's for pressure-sensitive drawing. In other words: you can press lightly on the Force Touch trackpad to create a thin stroke while drawing or harder for a thick one when, let's say, creating a signature for forms in Preview.
The trackpad will of course also send a tangible response to your fingertip whenever you perform certain actions, including Force click, accelerators, and pressure-sensitive drawing, meaning you'll be able to feel even mundane tasks like like aligning annotations on a PDF.
Is Force Touch available on Apple Watch?
Yup. In Apple Watch, Force Touch also senses force. It uses tiny electrodes around the flexible Retina display to distinguish between a light tap and a deep press, and Apple said that allows Apple Watch to trigger instant access to a range of contextually-specific controls. You can press firmly to bring up additional controls in Messages, for instance, or you can select different watch faces, search for an address in Maps, etc.
Is Force Touch coming to iPhone?
Maybe. Apple has been wanting to include haptic feedback in the displays of its iPhone and iPad lineup for years, according to the rumour mill, and now it's finally going to with the next-generation iPhone. The Wall Street Journal has claimed, citing unnamed Apple suppliers, that Apple plans to add Force Touch sensors to its next iPhones. Mass production of the new Force Touch-enabled phones will kick off in just two months.