What is 3D Touch and how does it work?
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3D Touch, how does it work?
How to use 3D Touch ?
3D Touch technologies?
3D Touch features?
What is 3D Touch and how does it work?
Apple's latest smartphones feature a pressure-sensitive display that literally takes touchscreen interaction to another dimension. In addition to tapping, swiping, or gestures involving 2 or more fingers (so-called multi-touch), the iPhone 6s is also capable of responding to pressure. Therefore, in addition to detecting finger movement in two dimensions (along the X and Y axes), the device can record screen scrolling along the Z axis. The technology is called the new generation of multi-touch. So what is 3D Touch? How does it work? Why is it so important? And is there 3D Touch on the iPhone SE?
The smartphone detects pressure using microscopic sensors embedded in various layers of the screen. Apple itself says about 3D Touch that it is a "technology that begins with a screen that recognizes the applied pressure".
More precisely, pressure creates forces that are detected by sensors called strain gauges. As sensors, materials are used that, when bent, change the electrical signal. And the deformation occurs when you press the screen. Even regular glass bends, but iPhone 6s uses more flexible Corning glass and specially-made glass.
Most touch devices detect finger touches on the screen using "capacitance": electrical signals passing through circuitry change when they come into contact with a capacitor, i.e. a object that carries an electrical charge, such as the human body. When a finger touches a conductive surface, such as glass, it completes a circuit with capacitive sensors below the panel's surface, generating a detectable change in the electrical signal.
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Why is 3D Touch necessary?3D Touch provides additional input control options. It's like having a 2-button mouse: lightly pressing the screen is equivalent to clicking the left button, and pressing is like clicking the right button.
Note that 3D Touch on iPhone is not the Force Touch technology found on Apple Watch and MacBook trackpads. The latter only registers touch, while the former detects 2 levels of pressure: soft and hard. On the phone's home screen, a short press on an app icon opens the Quick Actions context menu, shortcuts to frequently used functions like taking a selfie or writing a text message. More pressure on one of the options to perform this action.
A light press also allows you to view the content of an email or website, while a stronger press opens the selected message or page. So far, only a few apps have this technology, but, as is the case with multi-touch technology, it's likely to find more use in games..
Why is 3D Touch important?Many people are still confused about what 3D Touch is, mistaking it for a long press, a gesture that already exists on most touch devices. For example, tapping and holding is used to select text or move/remove apps from the home screen. In principle, weak and strong pressure can be simulated using the long-hold method, but this will not be as effective.
Why is 3D Touch more than just a gimmick?By its nature, a long hold takes some time. It takes about 0.5 seconds to work, while pressing provides an instant response to user actions. This is the biggest advantage of iPhone 3D Touch, that this technology saves time and improves smartphone productivity. Vibration is used to create the sensation of touch. Apple has already used haptics on the MacBook's trackpad, which doesn't actually slide down, but instead vibrates to mimic a button press. This is accomplished with a small motorized engine called the Taptic Engine.
Which iPhones does 3D Touch work on? 3D Touch is compatible with iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus , iPhone 8, iPhone 8 Plus and iPhone X.
How to use 3D Touch on iPhone?
3D Touch Quick ActionsWith 3D Touch, you can quickly activate some function of the application without spending time starting the application. So, if you forcefully click on the "Messages" application, a list of users with whom you communicate will appear. Clicking on any of these users will take you directly to a chat with that user. Similar "quick actions" are available for many other applications.
Widgets with informationIn some cases, along with the list of quick actions, a small widget with application information appears on the screen. For example, a hard press on the Weather app icon will bring up a weather widget and a list of quick actions.
Folder managementQuick actions are also available for application folders. If you force click on such a folder, a menu will appear with which you can rename the folder or start one of the applications.
Notification managementYou can open the Notification Center and use 3D Touch on the X button. As a result, a button will appear with which you can remove all notifications at once. You can also use 3D Touch to preview the content mentioned in the notification.
Control Center3D Touch also works in Control Center. For example, you can open Control Center and hard press the flashlight icon. As a result, a menu appears in which you can select the operating mode. Also, in the Control Center you can use 3D Touch on the stopwatch, calculator and camera icon.
Note.- As you can see, 3D Touch opens lots of additional possibilities to control the iPhone interface and saves a lot of time.
3D Touch technologies on iPhone?
Equipped with capacitive sensorsTouch sensors are often made of indium tin oxide (ITO), an optically transparent material that conducts electricity. You can think of them like wires in a circuit because that's how they behave, even though the sensors themselves are actually a grid of dots on a screen.
Capacitive sensors are built into the backlight of the iPhone display and measure microscopic changes in the distance between the glass coating and the 8 x 12 pressure sensor array with each press. Determining how much glass is curved requires complex algorithms.
Appel solution patentsThe patents partially reveal what 3D Touch is. These are capacitive sensors designed as one of several meandering circuits that correspond to the orientation of the forces detected by the main strain gauges. According to another patent, the technology includes 2 layers of sensors. The first is for force sensing and the second is for temperature compensation, as heat can cause materials to expand and potentially cause false signals. At the corners of the grid, the sensors are rotated 45° to detect warping along the corner, and the internal sensors are oriented parallel to the edges of the screen.
Changes in the electrical signal caused by physical forces on each strain gauge determine the so-called. the center of force, and then compare the values with the readings of neighboring sensors, so the position and pressure level are reinforced. As stated in the patents, the display "associates the measured difference with the electronic device." For example, if the iPhone receives more information from the left than from the right, then obviously one side of the screen is being pressed. When you touch the center of the screen, the signals will be symmetrical. This way you can get a pretty accurate picture of where and how much force is being applied.
The technology has been used in Apple smartphones since 6 years, so for those wondering if there is 3D Touch on the iPhone SE, the answer is no. Not the last role in this was also played by the price of the device, its small size and the complexity of mass production.
3D Touch is a complex and expensive solution.- Apple wasn't the first company to create a pressure-sensitive phone, but it has made significant investments in the technology. From a technical standpoint, the hardware to create a display that can do this is incredibly complex. It requires time, huge costs and investment in production. Since the idea of 3D Touch is not innovative, the success of the iPhone 6s depends on how well its pressure sensitivity is implemented. And Apple got it.
How to enable 3D Touch on iPhone 6? By default, this functionality is already enabled. But it can be turned off and on again at the user's request. To do this, in the general settings, select the "Accessibility" item, then - 3D Touch - and change the status to required.
3D Touch features?
3D Touch is a technology that allows an Apple device to recognize how hard a user presses on a smartphone screen. 3D Touch is based on previously patented Force Touch technology found in Apple smartwatches and some MacBook models. The screen's ability to "sense" pressure allows iOS to expand the range of possible actions based on finger pressure. Additional functionality is available and increases the convenience of working with a smartphone.
To denote physical actions when using technology, Apple has introduced new names in addition to short press and swipe: "peek" and "pop." These actions allow you to view and manage content without fully launching the corresponding application. Light pressure (look) is used to preview information, for example, an incoming letter or message in a messenger. If the user is not going to continue working with the content, then he releases his finger, otherwise he presses harder (pop), and the message is opened in the corresponding application.
3D Touch capabilities?Now more about 3d touch: what is it on the iPhone, in which model did this feature appear and other frequently asked questions. The new technology, after being tested on Apple Watch and MacBook trackpads, was also adapted for the company's smartphones. The first models with new features were the iPhone 6 and iPhone 6s. With 3d touch enabled, pressing harder on the icon does not start the program. Its additional properties or a list of most requested features opens for quick access. Also, such a click for individual applications launches a mini-widget of the program. The fact that the touch is recognized is signaled by the smartphone with a slight vibration from the Taptic Engine.
Examples of 3D TouchApple's native apps, as well as a number of popular third-party apps, have been given added functionality by hard-pressing the app icon on the desktop. The user got easy access to the functionality without launching and opening the app. The context menu shows the most common functions of a particular program, but the application itself does not start. Also, various developers have added support for 3d touch within the apps themselves for new actions or to make it easier to implement old ones.
How to do Quick Access?The most used "trick" of 3d touch is to open the context menu without starting the program. With a strong pressure on the application icon on the desktop, a menu with the available properties and functions opens. Thus, for permanent actions, you don't have to wait for the application to open and make a few extra clicks in the general menu. So the App Store in the context menu offers a store search and enter the iTunes code. An update button for all apps and quick purchases are available. For Safari, you can open new tab, incognito tabs, launch bookmarks bar. The Music app will open recently played tracks with a search field, while Phone will show the four most recent contacts, offer to create a new one, and display the search bar.
Additional functionsVarious applications use 3D touch technology to call additional functions. On Instagram, hard-clicking a thumbnail opens the full version of the image. WhatsApp and other instant messaging services show a preview of the selected conversation. Safari can also display preview information for a web page without having to go to it. The default Messages app uses 3d touch to select template reply phrases in conversations.
How to activate 3D Touch?Now about how to enable 3d touch on iPhone. By default, the feature is enabled on all Apple devices, but if someone disabled it, then it's easy to turn it on:
1.- Go to phone settings.
2.- Select "General" and go to "Universal access".
3.- In the list of suggested configurations, look for the line "3D Touch".
4.- Place the switch in the "On" position.
How to disable 3D Touch?In the event that a new feature is difficult for you to get used to and greatly interferes with your daily work, turn it off. There is no quick access to settings, so open the 3D Touch item along the path indicated in the previous section and set the toggle switch to the "Off" position.
3D Touch SettingsYou can adjust the touch sensitivity of the screen. If the function often falsely activates, or vice versa, you think you are putting too much effort to activate the function, then adjust the sensitivity of the sensors. To do this, follow the path "Settings - General - Accessibility - 3D Touch" and place the slider in a comfortable position. By default, the average value is set. With low sensitivity of the sensors, the pressure force will increase, with high sensitivity it will decrease. To test the pressure force, below the slider there is an image with which the user checks the pressure level set on the screen.
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What is 3D Touch and how does it work?.-
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