What are status bar icons? Android Status Bar icons are simply notifications in the system user interface from apps running on your device. These notifications can contain text, graphics, and even controls. … When the system UI receives a message, it responds by putting it in the Notifications Drawer at the top of the screen.
Also, What is Samsung NFC?
Near Field Communication (NFC) technology allows users to make secure transactions, exchange digital content, and connect electronic devices with a touch. … NFC is the technology in contactless cards, and the most common use of NFC technology in your smartphone is making easy payments with Samsung Pay.
Which is the status bar? A status bar is a horizontal window at the bottom of a parent window in which an application can display various kinds of status information. … The status bar is the area at the bottom of the window that contains Help text and coordinate information.
What does the keyhole symbol mean on Android?
When Private mode is enabled a keyhole icon will display in the status bar.
Where is the status bar on Android?
Status bar (or notification bar) is an interface element at the top of the screen on Android devices that displays the notification icons, minimized notifications, battery information, device time, and other system status details.
Should NFC be on or off?
NFC needs to be turned on before you can use the service. If you’re not planning to use NFC, it’s recommended that you turn it off to save battery life and avoid possible security risks. While NFC is considered safe, some security experts advise switching it off in public places where it may be vulnerable to hackers.
What does an NFC tag look like?
They are small stickers, round-or-square-shaped, about the size of a large coin. Besides this, these small stickers of wireless technology also allow data transfer between two NFC enabled devices.
How can you tell if someone is spying on your phone?
Here are 10 of the most common signs that someone is spying on your phone:
- Unfamiliar Applications. …
- Your Device is ‘Rooted’ or ‘Jailbroken’ …
- The Battery Is Draining Fast. …
- Your Phone Is Getting Very Hot. …
- Unusually High Data Usage. …
- Strange Activity In Standby Mode. …
- Issues With Shutting Down the Phone. …
- Odd SMS Messages.
What is Toolbar and status bar?
A toolbar offers easier access to tasks typically conducted within the application whereas in the status bar it is displayed at the lower side of the web browser screens and other application windows.
What is in the menu bar?
A menu bar is a thin, horizontal bar containing the labels of menus in a GUI. The menu bar provides the user with a place in a window to find the majority of a program’s essential functions. These functions include opening and closing files, editing text, and quitting the program.
What is a command bar?
The command bar is located near the upper-right side of the browser or as its own bar, depending on your version. … The command bar provides access to change settings for the Internet pages you view, including text size, text style, and e-mail capabilities.
Why is there a lock symbol on my screen?
The padlock symbol means the web page you are visiting is secure. For extra peace of mind please ensure that the web address that appears in the internet bar starts with “https://”, as this confirms you are on a secure web page.
What is private mode on Samsung?
Private Mode lets you hide specific files within some Samsung apps so that they’re no longer in view when Private Mode is disabled. It works in the Gallery, Calendar, Contacts, Email, Camera, Internet, Samsung Notes, and My Files apps.
How do you access private mode on Samsung?
Launch the Settings app from your Home screen or from the app drawer. Tap Privacy and safety. Tap Private mode. Tap the toggle to enable Private mode.
How do I change the status bar icon on my Samsung?
What is Android Action Bar?
The ActionBar, now known as the App Bar, is a consistent navigation element that is standard throughout modern Android applications. The ActionBar can consist of: An application icon. An “upward” navigation to logical parent. An application or activity-specific title.
Where is the notification bar on this phone?
The Notification Panel is at the top of your mobile device’s screen. It is hidden in the screen but can be accessed by swiping your finger from the top of the screen to the bottom. It is accessible from any menu or application.
Do you really need NFC on your phone?
NFC is a slick technology for mobile payments, but too often carriers block access. This service works on iOS and Android smartphones in conjunction with a reader at the store where you scan in your barcode to pay. …
What is NFC feature?
Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.
Can someone else turn on my NFC?
As long as both devices are NFC-capable and that they are within the NFC wireless range, the connection is valid. … This has the potential for some real problems since anyone can establish an NFC connection with your device as long as they get close enough.
Whats NFC mean on my phone?
Near Field Communication (NFC) allows the transfer of data between devices that are a few centimeters apart, typically back-to-back. … NFC must be turned on for NFC-based apps (e.g., Android Beam) to function correctly.
What things have NFC tags?
These days, the most common thing that NFC is used for is contactless payment. Many newer credit and debit cards include an NFC tag, so you can just hold your card just above a payment terminal rather than swipe or insert it. Most modern phones include an NFC chip, which can act as both an NFC reader/writer and tag.
Where would I find an NFC tag?
As well as phone to phone communication, small little NFC tags can also be used to store and transfer information. You will probably have noticed small NFC tags next to advertisements near bus stops, stickers in shops, or may have even come across the clever idea of using NFC enabled business cards.