Lock screen
[9][10] At first, Android did not use a gesture-based lock screen, electing to require the user to press the phone's Menu button.[14] Android also allows devices to be locked using either a password, passcode, a pattern on a grid of 9 circles, fingerprint sensing, or facial recognition.[11] Android distributions by other manufacturers typically use different lock screen designs than what stock Android utilizes; some versions of HTC's Sense used a metallic ring dragged from the bottom of the screen to unlock the phone, and also allows users to launch apps by dragging their respective shortcut icon into the ring instead.[24][25] Amazon's Android-based Kindle Fire tablets display notifications of "special offers" on its lock screen, unless users purchase a more expensive SKU of the device which disables this feature.The British court specifically ruled that Apple's lock screen[31] was an "obvious improvement" over that of the Neonode N1 due to its additional visual feedback through an on-screen slider graphic (unlike the N1, which only displayed a written instruction explaining the gesture).However, Apple was warned that they would have been required to put up a bond as insurance if they were to allow the injunction to take effect, and any potential sales ban as a result would be limited to Germany.
computeruser interfaceoperating systemsaccesspasswordperforming a certain gesturetouchscreenpersonal identification numbersbiometricsTouch IDfacial recognitionlogin screennotificationsMobile operating systemssmartphonestabletsiPhoneiOS 10slidercamerawidgetsiPhone XiPad ProAndroidAndroid 2.0rotary dialAndroid 2.1padlockfingerprint sensingSamsungTouchWiz NatureGalaxy S IIIlens flareWindows NTWindows XPkeyboard shortcutWindows 8wallpaperWindows 10CortanaWindows SpotlightscreensaverUnix-likeXScreenSavergnome-screensaveradvertisingAmazonKindle FireAmazon PrimeGoogle Play StoreadwareGlanceprior artongoingpatent warspatent infringementvisual feedbackUniversity of Maryland Human – Computer Interaction LabCatherine PlaisantinjunctionMotorola MobilityMotorola XoomYouTubeTouch screenMobile security