resistive touchscreen

ObjectiveIf we allow users to control the Web APP in a way that is similar to a desktop browser mouse gesture on the page, there must be a lot of clickable areas on this page, what if the user touches those clickable areas??Mobile devices such as smartphones and tablets typically have a capacitive touchscreen (capacitive touch-sensitive screen) to capture the interaction of the user's finger. With the development of mobile networks, which can support

---restore content starts---1.Touch Event Delivery mechanismThe procedure is somewhat similar to the stack, and the subclass of ViewGroup has the following 3 methods that inherit it:public boolean dispatchtouchevent (Motionevent event); Message distribution, which is equivalent to calling other functions in one functionpublic boolean onintercepttouchevent (Motionevent event); Intercept messagespublic boolean ontouchevent (Motionevent event); Touch-screen processing, if the completion process ret

First, touch eventsOntouchstartOntouchmoveOntouchendOntouchcancelCurrently mobile browsers support these 4 touch events, including ie. Because the touchscreen also supports MouseEvent, their order is important to note:Touchstart→mouseover→mousemove→mousedown→mouseup→click1/*** ontouchevent*/var div = document.getElementById ("div");Touchstart similar to MouseDownDiv.ontouchstart = function (e) {The touches property of an event is an array in which one

directly when we switch between the portrait and landscape screens.OnCreateMethodOnConfigurationChangedInstead of re-runningOnCreateMethod, of course, if this attribute is not configured, it will be called againOnCreateMethod Android: configChanges = ["Mcc","Mnc","Locale","Touchscreen","Keyboard","KeyboardHidden","Navigation","ScreenLayout","FontScale","UiMode","Orientation","ScreenSize","SmallestScreenSize"] Mcc:The IMSI mobile country code (MCC) ha

Failure phenomenon: You can see the mouse cursor resting on the touchscreen, with a small square or imaginary circle around it. Solution: Impact Model: ThinkPad Helix (Type 3xxx) Impact System: Microsoft Windows 8 Solution: Download and install the touch screen firmware update: https://support.lenovo.com/us/zh/olddownloads/ds037644 To close the touch screen method: 1, open the Control Panel (Windows key + X, and then select the Control Panel);

aregenerated by events and keystrokes that are usually generated by the touch screen and are the most common. But in fact inputevent not only have these two kinds. Because the android system can run a very rich type of device, on different devices corresponding to different hardware, there must be a different input events,inputevent Depending on the input source of the event, it can be divided into the following categories (not all):Sensor inputevent ( Transducer input Event )Hook inputevent (

The-webkit-overflow-scrolling is used to control whether an element uses a scrolling rebound effect on a mobile device.Compatibility with Android and iOS is as follows:Overflow:auto; /* *//**/Value:-webkit-overflow-Scrolling:touch; -webkit-overflow-scrolling:auto;AutoWith normal scrolling, when your finger moves away from the touchscreen, scrolling stops immediately.TouchUsing scrolling with a rebound effect, the content continues to scroll for a peri

Events such as Onclick,onlongclick,onfling,onscroll in Android are made up of multiple Ontouch events, and a complete touchscreen event must contain 1 Action_down (pressed), multiple action_ Move, 1 action_up (release), touch event distribution is the process by which these events rotate between viewgroup and view.1, ViewGroup inheritance View,view contains Dispatchtouchevent and ontouchevent two and event distribution directly related to two methods,

of the keyboard, keys, or similar keyboard devices.* Ev_rel:-Used to describe a change in the value on a relative axis, for example: The mouse moves 5 units to the left.* Ev_abs:-Used to describe a change in values on a relative axis, such as a value describing the coordinates on a touchscreen.* Ev_msc:-Use this type to describe when you cannot match an existing type.* EV_SW:-Used to describe an input switch with two states.* Ev_led:-Used to control

In the Android4.0 source code comes with the launcher, the drag is controlled by the Dragcontroller.1, the basic process: The corresponding view in the detection of user action after the judgment, if you can trigger drag and drop, then set their own corresponding state, and then drag and drop the object's bitmap object, the current position, drag source, to drag the object and other information to Dragcontroller StartDrag method start dragging. Next, Draglayer's onintercepttoucheven

This address, reproduced please specify: http://blog.csdn.net/dearsq/article/details/51251009How Hardware WorksThe working principle of the touchscreen is to report the values of coordinate values, x-axis and y-axis. So the input subsystem is used in Linux to implement it.Specific hardware principles can refer to this article capacitive touch-screen hardware fundamentals.This paper mainly summarizes the driving principles and porting steps on Android

-webkit-overflow-scrolling:touch; /* When the finger is removed from the touchscreen, it will keep rolling for some time/-webkit-overflow-scrolling:auto; /* When the finger is removed from the touchscreen, the scroll stops immediately */Overflow:auto or scroll is not valid under iOS, you need to use the-webkit-overflow-scrolling propertyHowever, "This feature is non-standard, please try not to use it in a p

Use-webkit-overflow-scrollingproperty controls whether the element uses a scrolling rebound effect on the mobile device.valueautoWith normal scrolling, when your finger moves away from the touchscreen, scrolling stops immediately.touchUsing scrolling with a rebound effect, the content continues to scroll for a period of time as the finger moves away from the touchscreen. The speed of continued scrolling is

This article was reproduced from: http://blog.csdn.net/yuanzihui/article/details/52871652Common input escalation commands:Input text 1234 actually injected 1234 text into the interface, there is an input box, can obviously see the effectInput KeyEvent 4 Keyboard event, 4 for returnInput TAP 100 300 click on Touchscreen event, simulate click x=100 y = 300 positionInput swipe 100 300 500 300 touchscreen slide

device:# cat/proc/bus/input/devicesi:bus=0000 vendor=0000 product=0000 version=0000n:name= "Qtouch-touchscreen" P:phys=s: sysfs=/devices/virtual/input/input5u:uniq=h:handlers=event5b:ev=bb:key=400 0 4 0 0 0 0 0 0 0 0b:abs=2750000 11030003 " Qtouch-touchscreen "Not the death of the event several, say 1234567 is possible, look at your device."2. Touch parameter Data#探究原因的时候, by:#adb Shell getevent/dev/input/

=/usr/local/tslib/--host=arm-linux Ac_cv_func_malloc_0_nonnull=yes# make# make InstallThe package I downloaded does not have a configure file and needs to run autogen.sh before it can be generated. Run autogen.sh script, need "Autotools", namely autoconf, Automake, Libtool, install these three gadgets directly in the software centerAfter the installation is complete, there are three folders in the/usr/local/trolltech directory: Qt-4.6.3, QtEmbedded-4.6.3, Qtembedded-4.6.3-arm.6. TransplantFollow

/*************************************************************************** * Linux kernel module multi-file compilation * Statement: * This article is mainly recorded in the debug-driven phase, we may prefer to use the mode of module insertion * For driver debugging, which can greatly shorten the commissioning time. Before debugging gt9xx Touch also * is used this way, here is still recorded, convenient to find in the future. * 2016-2-2 Shenzhen Nanshan Ping Shan village Zengjianfeng *********

provided the instructions to build Grub2-efi-ia32. You'll notice they had to use the framebuffer, as there's a bug in VESA. Not everything is working yet. The touchscreen works fine, but Wi-Fi is broken, at least in Ubuntu 13.10.There ' s also a bit more information in Anandtech forums.I ' d assume can just take the latest Linux kernel, and successful boot it on Bay Trail devices (TBC), contrary to most ARM platforms.Brad Linder (liliputing) tried it

mode on both the laptop and the normal desktop Windows 8 should be able to detect whether the device that is running is a tablet with a touchscreen or a laptop or desktop without a touch screen. If the device does not have a touchscreen, Windows 8 should be able to default into desktop mode that looks like Windows 7. In addition, Windows 8 should also allow users to choose the default boot mode, choose W

design of the touchscreen is that it is the finger, which part of the screen is usually operated on. For example, a single handheld handshake, unless your finger days grow particularly long, you will normally use your thumb to click. Therefore, for mobile phones, for the touch of interactive design, the main target is the thumb. Because of the thumb, humans have the precise grasp ability, thus in the evolution to stand out, become intel