sencha touch

For more information about the touch event Learning Series, see: Android Touch event Learning Series Summary Return to the parameter MotionEvent class passed by the onTouchEvent method. The object has four methods to obtain the location information of the current finger on the screen, but one is relative address and the other is absolute address, see the differences below. 1. Differences between Android

In the darts game, the red heart is very difficult to hit, because the red heart is the smallest target on the whole dart plate. Similarly, how do we set the "target" size for a touch device? Small buttons are more difficult to manipulate than large buttons. When designing a mobile interface, it is best to enlarge the size of the clickable target, which is more beneficial for the user to click. But how much "big" does it take to make it easier for mo

Multi-Touch (multi-touch) is the process by which people interact with applications through contact with touch-screen devices. For example, touch-screen phones, touchscreen notebooks, displays, and Microsoft's newest surface products, which are often used in life, are touch-

ya, finally found JS on the tablet computer event!!! JS event on iphone, ipod Touch, ipad touch screen1. Introduction to Touch EventsThe Web page mouse on the PC generates onmousedown, onmouseup, onmouseout, onmouseover, onmousemove events, but on mobile devices such as iphone, ipod Touch,The Ontouchstart, Ontouchmove,

First on the instance code:html lang="en">head> meta charset="UTF-8"> meta name="viewport" content="Width=device-width, initial-scale=1.0 "> title>Touchtitle> style type="Text/css"> Body{ height: %; margin: 0; padding: 0; } #canvas{ position: relative; width: %; Height: + px; } . Spirit {/ * box's class name */position: absolute; width: px; height: px; background-color: red; }

the responder object (usually a UIView object) in the application that is currently responsible for receiving touch events . the UIWindow object sends the event as a message to the first responder, giving it an opportunity to handle the event first. If the first responder does not process, the system passes the event (through the message) to the next responder in the responder chain to see if it can be processed. The responder chain is a series of

We often involve development in the iPhone by touching your own buttons or views. For example, the following three pictures: Touch your finger to move the gray button on the screen: The following describes how to achieve this effect: 1. First, we define a button. mybutton inherits from uibutton. # Import Note: (1). cgpoint is only a struct that typdef has passed. It is a value type and cannot add stars (*) struct CGPoint { CGFloat x; CGFloat y

Small Program gesture operation: single touch point and multi-touch point, small program gesture Preface Gestures are important for some effects. They are widely used in canvas and interaction. Let's take a look at the small program gestures. Demo To check whether the applet supports multiple fingers, you need to use touchstart, touchmove, and touchend. // index.wxml //index.jstouchstartFn: function(event){

1. Introduction to Touch EventsThe Web page mouse on the PC generates onmousedown, onmouseup, onmouseout, onmouseover, onmousemove events, but on mobile devices such as iphone, ipod Touch, The Ontouchstart, Ontouchmove, Ontouchend, Ontouchcancel events are generated when the Web page on the ipad touches the screen, corresponding to the touch screen start, drag an

Use Ubuntu Touch Emulator to experience Ubuntu Touch [multiple images] This notebook has been put on hold for a long time. On the one hand, the download speed of Ubuntu touch images is too slow, and on the other hand, some of the knowledge has not yet been rushed to get started. Today, I updated my image and found that the speed is nearly 160 KB. This allows you

In a couple of weeks, we've covered a lot about the new office Web Apps, not only to achieve a unified operational experience on different devices, but to focus today on the touch operation above the safari two browser on Windows 8 's IE and iOS touch devices. Let the touch become more confident The mouse can make the button click More accurate, the physical

Apple Safari browser apple-touch-icon-precomposed and Apple-touch-icon attributes are different, before the online search for the relevant information and Apple's development documentation manual, the two attributes of the difference is not enough detailed, This has led to some confusion at the moment of development.These two properties defined by Apple Safari are for Apple mobile devices (ipod, ipad, iphon

Touch event-drag view, touch and drag viewCase: Drag imageView, view1, and view2 by touch events Note: 1. imgeview does not respond to touch events by default. 2. view has three subviews. How to differentiate multiple views? Connect two views with one imageView and one IBOutlet on the storyBoard. Case image: [upload la

Before we did a lot of touch screen effects, then, today, we will analyze the next JS touch screen principle. In fact, we Baidu a bit JS touch can basically find this article "Fingertip js--multi-touch web front-end development one: for touch processing", I think this articl

Multi-Touch has already entered the market, it is not Microsoft's new technology, such as on the iphone, but it is the first time on the desktop system Windows 7 using Multi-Touch technology. Hewlett-Packard before the relevant tablet computer, although can touch, but only a little, the system can only use Vista, it can not support multi-

Html5 touch event: sliding up and down a touch screen page (2), html5touch In the previous article, simple sliding was implemented using the html5 touch event to achieve continuous page sliding up and down. refer to the previous article and the code html5 touch event to achieve the sliding of the

When timthumb. php is used, the following error occurs: Warning: touch () [function. touch]: Utime failed: Permission denied in.Let's take a look at the touch () function example.The touch () function sets the access and modification time of the specified file.Touch (filename, time, atime)Example The code is as fo

Gesture and touch, gesture touch UIImageView * imgView = [[UIImageView alloc] initWithFrame: CGRectMake (100,100, 75, 75)]; ImgView. image = [UIImage imageNamed: @ "a"]; ImgView. tag= 200; [Self. view addSubview: imgView]; // Set to allow touch and gesture execution ImgView. userInteractionEnabled = YES; // Create a click gesture UITapGestureRecognizer * tap =

Interception of touch events and interception of touch eventsCase: Three stacked images respond to the gesture of the corresponding view through event interception in the overlapping part. Uiview does not accept three cases of event processing: Note: For a view created through storyBoard or xib, The initwithFrame method will not be executed. You need to use-(void) awakeFromNib;Instantiate a view of three co

Linux touch screen (4)-multi-touch 4.1 Overview The driver supports the it7260 touch screen controller, which supports up to three touch points and has been tested on CPU: s5pc110, linux-2.6.32.9, Android-2.2. I thought it could be done in three days, but it took a week to finish it. Level limited, there may be some bu