Multitouch is a technology that allows a computer user to control the graphic interface through multiple fingers at the same time. Compared with the multi-touch technology, the single-touch device has been in touch for many years, and Small-sized mobile phones have been in touch, the most common big-sized ATM machines
Touch event TouchEvent is triggered when our fingers are clicked or slid on the Android screen. In the app, ViewGroup and view exist in multiple levels of nesting, in the outermost is activity, the most inner view, between activity and view is some viewgroup. To simplify the discussion, we assume that there is only one viewgroup in an activity, and that there is
, probably can store 2,621,440 Chinese characters, if it is an English letter or a number can store 5,242,880, this size completely Enough.The third type: WebsqlLook at the name to know, Websql is a web-side database, ie9~ie9+, Chrome, Firefox, Opera, Safari. The difference between Websql and Localstorage is that websql can build multiple tables, each of which equates to a localstorage, and it is clear that the size of the stored data is far greater than localstorage, but the complexity is much
about Swiper
Original address: http://www.swiper.com.cn/Swiper is a free and lightweight JS framework for mobile device touch sliders that uses hardware to accelerate transitions (if the device supports them). Mainly used in mobile-side web sites, mobile Web apps,native apps and hybrid apps. Designed primarily for iOS, while also having a good user experience with Android and WP8 Systems, Swiper no longer
XBMC 13 official release, new features include Android hardware decoding, improved raspberry and Android performance, stereo 3D rendering, improved touch-screen support, enhanced UPnP, dramatic audio engine enhancements, setting up, searchable subtitles, and more, see Release notes.
XBMC's full name is Xbox Media Cent
TouchEvent touch event mechanism in Android
When our Fingers click or slide on the Android screen, the touch event TouchEvent is triggered. In the App, ViewGroup and View have multi-level nesting. In the outermost layer, there are Activity and inner View, some viewgroups bet
This article with you in-depth learning touch event distribution, the specific contents are as follows1. Touch action and event sequence
(1) The action of touching the event
Touch action A total of three kinds: Action_down, Action_move, action_up. When the user's finger touches the screen, it produces an action for t
Android custom control Series 10: handles touch event distribution by adding custom la S, and responds to events in specific directions by using specific controls in the combination interface. android Custom Controls
This example is quite useful. It can be basically said that after writing this time, you can take it directly in many cases.AddViewAnd thenAddInterc
In this example, a simple Integer Calculator applies multi-touch operations: One Touch operation is addition operations, two touch operations are subtraction operations, three touch operations are multiplication operations, and four touch operations are Division operations.
In Android, multi-touch is a very interesting technology. multi-touch can make your game more playable. First, let's talk about how to implement multi-touch.
Event. getaction () // obtain touch actions such as action_down
Event. getpointercount (); // obtain the number o
I visited the Forum and accidentally saw a very good post, which is reproduced as follows:
Opening Speech: Recently, the program has made a small effect, and it needs to use touch. As a result, it is completely confused in the cloud. It just takes a good look at the android touch mechanism ..
Each subclass of viewgroup in An
In the last article I took you all together to achieve the effect of the Android waterfall flow photo wall, although this effect is very cool, but in fact, it is only a semi-finished product, because all the pictures in the wall of the picture is can not point. Therefore, in this article, we have to improve this function, add click on the image to be able to browse the large image of the function, and in the larger view of the image can also be a mult
negative, then the content moves in the positive direction, positive numbers move in the negative direction).(4), Scroller.(5), property animation.(6), Viewdraghelper(7), offsetleftandright () offset both left and right.Offsettopandbottom () offsets both up and down.7, independent pixel DP and PX conversion:The Android system uses MDPI, a screen with a density value of 160 as the standard, on this
In actual development, the most commonly used multi-touch technology is the zoom-in and zoom-out function. For example, some image browsers can use multiple fingers to zoom in or out the images on the screen. For example, Some browsers can also zoom in or out the font by multi-touch. In fact, amplification and reduction are only one of the practical application e
In the previous article, we analyzed the source code of View. onTouchEvent and found the processing principle of click and long-press events. But what if the custom control requires other gestures? If you need to determine a rolling event, the code you learned earlier cannot help, currently, you can also determine by yourself based on ACTOIN and the current Touch Location (if you want to customize rolling events, you can refer to the source code of Li
Multi-Touch (MultiTouch) refers to a technique that allows a computer user to control a graphical interface through multiple fingers at the same time. and multi-touch technology is a single touch, single touch device has been for many years, small size of the touch-type mobi
Multi-touch operation of intelligent terminal Equipment brings us all kinds of cool experience, which also makes many Android developers interested in the development of multi-touch programs. In fact, the implementation of multi-touch programs is not so remote, but relatively easy. This article mainly through an exampl
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.