android touch screen tablet

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

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

Official address: http://developer.android.com/guide/practices/screens_support.htmlI. Recommendations on layout adaptation1, do not use absolute Layout 2, try to use match_parent instead of fill_parent. 3, can use the weight of the place as far as possible the use of weight (android:layout_weight) 4, if it is a solid color background, as far as possible using the shape of Android custom. 5. If you need to fit at a specific resolution, you can create a

finger to moveImplementation code:Myview.java Public class MyView extends View{ Public floatX = -; Public floatY = -;//Create brushesPaint paint =NewPaint (); Public MyView(Context Context,attributeset Set) {Super(Context,set); }@Override Public void OnDraw(Canvas canvas) {Super. OnDraw (canvas); Paint.setcolor (Color.Blue); Canvas.drawcircle (x, Y, -, paint); }@Override Public Boolean ontouchevent(Motionevent event) { This. X = Event.getx (); This. Y = Event.gety ()

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

1.http://blog.csdn.net/omg_2012/article/details/7881443This one's pretty good.2.http://blog.csdn.net/android_tutor/article/details/71930903.http://blog.csdn.net/heng615975867/article/details/87919374.http://www.dewen.org/q/2438/Action_mask is applied to multi-touch operations in Android, literally meaning the action mask.In Ontouchevent (Motionevent event), use switch (event.getaction ()) to handle Action_d

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

Events triggered by touching (touch) Android events: OnClick, onscroll,onfling, etc., are made up of many touch. The first state of touch is definitely action_down, which means that the screen is pressed. After that, the touch wi

": "", "rel": "Apple-touch-icon-precomposed", "href": "Http://www.qiyipic.com/20130423143600/fix/H5-0x0.png" }]We can handle the resulting JSON data as needed.Will Google improve?The answer is yes, and it has improved, but Google is not modifying the onreceivedtouchiconurl approach, but Google is pushing its own set of rules.On Chrome, Google adds an element that Google provides as a way to define metadata for a Web program.In the metadata

Transfer and processing of touch events of Android controls Understanding the touch event transfer and processing of Android controls is of great significance for us to resolve conflicts between custom controls and touch events in our daily development. The following methods

Original address: http://android.xsoftlab.net/training/gestures/multi.htmlMulti-touch refers to the case where multiple fingers touch the screen at the same time. This lesson focuses on how to detect multi-touch gestures.Record multiple touch pointsWhen the Dogan finger touc

The event types in android include button events and screen Touch events. Touch events are the basic events of screen Touch events, so it is necessary to have a deep understanding of them.A simple

Multi-touch in Android Development If you are interested in developing multi-touch programs, this article will be a good start. In Android Application Development, multi-touch is not so far away, it is easy to implement. Next, let's first understand the principle of multi-