best assistive touch for android

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

Apple's touch icon is relatively familiar to us, is Apple in order to support the Web application (or the Web page) to add to the desktop needs of the icon, with these touch icon of the Web links more and native application more similar. Because the Apple equipment ipod,iphone,ipad and so on a wide range of devices, many Web pages have provided the touch icon res

Android View touch event Transfer Mechanism PS: from the current perspective, you may feel bad about the previous blogs. You may feel the same if you look at the current blog for a while. So I learned to discover and understand new things every moment.Introduction Because the quality of a previously written blog about the sequence of Android event transfer is too

Android development-touch Event Processing MechanismAndroid touch message transmission mechanismEach user touch (onClick, onLongClick, onScroll, etc .) it is composed of one ACTION_DOWN + n ACTION_MOVE + 1 ACTION_UP. A user must first have an ACTION_DOWN response when touching the user, and there must be an ACTION_UP w

In Android, the message delivery control is mainly through two methods to work together to the user's touch message distribution, the following to see these two methods; Onintercepttouchevent: This method is defined in ViewGroup, as the name implies, this method is used for ViewGroup interception (intercept) touch messages; Ontouchevent: This method

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 will have a follow-up event, which may be: Act

touch event is not consumed and needs to be passed to other child view processing. If all sub-view does not consume this touch event, and finally the touch event is handled by the ontouchevent of the activity.A full touch event consists of down, move, and up.What is worth noting here is that the activity distribution

the action.intindex = Motioneventcompat.getactionindex (event);intXPos =-1;intYPos =-1; LOG.D (Debug_tag,"The action is"+ actiontostring (action));if(Event.getpointercount () >1) {LOG.D (Debug_tag,"Multitouch Event");//The coordinates of the current screens contact, relative to //The responding View or Activity. XPos = (int) Motioneventcompat.getx (event, index); YPos = (int) Motioneventcompat.gety (event, index);}Else{//Single Touch eventLOG.D (D

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

Mastering the Android Touch event mechanismDavesmith@devunwiredPoints coveredL Touch System OverviewL framwork layer of touch events• Handling of touch eventsL System-provided touchhandlersL System-provided gesturehandlersHow does the An