![]() Feel free to leave comments/suggestions there. Use menu button if you want to clear the screen. It registers 5 touches on Samsung Galaxy S and 10 touches on Samsung Galaxy S II (see screen shots from my Galaxy S II - great device by the way :-) ).Ĭheck out new Paint Mode and have a lot of fun. Don't blame me or my app if your device supports double touch only, please. ![]() This application is able to handle UNLIMITED (umlimited here mean no more than allowed by operating system) number of simultaneous touch events. Unfortunately due to limits set by the manufacturers there are no devices (known by me) which can handle more than 10 simultaneous touch events (Samsung Galaxy S II, I'm not sure about the tablets). Run the application and choose a running android device and install the application on it and verify the results. Modify the res/layout/activitymain to add respective XML components. Both these methods will work for single or multi touch hence they are the 'safest'. Private static final int MAX_POINTERS = 10 To extract the pointer index you have the equivalent getActionIndex helper method. The previous chapter introduced the mechanism by which a touch. Maybe a new set of eyes can help me tell what's wrong? Thanks for any help! Most Android based devices use a touch screen as the primary interface between user and device. This lesson describes how to detect gestures that involve. Because it is a pipeline system, I have the events encapsulated in the InputObject which is somewhat similar to Robert Greene's. A multi-touch gesture is when multiple pointers (fingers) touch the screen at the same time. Test how many fingers the device can detect at the same time. Step 3: ViewGroup dispatchTouchEvent will trigger the ViewGroup onInterceptTouchEvent first and if that method chooses not to intercept, the touch event, then it is sent to the child by triggering the. Draws dots on the screen that move along as you touch the screen. Step 2: If the activity chooses not to consume the event (and starts propagation), the event is passed to the ViewGroup dispatchTouchEvent. ![]() Here's my current code in my thread which receives the input events from Android. A simple app that lets you test the multi-touch capabilities of your device's display. Is this just an issue with how I am reacting to the events? Should I handle POINTER_DOWN and DOWN separately? Or should I detect which pointers are moving after the "UP" action to see which ones really are down despite what Android says? Android Displays Digital Signage Display Refee 10 13 15 19 22 24 32 43 55 Inch Tablet Android Touch Screen Poe Wall Mount 4K Advertising Monitor Digital Displays 130.00-160.00 / Piece 1 Piece (Min. I had a single touch movement system before and none of these problems happened. When the pointer comes down on the area (which right now is just simply the lower left region), Android will send multiple "UP" and "DOWN" actions even though the pointer remains down the whole time. This also happens with button presses like the shooting button. Because my code believes the pointer is up, the game doesn't respond to it. When recording the pointer actions in LogCat, oftentimes Android will send an "UP" action when the pointer remains down, or just before a number of "MOVE" actions by the pointer. This seems like it should work well in practice, but in game it behaves very erratic. Each pointer's state is kept in a Pointer class, which is just a simple encapsulation of whether it is down, and it's coordinates. Right now, the code has a simple system that records which pointer ID is currently doing which action (right now just shooting and moving). That is why it doesnt detect the single finger. It makes use of Robert Greene's Input Pipeline, modified for use with multitouch. If I understand correctly, single touch will not cause ACTIONPOINTERUP, but ACTIONUP. When more than one finger touches the screen multi-touch gesture happens and android provide various apis to handle. After a lot of tinkering, I think I've finally come up with a good multitouch handling system for my android game. Multi-Touch in android was available since Android 2.0.
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