Android :: Trackball Doesn't Give Me Click Events / But Touch Screen Does
Mar 5, 2009
I have a list activity that creates a header row above the data rows from the adapter. I want to receive click events when the user selects the header or a data row (but my data rows have check boxes in them, so this part is tricky). When I use the touch screen, I get this expected behavior:
1. Tapping on any row causes a click event and a dialog appears.
2. Long-pressing on a data row causes a context menu to appear.
3. Long-pressing on the header row does *not* show the context menu.
However, when I use the arrow keys (emulator) or trackball (G1), I get this unexpected behavior:
1. Selecting any row fails to cause any click events, even though the row's appearance changes like it's being clicked.
2. Long-pressing on the header row *does* show the context menu, which I don't want.
3. Occasionally, it doesn't focus the correct row when I move up or down (e.g. it skips from the header to the last data row).
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Jun 11, 2009
We encountered a strange problem in Browser. When browsing certain web page with CGI form, browser doesnt respond to trackball click event unless we play around the UI ormove cursor around or switch between application. However, tocuh screen works all the time. I can't give an example of problem making web site yet. Just wodering is it an isolated case to me.
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Sep 4, 2010
I am using a couple of ListView elements in my app. In all cases, it doesn't highlight the selected item when I click/touch it, but I can use the trackball to scroll up and down, and can see the orange highlighted color then. How do I fix this? one of them is a LinearLayout with two TextViews in it.
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Jul 24, 2009
I want to listen for the touch events from Lock Screen and Home Screen, is there any way i can tap those to my applications.
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Sep 8, 2010
I start monkey like this:
monkey -p <MY PACKAGE> --port 4321
(I have already done a tcp port forwarding).
I then use PuTTY to telnet to 127.0.0.1:4321
I can issue a command like tap 100 100 I get a response OK but I see nothing happening on the UI. I have placed a button at that location but I does not receive the touch event.
When I run monkey like this
monkey -p <MY PACKAGE> --pct-touch 100 -v 10
I see touch events being dispatched to the screen.
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Sep 9, 2010
I have a widget and I would like to detect position where user click on some part of the widget's bitmap. I didn't found any way how to detect coordinates of the touch on RemoteViews.Is anybody aware of some trick how to detect it. Only idea I have is create layout with grid of transparent buttons, put by widget's bitmap as background of such a layout and to every button set PendingIntent.
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Jan 6, 2010
I have been racking my brain to try to figure out what is going wrong here. I wanted to experiment with multi-touch, so I decided to add the controls for LunarLander to the touchscreen.
Instead of adding buttons, I defined regions on the screen that when touched, would act like the buttons on the keyboard (for example, the gas fires as long as you press the screen in the area defined for the gas button, and stops firing when you release.)
To do this, I added the onTouchEvent override to the LunarView class as follows:
CODE:.....................
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Nov 17, 2010
Double click zooms in but doesn't fit the screen. I'm running fans revolution apex
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Jun 24, 2010
Is there any DOM event in Webkit associated to trackball events (movement and pressing)?
Or is there any other way to handle those events from a webpage?
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Jul 13, 2010
my touch screen doesn't work or work sometimes on the different place where i touch.I remove the protection from the screen and make a reset to the fabric settings but problem is still here.Early i can make a calibration but now i can't do this.Problem is worest every next hour.Now is a problem also to unlock the phone,i do this once in ten or more times.
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Aug 6, 2010
I've run into some difficulties with implementing a custom progress dialog. Even though an overlay intercepts touch events the user can still operate the trackball and click elements that are supposed to be disabled.
Is there any way around this?
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Apr 5, 2014
I have a xi electronics chinese crappy tablet, it came pre rooted. So I changed he cpu governor and I pressed apply, after that it stuck , and I needed to reboot using power and vol -It booted up but now my TouchScreen doesnt respond on my touches!, I have already tried factory reset using adb , didn't work.
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Jul 15, 2010
Has anyone else noticed this? With the phone laying on a table/counter/couch, the touchscreen normally doesn't respond at all. When it does, it's very glitchy, and pretty useless for anything that requires a swipe (like navigating home screens). I've tried all sorts of combinations of what finger I use, angle, and pressure, but it seems like as soon as I pick up the phone and do the same thing I was doing, it works fine. Just me or no?
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May 24, 2012
I'm using Samsung Galaxy S Plus (I9001).Whenever I connect it to my notebook for charging the touch screen starts acting weird either not responding or responding with lag.I have tried other notebooks, PCs and another USB cables but still problem is there.I also have tried other ROM.
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Jul 17, 2013
I dropped my phone and the screen won't turn on and doesn't respond to touch.The insurance company is picking it up tomorrow (*hence the urgency) and would like to get some stuff off it. Most stuff is on my exsd, so I'm not too worried if I have to wipe it, but would prefer only to wipe it once everything is off. I'm rooted and have a custom stock based rom and cwm installed.
Is there any way of doing this? I have the lock pattern enabled so when I plug it in nothing shows up.
If not, then how would I wipe it?
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Sep 8, 2013
I was in the pool when I dropped my phone in it. It was only submerged for about 2 seconds. I was at a friends and they didn't have white rice so i had to put it in brown rice-- all day. Then today I put the battery in it and it acting the same, everything works but when I touch the screen it doesn't do anything. It has now been in a air tight sealed bag full of white rice for about 3 hours... It still doesn't work.. I have college tomorrow and I need my phone...
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Oct 5, 2010
So I am trying to root my phone and the trackball will not click. Knowing there is a known issue with the trackball, I go to VZW and they send me a new one, except that one has touch screen issues. Is there any way to get the trackball to click again? Tried basic troubleshooting, cleaned it etc.
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Mar 11, 2010
Got a sprint hero yesterday, with google branding. Trackball has no audible click. Is it supposed to?
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Jul 3, 2013
I have noticed that after the last update, my touch screen doesn't work for a few seconds on random occasions and then works again after about 3 or 4 seconds. when I'm reading a book and they're about to reveal the mystery or enthusiastically playing a game and it stops working, I get increasingly frustrated that I can't turn the page or that I lost the game because during the last few seconds my touchscreen decided to temporarily stop working.. I just want to make sure there's not something wrong internally.
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Nov 12, 2010
The app I am working on is having this strange behavior - It works correctly for a while, but after some series of actions (that I'm not sure how to replicate) it does this - Does anybody recognize this scenario? Any ideas what might be wrong?
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May 9, 2010
There is a task to make smt like todo list on widget (with dinamic number of elements), how to organize this list for click support on this elements. I only found how add click event on one widget layout element (with setOnClickPendingIntent), and how send text to widget element TextView. But it's unclear how handle click events for sub-elemets, or how get click coordinates(or item) where was click event. I saw widget "Agenda widget" - and it work fine with clicking on different calendar rows.
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Oct 12, 2010
I created a custom dialog that extends Dialog. One button on that the dialog is an "OK" button which the user is expected to press when finished entering information in other fields. I cannot get any listeners set to that button to fire.
public class HeightDialog extends Dialog {
private Button okButton;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.heightdialog);
this.okButton = (Button)this.findViewById(R.id.userOkWithHeight);
this.okButton.setOnClickListener(new android.view.View.OnClickListener() {................
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Jul 21, 2009
Is it possible to programmatically send click events to a view? if so, how?
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Mar 2, 2010
I set an ImageButton's click listener via setOnClickListener(), but it doesn't respond to trackball clicks like a regular Button.
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May 27, 2010
My MMS txts are not working when I send them but I can receive them just fine. It doesn't even give a failure notice, they send off my phone just fine, the the other person never receives them. They used to send just fine, this just started a few days ago.
I use Hand Cent as my default messenger, but I've tried sending them from both applications and neither of them are working.....any ideas?
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Aug 22, 2012
Take an app I found on some tech site recommending the app "super download" It is an app that lets you download over 4g and wifi at the same time.
If you go to the play store website and search "super download," you get no results. its as if the app dont exist.
But heres a link to the app on google play: [URL]
My device is compatible with it, its not that.
I've seen this happen with the adobe flash program and a few others.
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May 31, 2009
I am writing a game using OPENGL, there are several 3D objects in my surface view. My question is: Should each 3D object implement view in order to get touch events? Or there is other way to do this?
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Nov 4, 2010
So awhile back I changed my google account password by logging onto my home computer. Now when I try and check emails from my captivate it says invalid user name or password. When I try to go to setting it doesn't giver me the option to change password for the phone. Has anyone else had this problem?
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Apr 27, 2009
I'm developing a game for Android. It's got a lot going on but is running reasonably smoothly. That is, of course, until the user touches the screen.While they're touching it, onTouchEvent is called (with action = ACTION_MOVE, x = 0 and y = 0) roughly once every ten milliseconds at what appears to be a fairly high priority, as it absolutely obliterates the framerate. As soon as the touch ends the framerate returns to its nice state.Has anyone encountered this? Is there a way to reduce the rate at which ACTION_MOVE events are generated, or to ensure that they're only generated when there is actual movement, or use a polling method that just gets the current location of the touch? Or even just a way to disable it entirely?
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Jul 19, 2010
New to android so please bare with me here
Is it possible to detect all touch events in an Activity and capture it and then in return pass that pass event to another View. For example:
Button 1 and Button 2. When Button 1 is pressed I want to capture that touch/click event and automatically pass that touch event to Button 2, basically with one touch/press you get the click generated and that same click is passed on to the second button automatically.
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