Android :: Has Trackball Event Ended?
May 28, 2009
I want to move an image around the screen according to the trackball movement. I am able to capture the movements using the onTrackballEvent method. But this is being called for very small float values (I believe for each rotation?) of the trackball.Now as X and Y positions of views should be integers when specifying with LayoutParams, it makes no sense to move the view with every rotation. Instead I want to move the view only after the user stops rotating the trackball.Is there any method by which we can get whether the user stopped using the trackball or not?
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Mar 18, 2009
I have tried all day to capture a trackball event in a View. Basically I want to use the trackball to move a Sprite in a 2D game left and right. The onTouchEvent works perfectly well in the View to move the Sprite with my finger but it would be nicer and cleaner to use the trackball.Can anyone provide me with a simple example that uses the trackball to move something in a View in a 2D type game world (not a menu or UI type of example)? Or can someone explain what I'm not doing. Thanks so much for any help you can give me.
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Jul 24, 2009
Can you please tell me how can I simulate a TrackBall Event in emulator? I just the left/right black button in the middle of the emulator, but i set break point in dispatchKeyEvent() and dispatchTrackBallEvent() of the View.java. But only dispatchKeyEvent() breakpoint get activated. I want to see 'dispatchTrackBallEvent' get breaks. Can you please tell me how to simulate a TrackBall Event?
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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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Nov 19, 2009
I am kind of new to the Hero community came from palm pre, is there a setting for the trackball to light up when i get or miss calls, MMS, gchat? If yes where do I go to enable it.
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Jan 18, 2010
I am using the onScroll method of GestureDetector.SimpleOnGestureListener to scroll a large bitmap on a canvas. When the scroll has ended I want to redraw the bitmap in case the user wants to scroll further ... off the edge of the bitmap, but I can't see how to detect when the scroll has ended (the user has lifted his finger from the screen). e2.getAction() always seems to return the value 2 so that is no help.
e2.getPressure seems to return fairly constant values (around 0.25) until the final onScroll call when the pressure seems to fall to about 0.13. I suppose I could detect this reduction in pressure, but this will be far from foolproof.
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Aug 19, 2010
I have this task: "recognize dropped calls, and get information about cause of the drop". Use these. For example: If in a phone call the called partner presses the red end call button, the Call Control sends the following message to me: " Cause No.17 "user busy" " (3GPP 24.008). So, I would like to read cause codes ( exit codes in Symbian) when the call is ended. I can use Java or C++ (JNI).
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Jan 12, 2010
What's the app that changes the default end call behavior? I believe it gave multiple options beyond defaulting to the call log, as I frequently misdial after ending a call.
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Aug 17, 2009
If I submit my app to ADC 2, can I then submit an updated version later, e.g. after the 1. round ended?
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Sep 18, 2010
I just downloaded this version of Swype maybe two (three?) weeks ago on my 2.2 Froyo Evo phone. After experiencing Swype I would NEVER go back to the old keyboard. Unfortunately, today, I was told my trial version has expired. Now I can only use the Swype keyboard ,but can't 'swype'.
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Apr 12, 2009
I use onLongClick and onClick events of a button to get user inputs. Whenever; the user long click and triggers onLongClick event, the onClick event is also triggered. I couldn't find my problem. The code of two methods are shown in below: Code...
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Feb 27, 2012
I am currently calling the dialer from within my activity using the following code
"Intent dialIntent = new Intent(Intent.ACTION_DIAL);
startActivity(dialIntent);"
is it possible to return to my activity once the call has ended? When the dialer is shown, i want to block the home button, back button etc. so that user cant go anywhere.. is this possible??
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Dec 31, 2009
My sprint hero makes a vary annoying beep whenever a call is ended.
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Oct 24, 2012
Any way to stop my phone from opening the recent calls list after I receive a call? I call be listening to music take an incoming call then after the other party hangs up my phone opens the recent call list. I would like it to just got back to what ever I had open at the time of the call, like the music app.
I has a Galaxy Nexus(toro) running CM10 nighties.
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Dec 15, 2009
I hope there is a way to resolve this or bye bye hero.
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Oct 14, 2010
I don't remember my DroidX always doing this, but recently after I hang-up from a call it shows the "Call Time XX:XX" in the center of the screen and I can't do anything until it goes away, which is generally 5-8 seconds. Hitting Home, Back, etc does nothing and tapping on the screen or the message also does nothing.Is this a setting I can disable? I can look at the recent calls to get the length of call if I need to see it, so I don't need the dramatic pause to give me this info.
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Dec 17, 2009
I see that there is a led notification and i was wondering if there is a trackball notification for the HTC Hero? Without Rooting the phone.
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Sep 8, 2010
My application requires users to hold down the trackball in order to access an advanced menu.Not all phones have a trackball, however, so I need to remove this requirement for such phones.Is there a way to detect if the phone has a trackball?
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Aug 17, 2010
Possible Duplicate:
Disable trackball click in Android
How can I disable the trackball in my app? I only want the buttons to work when you click them using the touchscreen.
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Jul 15, 2010
can i use trackball to move around buttons?then if i am on the button, can I change the background of the button just like highlight?
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Oct 28, 2010
I want to move the image left right,down,up directions according to track ball.
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May 10, 2010
I have different elements in my layout: Buttons, RadioButtons, EditText, a ListView and I have made a RelativeLayout that is clickable and starts a new intent. Everything works ok except that I can't select that element with the trackball. Is there any way to achieve this?
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Nov 4, 2010
Is there a way to programmatically deselect/wipe whatever the user has selected with the trackball/trackpad When I hit the back button on an Activity, the Activity it falls back to has a button that is selected as if the user had used the trackball/pad. I'm not sure what is selected on the previous Activity, but obviously something is. I'd like to programmatically wipe any selection just before the Activity finishes.
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Oct 29, 2010
I'm kind of new in android AOSP development, and I'm trying to click to the trackball and launch an app already installed (Camera App). I'm looking at the policy.androdoid, but i just doesn't understand how to gain controls of the hardware buttons and where to start.
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Aug 14, 2009
I have a HTC Magic and just love the glowing trackball if you have missed a call. So i wanted to use the trackball light in my own android apps, but i can not find anything on how to make it glow. Does anyone know how to turn the light of the trackball on and of?
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Jan 9, 2010
I'm trying to figure out how to continuously update the coordinates of the trackball. Right now, I just want to write the values on change to TextViews to understand how it works.
I've been looking at the onTrackballEvent. Right now, I assume that each event passed as an argument to it should be seen as a complete event, that is from the start of the trackball movement to the end. Is this correct? Because if so, the values of x and y will be the same during the execution of the onTrackballEvent body. If this would NOT be the case, I could just use a timer and update the values at a regular interval..
So either I have to somehow interrupt the onTrackballEvent call and write the values, repeatedly over and over again while it is still moving, which seems weird, or...well this is pretty much were my Google search skills and Android knowledge comes to a halt.
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Oct 18, 2010
Is there a way I can make the LED or trackball pulse while my application is running and the screen is on? The same behavior as when a phone call is received for instance?
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May 13, 2010
How can I control the trackball light in a nexus one ? I found something with NotificationManager but the samples do not work for me.
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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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Jun 10, 2009
I've run into an issue where performing a lot of touch events seem to block the move events from the trackball. Anyone else run into this issues? I can't use the Thread.sleep() fix because that will obviously stop all input, so I'm hoping someone has been able to throttle the touch command without effecting the move ones.
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