Android :: How Can I Check Left And Right Motion In OnTouchEvent?
Jul 7, 2009
i need left, right motion event and a click event . problem is that, if i have onclickEvent then onTouchEvent doesn't fire. onTouchEvent works only if i disable onclickEvent and also it doesn't work what i expect.
1-only ACTION_MOVE fires twice everytime when i move on screen.
2-can't get left and right motion.
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Jul 1, 2010
I am developing one application in which there is an imageview...in which i want to move left or right using mouse touch...for that i found "android.view.MotionEvent" but in MotionEvent there are few events among that ACTION_CANCEL 2. ACTION_DOWN 3. ACTION_UP ......etc.
Hence there is no such event for "LEFT" and "RIGHT" action....so is there any other way to implement the "LEFT" and "RIGHT" move ?
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Apr 29, 2010
After dl an app how do i get rid of check marks on top left corner?
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May 24, 2010
I have a ViewFlipper which contains a few linear layouts.I need to allow the user to flip through them.I've seen other apps which have arrow/triangle indicators on either side of the screen, which, when pressed, flips to the next view in the set.
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May 16, 2010
I love the phone, but the other day the unlock slider suddenly changed from left-right to right-left, and I'm right handed. How do I change it back ?
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Jan 12, 2010
I've been pulling my hair out trying to achieve smooth scrolling in an OpenGL-based app on Eclair. It seems that no matter what I do, I cannot get more than 36 events per second (the rest is sent in history data which is useless in my case). This happens on both the emulator and the Motorola Milestone.Is this a hardcoded limit or am I doing something wrong? I'm implementing onTouchEvent on the activity and recording how many events are received per second and then send that info through Log.v to Eclipse. I also tried implementing onTouchEvent on the view instead of the activity and the results are the same.
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Aug 31, 2010
I found a video on youtube where u can have the dpad in the bottom left corner when your holding your evo horizontal. Can I move the dpad from the top left to the bottom left? if so how?
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Jan 26, 2010
I want to catch any onTouchEvent() on the mapview. After search lots of questions&answers, I found only when I write my own MapView(MyMapView)and define onTouchEvent, then use this MyMapView in main activity.
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Aug 5, 2010
I am making an user interface and i want to drag any one of them.how can i with ontouchevent.
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Mar 26, 2010
I am stuck in a situation,where I have onClick() method & onTouchEvent method. The situation is the my onTouchEvent is handling the fling gestures (like left,right), after each fling i am changing the Layout & presenting new one for the user. On each layout i have some buttons & they have the onClick() set. Now when i do the gesture nothing happens & sometimes the onClick gets called. how i can make these two methods to work correctly?
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Apr 27, 2009
I've got a problem with a flood of touch events destroying my game's framerate while there is a touch active. Basically onTouchEvent is called (with getAction = ACTION_MOVE, x = 0 and y = 0) about a hundred times a second for as long as the finger is touching the screen. I've tried returning from onTouchEvent straight away, and even removing its implementation at all, but it doesn't help - the app slows to a crawl as soon as a finger is down. I asked on the IRC channel and Romain Guy advised me that they're aware of the problem but didn't have time to fix it for Cupcake, so I'm not expecting a full solution!
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Dec 16, 2009
I have several complaints from Moto DROID users who experience lags while touching. In my app I implement the recommended workaround with two threads and Thread.Sleep( 35 ) . It worked and works perfectly on my G1 and on some other Google devices. But for DROID I hear many complaints. As I don't have a DROID, could someone please tell me if there is still a need for this workaround? Or shall I have to do anything else?
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Jul 27, 2010
I've got an onTouchEvent boolean on a Surfaceview, I've got openGL objects drawn on the view and I'm wondering is there anyway to detect where on the screen the onTouch happened? e.g (x,y) co-ordinates.
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Nov 13, 2010
I'm making an application which will utilize both touchevents and sensorevents. The problem with touchevents is that they fire off very often, and thereby consumes massive amounts of CPU time. The common solution is to do a Thread.sleep to make it cool down.However, if one wants to use both the onTouchEvent and onSensorChanged in the same activity, applying the Thread.sleep hack will also slow down onSensorChanged. This is obviously caused by the two methods being called from the same (ui) thread.Is there some way to call onTouchEvent from a different thread than the ui, so one could do the Thread.sleep trick without slowing down onSensorChanged as well?
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Nov 19, 2010
I'm adding 5 ImageView to an linear layout at runtime, so far so good, but what i would like to do is, when the user slide his finger over one of them, i would like to change the image, so my question would be, how can i know what's the current imageview under the user finger.?
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Oct 15, 2010
How can I drag a marker on the map?
How to handle it in onTouchEvent()?
I had written one code that actually drags. But it feels like the map is moving instead of the marker. That code is...
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Feb 3, 2009
Does anybody have any idea why I get often(but not always) error during the on touch event? Handling touch events is freezed for few seconds(this appears only immediately after application start). Then Error screen appears (choose wait of close). When I choose wait after few seconds screen is starting to process events. I'm using surfaceView with thread for painting. In logcat I get something like : "No window to dispatch pointer action 1".
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Dec 29, 2009
what is best way to create app in which I only need to draw simple lines through onTouchEvent? When i use invalidate everytime i draw any line, that erase lines i draw before. But if I use some List structure to store drawed lines it lose performance. Is there any simple way to do it?
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Jan 12, 2010
I'm trying to do something in my app where you have to hold your finger on the screen for more than 30 seconds. After about 30 seconds, it stops sending onTouchEvents for that part of the screen, almost like a "dead zone." Tested on a motorola droid, and is there any way to stop this from happening?
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May 21, 2009
I've got the following row xml file which consists of CheckboxView and TextView;
CODE:............
When the app run, i'm unable to "tick" any of the check boxes...
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Oct 20, 2010
I need to specify the full button images for both the up and down positions. My impression is that the most probable choice is to use an custom button based on the ImageView and specify the image for up and down positions. I am using the OnTouchEvent method to capture the ACTION_DOWN, but I'm not getting the ACTION_UP event.
Is there a better choice for creating a button that controls the full button image, catches the Down/Up and can subdivide the down time into time slices? If not, how do I catch the up event.
My application expects a screen touch on the "button" and not a keyboard action.
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Sep 8, 2010
when i go to the home page the ball always pulls to the left and wont let me move any other way besides left. its giveing me alot of problems txting and just moveing around my phone.
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Sep 30, 2010
Battery Left was the first thing I installed on my phone when I got it. My battery life has been terrible so I've been trying to track down the problem. I woke up today, unplugged my phone and didn't touch it for an hour. Battery Left says I have 70 percent left but the battery meter in the status bar showed full. I uninstalled battery left and installed Battstatt and it shows 90 percent (2 hours later). Anyone else have problems with battery left? I hope this fixes my battery problem.
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Sep 9, 2010
I just got an android, and I love it. But I was wondering if there is an app where it records video, but it automatically starts recording when there is motion, and stops when the motion goes away. I believe its possible, just wondering if is been done.
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Sep 30, 2010
I am looking for an app for my Incredible that records video at a higher frame rate, then will play back at regular speed so that the video plays in slo-mo. My old LG Dare had this, and i used it quite often. ANyone know of any app out there that will do this? I have searched the forum, and the market, and cannot find what i am after.
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Apr 20, 2009
In my app, users can paint with their finger a path. An image should move on this path through the view (it's not a straight path. The path has waves). In flash, you call this motion tween. Is there a way for android? How can I implement this?
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Jun 6, 2010
Is this possible? How do i do it? I want to learn but dont know where to begin even
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Mar 30, 2009
suppose i have two 'main' subtrees ov Views in my Activity View. now under some circumstances i want only one subtree to receive touch/ key events. is it possible with one/two calls or i have to recursively disable every View in subtree which is to be disabled from getting touch/key events?
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Jun 1, 2010
I would like to detect when the phone is in motion, but not all kind of motion. For example picking up or waving the phone should not trigger. I would like ideally to run a code when the phone/person is in > "walking" state. What options I have?
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May 27, 2010
I've been reading through the docs, and I cannot figure out how to cancel a "drag" on a Seekbar once the bar has been completed.
For example, when I drag the bar to the end, I want an event to happen. However, if I keep my finger on the screen and drag my finger past the SeekBar, it keeps firing off that event even after I reset the progress of the Seekbar. How can I prevent this action from happening?
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