General :: Flickering Objects When Scrolling
Jul 26, 2012
When scrolling a list, homescreens or whatever, the moving object shimmers against the background, especially if there's a high contrast and a sharp edge between them. The effect ranges from mild (stock 2.3.5 Samsung Galaxy S I, Cyanogen 7.2 LG GT540, stock 2.3.5 LG P920 that I have at home and tested) to noticeable (Dell Streak 5, all the ROMs I tried so far, a few stock and a few custom, including MIUI). Since the Dell exhibits a reduced effect with LauncherPro, I'm guessing it's a software issue, a type of graphics acceleration that can be enabled globally, but isn't on this phone in any of the ROMs I tried. What's it called, and is there a line for it in build.prop, or something that can be added? I remember there was a hardware acceleration switch that could be enabled/disabled with the Blade Buddy app on some phones a while ago, but I downloaded the app on the Dell and the switch isn't there any more.
This video shows the effect: [URL] ......
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May 10, 2010
while scroll the listview, the Layouts background gets flickering. that is the layout is has a background image. this image will gets invisible and reload all the time while scrolling. how to rectify this? Any Idea?
Note: its happening for inbuilt android Array Adapter too.
CODE:.................
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Oct 26, 2010
The FAQ mentions a method of passing objects around activities. (It is not clear to me): "A HashMap of WeakReferences to Objects. You can also use a HashMap of WeakReferences to Objects with Long keys. When an activity wants to pass an object to another activity, it simply puts the object in the map and sends the key (which is a unique Long based on a counter or time stamp) to the recipient activity via intent extras. The recipient activity retrieves the object using this key.".................
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Jun 15, 2010
I have an application that have a Google map on Google Android 1.5 since we have been working on the application for a long time, we are not in stage of upgrading to the newest framework, so we are using 1.5. Now, I have map locations that are dynamically generated and drawn on the map at run-time to visualize some streams, Up to this point the application is working fine, Now my problem is that I am trying to filter the objects ( addresses) to visualize only the on-screen ones. I do NOT want to visualize the addresses that are off-screen. The way I am trying to do this is to check the screen-coordinates of each object (address) before visualizing it, then it the coordinates (x,y) more than (0,0) and less than (320, 460). I should visualize it. I am trying to use this approach, but it is not working for some reasons, I have tried many posts but could not understand why, there must be something missing somewhere that I am not aware of.
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Jan 18, 2014
My device is a local re-branded and enhanced Xolo a500s/it's like a karbon a5 a think. After successfully updated my device via OTA and after my device rebooted. My screen started to flicker randomly. My phone is not rooted and im still using the official stock rom. I found a temporarily solution by doing a Factory Reset, the flickering would be gone but it will come back after my phone screen goes off and on.
I suspect that the new lockscreen bloatware system app that comes with the update causes this, I can't disable it(googled already, and the only way to freeze/remove it is to root.) I can't root my device for something like a hunch. I'm waiting for a software update that would fix my device's touchscreen collide bug.
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Apr 4, 2012
cant post a link to the video on youtube but the video on youtube, same problem on 2 different phones.
SCH i500 with 2.3.5 firmware
Bb is S:i500.04 K.E120
Kernel is 2.6.35.7
Build is SCH I500.E120
ive done a reset that didnt work, it doesnt happen all the time it just seems to have a mind of its own.
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Apr 13, 2014
i just tried to root my note 2 but after the oden process my screen started to flickering and flashing.
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Oct 3, 2010
I have a ViewFlipper with two ImageView widgets. I have set the in and out animation as android.R.anim.slide_in_left and android.R.anim.slide_out_right
Now when the two ImageViews have two different drawables, then the animation is sleek and smooth. But when I set the both the ImageViews to the same Drawable, the screen flickers. Why is this happening and how do I prevent it?
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Aug 26, 2010
I am doing an application-infinitely rotating 3D cylinder in openGl.The speed varies with finger touch but wen i reduce the speed,i can see flickering happening in animation towards right and left.Initialy I thought it is because of the linked list im updating but found out there is no such problem with my linked list .I'm using a thread here for a small delay after each 30 degree rotation drawing.I cant do it widout the thread coz i need a sleep or a delay after each 30 degree drawing,if i remove the thread and implement the code in thread inside my onDraw frame, the curvature rotation itself goes and it appears that images are just left shifting n right shifting coz the sleep is not getting identified in onDraw frame.So i cant implement my logic here widout using thread..so thread is a must in my logic but i guess the flickering is due to my thread...Is the flickering issue during animation because of the thread?please do help me with this flickering issue......
This is d thread part im using in my code.........
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Aug 20, 2010
I recently purchased the Droid 2 today & noticed when I turn on the Wi Fi in settings. It was turning itself on & off, on & off rapidly for about a minute. Eventually it was stable. This was unusual. So I went back to the Verizon store. Got a replacement. While in the store. The rep turned on Wi Fi too see if it was an isolated incident. Same thing started happenning with the new replacement. Wi Fi going bananas. On, then off repeatly for about a minute. He placed a trouble ticket & gave me the new replacement. He also said this is an KNOWN ISSUE.
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Aug 6, 2010
I have a strange problem with Galaxy S, can somebody please check if they do experience the same thing.
My battery is low (about 13%), I'm connecting SGS through WiFi to the Interent. Any time the device is downloading something: web page, image from Picasa, etc. on the screen appears flickering tiny lines, like magnitic distortion. Once page fully loaded screen become nice and clear. If I plug power, USB, the screen and download happens normally. I tried different setting (brightness of screen, vibration on/off, stay away from electronic devices)
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Mar 18, 2010
I'm using GLSurfaceView to create a simple OpenGL drawing application. Since the elements drawn in each frame must remain on screen in order to be composed into the whole drawing, I don't use gl.glClear(GL10.GL_COLOR_BUFFER_BIT) at the beginning of each frame. But not clearing the color buffer leads to substantial flickering. Is there any way to eliminate flickering while still not clearing the screen at the beginning of each frame?
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Jul 20, 2010
Had my desire on charge last night as usual, woke up in middle of the night, hit the button on the top of the desire so i could see the time, but rather than the screen lock appearing my homepage appeared but it was rapidly flashing between that and a white screen and was unresponsive. I have the spinning earth and moon live wallpaper for weeks now and the moon was moving back and forth a tiny amount much like when you press pause on an old VCR.
After a few seconds swiping with my finger it eventually responded and the flickering went but came back when i swiped screens once more. i unplugged it from the charger and it did it again.
I then took the battery out and put it back in and since then it seems to be working normally. I also noted that the clock had been frozen at 00.15, when i resolved the prob it jumped to the true time of 03.30. 00.15 was probably about the time i put it on charge so has plugging it in caused it to lock up?
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Oct 1, 2010
When using 2.2 on the HTC Desire, select ISO 800 in the photo settings, rather than auto, then switch camera to video as normal. This will considerably reduce the flickering / stuttering during playback when recording at 720p.
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Apr 24, 2010
For some strange reason everynow & then my Desire has some background noise when browsing. I'm not using wi-fi, just my data. It's happening now as I type.
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Sep 20, 2010
I was using the camera this morning and after a few seconds the screen started flickering, it then turned a shade of purple and the view split so the bottom of the picture appeared at the top. I rebooted the phone and it was fine for about 30 seconds and then did the same. Second reboot and it appears to be ok. Just wondering if anyone else has had this issue? All software is as standard the phone has not been rooted (yet).
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Jul 15, 2010
So the bottom of my x's screen flickers and flashes colors and covered like white noise but in colors. I think i got a bad lcd. I hope they have and extra x later in the day. At first i thought it was the blur launcher but it does it with launcher pro and every other program.
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Sep 19, 2009
My Screen flickers slightly on the home screen. When I use 2g data it flickers alot and is really noticeable. Has anyone else experienced this problem with their Galaxy? Is it a software or hardware issue. Its like horizontal lines are going down the screen. Really annoying.
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Nov 6, 2009
Anyone having problems with flickering screen when on a call while plugged into home charger? i thought i was in a rave with my phone acting like a stobe machine.
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Aug 18, 2010
I bought my Droid 2 last week, after trading it in from an LG Ally. It's quite awesome! But little droidy is sick ): The screen is constantly banding and flickering, sometimes at different strengths. At points it's hard to look at the screen and hurts your eyes. I heard this happened with the Droid X's as well. Sadly, the day after I got my Droid 2, my 30-days (I got it at best buy) to exchange the phone ran up :<
Is there anything I can do so they can exchange this? They sold me a defective product for $200! D: I think they should listen and give me a working model.
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Oct 22, 2010
My girlfriend's D2 is having trouble with the soft keys flickering or not lighting up. Then if you turn the phone off you can press the screen and they flicker.
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Oct 3, 2009
I'm trying to clean up some rendering issues for a 3D game -- CowPotato (http://www.cyrket.com/package/ com.froogloid.android.cowpotato).
Basically I'm seeing some flickering, like the next frame is getting flushed before everything is drawn. It is definitely the last few items in my display list that seem to flicker -- if I reorder the list, it's always the last part of the list that flickers.
I understand that the GLSurfaceView automatically provides double- buffering -- it certainly appears to be the case looking at the source. So any suggestions as to why I might be seeing flicker? I put counters into the drawing methods to make sure that all the objects are called each frame, they just don't show up on screen all the time.
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May 3, 2014
I have a Samsung Galaxy Express i437, I used Odin v3.7 to root and flashed the CM11 ROM with ClockWorkMod recovery. Everything works fantastic, its so much faster than OEM 4.1 Jellybean! I bought it just to practice root & ROM for my first try (dont wanna brick my S4)....not bad for a cheap 4G Wal-Mart go-phone i'd say.
The only issue I found so far is that the external LED lights (menu and back) flicker non-stop, wasting a little bit of battery. It always stops the flickering by locking the device one more time, but sometimes I dont notice it when its laying around and it takes a toll on the power. Is there a way to fix it, and how would I fix it? I am just now learning about Terminal Emulator commands, and sideloading and whatnot. I do have the LED Light Flow APK controlling the lights on my S4, maybe it is obsolete for the i437 since I didnt notice LED notifications.
rooting and flashing with this same exact device, let me know, it was so easy to use ClockWorkMod recovery instead of TWPR because of my 64GB SD card format (EXT-4)? iirc
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Jan 16, 2010
Just wondering if anyone else had noticed faint flickering issues with their Behold 2 screens? I especially notice it with smooth gray scale gradients, soft focus wallpapers, or solid color mid tones. Also, some color banding in grey mid tones... looks like faintly alternating horizontal lines of green and magenta. I work in digital imaging professionally, so I really notice such things. Can't decide if I'm being overly critical, or if my phone has an issue.
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Sep 3, 2013
Is there that option? I like all the other features but I can't find that option... If not tho I'm going back to Add Launcher.
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Jul 11, 2012
is there any way of modding how the scrolling behaves?
i mean the scrolling in gb was smooth and had almost non-friction while in ics it stops faster-more friction...
is there a way of modding the friction and other stuff that are involved in the scrolling behaviour?(i mean the android general scrolling of lists and pages... not the app specific scrolling engines)
root app that can change scrolling physics and add new stuff like bounciness and some cool other behaviours like a way of changing the elasticity and touch filtering...)
the market is full of nonsense apps that are clones of other useless apps or just junk that no one cares about... it would be cool to have more tools to customize our systems!
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Apr 5, 2014
I'm trying to remember the name of an app which is a scrolling dock widget. Similarly to Launch-X... But I'm pretty sure it is not Launch-X that I'm thinking of.
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Mar 15, 2013
I just noticed my live wallpaper doesn't have that perpective scrolling effect anymore. It's it a rom setting? Nova isn't doing this effect either.
Nexus 4
Apex Pro
Liquid smooth rom
Faux kernel
[ LG NEXUSâ´ / LIQUIDSMOOTH / FRANCO / POETIC BLK BUMPER / APEX PRO / TAPATALK PRO ]
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Oct 13, 2012
Although I don't have any issues while using apps or playing games, sometimes when I scroll through my home screens it kinda jerks back and stays on the same screen as if I had not swiped it properly or something. I'm not sure if it's because I am so used to my phone which does not take as much effort or if this is an actual problem.
Nexus 7.
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Dec 28, 2013
My wife has a razr maxx and was trying to scroll on a pop up screen to submit he college lone paperwork, but it won't scroll only the screen in background will???
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