Motorola : Taking Screenshot Of Android OpenGL
Jul 22, 2010
I'm fighting from some time with taking a screenshot of Android OpenGL.The code I found is as follows:In each case the result is a png file which is completely black. I found there is some problem with glReadPixels method but I don't know how to bypass it.
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Jul 23, 2010
When one wants to publish his App on the Android Market he can upload up to two screenshots of his app. I would like to take these screenshots with my current device (Motorola Droid) that I'm using to test the application.
There are some Apps on the Android Market that allow you to take screenshots, but you have to root your phone, which I dont want to. There are related topics within stackoverflow where people want to take screenshots out of there code (here). However I just want to take screenshots of my running app with the current device, which is connected via USB to my computer; I'm developing via Eclipse, so there should be a way to tell your running device that it should take a screenshot via the sdk, right?
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Feb 25, 2009
Single Threaded OpenGL game ! (check bottom, you can download and use the helper class) Lighting disabled ! Depth Buffer disabled ! Culling enabled ! Textures disabled !
Just 176 integers (x,y values only) making 88 vertexes along with 132 index numbers making "44 triangles only"
Framerates I get is
with GL_BLENDING disabled - 145 fps approx only! enabled - 110 fps approx only!
I have the screenshot of exact code in the draw function here.. just 2 damn lines ! I have hidden only the comments.. click here to see it http://prasna991.googlepages.com/drawframe.png
variable details in the 2 lines of code =========================== ipts = 176 elements (only x and y for each vertex) totallinetriangles * 3 = 176 lineindexes = 132 elements - type "short"
Here is the screenshot of output drawing and how it will look like http://prasna991.googlepages.com/screen.png
OpenGL single threaded Initialization Helper ================================ Here is my OpenGL helper class.. makes the OpenGL initialization for newbies a cakewalk http://prasna991.googlepages.com/OpenGLHelperclass.txt
I tested by rendering on the touch event only.. frame rate drops only when u touch and drag and here I have just tested by tapping and releasing gently on the emulator and on the device
Is this the device limitations ? So graphics is actually a lot lot lot slower than on iPhone ?
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Jul 24, 2010
I would like to be able to use the OpenGL API from both Java and C (via NDK).
In Java, there is a GL object passed, which has all GL methods on it.
In C, you just talk to the native library.
In a single onDrawFrame callback (for which Java is passed a GL), can I use methods on the GL object, and also call NDK methods which access the openGL library?
In other words, is the GL object just a wrapper for the same instance of the native library?
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Oct 14, 2010
Anyone know how to Screenshot the Dx!
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Oct 5, 2011
How do I take a screen shot on my Motorola Droid X? I did it once before but now I cant remember how to do it.
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Nov 9, 2009
I see there is a screenshot app in the market place but from what I read it does not work with 2.0, is there a built in app that will do this in the moto droid?
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Jul 22, 2010
One of the reasons I rooted was so I could do screenshots (nerdy I know). Has anyone found an app that works on the DX once rooted. I tried this one;
screenshot - Android app on AppBrain
and all it did was create some "blank" 1kb PNG files in the screenshot folder.
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Oct 28, 2009
I just got my hands on this phone.
Here's my summary:
1) It's really fast. Runs all my games at max framerates.
2) The screen is 16:9 and will probably mess with your layouts and games and stuff.
3) It has a PowerVR SGX530. That's right around iPhone 3GS's GPU speed.
I believe the hardware supports OpenGL ES 2.0 but since Android doesn't, there's no way to use it right now. I did, however, dump all of the GL extensions and put them alongside the G1 and Emulator extension lists into this handy-dandy article - http://www.rbgrn.net/content/345-hands-on-motorola-droid-opengl-es-specs
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Jun 30, 2010
I have troubles with OpenGL textures on Motorola Milestone with 2.1 firmware. Each call to glGenTextures fails with error GL_INVALID_OPERATION and sets the id with random numbers. The exact same application works on G1 without any error.
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Sep 27, 2010
when i had my Evo, i would go to take a picture and the LED's would stay on the whole time while i took the pic and looked great.on the DX, the flash only comes on right when you actually take the picture. i find the pics arent as good on the DX, not necessarily because of the way the LED's act. but in general.is there any way to get the LED's to act like they do on the Evo? i think it may help the camera focus better at night
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Sep 30, 2010
I heard that the X was supposed to be capable of taking HDR photos with the Froyo update.I looked in the market for apps, and only found Camera 360. I really wasn't too impressed with it.Does anyone have another camera app for taking HDR photos?
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Apr 3, 2010
I attempted earlier this week to manually install the update, it wouldn't go for me. I got the notification this AM about the update, selected to reboot and got the error screen. After reboot when I go to check for system updates it tells me I'm up to date with 2.0.1. I may back up my texts, though I don't have any critical info there, and do a factory reset then try the manual update process again. Factory reset shouldn't wipe the SD card, right?
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Dec 19, 2009
Any idea why the quality of pictures is so much better when using GOOGLE? If pictures can be that good why does the camera suck when taking pictures?
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Apr 2, 2010
Just got the Milestone a few days ago. Couldn't find similar problems when searching. Having issues with taking Widescreen images. Take a look at the very right side, there is a small strip that's out of place. Actually, this strip is part of the image that should be on the LEFT side of the image instead. Doesn't happen when taking 4:3 5MP picture. Compressed the images, but you can see it below when zoomed. Anyone know what the deal is? Just a small but slightly annoying issue.
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Jul 16, 2010
Moto was all about stating how unobtrusive this me blur was but from a quick look with system tools all the bloat and the blur of. Taking up more system memory then sense UI. Is there any way to stop them so they don't just start back up again, I'm using launcher pro but the Moto home keeps running in the background and it comes back even after force closes through task managers.
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Nov 18, 2009
I downloaded SOMETHING in my 1st week Droid owner downloading frenzy. It said something about using the camera button to take a screenshot "but don't forget to turn it off when you are finished" Now pushing the cam button gives me a presestent "screenshot failed" message that hangs there for minutes on the screen, I don't remember the name of the app, have looked CAREFULLY thru all the apps installed to no avail, nothing like that is shownig in TasKiller, nothing in the download list.Driving me crazy. Maybe it was some part of something else I turned on? Ring any bells with anyone?
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Nov 7, 2009
I can't seem to avoid pressing the volume/camera buttons as I'm taking the Droid out of my pants or jacket pockets. Has anyone found a way to disable this behavior?
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Nov 29, 2009
This may sound like a weird question, but why is my Droid camera taking blurry pictures. I just got the phone today.
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Nov 18, 2009
Sometimes it will be 3 hours between when my email arrives in outlook on my pc and when the droid decides to pick it up (even though i press the refesh button for the email on the droid). when it does come in, it records the time the email should have come in. however, sometimes emails will come in within 1-2 minutes of when they hit my outlook box on my pc. my settings are set to recevie new email every 5 minutes.
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Nov 15, 2010
Does anyone know if the Flash can be turned off for taking a picture when it is dark, flashes only work for a few meters and I find everytime I take a picture at night the picture come out bad
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Feb 20, 2014
Motorola moto G8. First thing I did is connected the phone to the charger and next I turned on the power. Next I got a notice about an available Android update, which I accepted. Downloading the update went smooth (via WiFi). But then my phone asked to reboot to install updates. Now I'm seeing the same screen 'cycle' for three hours. I see the Android guy with some blue geometrical shapes in his belly. Under that guy there's a status bar and the text 'installing update'. The status bar moves to a certain point, seems to freeze and then jumps towards the end. Next the screen goes black for a second and then the same cycle repeats itself.
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Nov 22, 2009
Anyone know how to turn off the sound of when a picture is taken, the snap sound?
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Mar 21, 2010
Anyone else having with Pandora not loading at all or taking minuets to get a song to play? If so what was the solution to repair it.
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Nov 9, 2009
Is there a way to turn off the flash and/or the shutter sound of the camera when taking a picture?
Flash Mode says auto under it, but the box is grayed out and I cannot select it to change it.
This is the same for the auto focus feature, I am unable to select that as well.
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Aug 7, 2009
i have a requirement to place 2 overlapping image view inside a web view.the upper image view can be moved using trackball and the lower image view is static.now i want to capture the whole screen programmatically and save it as an image.i have referred this link but unable to get the solution.
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Aug 4, 2009
How can I take a screenshot programmatically? So far I've learned that:
1) DDMS does it by sending "framebuffer:" to the adb service over a socket, which takes a screenshot in framebuffer_service.c that it sends back.
2) There are some proprietary screenshot apps out there that stipulate the user must have root access, I'm not sure why.
Would it be possible for an Android app to send "framebuffer:" to its own adb service and get the screenshot that way?
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Apr 4, 2010
All I keep seeing is people asking for an app that allow screenshots without root. The only solution all have given is installing sdk which is a pain in the bum to do. I have another mini-solution until such an app is developed.
Both Open Home and Home++ have this feature built in. Only negative to it is, you won't be able to take a screenshot of your HTC Sense UI home screen or Android stock home screen only the open home or home++ screen. But for many who are like me and could not run the SDK correctly, this works just fine.
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May 10, 2010
My goal is to be able to type a one word command and get a screenshot from a rooted Nexus One attached by USB. So far, I can get the framebuffer which I believe is a 32bit xRGB888 raw image by pulling it like this: adb pull /dev/graphics/fb0 fb0 rom there though, I'm having a hard time getting it converted to a png. I'm trying with ffmpeg like this: ffmpeg -vframes 1 -vcodec rawvideo -f rawvideo -pix_fmt rgb8888 -s 480x800 -i fb0 -f image2 -vcodec png image.png That creates a lovely purple image that has parts that vaguely resemble the screen, but it's by no means a clean screenshot.
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Jul 16, 2009
this is a layout issue, now my app's layout is this screenshot...........
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