Android :: Why Aren't The 2D Graphics API & UI Toolkit Hardware Accelerated?
Sep 16, 2010
I've been developing Android application for quite awhile now. Please correct me if I'm wrong, but as far as I know the UI toolkit and 2D graphics API aren't hardware accelerated (the official documentation states that Canvas is not accelerated). I've found that most non- trivial animation or blending operations are painfully slow even on mid-level devices like a Droid, even after taking much time to optimize my code.
I'd like to know what the rationale is for not providing hardware support for these frameworks? Wouldn't it be possible to at least make it optional for vendors to implement support? Does anyone have any additional information about this issue?
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Mar 31, 2009
I want to show off how good opengl es can display on my G1. Does anyone know a game with good 3D graphics that I should install for this?
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Jul 5, 2010
On iPhone, Mobile Safari is WebKit based and supports hardware-accelerated -webkit-transform CSS properties. To be specific, I use the translate3d() transform.
What alternative is there for the Android browser? I need it to work on Android 1.5.
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Jul 7, 2012
Ways to implement H/W acceleration for video decoding(eg. H.264) in my own app for a long time, but got no clue.
I want to call H/W decoding based on NAL or frame level over raw bitstream, rather than setting up a media player for files.
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Mar 18, 2010
Is there any document visualization toolkit available for android?
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Nov 13, 2010
As I read at many places this phrase "the Android UI toolkit is not thread-safe"
Why is that,just I want to understand .....
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Jun 28, 2009
I was wondering if I can use the Gears Toolkit within WebView? I heard a nasty rumor that it was not available in WebView.
If Gears is not available, what other storage mechanisms/paradigms are recommended?
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Feb 13, 2012
I am currently working on an open source collection of Android APIs that will be collected into a toolkit. Essentially, this toolkit is intended to ease coding pains for developers by simplifying things such as network operations, file operations, etc..
I already have a bunch of things planned, such as PHP POST and GET operations, POP3, IMAP, and SMTP operations, File management operations (creating files, downloading files, parsing files, etc...). What other kinds of operations do you all think could be simplified or even just want an alternative to?
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Jan 13, 2010
Is Android code compatible with Google Web Toolkit? Since they support Java, is it possible to run the same class written for Android in GWT?
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Sep 4, 2009
I am using embedded-linux for device which has Arch ARMv5 Speed 266MHZ, vfpu and 32bit bus, 32MB 133 Mhz DDR Ram. can you tell me which windowing system should I use,
1).QT for embedded linux
2). Android.
3). Other!
Well, I am using microwindows for last one year and not satisfied with it as it does not have BSP (Binary Space Partitionin) in its windowing system , No shared memory support for bitmaps. I think Microwindows is just optimized for memory-size not for speed.
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Sep 15, 2010
I would like to write a graphical application for an Android phone that displays a level bar, which changes depending on the phone's accelerometer sensor.Where would be the best place to get started in learning about writing programs for the Android? Specifically, I would need to know:
What programming language should I use?
What graphical toolkit would be quick for a new programmer to use?
Where should I look to find information about receiving accelerometer data?
What starter books on Android development would you recommend?
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Jul 30, 2010
On my Desire, under Menu>settings>programs>administer programs there is a program called 'SIM Toolkit'.
Is it possible to use that program somewhere in the phone?
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Jul 21, 2009
I'm looking at best way of creating Accordion-style widget such as on this page http://is.gd/1GNI3 What would be the best way of achieving same effect using standard Android toolkit or do I need to build custom widget? If so - which one would you recommend extending if any?
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Feb 19, 2013
My son rooted ny Galaxy Note 2 (SGH-i317). After 3D Launcher crashed it, I tried the Galaxy Toolkit offered by mskip. It seemed to work well. I set the phone back to completely stock. (in the hopes of rooting again). But now I get these messages
a) google.process.gapps has stopped
b) Contacts has stopped
c) Gallery has stopped
When I try to dial a number the phone freezes after the first number then suts down. Contacts open in a plain black screen.
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Oct 27, 2010
I have been searching around for free or commercial AR toolkits and need some advice on the best one! I don't want to have one that recognizes a pattern and creates a shape. The idea I have uses the local location and uses POI's from a server to present them onto an AR view.
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Sep 30, 2010
In an HTML page, I have at one place, <a name="updates"></a>, but in a WebView, when I click on <a href="#updates">updates</a>, it doesn't jump to the correct place. It works fine if I load that page in a browser. It does nothing but mark that link as visited in the WebView. Is there some setting that I'm not correctly configuring?
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Oct 18, 2010
if you search for pub:"Moorhen Apps" only 4 apps are listed, however I have released 20, all of which were available 3 days ago. None of the hard links work anymore. Any ideas?
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Feb 27, 2010
Was wondering why some apps that don't need to open to update there info like weather bug, show up in Advanced task kill running? Like an alarm clock or spare parts app.Or why does weather bug show up even inside the 6 hour time frame I set up for it to update.Also wondering If I use the weather bug short cut on my home screen and not the WB widget will that stop it from ever opening/updating unless I open it by tapping the short cut icon.
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Aug 27, 2010
Why aren't menus inflated automatically for you in Android, the way an Activity's layout is?
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Aug 31, 2009
I seem to be having a weird issue when parsing XML from a server. In LogCat the following warning is displayed:08-31 12:05:28.870: WARN/ExpatReader(2031): DTD handlers aren't supported.The parser then seems to stop. I can't figure out what is causing this problem, my approach doesn't seem any different in this instance with regard to parsing XML. Does anyone have any recommendations to fixing this issue?
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Feb 26, 2010
I have rectangle white box. on cliking the rectangle I will draw a toolbar beneath the box and also call relayout to accomodate the toolbar ( size+100) ( i used surfaceview and in secondary thread i draw the toolbar) on click again on rectangle box it will disappear the toolbar and also has to resize the layout to original size (ie size-100) this is where I get stuck. I can disappear the toolbar however I cant call relayout either from secondary thread (says cant call from secondary thread). So I created a while loop in onlayout( this is where i create a thread to draw the toolbar) if i call requestlayout after while loop ends it doesnt do anything it doesnt call onmeasure etc.
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Jan 14, 2010
I created a 2d game in java that runs as an applet, and i am now trying to translate this over to the android. As the android doesnt used paint() methods, i am thinking that i will have to import images of the game instead of drawing it, but i cannot find out how to do this. Anybody know how to add images to the folder and call them in the app? Also, how can i call a screen repaint() in the android?
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May 16, 2009
I want use the methods in android.graphics to draw one board (board chess,)
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Sep 30, 2010
This one surely is a simple one but I haven't made sense of is yet. I'm working on an app in opengl es on android. everything goes well except when I load the textures. I manage to open load and create all the textures without any problem, but the image displays itself rotated of 90. it looks as if the application does not consider that its is in landscape when opening the image...I solved the problem by turning all my textures of 90 degrees but I would sure like to figure this one out Because it is the only thing that is not rotated, the top bar is rotated, the touch coordinated are rotated,
the h and w of the surface are good,
Here are some code snippets that I think are relevant:
CODE:...........
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Aug 31, 2010
How can I show pictures in WebView without saving images into file system?
I have tried to implement my custom Content Provider, but method openFile returns ParcelFileDescriptor that points into filesystem (or socket). My pictures are in filesystem, but in encrypted form.
I have tried also URL.setURLStreamHandlerFactory, but in android java it is useless (because custom streamHandler can be register in jvm that is not allowed). I also try html code "img src="data:image.gif;base64,R0lGODlhiAAkAMQAANOOk...", but in embedded chrome it's not working.
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Oct 27, 2010
Is there any way to add the x-graphics in the android Editbox like the of iPhone.So that by clicking on that x graphic it can clear all the values in the Editbox.Is there any way to listen weather i touch a specific part of an edit text
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Sep 1, 2009
I want to do some programs using graphics can anyone send me sample programs about graphics package
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Apr 26, 2009
I'd like to build an activity that is mixing layouts with 2D graphics. So for example, would like to introduce an edittext with an integer value and based on that value the size of a circle is dynamically adjusted and drawn. Any idea how to do this?
For plain graphics I am using this approach here - but how can it be expanded to cover Android layouts (buttons, editboxes, textviews, radiobuttons, etc.)?
CODE:..............
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Aug 2, 2010
1. What size should graphics intended to promote your app in the Market be designed for?
2. What about the larger graphics that depict screenshots of the app in the Market?
3. What size should app icons for devices be?
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Feb 2, 2010
I have doubts while doing some 2D Graphics and animation. Here is what i have done and what i want to do further: An application starts with a 2D object [ball] rotating and execising in a particular fashion, and after a particular point in time the object [ball] scrolls out of vision. After this point i want to invoke a new activity with a different UI. I m stuck up while trying to transit from this View to a new activity.
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