Android :: Particular Collection Of Code Along With Some XML Files
Jun 4, 2010
I have a particular collection of code along with some XML files that I need to share with every application I will make.
At the moment I can't because as far as I am aware there is no way to do this. This seems like a massive oversight by the development team.
If the code needs changing, I have to change it in every app that I create - and will create in the future.
Are there any ways to share code in android yet? I am using Eclipse for development.
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Apr 2, 2009
Anybody know where one can obtain the source code for dx all in one downloadable blob?
The following gives dx a file at a time:
http://www.netmite.com/android/mydroid/dalvik/dx/src/com/android/dx/
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Apr 30, 2010
I want to lock files that is on the sdcard of android. I need to lock them so no one except my software can delete copy move or send them over bluetooth or any other way.
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Feb 17, 2010
I am creating a game using the irrlicht c++ 3D graphics engine port to android platform. The graphics engine is written in c++. I need to be able to load meshes and textures etc from c++ code. My current plan is to place all the game asset files in either the res/raw directory or the assets directory then on start-up copy these files to the sdcard so they are accessible from the irrlicht c++ code.Is this the best way to make the game media files accessible from c++?
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Jul 17, 2009
What would be the best way to access the USB as a serial port on a android device (HTC Magic) ?
I am thinking about a OBD-II interface, can I do this on a startdard phone or more likely I'll need a modified firmware ?
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Jan 8, 2009
Ok before you start salivating and jumping up and down like a hysterical clown, read the following disclaimer
"At the moment you can not do this, but very soon you will. In fact it is being developed as we speak"
Still interested? Read on
Mozilla, our (second) favourite web browser has had an open source media library and player for some time ( called songbird ). The interface looks cunningly similar to i-tunes, and keeping in tradition with mozilla's theme and addon creation the plugins, themes and addons are pouring in.
According the their roadmap support for extrnal USB devices like mp3 players, cellphones and PDA's is coming very soon, in the next development phase. Which means one thing for you and me, the ability to sync our media collection with our G1's
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Sep 4, 2010
Now that girls in home, girls on river, etc have been removed from the market can someone tell me where I can find them?
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Aug 14, 2010
Does anyone have any of andrew bells android google mini figurines that they don't want. I'm looking to buy some specific ones.
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Jun 6, 2010
I'm writing an Augmented Reality codes that should works in realtime,
But the VM's garbage collection hinders my program's performance.
I checked my program's execution time for each in OnPrevFrame(byte[], Camera)
and it execution time increases from around 50ms to 120ms at just after each garbage collection.
I copied parts of logs below. (local time is just before and after of signal processing, and global time is time stamps for every onPreviewFrame() calling )Also I executed onPreviewFrame without any signal processing on it, but
the garbage collection is also carried showing debugging message around 60ms it spends for memory release.
Is this garbage collection come from releasing byte[] yuvs image data? ( i uses 320x240 thumb nail )
then this clearly comes from Java's limitation, so there will be no hope for improvement unless
I found a way to directly access camera device? do you think this is feasible? Hope listen to others' comments.
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Apr 22, 2010
I'm trying to write code that draws accuracy circles around a gps location based on a time param. I have no problem setting up the GPS, or of calculating how to draw the circles.What's been killing me is that the Overlays always overwrite one another.So I can never have more than one circle.I've looked at all the examples and tutorials online but they seem to be obsessed with putting in icons or with Drawing from some database or array.If I understood correctly I should be able to do itemizedoverlays and just draw as i go without having to track each readout in an array.
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Dec 28, 2009
I'm drawing a rect to a surfaceview. Nothing special, just a test like this, in the surfaceview-extended class:
private int mPosX = 0; private Paint mPaint = new Paint(); Code...
the rect just bounces around the screen. I'm watching DDMS, I still see the garbage collector being called, even with this simple draw loop. There is no other application code being executed.
I'm wondering if it's realistic to expect the gc to not be called at all if we take care to not allocate any objects during our draw loops. I'm trying to extend this example to do some smooth animations, but every once in awhile the gc is called and you can see the drawing stutter. Although none of my application code is allocating any new objects, I don't know what the underlying API is doing inside surfaceview etc, and I doubt we can control that. Just wondering if this is not possible, I'd prefer to abandon this game idea up-front if we can't guarantee smooth animation.
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Feb 23, 2010
I've got a class called PhoneContact with 3 properties:
Title, Description and PhoneNumber
If I have a collection of these, how would I go about binding these to a ListView containing a TextView for each property?
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May 25, 2009
I am developing a camera application , where the frame rate is important. However, camera uses a preview callback function which allocates a byte[] array of 230400 bytes, which makes it necessary for the garbage collection to step in. Can someone suggest me a way to avoid garbage collection stepping in?
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May 20, 2009
Hi, I have discovered while using DDMS that the basic OpenGL system calls in my code are allocating memory and causing the garbage collector to fire! It's not the system calls themselves causing the problem but the use of direct byte buffers to pass data in.
The direct byte buffers I use in calls such as glVertexPointer & glTexCoordPointer lead to java.nio calls to read the byte buffers, leading to objects of type org.apache.harmony.luni.platform.PlatformAddress being created.
These buffers are the same as in the example OpenGL code. I am creating a ByteBuffer using allocateDirect() and then creating an IntBuffer using ByteBuffer.asIntBuffer() to pass data to the OpenGL functions. The problem occurs as the system is reading the buffers.
Is there a way around this? Maybe using something other than direct byte buffers? It seems that using this method, OpenGL code of any complexity (ie a lot of OpenGL system calls in every frame) is doomed to pause a lot. I am aware that these calls should be kept to a minimum, but I still need to use a certain amount of them.
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Nov 1, 2010
I have android source code in my system and it works fine. But when I make some changes in android source files and run "make" it doesn't generate/update any files.
i) System should generate a new system.img file if changes have been made to its source code
ii) Android kernel file-zImage file doesn't change with any change even if we make any changes to the source code
Another question if I create a new library folder inside / libcore it gets automatically picked up when compiling. For creating a new library folder outside /libcore i added its path in /build/core/main.mk and .classpath file. Still its not getting picked up during compilation. Can someone please confirm where all we have to make changes for adding a new library file outside /libcore.
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Mar 20, 2010
I'm performance tuning interactive games in Java for the Android platform. Once in a while there is a hiccup in drawing and interaction for garbage collection. Usually it's less than one tenth of a second, but sometimes it can be as large as 200ms on very slow devices. I am using the ddms profiler (part of the Android SDK) to search out where my memory allocations come from and excise them from my inner drawing and logic loops. The worst offender had been short loops done like,
for(GameObject gob : interactiveObjects)
gob.onDraw(canvas);........................
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Apr 15, 2009
I have screen 1 of my app which I want to transition smoothly into screen 2.
I want the transition to be smooth but I don't mind a slight pause before or after the transition. Before the transition I dump a lot of objects that are no longer needed from screen 1.
However, as luck would have it (!), the garbage collection almost always takes place during the transition causing the frame rate to drop and the transition looks terrible :(
Is there a way for me to either force the garbage collection to complete before the transition or delay until after the transition is finished? I have tried System.gc() in various places but it doesn't seem to help performance.
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Mar 7, 2012
I need many hours of video for my 2 year old for long flights. Is there anywhere in the android universe with downloadable video content similar to itunes and amazon? My iTunes and amazon video collection will not play on android device.
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Aug 6, 2010
Anyone know of such an app? It sure would be nice to have a list on my DX when I'm in a store to ensure I don't buy any dupes.
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Sep 8, 2010
I feel like this should/may have already been asked, but what's the easiest way to get my mp3 collection onto my Droid Incredible? Is it even possible?
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Jul 6, 2010
I have a Service which uploads a big file to a webserver. This works fine on the emulator (android 2.1). But if i run it on a Nexus One Froyo phone it starts out fine. But after a while it is in an infinite GC loop. The whole phone becomes unusable:.........................
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Apr 13, 2009
In my ListView, there's one line of code in my ViewBinder that causes lots of garbage collection as I scroll through the list, about every two seconds...
D/dalvikvm(16312): GC freed 13171 objects / 659576 bytes in 162ms D/dalvikvm(16312): GC freed 13122 objects / 654128 bytes in 129ms D/dalvikvm(16312): GC freed 13134 objects / 655416 bytes in 142ms D/dalvikvm(16312): GC freed 13129 objects / 654840 bytes in 129ms D/dalvikvm(16312): GC freed 13149 objects / 655000 bytes in 110ms D/dalvikvm(16312): GC freed 13150 objects / 655720 bytes in 127ms D/dalvikvm(16312): GC freed 13075 objects / 652256 bytes in 111ms D/dalvikvm(16312): GC freed 13232 objects / 659040 bytes in 136ms D/dalvikvm(16312): GC freed 13106 objects / 653920 bytes in 110ms D/dalvikvm(16312): GC freed 13155 objects / 655152 bytes in 110ms
The offending code is here, which formats a price for each item in the list: String price = cursor.getString(columnIndex); final float pricef = Float.parseFloat(price); price = new StringBuffer("$").append(String.format("%. 2f",pricef)).toString(); ((TextView)view).setText(price);
If I comment out the line with String.format, the garbage collection goes away. So what's the "right" way to do this to avoid allocations? That database field holds an unformatted text string which I'm trying to format into proper currency format (example: format "1.5" to "$1.50")
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May 23, 2010
As the HTC Evo 4Gs are slowly making their way into the hands of people (after the Google I/O event), it seems that 720p videos are making their way onto Youtube. I've collected a handful so that people could see what was representative of the Evo's video. I've noted whether they are indoors or outdoors since the amount of light can have a significant impact on the quality of the video.
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Aug 21, 2010
How do get these to work I tried using better cut but can't figure it out [Icon_Pack]. The Droid Collection_v1.0-xda-developers.
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Apr 18, 2013
I used to work with phones and am aware that most Android phones have two boxes you can check/uncheck the first time you turn them on. One says something about using your location for Google apps. The other says something like "allow Google to collect anonymous location data". When I got a new phone today, the clerk turned it on when I wasn't paying attention as part of the setup process and checked both boxes without checking with me first. Where can I disable these features now that the phone has already gone through its initial setup process?
Edit: Found the answer to one of these shortly after posting due to a better-worded search. Apparently turning off "Use wireless networks" and "Use GPS satellites" under "Location and security" turns off anonymous collection of data. (I had seen these while searching the phone earlier, but the caption does not make it clear that checking them enables Google to collect anonymous location data even when you aren't running any apps. It's only when you uncheck them and try to check them again that it pops up with this information.)
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Feb 6, 2010
I've taken the time to write down a collection of Android tips and tricks (along with a few tutorials) based on my own experiences and what I've learned in various forums. For those of you who want to check it out, here's the link:Android Tips & Tricks and Tutorials I wonder if anyone know of a trick that isn't listed in the guide? If so, please share it with me My hope is that the collection will grow.One thing I learned today actually is that when you type with the on-screen keyboard on the HTC Hero, instead of hitting then space for a new sentence, you can just double tap on the space bar and it will do a full stop, space, and then capitalize the next letter. It's much smoother.
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Feb 19, 2009
I wanna to add some code in Camera Apps code , so that it will invoke my Application and do the thing as per my desier. Is it possible to change the Application code? If any one already tried this then plz let me know, how to proceed and build if i change some code. How to integrate my application with camera apps.
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Jan 27, 2010
I can build a daemon with my algorithm code and main function.I put all files in one folder under /development and make This executable file works successfully
Now I want to separate my algorithm code and main function code. I hope to build a binary library with my algorithm code and main function will link this binary library to use.
Where to put my algorithm code to create binary library and how to link this binary library in main function code?
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Jan 22, 2010
I am trying to integrate my code to the android Home Screen code. I want to launch my activity frm the HomeScreen by click of a button. I Did the code & then build it but when i click the button i m getting error as Application not installed on phone.
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Apr 24, 2009
Can anybody advice what is the recommended directory to store files generated by your application: audio files, video files or some images.
If the phone contains SD card, it is clear that files should be saved there, but if there is no any external storage. where would you recommend to save to?
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