Android :: Has Anyone Built OpenAL?
Apr 6, 2010
Has anyone built OpenAL for the Android, or found the shared library for it on the system? This seems like an obvious need for a game of any kind, yet there's no resources out there for it. It seems the Android java sound library can't do pitch changes from what I can tell, so there seems a need for OpenAL. I know OpenAL Soft can be built on top of ALSA, but I'm not sure if anyones done that, and I'm sure it would take me a month.
If there's a good guide somewhere on sound manipulation on the Android without OpenAL, that's fine too. It's just that OpenAL is sort of a standard for game makers and it would be nice to port my thousands of lines over to this system, which I sort of thought was the point of the NDK before I dugg into it and saw that there's almost no shared library access on the system.I hope I can actually port without becoming a java expert myself. Really disliking the NDK so far!
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Nov 27, 2013
I have done many of reverse engineering for other electronics in the past, Since Im new to android I was wondering before even wasting my time if is possible to port, or built a rom from sources or a phone thatis NOT External SD built in to a phone that it have the external sd built in.
Making it short can I try to reverse engineer the android code from a Nexus 5 (no ext_sd) to other device that have ext_sd built in?
If is possible where should I be looking to start trying making some development on this as I haven't done nothing close quite.
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Mar 5, 2009
We are plannig to write a new music application from scratch. Also we want to uninstall the built-in music application to ensure only our application resides on the phone. adb ls /data/app command doesn't list built-in applications. So, I am unable to uninstall the built in music application without knowing its name. So, I am getting a feeling like built in applications uninstallation is handled in different way.
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Apr 14, 2009
I have to built a resident application, but I have no idea to do that If you know how to do, please do me a favor and teaching me.
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Feb 8, 2010
In this linked image , I see the button on the right quite often in a lot of apps. On my Moto Droid, it is used extensively in the settings app. It is also used as the default AlertDialog icon. Can I use this via a android.r.drawable?
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Aug 23, 2010
I've been trying to build SDK in cygwin from Android 2.2-r1.1 source code, and now I am facing some problems as below:
1. The adb couldn't be built successfully, it seems it couldn't find the header files in /usr/include/w32api/ddk 2. The fastboot also couln't be built 3. After disable adb and fastboot from make_windows_sdk.sh, I counld get the sdk zip file 4. When using this sdk in Eclipse, I got an error "W/ResourceType( 2888): Unable to get buffer of resource asset file" which is related to resource.arsc in android.jar, after replacing that file, the sdk is find in Eclipse (also need to copy adb from downloaded sdk)
Anyone has tried to build sdk in cygwin as well? Would you pls share the methods to fix the problems above?
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Sep 3, 2012
Ihave a Question to the standard Android VPN Client because i cant test it:
- If i connect my VPN after i started my Smartphone,- what happens when my mobile Data Connection lost? Do Android perform an auto reconnect to the VPN when the data connection is restored?
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May 26, 2010
I want to be able to open a pdf file in my app using the android's built in pdf viewer app, but i dont know how to start other apps. I'm sure i have to call start activity, i just dont know how to identify the app im opening and how to pass the file to that specific app.I just learned that the pdf viewer i have on my phone is actually made by HTC and that Adobe just barely released their android pdf viewer (which is great). So the new question is this: how do i verify that the user has installed adobe's viewer, and then how do i open the file in that app from my app?
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Oct 14, 2009
The built-in IM app is always running in the background. It starts over right after I kill it.Short of changing to a different OS, is there anyway to disable or delete this application?
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Jun 11, 2009
Is there anyone out there that could send me the source for the built in SMS client? Since we can not intercept outgoing SMS i need to write my own copy of the SMS client to do be able to capture SMS replies.The problem is i am having a lot of trouble trying to find a way to access the SMS client source on windows. If anyone can send me or give me a link to a file containing the source I would be very greatful.
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Jul 18, 2010
I'm coming from BlackBerry to Android and two favorite apps were Viigo and FreeRange with their built-in full article reading support. Is anything available for Android with similar functionality. Opening up a browser to read full articles is so clunky. I'd be willing to pay for one. I've tried some of the existing free Android offerings, but they all open full versions in a browser.
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Aug 27, 2010
I'm just using the build in email app for my hotmail, gmail, work mail etc. However It keeps bringing up old messages that I leave in my inbox. How can I get it to not keep displaying these? Or better yet is there a killer app out there that does email/contacts better? I hate having to use the whole gmail thing.
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Mar 10, 2010
Is the FM radio on the HTC Legend built in or is it a new feature in 2.1?
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Aug 17, 2010
I want to develop an application for the android platform that can download some files from my server.
How can i use android's download manager like it is used in the Android market app? I mean, the one when the user downloads something, a download status is shown in the notification bar.
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Jun 1, 2009
I m trying to customize in built alarmclock...i have put a delete button in alarmclock which delete the selected view using checkbox in listview...but i m encountering one prblm whenever i m trying to read the state of checkbox associated with view in listview thru getChildAt (position) method i m not able to read all the child in list view...only first three is readable others are returning null....
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Mar 27, 2010
I have an empty TextView set for my ListView. When there is no data, it shows the empty text, where I have description that they should go to Contacts application. How can I linkify "Contacts" word so when tapped opens the Contacts application?
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Jan 1, 2010
How can I do it?
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Aug 27, 2010
I have a problem with installing an apk (which includes jni libs) on the simulator. The apk is built successfully, but running as Android Application from within eclipse and executing adb install -r path/to/ apk runs also successful, but the app doesn't show up on the app- screen in the simulator. The following is the logcat during the install of the app. I don't see much evidence that there is something wrong with the apk, so I don't know whats going on there. Can someone help me with this? Are there more debugging options for adb install?
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Jun 27, 2009
First of all, sorry for my bad english. I'm new into Android application development, just experimenting with the emulator and the SDK. I have searched with some keywords on the developer group, but i didn't find what i need. I'm searching for classes which with i can do simple audio DSP on locally stored audio files. e.g. i like to do crossfade/overlap on MP3 files, and an overall automatic gain control/ equalization on the realtime mix . As i see i can use the AudioTrack class to send raw PCM data to the audio hardware, so i could implement the DSP in java, but i don't see any way to use the internal decoders to grab decoded PCM frames from encoded audio files (like MP3, OGG, AAC). I thought about using Java decoder implementations like JLayer to do the decoding but that's a very CPU intensive approach which is not good for e.g. a media player application which runs in the background. Is there any classes for using the platforms builtin decoders, or should i "port" some available decoders with NDK to my application?
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Aug 7, 2009
I need to fetch all the built in contacts we added in contacts app. How is it possible to fetch the contacts.
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Feb 9, 2009
I don't want to re-invent the wheel and would like to use the existing android picture viewer.I've found some intents to launch built-in android app such as the dialer but have not found one for launching the picture viewer.How do I launch the android built-in picture viewer app?
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Oct 16, 2010
Here is a couple screens from my EVO. When it warns you to plug in the phone it also has a button to check usage that is built into the phone. Wish somone could build an app directly to this. As the battery was draining (almost dead) I left this screen up (waiting for it to die) total of 13hrs and 20+ min. It does not use any battery to check this. Look at how long it has been unplugged. The BT, Sprint Nav and Beautiful widgets never get killed by my task killer because these are a must for my job. I am a Professional Driver of 21 years and these are needed.
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Sep 3, 2010
While compiling android project in eclipse 3.4.2, am getting The project cannot be built until the build path errors are resolved. I got a temporary solution from the blog http://www.scottdstrader.com/blog/ether_archives/000921.html
The resolution was to force a resave of the selected projects (and their .classpath files):
Open the project properties
Select Java Build Path > Libraries
Add a new, arbitrary library (to be deleted later) > OK
Wait for the workspace to refresh (or force a refresh of the project)
The error(s) will go away
Remove the dummy library
The only other references I could find were to make minor alterations of contents of the .classpath file.
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May 18, 2012
Does Android use a built-in EQ or limiter on their Bluetooth stack? I am running into a situation where both of my android phones, One X and Nexus One, have developed a "clipping" noise when I listen to music through the Bluetooth in my car. This same clipping doesn't happen when I listen to podcasts, only music. My assumption is that something in the framework is clipping the audio saying that it is too loud and causing this to happen.
I have also used the same Bluetooth setup my WP7 phone, an HTC Titan, and I do not hear this same noise at all. I have only heard this through my android phones which leaves me to believe that it is something based in OS level and not the Bluetooth set up itself.
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Jul 25, 2009
I built Phone.apk from the source code, and the resulting application could not find a carrier. I suspect that there are specific target builds required here (note that I DID add "TARGET_PRODUCT := htc_dream" as required to the Makefile), but there are no other vendors available under the Vendor folder in the source (i.e., T- Mobile, etc). Am I off base? Should Phone.apk be able to work on our HTC dream phones without additonal modifications?
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Jun 3, 2009
my Dell Latitude E6400 has a built-in gps receiver. How can I hook it up with the emulator? I have enough problems spoofing gps data due to exisiting Android bugs, so I might as well use real ones?
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Jan 20, 2009
I want to ask a question about the android source code - after building the code how and where can I test the built version, and what files that I need from the built version.
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Mar 12, 2010
I was wondering if anyone knows how to uninstall or permanently disable HTC Hero's built in Peep tweeter application? I never used it and I never will and it keeps restarting itself after I kill it's proccess in Task Killer. Also Application Uninstaller from the Market can't do that either.
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Mar 11, 2009
Is there a built in activity for sending picture text messages? If so, what does the intent look like that fires it off?
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May 31, 2009
Like the Alarm Clock, Calculator, etc. I see that the source is available at :
http://source.android.com/
For example, the alarm clock I'm going to modify will "look exactly the same" as the built-in one, but there'll be a lot more functions. Is it legal to extend the functionality of the Alarm Clock and publish it as paid application?
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