Android :: Contained Library
Feb 17, 2010
I want to create a self contained library that I can easily drop into an android project and run.I can do this by creating a shared object via the NDK and JNI but the limitation there seems to be lack of audio support which is important for this library.Is there a way to create a library in the java/android world? Ideally the developer could just drop it into the project and could access methods via headers maybe?Any help/samples would be fantastic and appreciated.
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Aug 17, 2010
According to this SDK guide, unit-testing a Library project can be achieved by creating a standard application project, reference the Library project and then instrument the application for unit testing. However, when I do this and launch the test application I get the message.No tests found with test runner 'JUnit 3".I'm using Eclipse and the Android ADT plugin, all latest versions.the projects compile just fine. The test project also installs fine to the emulator. But in the console I can see that it looks for <library>.apk, which of course doesn't exist since I'm compiling this as a library into the test project.
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Jun 18, 2010
I am trying to display two TextViews in two separate line. For that, I am using RelativeLayout. I don't want to use XML for layout as I want to bundle this Activity in a jar file which may be used by different APKs. The TextViews are being overlapped instead of being displayed on two separate lines. Any idea what I am doing wrong here? Sample code is below.
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Aug 8, 2010
I have a database with tables called box, item, and box_contents and I want to get any item that is contained in the box_content table (all items, but discard the ones that arent in the box_contents table). What would be the correct sqllite syntax for this?
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Nov 11, 2010
I have an Android library project that makes calls to PreferencesManager.getDefaultSharedPreferences.
I have 2 version of my app, paid/free, and they are not able to access the preferences stored by the library code.
Can someone tell me the right way to store values in SharedPreferences in library code and have the values available to projects that include the library?
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Aug 26, 2009
I created a jni library which depends the third shared library, I must copy the third shared library to /system/lib, otherwise, Java application can't load jni library. But you know, on G1 with official OS image, /system/lib is readonly. I tried to call System.setProperty to set java.library.path to the location stored the thired shared library before load jni library, but the issue still exists.
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Oct 14, 2010
I have an ImageView that contains a bitmap. Now the bitmap can change size within a known range. This makes the surrounding views to relocate which I want to prevent. I've tried setting margins and padding for the ImageView but without success.
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Oct 2, 2009
I have two .apk file (wit their respective activity). I want to launch the second one from the first one. How can I do this?
Just to be clear : I have project1.apk and project2.apk. act1 belongs to project1.apk and act2 to project2.apk.
I would have done [in the code of act1]
Intent intent = new Intent(); intent.setClass(this, act2.class); startActivity(intent); if it was in the same apk but it is not working here. Could you explain to me the best way to do this ?
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Jul 15, 2010
As I understand, the three ways of distributing my application are via Jar, Android Library and Android Library Project.Jar - cannot contain resources or XML layouts (so this is out for me)Android Library - I don't really know how this works but the Google API uses it..Android Library Project - includes resources but allows the client free rein on the code as it is distributed as source.If I am to create a closed source application that requires drawables and XML files that I want to distribute to other Android programmers, what should I use? And can someone direct me to a tutorial on creating an Android Library?
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Oct 7, 2010
I am about to do another factory reset. I don't want to lose the data on my apps. Is there a non-root way to backup the apps and the data contained within?
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Apr 26, 2010
Android AMF client library Aftek has extensive experience in developing enterprise Flex applications. We have used BlazeDS extensively and we believe that it would nice to provide all the benefits provided by AMF for Android applications as well. We have developed an Android AMF client library which would enable Android application developers use the same extensively. The Android AMF client library supports remoting and secured remoting. This will allow all android applications to use the existing backend like .NET, Java, or PHP. The implementation is asynchronous in nature providing success and failure callbacks. This allows application to perform other tasks without blocking the application. We are currently performing some performance benchmarking and plan to release our library very soon. We would also be incorporating the messaging feature as well.
Android RTMP client library:Aftek has extensive experience in developing voip and audio/video and media applications. Media applications has a huge market and there would be quite a few people eager to develop the medial applications on Android. We believe that it would nice to provide all the benefits provided by RTMP for Android applications as well. We are developing an Android RTMP client library which would enable Android application developers use the same extensively. Our Android RTMP client library would support some add-ons that would help developers to deliver robust media solutions.
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Jun 21, 2010
Does someone know of a library that is fairly "drop in" and allows you to easily put together multiple authentication options in an Android app to services like Facebook, OpenID, Twitter, etc. much like RPX does?
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Mar 15, 2010
I am looking for an Android application that will allow me to keep a database of all my DVD and Bluray disks on my phone. Maybe scan the movie barcode and automatically bring in the data relating to the movie.Is there a complete app out there that does this?
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Feb 9, 2010
My Android application can be divided into a client UI layer and a API layer. i would like to deploy them as separate "applications" so that the API layer can be reused.
In Eclipse, i write them as 2 separate Android projects. In the client UI project, i declare the API project in its build path (Project -> Properies -> Java Build Path -> Projects).
When deploying the client UI project through Eclipse (on my actual G1 phone), it automatically deploys the API project (packaged into APK) as well.
However, when launching the client UI application, i hit this error:
CODE:.............
Looking around, it seems like i should declare uses-library under application in the manifest file for the UI client.
Question is, what should i put under android:name for uses-library? Dev guide says "the name of the library" but what is the name of the library? (i mean, in my API "application", i haven't declared any library name anywhere.)
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Jun 16, 2009
I have an specific requirement to write a new library in android source and an simple client application on top of that. which uses some of functions exposed by that library Can any one provide me step by step process for the same.
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Nov 5, 2009
I was just wondering where there is any information on creating custom user interface libraries for Android. I would like to create a library and include it in an application by specifying something like <uses- library android:name="com.foo.bar" /> in the manifest (just like maps) and have an Activity that can be inherited from like the MapActivity. How can one create and build a library like this?
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Mar 21, 2010
I'm currently trying to make an app using HTMLParser.I developed the whole app in Eclipse and everything seemed to be fine until I tried it on the emulator.It seems that one of the class included into the provided jar file (htmlparser.jar) is not found and thus rise a fatal exception.I tryed to add this library on my build path (on the library tab, before Android 1.5) but it didnt't work. I also tried to make a lib directory with this jar file inside, but with no more success.Every time I try to generate an APK file, the jar file is not included.
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Aug 3, 2010
I'm trying to use UPnP for service discovery,i need a C library which implements this.Has anybody done this earlier.Share the link.
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Feb 4, 2009
Is there a barcode library that will let my app scan barcodes?Pointer please?
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Jun 21, 2010
New to Android; very grateful for the help! I tried searching the web and other threads but the words "free", "ebook" and "library" return thousands of results that don't help. Supposedly at my library you can get books in ebook form. The website says they are compatible with my PC, the Nook and the Sony devices. Is there a way to read these on the Android and if so, how is that accomplished? Also, I read that you can read Google books on Android phones, but when I got to Opera on my phone and go to books.google.com/m and click on a book nothing happens.
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Jun 4, 2010
I need to make my client talk to a XML-RPC service. I found a couple of interesting ones on the web like android-xmlrpc. Have you used any such libraries in your code? Which library do you recommend?
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Oct 13, 2010
I have to parse some complex xml files inside my Android application. Is there any good library for doing that like there is TouchXMl for iPhone?
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Nov 12, 2010
I want to develop a library for Android. In what form can I ship it? jar, apk or something else? How should I do it so that other developers can use my library in their application?
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Oct 14, 2010
Using AIR for Android, is it possible to call from Flex into an NDK library? If so, how can this be done? I have a large C library that I need to use. I know that I can do this from an Android Java app (through JNI), but I have a large Flex codebase that I'd like to reuse.
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Apr 14, 2012
We are writing an Android application (API Level 8 v2.2) that communicates with a java server through the internet. We are doing this by serialising objects to xml string using XStream 1.4.2. Accessing the classes in XStream's jar class library works through eclipse and the AVD emulator but causes a runtime exception when we try to run it on an actual android phone. We don't know what exception is being thrown but we have a hunch that it has to do with the class loader.
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Jun 26, 2009
My company is in the process of evaluating if we can add support for Android to our product. I am currently working on porting our existing J2ME library to the Android framework and I have a question regarding our UI component. Right now, we have a custom menu that we allow our developers to bring up on the device. On J2ME, we simply have a single call that the developer makes to enter into the menu and then we handle the rest. On Android, it seems the best way to handle this is an Activity. But I have a few questions regarding this approach including is the really the best way to do something like this? Second, if it is, if there are multiple applications on the device that are using our library, are there going to be conflicts with them all having the same Activity embedded in them? Is it possible to create an Actvity at runtime and use it directly? Would there be any side effects of going about it this way?
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Jun 21, 2010
Is there any efficient linear algebra library for android? I need to compute matrices of different sizes(also bigger than 4x4) and rectangular too.
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Apr 11, 2009
I had developed a simple gesture recognition library for Android (not for accelerometer; I mean touchscreen - finger gestures). I had to abandon it for quite a while, but recently I was able to clean it a bit and port it to 1.0 SDK. It is released under GPL. Here are some sample videos:
http://www.youtube.com/watch?v=C7A6OHWfSOE [url]
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Feb 25, 2009
I am working on an Android project I want to use as a base library for other Android apps. The base has its own set of classes and resources. I can create a jar containing all the base components and those are referenced properly by another project, but during runtime the base classes used in the new app cannot find the drawables used in the base project. Since there is a 'res' directory in each Android project, the new app cannot locate resources outside of itself even though it is the base classes trying to reference them. Are there ways to utilize or chain Android projects together? I want to include an external Android jar as a library in another project.
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Aug 30, 2010
I am writing an Android Library Project basing on Android Bitmap class (call it AndroindLib) which contains only utility class (no activity). I tried to test it using Android JUnit, but it keeps complaining that can't find the AnroidLib.apk What's the right way to Unit test Android Library Project?
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