Android : Create Native Shared Lib

Oct 26, 2009

I'm trying to create a shared lib written in c++. I followed all the steps which are recommended to create the shared lib and to access the native code in Android. But so far I couldn't succeeded in loading the shared lib on device or emulator. When I tried to load the lib by:

static{ System.load("/data/data/com.android/libnative.so");}

Android : Create Native Shared Lib


Android :: How Does Two Native Shared Library Communicated?

Mar 20, 2010

I am now writing a java application. On java side I use System.loadLibrary() to load my own native shared library( named a.so ). I want a.so can communicate with another native shared library(named b.so). When a.so and b.so are loaded in the memory, they belonged to 2 different process. I am not familiar with IPC in android and binder mechanism. How can I do to make a.so communicate with b.so?

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How To Replace Native Shared Library

Jan 24, 2012

I would like to extend the functionality of one of the shared native libraries called from within the android.jar code. How can I rebuild the affected shared libraries such that the android code can utilize my modifications?

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Sprint HTC Hero :: Shared Google Calendars With Native Calendar App

Nov 14, 2009

Are any HTC Hero owners able to see events on Calendars that are Shared from Other gmail accounts. In the native calendar app on the HTC Hero?I have been trying to determine if this is a limitation of the Calendar Application or a miss configuration my end. I have seen Android phones that can view subscribed calenders from other users before, but I am the only person I know to own a HTC andriod phone and on the Hero I can not see any of my subscribed calendars.The gmail account tied to the the HTC hero has 6 calendars created through gmail interface. A short view of the accounts is listed below as an example of my problem.

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Android :: Force To Create A Shared Jar Library?

Jul 30, 2009

I have several apps (each in its own apk, process etc) running at the same time on user's device.

these apps are all linked to a single common jar file (internally devloped) which contains a large portion of their overall code size.

is there a way for me to force Android to make this common jar load only once (e.g. into shared memory)?

the reason we want to do it this way, btw, are to reduction of each of the single apps memory intake, on disk footprint and possibly of their startup time.

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Android :: Load Native Library Which Depends On Third Shared Library

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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Android :: Programming Language To Use To Create A Shared Codebase Between Two Platform?

Apr 21, 2010

I'm planning to develop a game for iphone and android. what programming language can i use to create a shared codebase between the two platform. i understand that there are some parts which are device specific.

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Android :: Create Droid Shared Directory With Read And Write Access On Phone?

Feb 17, 2010

How do I create a shared directory with read/write permissions to all applications installed on my phone and that is not on the sdcard?
I tried that :

File f = new File("/tmp");
f.mkdir();

but it is not working.

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General :: GT-I9300 - Create Symbolic Link Of Shared Folder

Nov 30, 2012

I would like to create a symbolic link of a shared folder in a folder that I have. How could I duo these in android? GT-I9300

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Android :: How To Create Native C++ Library?

Jun 30, 2010

I need to write a dynamic link library in C++ that is used by Java on Android. As I get, it should be .so library, but I don't know how to do that. I tried Cygwin, but it crashes: Code...

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Android :: Some Apps To Be Shared

Sep 17, 2010

I am using the "Mock location" apps in there. That is interesting and would like to share here.Propagation Systems Limited - Android Apps

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Android :: How To Package Shared Libraries In Apk?

Oct 14, 2010

I need to add few shared libraries to the andriod as part my application installation. Can you please suggest right information resources regarding the same.

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Android :: Calendar Events Gone But Is Still Shared?

Oct 10, 2010

My wife and I both have Android phones (EVO and Samsung Transform) and have the Google Calendars shared. All of the sudden, her calendar is completely empty and can't see mine anymore.But on mine, I still see all of her events and see it listed as one of my Calendars both in Google Calendars and on my phone.Everything looks perfect on my end but everything is back to square one on hers.Any ideas how to restore her calendar or what may have caused it.I am afraid that just starting hers over is going to start duplicating events in mine.

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Android :: How Can Get Actual Pre Shared Key To Application

Jul 5, 2010

I am building application related to WiFi using my Samsung Android Phone.Am trying to access the pre shered key to my application using WifiConfiguration class provided by Android. The getPreSharedKey() method returns only "*" if key is present and null if the key is absent.I need the actual the pre shared key. How do i obtain it?Is there any other method that I can use to get the key?

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Android :: Shared User ID And Signing

Nov 5, 2010

I am trying to have 2 applications which can access each other's data.I have a two test applications which I am experimenting with.I set the 'Shared user id' for each to 'com.gabysoft.sharedfiles'.However, when I sign the first app and try and install it, I get the error:

11-05 16:50:33.422: ERROR/PackageManager(61): Package com.gabysoft.sharedfiles1 has no signatures that match those in shared user com.gabysoft.sharedfiles; ignoring!

Clearly, I am not signing it correctly (I am using Eclipse's "Export signed application package" function).How do I properly sign the .apk file so that I don't have this problem?

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Android :: Deploying Shared Resources

Mar 23, 2010

We are investigating the possibilities to package & deploy platform UI extensions which can contain both Java code and resources - which then can be (re-)used by applications using <uses-library> tag in the AndroidManifest.xml. One solution which has been discussed was to use the aapt -x option together with the new --custom-package option introduced in November to generate unique resource identifiers for the shared resource package. Then, just as the <uses-library> information in the manifest file would bootstrap the class loader with the listed extension packages, it would add these packages to the asset manager as well - allowing the asset manager to locate and load the extension resources. (This would require a platform extension.)If this is a way forward - using the 8 package bits in the resource identifiers? This solution would probably work initially for one vendor since the allocation of unique package identifiers would be an internal issue, but if extension packages where to be exchanged within the android community there would be a high risk of packages using the same identifiers.

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Android :: Using Shared Preferences In Different Apps

Jul 28, 2010

I want to know how we can use shared pref in different application.

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Android :: Set Shared Preferences During Installation?

Sep 6, 2010

Does Android provide smth. like that OR do I have to check every time during start of my app "Oh, am I freshly installed? Do I have to initialize the Shared Preferences now?"

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Android :: Use Shared Preferences Between Activities?

Oct 29, 2010

I have a user preference in my app, which gets ued by different activity. I would like to know the best way to utilize those preferences between different activities in my App.

I have this idea to create a shared preference object from the main activity and from there send intents to the different activities to take actions. would it work?.. or just keep calling getsharedpreferences() from every activity?

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Android :: Shared Library Which Is Not JNI Based

Apr 22, 2010

I am developing a library for Android applications which does not use native code (JNI). I have tried suppling the library as an external jar in my Android projects but this method does not include the library contents in the apk and thus throws class not found errors when run in the emulator or device. I have also tried creating the library as an Android project in itself and this does work, but only for public static properties (not methods). With the library and application both being in separate apk's I can see that the VM notices references to the library and can read some properties, but when an attempt to instantiate a class in the library is executed I get class not found even though I can read the public static properties from it.

I realize that Davlik byte code is not the same as Java byte code but I am having trouble even finding good information about how to solve what would seem to be a very simple issue in Android. I am looking into the old PlatformLibrary stuff right now but I am not convinced this will work either since the sample has been removed from the Android site.

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Android : Shared Folder On SD Over Wifi?

Jun 25, 2010

Im wondering if there is an app or anyway to set a shared folder on the Evo's SD card that can be seen over wifi to drop files in? I have dropbox and IO Filemanager but that's a lot of clicking to move stuff out of the dropbox. I was hoping someone knew of an app that would setup a share over wifi.

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Android :: Retrive Key From Shared Preference?

Jul 22, 2010

I have a doubt, I don't know how to retrieve the key from the shared preference?

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Android :: Maximum Length Of Shared Preferences

Jul 29, 2009

I want to save a string with SharedPreferences class. The string is quit long. I really want to know the maximum length of a string that can be save in shared preferences in android.

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Android :: Creating Application Shared Libraries

Sep 16, 2010

Is it possible to install a java library in a folder and have this code dynamically linked into another program? In other words, i have a major code base that would be shared among different projects.Assume that all them are created with the same shared user id.

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Android :: When To Use Aapt Add For Shared Object Files

Jul 16, 2010

I need to carry over the "lib/armeabi" part as well. First off, is this the correct approach for add a 3rd party .so file, and if so, can I force it to preserve the dir structure? If I'm barking up the wrong tree, what is a better way to handle this?

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Android :: Creating Shared Preferences File In 2.0

Nov 17, 2009

Trying to create shared preferences for my class representing my api and one for my main class. I create a shared preference file by making this call in my api & main classes String PREF_NAME = "API"; this.pref = context.getSharedPreferences( PREF_NAME, Context.MODE_PRIVATE );

the log gives me this....................

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Android :: System Permission For Shared User ID?

Aug 24, 2010

I have a application. I write android:sharedUserId="android.uid.system" in AndroidManifest.xml. I want to get system permission. I install to HTC mobile phone. But install fail.error info: Package has no signatures that match those in shared user android.uid.system. In application I need android.uid.system, don't remove.

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Android :: Accessing Shared Preferences Of Another Application

Oct 24, 2010

Accessing the shared preferences of another application.

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Android :: Jar Files Shared By Multiple Apps

Oct 9, 2009

If there are multiple apps using the same jar file, it makes sense NOT to package the jar in EACH app. However since the jar file cannot be pre-installed on the device, what are other alternatives for developer.

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Android :: Export / Import Shared Preferences

Mar 25, 2010

I would need to export the shared preferences and load it on another device. Is this possible in a direct way somehow? (without exporting the keys one by one and writing to a custom file) Another question is that there is any XML parser which has the same functionality like SharedPreferences (getstring/addstring, getint/ addaddint etc.) and saves/loads the result to a path anywhere? (sdcard for example) I know SharedPreferences uses some xml's in the background but that xml is not readable as a file without admin rights as far as I know so it's not quite suitable for what I need.

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