Android : Build Shared Library (.so File) For Chm Reader In Droid?
Apr 1, 2010
In my application, I want to use chm library.
Can anyone tell me How to build shared library (.so file) for chm reader in Android?
And which toolchain is used. what is the steps for building it?
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Aug 26, 2010
How to code for reading a pdf file in android? i want to build an app like RepliGo reader. So, Please enlighten me to read pdf by using android sdk or ndk.
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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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Jul 9, 2010
I'm new to Android ndk and i didn't understand yet which are the differences between static and shared library. Could you explain me what these differences are? When developing a library how could i choose one of them?
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Jul 16, 2010
I have a cross-platform C library that I need to compile for Android as a *.so file. The library consist of many .c and .h files, and it use autotools as it's buid system. (./configure && make dep && make). Afaik, the library does not depend on other libraries, other than libc and OpenSSL (which should be present on Andriod).
I'm trying to find the simplest (read fastest in terms or not needing to read hundreds of pages of manuals and then apply try && fail brute-force approaches to complete the task) way of getting the library off my machine in source code form, and into the Android phones as a .so. The library will eventually be accessed from Java's native library interface. For development, I have both Windows and Debian machines on my desk.
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Mar 22, 2010
After installing the smokedglass v6 rom, it deleted some apps, when i try to reinstall the apps that got deleted, i got an error that says "Installation error, Missing shared library." i went into manage apps to make sure they aren't there, and i used root explorer to delete any trace of the apps, yet i still get this error.
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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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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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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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Nov 11, 2010
I am taking over a project, and am trying to launch it in the Android Emulator. I get the following error in Logcat:
11-11 06:21:42.215: ERROR/PackageManager(58): Package com.android.xxx requires unavailable shared library com.google.android.maps; failing!
Console displays:Installation error: INSTALL_FAILED_MISSING_SHARED_LIBRARY
How can I make sure com.google.android.maps is included in my project?
UPDATE:I am using a min sdk level of 3 in my androidmanifest.xml:
CODE:............
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Aug 3, 2009
we're developing applications that will use a single 'shared library' jar file. the jar file will be packed as part of the operating system (built & packed by us)several trials & errors & manual readings had led us to the conclusion that for our projects (both shared lib & dependent apps) to correctly compiled they must
(a) reside UNDER the mydroid source root and
(b) be compiled with the same java version as mydroid.
both a & b are somewhat inconvenient for us (the latter a bit more). is there a way around them?
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Dec 7, 2009
When i tried to execute my project. It is showing error as:- Package pack.com requires unavailable shared library com.google.android.maps; failing!
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Apr 14, 2010
I am currently moving from Xcode and iPhone development to Android with Eclipse. I want to have a shared code project so that I can store all the code to be shared across apps in one common library. However it would appear that the only android project available is for applications and not for code libs how can i achieve this?
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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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Sep 29, 2010
I'm getting an error when trying to use an external jar file to access Forward facing camera in Android. But when we try to load, i get error ""Installation error: INSTALL_FAILED_MISSING_SHARED_LIBRARY" on my console window of myeclipse.
"
when i saw a log file, the error was "unavailable shared library com.sprint.hardware.twinCamDevice"
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Mar 12, 2009
I'm trying to debug native library (in particular, libril.so). Everythig is going fine, breakpoint is being hit, I can go thru the lines of RIL_onRequestComplete() function. But when I tried to print out particular struct I got,
(gdb) print pRI $2 = <value optimized out> (gdb) print pRI->pCI $3 = (android::._115 *) 0x613 (gdb) print pRI->pCI->requestNumber Cannot access memory at address 0x613
I suspect it could be due to optimization done by compiler. But when I tried to add,
LOCAL_CFLAGS := -g3 -O0
into makefile of the lib, I've got another problem when I cannot correctly set breakpoint on desired function. Instead of correct one,
(gdb) break RIL_onRequestComplete Breakpoint 1 at 0xae402e4e: file hardware/ril/libril/ril.cpp, line 1800.
I got,
(gdb) break RIL_onRequestComplete Breakpoint 1 at 0xffffab44: file bionic/libm/src/s_tanf.c, line 42.
Does anybody know what could be a problem, and what is the right way to handle this?
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Aug 30, 2010
Use adb logcat, DDMS, or the DDMS perspective in Eclipse to look at LogCat and examine the stack trace associated with your error.
- Hide quoted text -
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Sep 14, 2010
I would like to know why the size of my shared library .so is bigger than my .apk file generated with Eclipse? Approximatly the so size is twice the apk one. What is strange is after having installed it in the device (2.1 firmware) I checked the size of the apk when I uninstalled it from the device and surprisingly the apk size indicated is bigger even than the .so one. Is there any explaination of that?
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Apr 9, 2010
I'm using an ant build file that has been generated by android. Our Android application requires a JAR file that lives inside the lib folder of our project, so I need to adjust the classpath that ant is using when it builds stuff.
When I run:
ant -lib lib debug
the project builds just fine, but this should really be inside the build file itself. The build file that android generates references the android_rules.xml so a lot of this stuff is automated. I guess my question, what the best practice here when working with the Android build rules ?
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Jun 20, 2012
I am looking for a music application for android that will allow me to stream from my music library that is on my NAS. I can share my music via CIFS/SMB, NFS or iTunes server. HTC Vision
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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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Aug 21, 2010
I attempted to use the new build.prop file to fix the market issue where some paid apps were not found for download.
Here is the process I used:
Download build.prop, place it on SD card. Use Root Explorer to copy build.prop into system/Deleted old build.prop file from system/ (I made a copy of the original and placed it in a folder on my SD card as a backup) Turned phone off. Turned phone back on and got to the Motorola logo, then the screen is black (backlight is still working, the screen is technically on, there just isn't anything on it).
Phone never gets to the boot animation and will not boot back up. Anyone know how I can fix this without having to flash the SBF 2.1 file again and re-root, install 2.2 update.zip, and download/setup all of my apps?
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Sep 7, 2009
I have my own custom library apk file (say lib.apk) & i want make it available to other applications.
How to provide the uses-library in the android manifest.xml file in other apps so as to use my custom library.
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Sep 8, 2010
I need to write ant build file for my project. Do anyone have an idea about how to write ant build file for android.
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Jul 19, 2010
I need to provide some SDK as third party library for other applications. We don't want to open our source code. How could make a jar file?
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Nov 3, 2010
I am trying to find a News Reader and find that most of them seem to rely on feeds from Google Reader and seem not to recognise UK based feeds (or at least I cannot find the same feeds that I used on my iPhone).
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Feb 4, 2010
I have a static library: libhello.a and I want to create a executable file that link with this static library:Code...
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Apr 15, 2010
Building our Android app from Ant fails with this error:
[apply]
[apply] UNEXPECTED TOP-LEVEL ERROR:
[apply] java.lang.OutOfMemoryError: Java heap space
[apply] at java.util.HashMap.<init>(HashMap.java:209)
[apply] at java.util.HashSet.<init>(HashSet.java:86)
[apply] at com.android.dx.ssa.Dominators.compress(Dominators.java:96)
[apply] at com.android.dx.ssa.Dominators.eval(Dominators.java:132)
[apply] at com.android.dx.ssa.Dominators.run(Dominators.java:213)
[apply] at com.android.dx.ssa.DomFront.run(DomFront.java:84)
[apply] at com.android.dx.ssa.SsaConverter.placePhiFunctions(SsaConverter.java:265)
[apply] at com.android.dx.ssa.SsaConverter.convertToSsaMethod(SsaConverter.java:51)
[apply] at com.android.dx.ssa.Optimizer.optimize(Optimizer.java:100)
[apply] at com.android.dx.ssa.Optimizer.optimize(Optimizer.java:74)
[apply] at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:269)
[apply] at com.android.dx.dex.cf.CfTranslator.translate0(CfTranslator.java:131)
[apply] at com.android.dx.dex.cf.CfTranslator.translate(CfTranslator.java:85)
[apply] at com.android.dx.command.dexer.Main.processClass(Main.java:297)
[apply] at com.android.dx.command.dexer.Main.processFileBytes(Main.java:276)
[apply] at com.android.dx.command.dexer.Main.access$100(Main.java:56)
[apply] at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:228)
[apply] at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:245)
[apply] at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:130)
[apply] at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:108)
[apply] at com.android.dx.command.dexer.Main.processOne(Main.java:245)
[apply] at com.android.dx.command.dexer.Main.processAllFiles(Main.java:183)
[apply] at com.android.dx.command.dexer.Main.run(Main.java:139)
[apply] at com.android.dx.command.dexer.Main.main(Main.java:120)
[apply] at com.android.dx.command.Main.main(Main.java:87)
BUILD FAILED
Ive tried giving Ant more memory by setting ANT_OPTS="-Xms256m -Xmx512m". (This build machine has 1Gb RAM). Do I just need more memory or is there anything else I can try?
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Sep 28, 2009
I want to build the .apk file from java binary file (.class) or .dex file. I have copied the bin+res folder and Manifest.xml file to a specified folder. and run the command :[apkbuilder.bat %FILE_NAME% -rf "./src_folderr"]. This command build the new .APK file with default keystore. But I want to build the APK with me generated keystore, with command line as this :[apkbuilder.bat %FILE_NAME% -rf "./src_folder" -storetype path_to_my_release_keystore.keystore] but it can not find my keystore with "java.security.KeyStoreException : release.keystore not found". How can I build APK file with my keystore file?
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Sep 30, 2010
How can I build and signed (keystore) the .apk file using 'apkbuilder.bat' via windows command-line? I try to run the following line: apkbuilder.bat %APK_File_Name% -u -z %Project_Path%in esources.ap_ -f %Project_Path%inclasses.dex -rf %Project_Path%. But I'm getting the following exception: java.lang.ArrayIndexOutOfBoundsException: 1 at com.android.sdklib.build.ApkBuilderMain.main<ApkBuilderMain.java:61>.
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