Android :: Set Android Application Dependency From Custom Java Library
Apr 2, 2010
I using Eclipse Gallileo to develop Android application and Java library for this application. Please, help to set Android application dependency from my custom Java library rightly. I want this library automatically build if necessary and be included to .apk file.
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Sep 5, 2010
Is there any ready library to read ePub format? I found ePublib in
http://github.com/psiegman/epublib. I'm still learning how to use it. I wonder if there is ePub jar which ready to use for read ePub format in android.
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Apr 8, 2009
I have developed bluetooth application where native library will be initiated by Java application (using JNI wrapper). JNI will call the entry function of the native library and then it will create Pthread to for scanning the device. Once Scanning is over, i will get the callback which i registered during the entry function of the native lib (called by app). But i haven't received the callback, but if i run the same native library in the shell (executable from the shell terminal) it is working fine. Can any one help me, if there is any specific architecture needs to follow while developing Java application based on native lib?
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Aug 8, 2010
I followed the instructions here on how to create an Android library project, and use it in an Android application:
http://developer.android.com/guide/developing/eclipse-adt.html
But it is not working. I can see the library project is added to my application but I cannot reference anything in it because it won't build. The R.java file from the lib is NOT being added to my application project, so the lib project contains tons of errors, everywhere it tries to reference it's own R.java file.
I don't know if this has anything to do with it, but in the console there are messages stating that the there is "No resource identifier found for attribute 'X' in package 'Lib Package'. My library package has a a few styleable attributes defined for a custom view I made, all of which are being complained about in this console message. The library builds just fine, and I don't get those messages in the console until I hook the library to my application, so I don't know what's up with this.
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Aug 12, 2009
I'm trying to create an app for Android that simply sends a command to an SSH server. No response needed, I just need to be able to send a command. I was wondering if there's any java library out there that I could use? No advanced stuff needed, just a pure connection to send the command.
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Nov 11, 2010
I don't want to code things that already exist.
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Jun 30, 2009
I would like to build an app that OCR a pictures and get text from them. What java library should I use?
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Oct 29, 2010
Is there a Java yaml library as good as snakeyaml for Android? (Or is anyone successfully using snakeyaml on Android already?)
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Aug 7, 2010
I'm writing a JNI library for a game. I have java code that I want to replace with functions from the library. Is it true that most of the devices out there are compatible with my code if I compile it for the default arm processor, or will I find that there are many devices out there that my library won't run on? What I'm asking is, should I maintain java code that does the same thing as my jni library for compatibility purposes, or is it safe to have jni libraries alone? How large is the group of devices that cannot use the libraries I write? Where are there stats regarding what population is using processors other than the arm processors?
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Mar 17, 2009
I need to build a java.beans.PropertyChangeListener which is part of JDK (rt.jar) but not part of Dalvik.
Trying to copy the sources to my Application I get this:
Attempt to include a core VM class in something other than a core library. It is likely that you have attempted to include the core library from a desktop virtual machine into an application, which will most assuredly not work. If you really intend to build a core library -- which is only appropriate as part of creating a full virtual machine binary, as opposed to compiling an application -- then use the "--core-library" option to suppress this error message. If you go ahead and use "--core-library" but are in fact building an application, then please be aware that your build will still fail at some point; you will simply be denied the pleasure of reading this helpful error message.
My solution: 1) build a core library with consisting out of java.beans.PropertyChangeListener 2) integrate that library (jar?) into my application.
My question: - how can I build a core library using eclipse?
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Feb 9, 2010
I'm an Android Developer and as part of my next app I will need to evaluate a large variety of user created mathematical expressions and equations. I am looking for a good java library that is lightweight and can evaluate mathematical expressions using user defined variables and constants, trig and exponential functions, etc.I've looked around and Jep seems to be popular, but I would like to hear more suggestions, especially from people who have used these libraries before.
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Aug 28, 2010
I'm making an android client for a web site. my app have to go through the website, parse HTML, post some forms, send HTTP requests etc. What library covering all this stuff you recommend me to use ?
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Apr 27, 2010
I have an existing C++ library that I want to compile into a static library, and call commands from it with Java on the Android platform. I am brand new to Android development, and just need to figure out how to set the Java interface up so my C++ lib works on the Android. Where do I start?
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Nov 12, 2010
I need a library in java that can take HTML content and generate text in the same format that is generated by the Linux lynx program.
That's it. Reasons below if you care.
I need to expose data provided by 3rd party servers to end users on Android. Data format is ancient, in badly formatted HTML, so much that I've tried reading it using java and it fails occasionally (unacceptable). It is also growing every month (preinstall ruled out) and I can't convince them to change to "modern" stuff (life would be great in XML etc.).
Shortest route: I wrote a class to use the W3 html2txt service online (google search it). It worked fine on the app until I got complains and noticed that the W3 service fails occasionally. It's not that big of a deal, but the black box logic expects the output to be in this "lynx like" text format.
So I would like a library to do the conversion (HTML->TXT) in "lynx style" inside the app and avoid the outages in the W3 service. And besides, the lynx output the probably the best I've seen, the most organized and neat.
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Jan 11, 2010
I'm using the Android Development Toolkit (ADT) in Eclipse Galileo. I've created a project in which to develop some util classes, which I intend to use in several upcoming Android projects. However, when I come to use these util classes (deployed as a jar and included in the Android project as a user library), I get a java.lang.VerifyError during the startup of the emulator. Can I force the verification of these library files, or do I need to include them as part of the Android project, and not as an external jar?
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Aug 2, 2009
Do you know a library or method to serialize / deserialize Java bean to json in android?
how i can introspect a javabean and fill its fields?
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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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Jul 8, 2010
Having custom attribute (in attrs.xml) in library project leads to compilation fail of the project dependent of that library.Code...
How to avoid this except for no having custom attributes in library?
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Dec 1, 2009
Is it possible to create a custom library in android (having its own layout resources) for use across several android applications?
I created a regular *.jar file but when I tried to create/style my views dynamically most of the properties do not work. Even referencing simple styles from the android.jar file such as android.attr.listSeparatorTextViewStyle did not work.
I created an android project without any Activity, having its own resource files and then referenced this project from another Android project to use in its build path. Everything seems to work fine but the emulator keeps crashing (with no meaningful error message in the LogCat) when I try to run the project.
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Apr 8, 2013
Is there a Java library for colourings text in an EditText? Or is this just accomplished with Regex? I looked into Google Prettify but that seems to be for static text.
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Jul 29, 2009
I want to use ksoap2 library on my application and i got a ksoap2 library from http://code.google.com/p/ksoap2-android/ i add it as an external library but my application will crash when it need to use the library.
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Aug 9, 2010
I have a legacy application and need to split it into a library project (common code) and two application projects (paid and free applications). I don't use Eclipse for development, and also don't use Ant builds provided (generated) by Android SDK (there are several reasons for that: different project directory structure, unit tests integrated into the build, integration with CruiseControl, automatic builds numbering etc), but use our custom build files instead.
I need to modify my Ant builds to make them build my applications projects that refer my library project. I looked into sample application and Ant builds shipped with SDK, but didn't understand how it is done. I saw that library project contains "libs" directory and "default.properties" file with "android.library" property set to "true". I saw that applications project contains "default.properties" file with "android.library.reference.X" property set to library project directory value. But I didn't find any reference to these properties in the Ant builds (project Ant build file, and Ant builds shipped with SDK). Just placing these files into application/library project directories doesn't help, i.e. SDK tools doesn't interpret them.
My guess is that this is performed by com.android.ant.SetupTask, but I'd like to know how it is performed. My build is set of targets that call (using exec) Android SDK tools: appt, dx, apkbuilder and so on. So I'd like to know which command line parameters I need to use to make, lets say, appt tool to merge resources?
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Aug 7, 2010
I've been trying to do this now for 2 whole days, and am about to give up. I followed the instructions here:
http://developer.android.com/guide/developing/eclipse-adt.html
but it is not working. I can see the library project is added to my application but I cannot reference anything in it. Also the R.java file from the lib was NOT added to my application, so the lib project contains tons of errors, everywhere it tries to reference it's own R.java file (most likely the cause of the former).
Also, in the console there are messages stating that the there is "No resource identifier found for attribute 'X' in package 'Lib Package'. The library builds just fine, and I don't get those messages in the console until I hook the library to my application.
You would think that creating and referencing a library would be a simple thing to do, as it is in most other projects, but this is turning into a real nightmare.
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Dec 23, 2009
I am a brand new developer to Android. I wrote a pretty simple application that uses the gesture library. The application itself seems to run fine in the simulator. However, when I installed the application on my Google Dev Phone 1 (G1) last night, it doesn't seem to work. I've upgraded my G1 with the 1.6 image from the htc developer site. I see the first screen/activity for about a second and the application exits without and errors. Here is what my manifest looks like:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.blahblah" android:debuggable="true"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="4" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_CONTACTS">
</ uses-permission>
<uses-permission android:name="android.permission.CALL_PHONE">
</uses- permission>
<application android:icon="@drawable/icon" android:label="@string/ application_name"> <activity android:name="Gesture1Activity"
android:label="@string/application_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="Gesture2Activity"
android:label="@string/label_gesture_list" />
<activity android:name="Gesture3Activity"
android:label="@string/label_create_gesture" />
</application>
</manifest>
Here's the output for logcat:
D/AndroidRuntime(860): D/AndroidRuntime(860): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< D/AndroidRuntime(860): CheckJNI is OFF D/AndroidRuntime(860): --- registering native functions --- I/jdwp (860): received file descriptor 20 from ADB D/ddm-heap(860): Got feature list request I/ActivityManager(101): Starting activity: Intent { flg=0x10000000 cmp=com.blahblah/.Gesture1Activity } D/AndroidRuntime(860): Shutting down VM D/dalvikvm(860): DestroyJavaVM waiting for non-daemon threads to exit E/AndroidRuntime(860): ERROR: thread attach failed D/dalvikvm(860): DestroyJavaVM shutting VM down D/dalvikvm(860): HeapWorker thread shutting down D/dalvikvm(860): HeapWorker thread has shut down D/jdwp (860): JDWP shutting down net... D/jdwp (860): +++ peer disconnected I/dalvikvm(860): Debugger has detached; object registry had 1 entries D/dalvikvm(860): VM cleaning up D/dalvikvm(860): LinearAlloc 0x0 used 677572 of 4194304 (16%) W/InputManagerService(101): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub $Proxy@439a9eb8
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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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Jun 18, 2010
I'm trying to set up an Android application with an Android library project dependence in Eclipse. I've set up a project called AnTest and a library project called AnLib. I've provided a reference to AnLib in the project properties of AnTest. Now I'm trying to refer to some library code (a static public method) from AnTest. Eclipse throws "com.anlib.Hello cannot be resolved to a type".
And it's not that the reference is dangling - I can see the resources properly merged. But from within AnTest, the only class in package com.anlib is "R".I've added AnLib to the Java build path/Projects in AnTest project properties. Now it compiles, but running throws a NoClassDefFoundError exception.
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Mar 31, 2009
Dears Is there any Library and classes that enables writing a NetMonitor application for 3G & Wifi like in Symbian phones? Android.net.wifi and android.net seems haven't enogh functions to do that.Are Android Kernal developers willing to set such Network functionalities as Symbian & Windows Mobile have.
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Oct 29, 2009
After getting comfy with the Android 2.0 environment and emulator (for the most part), I took the next step to bind <myapp> against the latest Android 2.0 jars: android.jar and maps.jar. The existing code (working in Android 1.6) did not need any changes to compile, but the app doesn't build due to a weird error message that prevents the build. See snippet below, drawn from the Eclipse Console. I have no aspirations to run up against any core library classes, and I am not aware I do. In other words, I am not implementing SealedObject (or any other core class that I am aware of) that would run up against Dalvik. Not in the javax, java or any other namespace. Anybody got any pointers what's going on here?......
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Apr 16, 2010
I want to know how to know the dependency between applications. Calender needs CalendarProvider, Phone needs TelephonyProvider etc And more complex example is that com.android.music depends on android.process.media and /system/bin/mediaserver.
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May 10, 2010
i have couple of appz(diffrent apk's), and i run activities from one app to another.my target is to avoid package depndency between them, in case in the future i want to upgrade or compile one package without the absence of another.the problem is that: without setting the dependecy between eachother(eclipse: buildpath->projects), i cant fire the intents, i`am getting error:"Unable to start activity component..."
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