Android :: Add Core Java Libraries

Dec 26, 2009

I have to add java libraries javax.xml to the my android project, while I am trying to add them it shows the error "Conversion to Dalvik format failed with error ".

Android :: add core java libraries


Android :: Core Library - Java.beans.PropertyChangeListener

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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Android :: Work Around Missing Java Libraries

Nov 24, 2009

I'm attempting to port a normal Java program over to Android, however I am having a problem with a huge number of missing Java packages (e.g., Android Java does not have java.lang.management). Is there a way for me to work around this, such as by adding the Java modules that I need?

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Porting From Java Using Swing And AWT Libraries Into Android

Nov 8, 2012

I currently have an application using the libraries swing, swing.table, and awt on a java applet that I have running. I want to know what are the steps to get the application running as a native android app. I heard that I could use programs like Phonegap to just release a web based app for multiple platforms, but I am new to Android Programming (so far I just made a Hello Android app). I searched swing and awt, but I could not find any useful info.

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Android : How To Trace ContentProvider - Under The Base/core/java/content

Mar 16, 2010

I am now reading contentProvider.java( under the base/core/java/android/content)

Ln 127 looks following:

CODE:..........

I'm really confused about that contentProvider invoke this.query()

CODE:.................

where is it implement? How can i find it? anyone can tell me?

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Android :: Simple Shape Recognition Libraries For Java

Mar 16, 2010

I am working on a on-screen keyboard for Android, and I need to recognize starting points, turning points and end points of lines drawn by the user on the keyboard. A simple straightening function would be nice, as it is difficult to draw a perfectly straight line even with a stylus, not to mention finger-only touchscreens today.What I am trying to write is something like Swype. Any good libraries that I can use or make reference to?

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Android :: Develop Using Libraries In Simple Java Project - Without Using Dalvik And Such

Oct 9, 2010

As I am very pissed off of using the emulator to develop any Java class, I thought of setting up a project in Eclipse and instead of the usual JRE I linked to the Android.jar (version 2.1) that usually the Android projects link to. I don't mean to use this to develop Layouts or other specific platform things, I was just trying to create a class that uses HttpClient.

It miserably crashes like this.

CODE:.............

I mean I'd like to develop libraries (and test them) so that when I go to the emulator I don't have to deal with them. Is there a good way to do this? This seems not to work for some reason.

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Android :: Pure Java Video Endcoding/decoding Libraries

Nov 18, 2010

Does anyone know of any video encoding/decoding libraries written entirely in java? Bonus points if it works on Android. I'm trying to write a video decoding application for android, where I have access to the frame level decoding functions (which is absent in the android API MediaPlayer class)

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Android :: Java Validators Libraries To Validate Text Input From Droid App?

Sep 30, 2010

Is there any Java validator libraries i can use to validate text input from an android app?

i know that in spring there are validators for various different types such as checking if a value is a int, if a value is a valid email, etc etc.

Anything similar in core Java or even android?

cheers in advance. i don't want to re-invent the wheel if its already been implemented. i could always sue Java reg expressions to construct my own ones but was wondering if their was one done specifically for email formats.

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Android :: Build Error Build/core/java.mk:20 On 2.2

Jun 24, 2010

I downloaded the Android 2.2 source code and try to build it. When I executed the make command, I got an error here like this build/core/java.mk:20: *** frameworks/ex/common: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. Then I changed the frameworks/ex/common/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7. Next place, build/core/java.mk:20: *** external/jsr305: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. I changed the external/jsr305/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7

Last one, build/core/java.mk:20: *** external/guava: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. I changed the external/guava/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7
By these changes the code started the compilation.

1. Why the error occured?
2. Changes which I did is correct or not?

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Android :: Which Java Libraries Are Not Included In Android?

Jul 1, 2010

Hi Android Developers, "Android includes a set of libraries which provide MOST of the functionality of the Java libraries". Does anyone know what is ment by MOST and which libraries are NOT supported compare the the JVM?

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Android :: MIDI On Android: Java And AIR Libraries

May 26, 2010

I've been contemplating (re)building an app on iPad for some time, where I would use objective-C and DSMI to send MIDI signals to a host computer. This is not bad (I mean, except for actually writing the app).Now I'm contemplating perhaps developing the app for Android tablets (TBA).In Java, what options are available for MIDI message communication? I'm quite familiar with javax.sound.midi, but then I would need a virtual MIDI port to send messages to the host.On the other hand, if the app were done in Adobe AIR, what options would I have available for communicating with MIDI?Obviously another option is to send/receive messages over a TCP/IP socket to a Java host, and talk that way, but it sounds a tad cumbersome... or perhaps not? DSMI does use a host program, after all.

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General :: Install Quad Core Firmware On Dual Core CPU?

Feb 12, 2014

I just want to know a couple of things (NOT that I would ever try this myself but im interested in the info).

1) Is it possible to install quad core firmware on dual core tablet?

2) Is it possible to 'spoof' the android system into thinking 2 CPUs are 4?

3)If you install dual core firmware on quad core machine will 4 cores or 2 show up?

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Android :: Extend Core Apps In The SDK

Jul 15, 2009

I know this topic has been covered a lot, so apologies if this is redundant. I would like to work in the SDK and simply extend a core app that already exists, and then override some functionality. For example, I would like to extend Contacts, but then overwrite the entire ContactsListActivity class, for my own experimental MyContacts.apk.

In this youtube video: http://www.youtube.com/watch?v=3aUjukCdPyQ

Dianne talks about the ringtone picker, did she just extend the core ringtone picker and work in the SDK?

I DO have the entire platform source code, and have made some changes to core apps there, but rebuilding takes awhile (even useing mmm, and snod), so I was hoping to speed up development by working in the SDK (where building and running the emulator seems to go faster). Not sure if this is realistic or not.

This is all just for some internal experimentation, I am not looking to contribute the the core apps.

In another post, someone had referred to ".... classes available in the SDK....". How can we see what classes we have access to, in the SDK.

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Android :: Where To Put - Core-libary Option In 1.5

Jun 15, 2009

I want to pass the build process the --core-libary option. But in ADT I don't see such an option. So in Version 1.1 --core-library could be inserted into the build.xml and build was successfull when using ant. It looked like this:

CODE:..........

In 1.5 build.xml as well as the hole build process was heavitly altered. Now even the dx.jar is gone. The build.xml works differently, and I dont see where to put --core-library. There is also no documentation for where to put it.

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Android :: Org.eclipse.wst.sse.core 0.0.0' But It Could Not Be Found

Nov 22, 2010

I'm installing the Android SDK on a fresh installation of Fedora 14 (Linux).

I installed eclipse, and ran the tools/android sdk tool to install all the Eclipse components for the SDK.

I was able to get DDMS to install when selecting it by itself.

And for the last component - the Android developer tools, I'm getting the ugly error message pasted below.

Now I'm Stuck in Eclipse dependency hell.

I've searched through the available packages in Fedora and I can't find the one that has the files necessary to satisfy this Eclipse dependency...

Can anybody please translate what it is that Eclipse is asking for and what Fedora package it lives in?

The error:

Cannot complete the install because one or more required items could not be found.

CODE:.................

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Android :: Added Core Library

Apr 23, 2010

I am using Eclipge Ganymede for Android. While developing a project i clicked on FIX PROJECT option by mistake. Then the whole project started showing an error. I have been displayed the following log in the console...

trouble processing "java/math/RoundingMode.class": [2010-04-23 17:24:29 - Gorinka2] 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. [2010-04-23 17:24:29 - Gorinka2] 1 error; aborting [2010-04-23 17:24:29 - Gorinka2] Conversion to Dalvik format failed with error 1

Now i couldnt run the run. Its showing errors. So, help me out in setting my project to normal state...

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Android :: Include A Core VM Class In Something Other

May 27, 2009

I am using Android SDK 1.1 Intellij idea plugin Android_Support_6812.zip

Everything was fine. But now, error occurs during run application from idea . I am not using external libs, only android sdk. But application compliled and deployed fine using ant.

CODE:................

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Android :: Core Library Error

May 8, 2009

When i am including the jaxp jar file i am getting the error as follows

Trouble processing "javax/xml/XMLConstants.class": [2009-05-08 16:53:18 - TestProject]

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.

CODE:..............

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Android :: Libraries STILL Not Working

Sep 10, 2010

I was really excited today when I saw the Tools r7 and ADT 0.9.8 were available and the latter had this note;

Fixes problems with handling of library project names that contain characters that are incompatible with the Eclipse path variable. Now properly sets up the link between the main project and the library project.

I create the library (foolib - no spaces, no caps, no punctuation). So far so good. I go to the main project, go to preferences --> Android. In the library box I add the new library. It appears. I press Apply. I press OK.

Nothing happens.

I return to the preferences, the library is no longer there JUST LIKE BEFORE.

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Android :: OpenGL ES Libraries

Jul 13, 2010

I looked around for info on this in the group but couldn't find any... so far in my OpenGL programming I've just done everything directly, but I was curious if anyone had written any "wrapper" libraries for it besides min3d. Min3d is great (or is getting there) but it's GPL'd, making it unsuitable for a commercial product (if my understanding of the license is correct).

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Android :: Using Gdbserver And JNI Libraries

Oct 15, 2009

We have been using gdbserver to debug our JNI code as follows. We have been less than successful -- breakpoints do not always get activated, sometimes we get SIGILL, and we seldom ever get a useful stack when the debugging stops on SIGSEGV, sometimes the program dies with SIGTRAP!!!

We have occasionally been able to have debug sessions with s/n, but since pretty much every SEGV has resulted in either a damaged stack, or at least, gdbserver can not find the stack, it's a pain.

Is there something we are missing? Is there some reason to use the 4.2.1 vs 4.3.1 toolchain? (Why are there two toolchains? I assume because of bugs in each that are fixed in the other... which bugs?)

We guessed that the "dalvik" process that we wanted to debug was app_process --- we found this out by looking at /proc/XXX/cmdline on our running activity.

This is what we do typically do(repo sync directory is in /build/m1 for me)

invoke:/build/m1/prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi- gdb

(some of us use -tui, some of us run it under Xemacs, etc.)

We then do:

CODE:..........

We then start our activity, adb shell, discover the PID of the activity, discover the IP of the phone with "netcfg", and:

app_15 1815 49 107468 15744 ffffffff afe0d4a4 S org.credil.thomas_watson.videophoneservice

# gdbserver 0.0.0.0:1234 --attach 1815 Attached; pid = 1815 Listening on port 1234 Remote debugging from host 132.213.238.4

(gdb) target remote 132.213.236.179:1234

This is with a physical device. With an emulator, one has to, of course, run the adb forward stuff. (Too bad that doesn't work with a real device too, as then I would not need to run gdb over the wireless)

Program terminated with signal SIGKILL, Killed. The program no longer exists. (gdb) target remote 132.213.236.179:1234 Remote debugging using 132.213.236.179:1234 Error while mapping shared library sections: /system/bin/linker: No such file or directory. warning: .dynamic section for "/build/m2/out/target/product/generic/ symbols/system/lib/libc.so" is not at the expected address (wrong library or version mismatch?) ... many more GDB will be unable to debug shared library initializers and track explicitly loaded dynamic code. tkill () at bionic/libc/arch-arm/bionic/tkill.S:52

(gdb) break sendframe Breakpoint 1 at 0x80401086: file /build/m1/packages/apps/ VideoPhoneService/libvideophoneservice/src/rooster.cpp, line 96.

(gdb) c Continuing.

Program terminated with signal SIGTRAP, Trace/breakpoint trap. The program no longer exists. (gdb)

(btw, an annoyance about googlegroups is that it seems that it looks at my SMTP from header, rather than From:... This basically means that I can not post from gmane.org via NNTP, which is a shame. Is there a secret NNTP access on googlegroups.com, I wonder?)

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Android :: FootPrint And Its Various Libraries?

Jun 17, 2009

I need to know the footPrint of Android and its various Libraries

- Hide quoted text -

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Android : Possible To Use Native C/C++ Libraries?

Apr 1, 2009

Is it possible to use a native C/C++ library? If so, are there any restrictions for those libraries to be used?

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Use C++ Libraries When Developing For Android?

Oct 14, 2012

I'm currently making a purely math and algorithm-based C++ library. Will I be able to use it when developing for Android? How? I guess writing some Java wrappers, but will it then be usable on all JVMs?

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Android :: Upcoming Dual Core Releases?

Oct 26, 2010

Anyone hearing any news on upcoming dual core releases. I'm eligible for upgrade on 12-1-10 but if something new is coming out I'd wait a few months. I'm with sprint and would like to stay with them, hoping they will have one of the new dual core releases.

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Android :: Core Tests Coverage Report 0%

Dec 12, 2009

We ran core tests by the command "/development/testrunner/runtest.py - v --coverage core" and got coverage report successfully. But the reports says all are 0%. We ran apidemos and got coverage report which looks good.

Below is the console output for core tests:

CODE:.............

So I wonder why core tests's coverage report says 0% and how can I make the report make sense.

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Android :: Building Core For Custom Hardware

May 26, 2009

I will be soon working on porting Android OS to some custom hardware. Has any one in the group done this before? If yes, what are typical guidelines, roadblocks to watch out for?

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Android :: How To Debug Core Apps Like Settings

Jul 30, 2010

How do I build and debug the cores apps in Android source tree, like AlarmClock and Settings, located under:
${ROOT}/packages/apps?

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Android :: Call Java File On Click In Another Java Class?

May 19, 2010

i have two files

App.java
Gallery.java

App. java contains frontend buttons and functionalities Gallery.java lists the imagesin the sd card. i want to call Gallery.java in click event in app.java

App.java
package gallery.display;
import android.app.Activity;
import android.os.Bundle;
import android.view.View.OnClickListener;
import android.view.View;...........

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