Android :: Multiple Dependent Android Projects In Eclipse
Jun 14, 2010
I just started to play with android dev and java+eclipse is pretty new to me. I managed to create simple project and run it on my device. Now I want to create simple game (more of them actually) and I would love to use shared code base for all of them (game loop, initialization, etc..). Problem is that I have no idea how to correctly do this. I created android project called engine with all basic stuff that I need and made it work on device. Now I tried to create another project in same workspace called mygame. Main class (activity) of mygame is MyGameApp which inherits from EngineApp (main activity of my engine project) which inherits from Activity. I added engine project into required projects in mygame build path tab in properties. Problem is that when I try to run this project it crashes on ClassNotFoundException trying to find my MyGameApp class.
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Nov 11, 2009
Does anyone know of suggestions/recommendations on how to structure Eclipse projects in order to build an apk from multiple projects? I would like to share classes & resources (strings, layouts, etc.) across multiple apps. How to structure Eclipse projects to do such a thing!
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Mar 16, 2010
I have problems with the following: I want to create to applications. One with a Android service and one with a Activity that will use functions on the Service. Before I splitted this in to applications I got everything working in one application. I can call functions (that are definned in the aidl - file) on the service without problems.
Now the problems coms. I splitted the application into two parts, a Service application and Gui application. The bindins to the service (in the gui application) works and I see that the service is getting created. Then in the onServiceConnected function of the ServiceConnection class I created the following:
mService = IMyService.Stub.asInterface(service);
And this gives me the following exception:
03-16 13:53:05.549: ERROR/AndroidRuntime(881): java.lang.NoClassDefFoundError: MyPackage.IMyService$Stub
It looks like he can't find the Stub class in IMyService. But the Stub is part of the java file generated out of the aidl-file. Why I get this exception or how I can resolve this?
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May 5, 2009
I have 2 projects in the following layout
MainActivityProject -> BaseProject
(i.e. MainActivityProject depends on the other project). Both are android projects created with the eclipse "New Android project functionality) however, the BaseProject does not have an activity defined. However, in BaseProject I define an activity base class where MainActivityProject's Activity derives from. This used to work fine up until 1.1 but now with the 1.5 SDK I get ClassNotFoundExceptions when launching the app.
Any suggestion on how to fix this? I obviously dont want to copy all the sources to a single project as I intend to reuse my Activity base class for other things (it contains some boiler plate stuff that I dont want to have in each and every activity.
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Mar 10, 2010
I always face this problem in my eclipse. I would like have a copy of the apps in all the versions of SDKs/NDKs. And once I have a project in eclipse, and if I have to import the same project from a new location, I get the message saying "Can't import, project of the same name already exists". Is this how it is? We cant import the same project from its 2nd location in eclipse? Everytime I delete the project from old location and put it in new. I know, it is a very unacceptable approach).
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Jun 7, 2010
Here is the situation.
I have a java project "LicenseGenerator" in eclipse that depends on commons-codec. I have therefore added the commons-codec jar file to the build path. I have Junit tests and everything is working fine. I have made a different project in the same workspace - which happens to be an Android project - that needs to use my LicenseGenerator classes. I added LicenseGenerator to the "projects" tab in the build path - the classes were recognized and I was able to use them.
Everything compiled and ran. However, when the part of the LicenseGenerator that used the commons-codec was called from my Android project I got the following error.
Could not find method
org.apache.commons.codec.binary.Base64.encodeBase64URLSafeString,
Referenced from method
This basically tells me that the commons-codec was not packaged which the Android project, so I added the commons-codec to the android project as well but the same error appears.
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Jan 12, 2010
I have a library-only Android eclipse project (no main class, only library classes) that I want to include in my main Android Application project. I went to the Build Path and added the library project to the "Required projects on the build path" on the Projects tab, and checked it on the "Order and Export" tab. However, when the application is run, it emits VerifyError exception, because the class from the library project didn't happen to be packaged together in the apk.
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Apr 27, 2009
how to import the Android Default projects into our Eclipse. E.g androidsourcerootpackagesappsAlarmClock. I want to import this project to my eclipse work space, I tried with import projects and open excisting Android Projects. But that two are not working.
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Jan 19, 2009
For some unknown reason when I now try to create a new Android project in Eclipse (Ganymede running on Windows) it fails to link to the android.jar in the SDK (1.0_r1). This has never happened before, and all my existing projects continue to resolve Android components just fine.
Error: "Cannot create linked resource '/.org.eclipse.jdt.core.external.folders/.link0'. The parent resource is not accessible."
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Jul 6, 2010
How can I attach Java source to an Android project? I'm able to browse java source for a Java project, but not for an Android project. I modified project properties and add Java source in "Libraries" section, still not working.
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Oct 8, 2009
My application is seperated into three projects in eclipse. The first one is a client Android Project called "Project A". The second is a server Android Project called "ProjectB". Lastly, I have "ProjectATest" for testing that has references dependencies to "ProjectA" and "ProjectB".
When excuting InstrumentationTestRunner in "ProjectATest," I get the following error message:
CODE:.........
This is the error as pulled from LogCat:
CODE:......................
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Jul 27, 2010
I have 2 android applications that share 95% of their resources, layouts, strings etc. only a few jpg's are different.
How can I share resources between the different Eclipse Android projects, so as to avoid resource duplication ?
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Sep 13, 2009
I have notices following:
If I have a project with minimum files in res folder, the project saves quickly, compiles quickly and launches quickly. But if I have a lot of resources, my project is saving, compiling and launching during relatively long period of time. This is really frustrating if you do some minor UI updates, and you have always wait Eclipse to generate R file etc.
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Jun 14, 2009
When I make a new project the .java file is not generated. I can run the project, but it does not run in the emulator or anything. It did use to work before then it stop working. I tried deleting the folder and all project files. After that I reinstalled everything but I am still having problems.
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Jul 27, 2009
I'm working on two projects. One is essentially a library, and the other is an application using that library. Now from the application project, I want to use the library's classes, so I added that project to the "required projects" under java build path. It seems to compile fine, but at runtime, I get this error:
07-27 11:26:57.037: ERROR/dalvikvm(741): Could not find class 'interdroid.contextframework.ContextManager', referenced from method com.bartvanwissen.contextframeworktest.MainActivity.onCreate
Apparently, the library project's classes are not added to the apk file. How can I make sure they are included? Since I'm working on both projects at the same time, I would like to prevent having to create a jar file every time I want to test something.
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Nov 24, 2009
I'm currently developing for Android using Eclipse. I have a lexicon viewer application (with package name "com.mycompany.myviewer") that I want to reuse multiple times, just changing specific resources such as app name and icons.For example, I have a certain publisher "Publisher1", who publishes the lexicons "Lexicon1" and "Lexicon2". I would need to two applications: App1 with certain name and icon, and App2 with another name and icon.What is the best way of doing this in Java? In visual Studio (and C++) I could create two projects based on the lexikon viewer app and use conditional resources to get the right name and icon. Is there some way of doing something similar in Java?
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Mar 24, 2010
An Android Java project placed in a git repository and built in an Android tree in /packages/apps needs to have the project files located at the root of the git repository.This is problematic for creating a complementary Test project, which should ideally be included in the same git repository so commits are atomic for both code and tests. Eclipse gets very unhappy if you include the Test project as a subdirectory.Is there an appropriate approach for dealing with this other than creating a second repository?
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Jun 17, 2010
Every time I try to run an Android project from Eclipse with the Android plugin (Run -> Run), the emulator starts up just fine, but the upload fails, and the Console puts out this error message:
[2010-06-17 08:17:55 - HelloAndroid] Failed to upload HelloAndroid.apk on device 'emulator-5554'
[2010-06-17 08:17:55 - HelloAndroid] java.io.IOException: Unable to upload file: Local file doesn't exist.
[2010-06-17 08:17:55 - HelloAndroid] Launch canceled!
It seems as though the apk compilation is failing, but there are no other errors in the Console at all except for a lone warning about the project not specifying an API Level requirement:
[2010-06-17 08:17:55 - HelloAndroid] WARNING: Application does not specify an API level requirement!
[2010-06-17 08:17:55 - HelloAndroid] Device API version is 8 (Android 2.2)
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Nov 18, 2009
I cannot run android junit tests for classes sitting in main android project that implement interfaces that reside in other included projects. Depending on SDK version I get different errors: from "Test run failed:" on 1.5 and 1.6 and spurious process death to a more polite "NoClassDefFoundError" on SDK 2.0. This happens only on instantiation of classes that reside in the Android project and implement interfaces residing outside that android project. There is no problem instantiating classes that do not fall into this category (i.e. android only or library only classes).
Android project by itself works fine with these classes - it is just the test set-up doesn't and project inclusion/classpath seems to be ok. Test project includes all projects that main project includes. NoClassDefFoundError makes little sense here given that the classloader can see and instantiate classes sitting right next to the ones that do not work. Did anyone else run into this or found a way to set-up android based tests in a multi-project set-up? Below is more detailed set-up and test explanation: 1) Library project: FooLib public interface IFoo { ... }
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Apr 2, 2009
While doing debugging with Eclipse I noted that the debugger highlights the wrong line as "next line to execute" for methods with multiple return points. It fools the developer that the last line of the method is executed, where in fact it is not.Does anyone know if this is some kind of known issue? My colleagues have also experienced this but we have never seen it when doing on- device-debugging on e.g. the Sony Ericsson SDK.I couldn't find anything at http://code.google.com/p/android/issues/list There was a similar post in android-beginners 2007-11-25. No replies, though. http://groups.google.com/group/android-beginners/browse_thread/thread.
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Mar 25, 2010
I want to publish my application (ABC). Its an audiobook file(just for example.) wrapped as apk. When the user install this application it needs to check whether another application (XYZ) already installed or not. If not let the user know they have to install the application XYZ first before installing ABC.
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Nov 17, 2010
I would like to use a .jar file generated by SWIG in an Android application. What is the best way to deploy all of the underlying dll's with the Android application?
In a desktop environment, my PATH variable includes the folder containing these dll's.
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Mar 11, 2010
I have two activities, one per orientation - PortraitActivity and LandscapeActivity. They are pretty much different, I can't use one Activity with different layouts. If user changed orientation I have to shutdown one of them and start another. What is the best way to manage them? Does it make sense to create GroupActivity? Or each Activity should check if the current orientation is what it needs? If so, is it save to start new Activity in onCreate method of previous one (which is not actually created yet)?
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Jun 25, 2010
My droid works fine. The other two droids I've tried are never recognized by adb and don't debug. Debugging is turned on with all 3 of them.
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Jun 23, 2010
I am using Ksoap2-Android for consuming the WCF Services.
For the dotnet client we keep the allowCookies="true" in our binding configuration and it sends the same sessionid and keeps my sessions intact in my WCF services (My services are
interdependent and use the sessions).
Any one know any such setting for ksoap2-android, that will allow me to consume the
WCF service keeping my session intact on the server.
Currently when i make a new call to the service, the sessionid gets changed and all my
session variables clear out and loose their values.
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Sep 27, 2010
According to the API doc, Android seems to support for changing the data size of Parcel container. And there is no notice limiting the size of Parcel. The document is here http://developer.android.com/reference/android/os/Parcel.html#setData...()
On the other hand, when our developers are doing some tests on this, the size is dependent on the platform and devices.
So i just wonder whether there is any limit on the data size of Parcel. At least this information should be mentioned in the API document.
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Dec 2, 2012
I am asking this because recently bought a BLU VIVO D910a phone from U.S., it has Android 4.0 firmware and its 3G Network is HSDPA 850 / 1900.
I made a big mistake, because the country where I currently live and work (Montenegro) uses 2100 3G network. I shoud have ordered the international version of BLU Vivo, the D910i which has HSDPA 850 / 2100. So, currently I cannot make use of the 3G data capability of my new phone
My question is: if I get the firmware (or just the modem.bin) of D910i and flash it to my phone will I change by this way the 3G frequency or it is hardware-dependent?
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Aug 18, 2010
I have an open-source application on the Android market. It seems to work fine for me (with over 1,000 active installs, I have to presume that it works for most people).I recently got a bug report that indicated a problem for at least three users on Samsung phones (Intercept and Captivate). I have been unable to reproduce the problem on my ADP2 and on the emulator.In order to get enough data to diagnose the problem, I first tried to add logging and then I asked users to submit logs via Log Collector. Each time a user tried to send the log (there were four attempts), it was truncated and I did not get any useful data.I then added ACRA to the project in an attempt to get information, but I don't seem to be able to automatically detect the bug in order to send a report.Since I don't have a Samsung phone and I can't reproduce it on anything where I could connect with the debugger, I am mostly out of ideas. The only idea I have left is to add a button to the UI to generate a report.Are there any other approaches to suggest?
Update: since people are asking for more specifics: essentially, the app reads in text files from the assets and puts them (with some preprocessing) into a TextView in a ScrollView. (The data is prgressively added to a SpannableStringBuffer and then that is passed to TextView's setText() function.) Depending on the options chosen, the text displayed is between 15k-115k. On phones with this issue, only part of the text is displayed. The cutoff point depends on the options, but seems to be somewhere between 17k-18k.
ACRA sends a report for all uncaught exceptions and puts them into a Google Form/Spreadsheet. I've gotten reports from my emulator and from my phone, so I know that end works. (Actually, I've often found it faster to debug from the stack trace in that report than to attach the debugger to the process.)Phone specs: I have exercised the app on emulators running 1.5, 1.6, 2.1, and 2.2. My phone is ADP2 (the developer version of the MyTouch), but I've installed a third-party ROM to jump up to Froyo (2.2). I am unaware of an emulator specifically for the Samsung OS build, although that would be quite helpful here.Since the expected text length is constant, I should be able to detect if it is read correctly or not. I added checks at the end of my text processing, but those never triggered, indicating that the problem was not with reading the file. I then tried adding checks to onPostCreate and onPostResume, but those did not fail either. It seems that the UI thread had not yet actually run at that point, though.I've now done 6 private APK versions attached to the bug in the bug tracker. I frankly am surprised that any users are still trying them. This latest version has a button to force a bug report - that will only be called after the UI thread has laid out the screen. Hopefully that will give me enough variable information to point me in the right direction.
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Mar 30, 2010
I seperate my application into 2 projects. one for UI,the other is for service.How can I build these 2 applications into one apk?
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Oct 23, 2010
I have several projects which contain the same strings. Is there a way to share the strings.xml file between projects? I have a library project where I put shared .java code which has a strings.xml, but is the data in the library strings.xml added to the including project's strings.xml at build time?
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