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How to import a jar in Eclipse?
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Closed 6 years ago.
Hi I am n00b in classpath and Ant. While reading the tutorial of GCM for Android I came across a line
Step 1: Copy the gcm.jar file into your application classpath
To write your Android application, first copy the gcm.jar file from
the SDK's gcm-client/dist directory to your application classpath.
I got the gcm.jar from the dist folder. Now how do I put it into my classpath using Eclipse(I think that would be easier)? And where would I make changes if I didnt have Eclipse?
Thnaks
As of rev 17 of the Android Developer Tools, the correct way to add a library jar when.using the tools and Eclipse is to create a directory called libs on the same level as your src and assets directories and then drop the jar in there. Nothing else.required, the tools take care of all the rest for you automatically.
Right click on the project in which you want to put jar file. A window will open like this
Click on the AddExternal Jars there you can give the path to that jar file
First copy your jar file and paste into you Android project's libs folder.
Now right click on newly added (Pasted) jar file and select option
Build Path -> Add to build path
Now you added jar file will get displayed under Referenced Libraries. Again right click on it and select option
Build Path -> Configure Build path
A new window will get appeared.
Select Java Build Path from left menu panel and then select Order and export
Enable check on added jar file.
Now run your project.
More details #
Add-JARs-to-Project-Build-Paths-in-Eclipse-(Java)
Right click your project in eclipse, build path -> add external jars.
In your Android Developer Tools , From the SDK Manager, install Extras > Google Cloud Messaging for Android Library . After the installation is complete restart your SDK.Then navigate to sdk\extras\google\gcm\gcm-client\dist .
there will be your gcm.jar file.
Related
I'm trying to add some external jar files from the Apache Lucene library to Eclipse but every time i add them to the Classpath it keeps saying i need to attach sources. However i have seen multiple tutorials where they've never say anything about adding source files. They just point at the binaries. I have tried adding them as classpath or as a user library but Eclipse refuses to add them as they are. I'm using Apache Lucene 8.8.1 and Eclipse 2021-03. What do i do wrong and i can't add them?
UPDATE: I'm sending some screenshots for better clarification of what i am doing
photo1
after i make a new project and name it i select next and i choose the Libraries tab
photo2
In the Libraries tab i choose the Classpath and then i select the Add External jars option and i select some jar files from the Lucene folder i downloaded
and when I'm trying to select some .class file from some package i keep encountering this message
photo3
I am trying to run a java program using eclipse in ubuntu. In my java program ,I linked a java so directly using the absolute path.
The so that I have linked is pointing to the other so present in the lib folder.
I have to access all the so from the lib folder(which contain more than 100 so's)
I have set the java.library.path to the lib folder location,but it does not work.
When I check the dependencies of the so which i have linked,the some of the so which are linking is not pointing to the lib folder,it automatically moves to usr/local/lib.
When I run the same program in terminal,and use export LD_LIBRARY_PATH='path_of_lib_folder, it works fine in terminal.
But I have to run it in eclipse,it not recognize the lib folder. Pls help me to run the program in eclipse
Thanks for all your contribution to the question
My Intention:
To link the folder contain the library file(.so) in java using eclipse.
Solution:
Right click on src folder in the eclipse project and select the Debug As->Debug Configurations...
Select the Environment tab in the Debug Configurations dialogue box.
Click New button
Type the Name as LD_LIBRARY_PATH and the value as the folder path (eg,./lib)
Click ok,then Apply
Now the library folder is successfully linked in the java project.
I have added a jar named freetts in Libraries in my Project, I copied the whole netbeans java project to another system but I could not compile it as the freetts library was missing there. So how do I locate the library on disk so that I can copy it to the system I have copied the project to.
Right click on the folder/JAR and click on edit
and in there you will be able to see where the folder/JAR is located on your disk
I have imported a google web app project and added the servlet.jar file but I don not know how to set the servlet.jar file in my classpath. How do I go about doing that. Am new to eclipse and this is a project am collaborating with somebody. I am using a macbook.
If you had received an App Engine project, then an Eclipse Import should have done the trick and setup the paths correctly.
Since, it is not done, you will need to do the following for an App Engine project.
In your Eclipse project that you have imported, visit Project Properties and then Java Build Path.
In the Libraries Tab, check if an App Engine SDK library is present or not. If yes , expand it, you will see the servlet-api.jar file.
If not, Add Library from there and choose the current App Engine Library that you have set up on our system.
I just heard of library for reading/writing excel files without COM, so I figured I'd go check it out.
I downloaded jexcelapi_2_6_12.zip from this page http://sourceforge.net/projects/jexcelapi/files/ but I have no idea how to open it in Eclipse.
I know it's a silly question, but I'm sure it's not the first time someone's asked it, how do I open this in Eclipse in Windows, compile, run and debug it?
Primarily what you need from that zip is the jar which contains the library. You'll still need to actually write a Java app that uses it.
So what you need to do is:
Unzip the file you downloaded
create a new java project
add a lib directory to the project
copy jxl.jar from the zip into your projects lib directory
right click on the jar in eclipse and select "Build Path>Add to build path"
The classes in the library are now available to your project
Next create a new java file in your projects source folder and start coding.
Extract the zip file somewhere, put the jar file in your project's directory somewhere (e.g. under a lib directory) and then right-click on it and select "Add to build path" or something similar.
It's not runnable on its own though - you'll need to write some code in order to debug.
If you want to debug into the source code of the library itself, you'll need to tell Eclipse where the source is - but that's unlikely to be necessary.