Add android project as reference

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Hello

I am new coming to android studio and still discovering things.

I want to create my own class library to be used in any project I create later

I managed to do this

1- Create android project with No Activity
2- Insert a module >> Java or Kotlin Library >> I name it MyClass
3- I insert my code in MyClass

Then
1- I create another android project Empty Activity
2- I import a module and I chose my first project
3- In project structure I manage the dependencies >> Add Module Dependency

I managed to used my Library. What I noticed is the library project is being copied into new folder in the project. So now I have 2 copies of the project (If I do changes to MyClass) in my Library project it will not see changes in my second project and vise versa, if I change MyClass in Second project I will not see changes in MyLibrary Project

Is there another way to add reference to project and see changes (not folder copy) ?

What I have tried:

1- Create android project with No Activity
2- Insert a module >> Java or Kotlin Library >> I name it MyClass
3- I insert my code in MyClass

Then 
1- I create another android project Empty Activity
2- I import a module and I chose my first project
3- In project structure I manage the dependencies >> Add Module Dependency

Posted 4-Feb-21 21:55pm

Samir Ibrahim

Updated 19-Feb-21 22:24pm

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David Crow 8-Feb-21 17:35pm

Have you see any of these:

https://developer.android.com/studio/projects/android-library#AddDependency

https://developer.android.com/studio/build/dependencies

https://stackoverflow.com/questions/25610727/adding-external-library-in-android-studio

Samir Ibrahim 20-Feb-21 4:20am

@David Thank you for your replay and sorry for my late response. The first link is No, The second link I did not understand what they are suggesting (my lake of knowledge maybe). The third link contains exactly what I asked for.. Thanks

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Samir Ibrahim · Accepted Answer · 2021-02-19T22:24:00

The solution to my question was provided by @David third link

To reference an external lib project without copy, just do this: - Insert this 2 lines on setting.gradle:

  include ':your-lib-name'
  project(':your-lib-name').projectDir = new File('/path-to-your-lib/your-lib-name)
Insert this line on on dependencies part of build.gradle file:

compile project(':your-lib-name')

In addition, I found my own solution

After I add the class by importing module, I right click on the module >> refactor >> Copy Class >> Then I point it to the original directory (it will ask to overwrite existing)

Add android project as reference

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Add android project as reference

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