Implementing .aar libraries for extensions. #2230

jarlisson2 · 2020-07-03T05:37:28Z

With this implementation it is possible to add an .aar type library in extension. Just use the existing annotation "@UsesLibraries (libraries ="library.aar ") and add the library to the dependencies, just like the .jar files.

AppInventorWorkerBee · 2020-07-03T05:37:30Z

Can one of the admins verify this patch?

ewpatton · 2020-07-03T14:40:13Z

@AppInventorWorkerBee ok to test

shreyashsaitwal · 2020-08-24T15:20:07Z

Can this change get staged for nb185?

cc @ewpatton

ewpatton · 2020-08-26T19:19:24Z

@shreyashsaitwal This won't go into nb185. We could consider it for nb186. The goal with nb185 is first and foremost to fix issues that cropped up in nb184.

tomer2526 · 2020-09-05T08:51:26Z

We need to implement this so that we can solve the problem of building this extension: https://community.kodular.io/t/suggestion-for-building-an-extension/77477/15
Please add this in the next update🙏

armandojr1159 · 2020-09-29T15:02:01Z

Como usar a extensão para checar CNPJ?
Vi que foi incluído o trecho de tratamento para CNPJ entretanto não consigo a verificação. Está apenas para CPF mesmo?.
Muito bom o seu trabalho. Parabéns

joseluu · 2020-10-23T18:46:38Z

Will the resources contained in the aar end up in the application ? (as expected)

joseluu · 2021-01-20T15:33:23Z

Note: I am using this patch on my compilation server, it works, I hope you will integrate it soon.

m-anshuman2166 · 2022-06-15T03:59:13Z

@ewpatton Any news regarding aar support ?

bigraymasoom · 2024-02-20T07:22:17Z

Any update on this project?

Change-Id: I6422e47b0dcdb7b3536658fe276b189aea4c01a3

ewpatton · 2025-02-07T21:02:36Z

I've updated this on top of the latest master.

jewelshkjony · 2025-02-25T08:40:18Z

Would it be possible to merge this change with nb201?

bigraymasoom · 2025-02-25T08:58:18Z

Yes, please

jewelshkjony

I just tested it locally after merging with mit's latest master branch, and it works perfectly with AARs in extensions. (ref)

jewelshkjony

I noticed a bug in ExternalComponentGenerator.java at #362. It is only including the last declared AAR. It should include all declared AARs. This is how I solved (ref).

These changes need to be addressed.

bigraymasoom · 2025-03-20T06:46:22Z

I guess it's not included in latest release.

jewelshkjony · 2025-08-10T17:00:14Z

I have identified a problem with the inability to merge JNI/native (.so) libraries.

ewpatton · 2025-08-10T17:06:05Z

JNI library support is a separate PR.Sent from my iPhoneOn Aug 10, 2025, at 13:00, Jewel Shikder Jony ***@***.***> wrote:jewelshkjony left a comment (mit-cml/appinventor-sources#2230) I have identified a problem with the inability to merge JNI/native (.so) libraries. —Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you were mentioned.Message ID: ***@***.***>

jewelshkjony · 2025-08-11T09:47:35Z

It'd be awesome if this PR also get merged.

bigraymasoom · 2025-08-11T14:24:23Z

If this feature is merged then libraries related issues will be resolved very much in MIT App inventor ecosystem and will see many modern extensions related to UI and other modern android related features. One thing that i noticed is that assets in libraries( talking about nested assets) in the libraries are not included in the build apk. Also, I suggest that there should be two ways how assets are merged into the apk. First like traditional way, assets are placed under extension package folder in assets folder of apk. Second should be the root folder with nested folders lead to file as many libraries refer to the root folder path like /assets/org/test/file.js instead of /assets/file.js or in case of extension /assets/extension.package.name/file.js.

bigraymasoom · 2025-08-11T14:48:33Z

There is also another way (again it's just a suggestion) is to place libraries related assets as they are like single file or folder within folder lead to file in the root of assets folder instead of placing them under their extension package name folder. OR we can give users ability in the designer section of App inventor frontend to create the files structure as they like(but again it will not be the scope of this PR but it will solve assets related issues as users can create their own file structures like simple file under assets folder like /assets/simplefile.js or in nested structured file path like /assets/folder_name/simplefile.js).

jewelshkjony · 2025-08-11T15:45:50Z

It would be great if this feature also handle merging assets and jni libraries.
Otherwise, the goal of attaching AAR will remain incomplete!

ewpatton

Assets in extensions can always be included using @UsesAssets, which has always been true, and there is a separate PR to worry about native libs so I do not think it is worth holding up the release on those grounds.

ewpatton · 2020-09-10T23:34:50Z

...tor/components/src/com/google/appinventor/components/scripts/ExternalComponentGenerator.java

          String library = librariesNeeded.getString(j);
-          copyFile(buildServerClassDirPath + File.separator + library,
-              extensionTempDirPath + File.separator + library);
+          copyFile(buildServerClassDirPath + File.separator + library, extensionTempDirPath + File.separator + library);


I recommend restoring the original formatting here for this call as nothing has changed semantically.

ewpatton · 2020-09-10T23:36:10Z

...tor/components/src/com/google/appinventor/components/scripts/ExternalComponentGenerator.java

-          copyFile(buildServerClassDirPath + File.separator + library,
-              extensionTempDirPath + File.separator + library);
+          copyFile(buildServerClassDirPath + File.separator + library, extensionTempDirPath + File.separator + library);
+          if(library.endsWith(".aar")){


Fix whitespace after if and before {

ewpatton · 2022-06-15T11:31:51Z

appinventor/buildserver/src/com/google/appinventor/buildserver/Compiler.java

            i.remove();
-            if (!processedLibs.contains(libname)) {
+            if (!processedLibs.contains(lib)) {
+              if (simpleCompTypes.contains(type) || type == "ANDROID") {


Rewrite the latter half of this conditional as "ANDROID".equals(type).

bigraymasoom · 2025-08-14T19:13:01Z

Assets in extensions can always be included using @UsesAssets

Thanks for merging this Sir. Really appreciated. But assets from aars will not be included in the apk. Build process will just ignore them at appinventor/buildserver/src/com/google/appinventor/buildserver/tasks/android/AttachCompAssets.java. It's looking for extension assets and during unzipping aar libraries assets will be ignored from asset list.

jewelshkjony · 2025-08-15T06:14:36Z

Assets in extensions can always be included using @UsesAssets, which has always been true, and there is a separate PR to worry about native libs so I do not think it is worth holding up the release on those grounds.

The @UsesAssets annotation includes the assets of an extension under the extension's package name. However, assets included in the AAR file should be placed in the application's root assets directory. This pull request resolves this issue by merging the assets from the AAR into the application's root directory, and your review of the pull request would be appreciated.

ewpatton requested a review from a team July 3, 2020 14:40

ewpatton added affects: master feature request pull request: needs review labels Jul 3, 2020

ewpatton added this to the September Release milestone Sep 10, 2020

ewpatton self-assigned this Sep 10, 2020

ewpatton added pull request: in review and removed pull request: needs review labels Sep 10, 2020

vknow360 approved these changes Sep 30, 2020

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ewpatton modified the milestones: September Release, nb187 Dec 1, 2020

ewpatton linked an issue Jan 27, 2021 that may be closed by this pull request

add full support for aar files #2196

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ewpatton removed this from the nb187 milestone Aug 4, 2021

vivekshindhe mentioned this pull request Sep 21, 2021

Error : onPaymentError probably not implemented in your activity razorpay/razorpay-android-sample-app#258

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dhungananikhil approved these changes May 27, 2024

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ewpatton mentioned this pull request Feb 7, 2025

Added @UsesXmls annotation which allows to create xml files in APK resources #3292

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Implement .aar libraries for extensions

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Change-Id: I6422e47b0dcdb7b3536658fe276b189aea4c01a3

ewpatton force-pushed the edit branch from 1c02572 to 7598002 Compare February 7, 2025 21:02

jewelshkjony approved these changes Mar 10, 2025

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jewelshkjony suggested changes Mar 11, 2025

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bigraymasoom approved these changes Jul 14, 2025

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ewpatton added the for-ai2-test label Jul 14, 2025

ewpatton added this to the nb202 milestone Aug 7, 2025

jewelshkjony mentioned this pull request Aug 12, 2025

Merge assets & JNI Native libraries from AAR #3555

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ewpatton approved these changes Aug 14, 2025

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ewpatton merged commit 8d9c796 into mit-cml:master Aug 14, 2025
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Implementing .aar libraries for extensions. #2230

Implementing .aar libraries for extensions. #2230

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