How might I go about including this library in an Android app?

[Alpha62579]

How might I go about including this library in an Android app? afaik, I end up getting an error relating to a Field being unable to be converted to dex.

com.android.tools.r8.internal.Tb: Field name '()V' cannot be represented in dex format.

[Auties00]

How might I go about including this library in an Android app? afaik, I end up getting an error relating to a Field being unable to be converted to dex.

com.android.tools.r8.internal.Tb: Field name '()V' cannot be represented in dex format.

I mean does dex support java 21? If the answer is no then you probably can't

[zapisator]

Here's a potential solution:

Downgrade jar (backporting?)

Android apps can utilize Java 17 and below, while this library is written in Java 21 and relies on third-party libraries that also require Java versions above 17. There are tools for downgrading API calls to the JVM:

1. JavaDowngrader:

I encountered errors during my attempt:

module-info.class[ERROR] Failed to transform class 'it.auties.whatsapp.socket.MessageHandler'
java.lang.ClassNotFoundException: it.auties.protobuf.model.P

2. JvmDowngrader:

I couldn't install it successfully:

Caused by: org.gradle.api.GradleException: Provisioned toolchain 
'/home/<some path>/.gradle/jdks/zing20/zing20.09.1.0-1-jdk7.0.272-linux_x64' 
could not be probed: Command returned unexpected result code: 139)
Error output

Manually downgrade the source code:

... instead of the JAR file. I expect this to be harder, but we need to ensure no blocking issues arise. The project 'devlikeapro/waha' provides helpful guidelines for this approach.

---

P.S.

What problems do you expect?

[zapisator]

One more thing I want to try. It is making native library.

[smartkanak]

@Alpha62579 Have you found a way to use this on an Android App?

[Alpha62579]

I'm afraid not.

[dev-anil-kumar]

Hi everyone,
Has anyone tried using this library on Android? I downgraded all the related files manually to Java 17 and attempted to run the project in IntelliJ, but encountered the following error. I'm using version 0.0.5.

Aug 28, 2024 7:59:43 PM it.auties.whatsapp.api.ErrorHandler lambda$defaultErrorHandler$3
SEVERE: Socket failure at UNKNOWN
java.net.SocketException: Connection reset
at java.base/sun.nio.ch.SocketChannelImpl.throwConnectionReset(SocketChannelImpl.java:394)
at java.base/sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:426)
at java.net.http/jdk.internal.net.http.SocketTube.readAvailable(SocketTube.java:1170)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.read(SocketTube.java:833)
at java.net.http/jdk.internal.net.http.SocketTube$SocketFlowTask.run(SocketTube.java:181)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:230)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:303)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:256)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.signalReadable(SocketTube.java:774)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$ReadEvent.signalEvent(SocketTube.java:957)
at java.net.http/jdk.internal.net.http.SocketTube$SocketFlowEvent.handle(SocketTube.java:253)
at java.net.http/jdk.internal.net.http.HttpClientImpl$SelectorManager.handleEvent(HttpClientImpl.java:982)
at java.net.http/jdk.internal.net.http.HttpClientImpl$SelectorManager.lambda$run$3(HttpClientImpl.java:937)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at java.net.http/jdk.internal.net.http.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:937)
Aug 28, 2024 7:59:43 PM it.auties.whatsapp.api.ErrorHandler lambda$defaultErrorHandler$3
WARNING: Ignored failure

Does anyone have any insights on this issue?