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h

Halil Ozercan

08/22/2021, 12:25 PM
Hi everyone. I understand that if I develop a KMM-Compose library, Android developers would have to add "org.jetbrains.compose" plugin in their app module to prevent duplicate class errors. On the other hand, in my android specific libraries that also use compose, this plugin is not needed when a KMM-Compose library is added as a dependency. That's really confusing to me.. My actual question is: "Is there any other way that Android developers can apply in their projects to prevent duplicate class errors without using org.jetbrains.compose plugin"?
tasks.create("replaceAndroidxCompose") {
  project.dependencies.modules {
    module("androidx.compose.animation:animation") {it.replacedBy("org.jetbrains.compose.animation:animation")}
    module("androidx.compose.animation:animation") { it.replacedBy("org.jetbrains.compose.animation:animation") }
    module("androidx.compose.animation:animation-core") { it.replacedBy("org.jetbrains.compose.animation:animation-core") }
    module("androidx.compose.compiler:compiler") { it.replacedBy("org.jetbrains.compose.compiler:compiler") }
    module("androidx.compose.compiler:compiler-hosted") { it.replacedBy("org.jetbrains.compose.compiler:compiler-hosted") }
    module("androidx.compose.foundation:foundation") { it.replacedBy("org.jetbrains.compose.foundation:foundation") }
    module("androidx.compose.foundation:foundation-layout") { it.replacedBy("org.jetbrains.compose.foundation:foundation-layout") }
    module("androidx.compose.material:material") { it.replacedBy("org.jetbrains.compose.material:material") }
    module("androidx.compose.material:material-icons-core") { it.replacedBy("org.jetbrains.compose.material:material-icons-core") }
    module("androidx.compose.material:material-icons-extended") { it.replacedBy("org.jetbrains.compose.material:material-icons-extended") }
    module("androidx.compose.material:material-ripple") { it.replacedBy("org.jetbrains.compose.material:material-ripple") }
    module("androidx.compose.runtime:runtime") { it.replacedBy("org.jetbrains.compose.runtime:runtime") }
    module("androidx.compose.runtime:runtime-saveable") { it.replacedBy("org.jetbrains.compose.runtime:runtime-saveable") }
    module("androidx.compose.ui:ui") { it.replacedBy("org.jetbrains.compose.ui:ui") }
    module("androidx.compose.ui:ui-geometry") { it.replacedBy("org.jetbrains.compose.ui:ui-geometry") }
    module("androidx.compose.ui:ui-graphics") { it.replacedBy("org.jetbrains.compose.ui:ui-graphics") }
    module("androidx.compose.ui:ui-test") { it.replacedBy("org.jetbrains.compose.ui:ui-test") }
    module("androidx.compose.ui:ui-test-junit4") { it.replacedBy("org.jetbrains.compose.ui:ui-test-junit4") }
    module("androidx.compose.ui:ui-text") { it.replacedBy("org.jetbrains.compose.ui:ui-text") }
    module("androidx.compose.ui:ui-unit") { it.replacedBy("org.jetbrains.compose.ui:ui-unit") }
    module("androidx.compose.ui:ui-util") { it.replacedBy("org.jetbrains.compose.ui:ui-util") }
  }
}

tasks.named("build") {
  it.dependsOn("replaceAndroidxCompose")
}
this seems to work 😄
s

spierce7

08/22/2021, 3:17 PM
Is there a planned solution for this? Being able to share libraries seamlessly between Android and Jetbrains is an important piece for the compose ecosystem to grow in a multiplatform way.
k

kevindmoore

08/23/2021, 12:20 AM
I thought that Google’s plugin did all the replacing. I was looking at the plugin code and saw a bunch of replacement stuff
h

Halil Ozercan

08/23/2021, 8:44 AM
Not exactly Google's but as I said Jetbrains compose plugin resolves this issue. Understandably, I don't think many Android developers want to include this plugin in their app just because they are using an KMP library. The code I sent is directly from that plugin and the only necessary part for an Android app to use an KMP-Compose library.
a

Alexander Kurasov[JB]

08/23/2021, 11:40 AM
This is a known issue for us and we together work to make life easier here. I expect some news in reasonable timeframe.
👀 1
👍🏼 1
👍 1
:party-parrot: 1
h

Halil Ozercan

09/03/2021, 9:15 PM
Developing a KMP Compose library was fun until I realized that Android apps cannot depend on KMP compose libraries without applying
org.jetbrains.compose
plugin. This was unfortunate because I didn't feel right telling developers that they need to apply Desktop Compose plugin for their pure Android app just to use a library. Luckily, this turns out to be just a dependency issue and dependencies are easily replaced in gradle before they are resolved. Adding the following configuration to Android App's
build.gradle
enables the use of KMP Compose dependencies.
configurations.all {
  resolutionStrategy.eachDependency { DependencyResolveDetails details ->
    if (details.requested.group.contains('org.jetbrains.compose')) {
      def groupName = details.requested.group.replace("org.jetbrains.compose", "androidx.compose")
      details.useTarget(
          [group: groupName, name: details.requested.name, version: details.requested.version]
      )
    }
  }
}
s

SrSouza

09/04/2021, 6:06 PM
You can also publish your library removing all Compose Desktop transitive dependencies
b

burnoo

10/15/2021, 8:40 AM
Maybe
org.jetbrains.compose
plugin could produce additional
*-jetpack
artifact with replaced dependencies? Projects that do not use Compose Multiplatform could use the Jetpack version of the library and would not have to replace dependencies at build time. I did something similar in my library, but semi-manually.
a

Alexander Kurasov[JB]

10/15/2021, 9:26 AM
We are considering one approach here. Probably there will be an experimental CMPP build soon, that will reference Jetpack Compose for android platform and thus there will be no duplicate class issue. This is truly experimental approach, but I hope it will work
👍 1
:kotlin-intensifies: 1
@Halil Ozercan We have published experimental build that is compatible with Jetpack - 0.0.0-master-build423. It uses 1.1.0-alpha06 Jetpack artifacts for android target. IMO it should solve this problem. If you build your MPP library based on it, it will be possible to use it in Android projects that uses Jetpack Compose. Simple smoke test is to take any android project and add there simultaneously
implementation "androidx.compose.ui:ui:$compose_version"
and
implementation "org.jetbrains.compose.ui:ui:$mpp_compose_version"
versions are:
buildscript {
    ext {
        compose_version = '1.1.0-alpha06'
        mpp_compose_version = '0.0.0-master-build423'
    }
}
The build is published in
maven {
    url("<https://maven.pkg.jetbrains.space/public/p/compose/dev>")
}
Let me know if it works or you have some issues with it
@burnoo I see you also might be interested in information above
👍 1
b

burnoo

10/22/2021, 12:23 PM
Works exactly as expected, thanks! Both
jvm
and
android
targets works with Jetpack Compose. Tested here
🆒 1
h

Halil Ozercan

10/22/2021, 3:00 PM
Wow such great news @Alexander Kurasov[JB]! I'll definitely check it out as soon as possible.
👍 1
b

burnoo

10/22/2021, 5:22 PM
@Halil Ozercan it is already shipped in 1.0.0-beta1 🎉
🎉 1