Manifest merger failed with multiple errors in Airbnb Epoxy

Explanation of the problem

The problem at hand is related to the gradle build process of an Android app. The app has applied the kotlin-kapt plugin and added the following dependencies:

dependencies{
//epoxy
implementation 'com.airbnb.android:epoxy:3.1.0'
annotationProcessor 'com.airbnb.android:epoxy-processor:3.1.0'
}

However, during the build process, the following error occurs:

Caused by: java.lang.RuntimeException: Manifest merger failed with multiple errors, see logs 	at com.android.builder.core.AndroidBuilder.mergeManifestsForApplication(AndroidBuilder.java:540) 	at com.android.build.gradle.tasks.MergeManifests.doFullTaskAction(MergeManifests.java:173) 	at com.android.build.gradle.internal.tasks.IncrementalTask.taskAction(IncrementalTask.java:106) 	at sun.reflect.GeneratedMethodAccessor2235.invoke(Unknown Source) 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 	at java.lang.reflect.Method.invoke(Method.java:498) 	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73) 	at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:50) 	at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39) 	at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26) 	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:131) 	at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:300) 	at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:292) 	at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:174) 	at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90) 	at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31) 	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:120) 	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:99) 	... 34 more

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Problem solution for Manifest merger failed with multiple errors in Airbnb Epoxy

The “Manifest merger failed with multiple errors” error in Airbnb Epoxy can occur when there are conflicting dependencies in your project. Here are a few steps you can try to resolve this issue:

1. Check for conflicting dependencies: Check if there are any dependencies in your build.gradle file that conflict with each other. You can resolve this by either removing the conflicting dependency or updating it to a compatible version.
2. Update Gradle version: Make sure that you are using the latest version of Gradle. Updating to the latest version can resolve conflicts caused by outdated dependencies.
3. Exclude dependencies: If you have multiple dependencies that use the same library, you can exclude the library from one of the dependencies to resolve the conflict. To do this, add the following line in your build.gradle file:

compile('com.example:dependency1') {
    exclude group: 'com.example.library'
}

4. Clean and rebuild the project: Try cleaning and rebuilding your project. This can resolve any issues caused by incomplete or corrupted builds. To clean the project, use the following command:

./gradlew clean

If the above steps don’t work, you can also try removing the .gradle folder in your project and re-importing the project in Android Studio.

Other popular problems with Airbnb Epoxy

A brief introduction to Airbnb Epoxy

Airbnb Epoxy is an Android library that is used to build complex screens efficiently and easily. It provides a rich set of features for building complex and dynamic user interfaces, including automatic diffing of data, support for complex view types, and efficient recycling of views. With Epoxy, developers can create complex and dynamic screens with minimal boilerplate code, reducing the time and effort required to build complex user interfaces.

Epoxy is built on top of the RecyclerView and uses a unique data binding approach to bind data to views. It provides an EpoxyController class that acts as the data source for the RecyclerView and allows developers to describe the layout of their screens as a collection of EpoxyModels. The models can be combined and reused to build complex and dynamic user interfaces, and Epoxy automatically handles the diffing and updating of the underlying data. Additionally, Epoxy provides advanced features such as animation support, support for complex view types, and the ability to handle complex view hierarchies, making it an ideal solution for building complex and dynamic user interfaces on Android.

Most popular use cases for Airbnb Epoxy

class ItemEpoxyModel_ : EpoxyModelWithHolder<ItemEpoxyModel.Holder>() {
    var title: String by Delegates.observable("") { _, _, newValue ->
        holder.titleTextView.text = newValue
    }
    var subtitle: String by Delegates.observable("") { _, _, newValue ->
        holder.subtitleTextView.text = newValue
    }

    override fun bind(holder: Holder) {
        super.bind(holder)
        holder.titleTextView.text = title
        holder.subtitleTextView.text = subtitle
    }

    class Holder : EpoxyHolder() {
        lateinit var titleTextView: TextView
        lateinit var subtitleTextView: TextView

        override fun bindView(itemView: View) {
            titleTextView = itemView.findViewById(R.id.title)
            subtitleTextView = itemView.findViewById(R.id.subtitle)
        }
    }
}