Execution failed for task ':app:checkDebugDuplicateClasses'. Ionic4 Android

android firebase cordova ionic-framework cordova-plugin-fcm
Abdu4 picture Abdu4 · Jun 22, 2019 · Viewed 45.9k times · Source

I'm currently working on an ionic4 application, but recently it stopped working while building the application on an android reall device after adding https://ionicframework.com/docs/native/fcm plugin to the application.

At first it was complaining about fabric key, however I never aimed to use fabric crashlytic on my app.

The error logs:

* What went wrong:
Execution failed for task ':app:checkDebugDuplicateClasses'.
> 1 exception was raised by workers:
  java.lang.RuntimeException: Duplicate class android.support.v4.app.INotificationSideChannel found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.app.INotificationSideChannel$Stub found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.app.INotificationSideChannel$Stub$Proxy found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver$Stub found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver$Stub$Proxy found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$1 found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$MyResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$MyRunnable found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)

  Go to the documentation to learn how to <a href="d.android.com/r/tools/classpath-sync-errors">Fix dependency resolution errors</a>.


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 21s

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.4.1/userguide/command_line_interface.html#sec:command_line_warnings
35 actionable tasks: 5 executed, 30 up-to-date
cmd: Command failed with exit code 1 Error output:
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:checkDebugDuplicateClasses'.
> 1 exception was raised by workers:
  java.lang.RuntimeException: Duplicate class android.support.v4.app.INotificationSideChannel found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.app.INotificationSideChannel$Stub found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.app.INotificationSideChannel$Stub$Proxy found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver$Stub found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.IResultReceiver$Stub$Proxy found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$1 found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$MyResultReceiver found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)
  Duplicate class android.support.v4.os.ResultReceiver$MyRunnable found in modules classes.jar (androidx.core:core:1.0.0) and classes.jar (com.android.support:support-compat:27.1.1)

  Go to the documentation to learn how to <a href="d.android.com/r/tools/classpath-sync-errors">Fix dependency resolution errors</a>.


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 21s
[ERROR] An error occurred while running subprocess cordova.

        cordova run android exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

android/app/build.gradle

buildscript {
    repositories {
        google()
        jcenter()
        maven { url 'https://maven.fabric.io/public' } // Fabrics Maven repository from cordova-plugin-firebase
    }
    dependencies {

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
        classpath 'com.android.tools.build:gradle:3.4.0+'
        classpath 'com.google.gms:google-services:4.2.0' // google-services dependency from cordova-plugin-firebase
        classpath 'io.fabric.tools:gradle:1.+' // fabric dependency from cordova-plugin-firebase
    }
}

allprojects {
    repositories {

        jcenter()
        google() // Google's Maven repository from cordova-plugin-firebase
    }
    //This replaces project.properties w.r.t. build settings
    project.ext {
      defaultBuildToolsVersion="28" //String
      defaultMinSdkVersion=19 //Integer - Minimum requirement is Android 4.4
      defaultTargetSdkVersion=28 //Integer - We ALWAYS target the latest by default
      defaultCompileSdkVersion=28 //Integer - We ALWAYS compile with the latest by default
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

cordova-plugin-firebase/raihan-build.gradle

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
       classpath 'com.android.tools.build:gradle:3.4.0+'
        classpath 'com.google.gms:google-services:4.2.0'
    }
}


dependencies {
    compile 'me.leolin:ShortcutBadger:1.1.4@aar'
    compile 'com.google.firebase:firebase-auth:+'
    compile('com.crashlytics.sdk.android:crashlytics:2.9.1@aar') {
       transitive = true
    }
}
cdvPluginPostBuildExtras.add({
    // apply plugin: 'com.google.gms.google-services'
    apply plugin: 'io.fabric'
})

cordova-plugin-fcm-with-dependecy-updated/raihan-FCMPlugin.gradle

buildscript {
    repositories {
       google()
        jcenter()
        mavenLocal()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.0+'
        classpath 'com.google.gms:google-services:4.2.0'
    }
}
repositories {
    google()
    jcenter()
}
dependencies {
    compile 'com.google.firebase:firebase-core:16.0.8'
}
// apply plugin: 'com.google.gms.google-services'
// class must be used instead of id(string) to be able to apply plugin from non-root gradle file
// apply plugin: com.google.gms.googleservices.GoogleServicesPlugin

android/project.properties

 target=android-27
    android.library.reference.1=CordovaLib
    android.library.reference.2=app
    cordova.gradle.include.1=cordova-android-support-gradle-release/raihan-cordova-android-support-gradle-release.gradle
    cordova.system.library.1=com.squareup.okhttp3:okhttp-urlconnection:3.10.0
    cordova.system.library.2=com.android.support:support-v4:24.1.1+
    cordova.system.library.3=com.soundcloud.android:android-crop:1.0.0@aar
    cordova.system.library.4=com.google.firebase:firebase-core:16.0.8
    cordova.system.library.4=com.google.firebase:firebase-iid:17.1.1
    cordova.system.library.5=com.google.firebase:firebase-messaging:17.5.0
    cordova.gradle.include.2=cordova-plugin-fcm-with-dependecy-updated/raihan-FCMPlugin.gradle
    cordova.gradle.include.3=cordova-support-google-services/raihan-build.gradle
    cordova.system.library.6=com.google.firebase:firebase-auth:16.2.0
    cordova.system.library.6=com.google.firebase:firebase-perf:16.2.4
    cordova.system.library.7=com.android.support:support-annotations:27.+
    cordova.system.library.8=com.android.support:appcompat-v7:23+
    cordova.system.library.8=com.google.firebase:firebase-iid:17.1.1
    cordova.system.library.8=com.google.android.gms:play-services-tagmanager:16.0.8
    cordova.system.library.8=com.google.firebase:firebase-config:16.4.0
    cordova.gradle.include.4=cordova-plugin-telerik-imagepicker/raihan-ignorelinterrors.gradle
    cordova.gradle.include.5=cordova-plugin-telerik-imagepicker/raihan-androidtarget.gradle
    cordova.gradle.include.6=cordova-android-support-gradle-release/raihan-cordova-android-support-gradle-release.gradle
    cordova.gradle.include.7=cordova-plugin-firebase/raihan-build.gradle

I have provided the above files, let me know if I need to upload anything else.

Answer

Top-Master picture Top-Master · Jun 24, 2019

Your project (or one of its sub-projects) is referring to a dependency using the + plus-sign at its end, like com.google.firebase:firebase-auth:+, which means, use any higher version when possible, and that newer version is no longer using android.support libraries and instead is using androidx; to fix this issue follow the below steps.

Steps:

  1. Ensure the ANDROID_HOME environment-variable is set, and then, open a console window (like git-bash, because it keeps the whole command output), and cd into your android directory (for Ionic projects it should be platforms/android).
  2. First, List all dependencies by running below (in git-bash): 
    ./gradlew :app:dependencies
  3. Copy the result into your preferred text-editor, and search for androidx.
  4. If you found something follow below steps, else you are done! (and you do not need to repeat these steps).
  5. Scroll up until you see -> at the end of any line, like for example 16.0.8 -> 19.0.0 or + -> 19.0.0, which both mean that the version was auto-resolved (to something higher than specified by you because of +).
  6. So, set the version down manually:
    • When possible, in your project find and replace the + sign with a specific version.
    • Or, force a specific version of the dependencies like mentioned below.
  7. At last, repeat above steps (but instead of step one just clear the console).

To Force specific version of the dependencies add to your root build.gradle something like below (which is what worked for me) but edit and add your own rules (if these do not work for you):

allprojects {
  // ...
  configurations.all {
    resolutionStrategy {
      force 'com.google.firebase:firebase-common:17.0.0'
      force 'com.google.android.gms:play-services-basement:16.2.0'
      force 'com.google.firebase:firebase-iid:16.0.0'
      force 'com.google.firebase:firebase-auth:17.0.0'
    }
  }
}

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