Flutter Error when running: Exception: Gradle task assembleDebug failed with exit code 1

Question

I was trying to make a chat app using flutter and firebase, but then this error happens.

Here are all of the errors

   > There was a failure while executing work items
      > A failure occurred while executing com.android.build.gradle.internal.tasks.DexMergingWorkAction
         > com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: 
           The number of method references in a .dex file cannot exceed 64K.
           Learn how to resolve this issue at https://developer.android.com/tools/building/multidex.html

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BUILD FAILED in 41s
[!] App requires Multidex support
    Multidex support is required for your android app to build since the number of methods has exceeded 64k. See https://docs.flutter.dev/deployment/android#enabling-multidex-support for more information. You may pass the --no-multidex flag to skip Flutter's multidex support to use a manual solution.

    Flutter tool can add multidex support. The following file will be added by flutter:

        android/app/src/main/java/io/flutter/app/FlutterMultiDexApplication.java

cannot prompt without a terminal ui
Exception: Gradle task assembleDebug failed with exit code 1

Answer 1

In most cases, enough will do the first step How to enable multidex for flutter project.

Enable multidex.

1. Open [project_folder]/app/build.gradle and add following lines.

    defaultConfig {
        multiDexEnabled true
    }
   

and

dependencies {
    ...

    implementation 'androidx.multidex:multidex:2.0.1'
}

2. Enable Jetifier. Open [project_folder]/android/gradle.properties and add following lines.

   android.useAndroidX=true android.enableJetifier=true