Fix error on compile time "The number of method references in a .dex file cannot exceed 64K." in Flutter project

build.gradle

// android/app/build.gradle

android {

    //...

    defaultConfig {
        //...
        multiDexEnabled true
    }

    //...
}


dependencies {
    //...
    implementation 'com.android.support:multidex:1.0.3'
}