// publish for 64-bit problem workaround
    flavorDimensions 'arch'
    productFlavors {
        arm32 {
            dimension 'arch'
            ndk {
                abiFilters 'armeabi-v7a'
            }
            // separate version codes
            versionCode Integer.valueOf(localProperties['flutter.versionCode']) * 2
        }
        arm64 {
            dimension 'arch'
            ndk {
                abiFilters 'arm64-v8a'
            }
            versionCode Integer.valueOf(localProperties['flutter.versionCode']) * 2 + 1
        }
    }