当我尝试ro run：flutter run
时，我在android build中遇到此错误D8：程序类型已存在：android.support.v4.os.ResultReceiver $ MyResultReceiver
失败：构建失败，并出现异常。
com.android.builder.dexing.DexArchiveMergerException：合并dex归档文件时出错：/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/2.jar，/ Users / rauleburro /Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/3.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/4.jar， /Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/5.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/ 6.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 7.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 8.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 9.jar，/ Users / rauleburro / Develop / Bel lbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 10.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 11.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 12.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 13.jar ，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/14.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug /15.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/16.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms /dexBuilder/debug/17.jar、/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/18.jar、/Users/rauleburro/Develop/Bell bird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 19.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 20.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 21.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 22.jar ，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/23.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug /24.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/25.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms /dexBuilder/debug/26.jar、/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/27.jar、/Users/rauleburro/Develop/Bellb ird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 28.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 29.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 30.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 31.jar ，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/32.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug /33.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/34.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms /dexBuilder/debug/35.jar、/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/36.jar、/Users/rauleburro/Develop/Bellbi rd / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 37.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 38.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 39.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 40.jar ，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/41.jar，/ Users / rauleburro / Develop / Bellbird / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug /42.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/43.jar，/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms /dexBuilder/debug/44.jar、/Users/rauleburro/Develop/Bellbird/aseguradora_app/build/app/intermediates/transforms/dexBuilder/debug/45.jar、/Users/rauleburro/Develop/Bellbir d / aseguradora_app / build / app / intermediates / transforms / dexBuilder / debug / 46.jar 在https://developer.android.com/studio/build/dependencies#duplicate_classes了解如何解决该问题。 程序类型已经存在：android.support.v4.os.ResultReceiver $ MyResultReceiver
在7秒内失败