当我在pubspec.yaml中添加“ cloud_firestore：”时，会出现此错误：
$ flutter run
Launching lib/main.dart on Infinix X627 in debug mode...
Initializing gradle... 1.6s
Resolving dependencies... 5.4s
Note: /home/muhammad/development/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-0.12.11/android/src/main/java/io/flutter/plugins/firebase/cloudfirestore/CloudFirestorePlugin.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: /home/muhammad/development/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-0.12.11/android/src/main/java/io/flutter/plugins/firebase/cloudfirestore/CloudFirestorePlugin.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
D8: Cannot fit requested classes in a single dex file (# methods: 80689 > 65536)
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/0.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/1.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/4.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/5.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/6.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/7.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/8.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/9.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/10.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/11.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/12.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/13.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/14.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/15.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/16.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/17.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/18.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/19.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/20.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/21.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/22.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/23.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/24.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/25.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/26.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/27.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/28.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/29.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/30.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/31.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/32.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/33.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/34.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/35.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/36.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/37.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/38.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/39.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/40.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/41.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/42.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/43.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/44.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/45.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/46.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/47.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/48.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/49.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/50.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/51.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/52.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/53.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/54.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/55.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/56.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/57.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/58.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/59.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/60.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/62.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/63.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/64.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/65.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/66.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/67.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/68.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/69.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/72.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/73.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/74.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/75.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/76.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/77.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/78.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/79.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/80.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/81.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/82.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/83.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/84.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/85.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/86.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/87.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/88.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/89.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/90.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/91.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/92.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/93.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/94.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/95.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/96.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/97.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/98.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/99.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/100.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/101.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/102.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/103.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/104.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/105.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/107.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/108.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/109.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/110.jar, /home/muhammad/Documents/lab/flutter/teststore/build/app/intermediates/transforms/dexBuilder/debug/111.jar
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
* 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 1m 36s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 96.8s
Gradle task assembleDebug failed with exit code 1
（我是flutter和android开发的新手）
答案 0 :(得分：2)
由于cloud_firestore是一个相当大的依赖项，因此您需要启用multidex。
查看this，将您的应用配置为支持multidex。
如果您不想这样做，只需将minSdkVersion中的build.gradle设置为21或更高。但是，这样做确实可以确保您的应用不支持5.1以下的设备。
根据您要支持的用户数量，建议您仅升级您的minSdkVersion，因为这是最简单的方法。但是，这取决于您。