firebase - Flutter:Java 使用或覆盖已弃用的 API

Question

我一直在尝试在 Android/IOS flutter 应用程序中使用 auth、firestore firebase，在测试了几个不同的版本后，遇到了许多不同的问题。现在它在构建日志中向我显示了几条消息。

构建日志

Note: D:\Flutter\SDK\flutter.pub-cache\hosted\pub.dartlang.org\firebase_core-0.4.3+1\android\src\main\java\io\flutter\plugins\firebase\core\FirebaseCorePlugin.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for details. Note: D:\Flutter\SDK\flutter.pub-cache\hosted\pub.dartlang.org\cloud_firestore-0.13.0+1\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: 81454 > 65536) 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 at com.android.builder.dexing.D8DexArchiveMerger.getExceptionToRethrow(D8DexArchiveMerger.java:131) at com.android.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:118) at com.android.build.gradle.internal.transforms.DexMergerTransformCallable.call(DexMergerTransformCallable.java:102) at com.android.build.gradle.internal.tasks.DexMergingTaskRunnable.run(DexMergingTask.kt:444) at com.android.build.gradle.internal.tasks.Workers$ActionFacade.run(Workers.kt:335) at org.gradle.workers.internal.AdapterWorkAction.execute(AdapterWorkAction.java:50) at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:47) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1$1.create(NoIsolationWorkerFactory.java:65)

    at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1$1.create(NoIsolationWorkerFactory.java:61)

    at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:98)
    at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.execute(NoIsolationWorkerFactory.java:61)
    at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44)
    at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
    at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
    at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
    at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41)
    at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:56)

    at org.gradle.workers.internal.DefaultWorkerExecutor$3.call(DefaultWorkerExecutor.java:215)
    at org.gradle.workers.internal.DefaultWorkerExecutor$3.call(DefaultWorkerExecutor.java:210)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:215)
    at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:164)
    at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:131)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)

    at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
    at java.lang.Thread.run(Thread.java:748) Caused by: com.android.tools.r8.CompilationFailedException: Compilation failed to

complete at com.android.tools.r8.utils.t.a(:55) at com.android.tools.r8.D8.run(:11) at com.android.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:116) ... 34 more Caused by: com.android.tools.r8.utils.AbortException: Error: null, Cannot fit requested classes in a single dex file (# methods: 81454 > 65536) at com.android.tools.r8.utils.Reporter.a(:21) at com.android.tools.r8.utils.Reporter.a(:7) at com.android.tools.r8.dex.VirtualFile.a(:33) at com.android.tools.r8.dex.VirtualFile$h.a(:5) at com.android.tools.r8.dex.ApplicationWriter.a(:13) at com.android.tools.r8.dex.ApplicationWriter.write(:35) at com.android.tools.r8.D8.d(:44) at com.android.tools.r8.D8.b(:1) at com.android.tools.r8.utils.t.a(:23) ... 36 more

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':app:mergeDexDebug'.

  A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade 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

• 尝试:使用 --stacktrace 选项运行以获取堆栈跟踪。使用 --info 或 --debug 选项运行以获得更多日志输出。使用 --scan 运行以获得完整的见解。

• 获取更多帮助:https://help.gradle.org

4m 33s 内构建失败

flutter 医生-v

[√] Flutter (Channel stable, v1.12.13+hotfix.5, on Microsoft Windows [Version 10.0.18362.535], locale en-IN)

• • Flutter 版本 1.12.13+hotfix.5，位于 D:\Flutter\SDK\flutter

  • Framework revision 27321ebbad (3 weeks ago), 2019-12-10 18:15:01 -0800
  • Engine revision 2994f7e1e6
  • Dart version 2.7.0
  

[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)

• • Android SDK 位于 C:\Users\admin\AppData\Local\Android\sdk

  • Android NDK location not configured (optional; useful for native profiling support)
  • Platform android-29, build-tools 29.0.2
  • Java binary at: D:\Android SDK\jre\bin\java
  • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
  • All Android licenses accepted.
  

[√] Android Studio (version 3.5)

• • Android Studio 位于 D:\Android SDK

  • Flutter plugin version 41.1.2
  • Dart plugin version 191.8593
  • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
  

公共(public)规范

dependencies:
  flutter:
    sdk: flutter
  firebase_auth: ^0.15.3
  cloud_firestore: ^0.13.0+1

build.gradle(android)

dependencies {
        classpath 'com.android.tools.build:gradle:3.5.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.google.gms:google-services:4.3.0'
    }

Answer 1

您需要使用以下插件:

dependencies:
  firebase_auth: ^0.15.3
  cloud_firestore: ^0.13.0+1

不要忘记配置 firebase:

https://pub.dev/packages/cloud_firestore#setup

https://pub.dev/packages/firebase_auth#usage

还在您的 app/build.gradle 中，增加 minSdkVersion:

更改此:

minSdkVersion 16

进入此:

minSdkVersion 23