结合使用ConcurrentHashMap :: newKeySet和Android coreLibraryDesugaring

如何解决结合使用ConcurrentHashMap :: newKeySet和Android coreLibraryDesugaring

我正在尝试使用AGP中的新功能,但尝试在应用程序中使用position: absolute; left: 50px; top: 50px; 时出现以下错误:

ConcurrentHashMap.newKeySet()

我的10-23 21:17:49.471 5023-5023/uk.org.mattford.scoutlink E/AndroidRuntime: FATAL EXCEPTION: main Process: uk.org.mattford.scoutlink,PID: 5023 java.lang.NoSuchMethodError: No static method newKeySet()Lj$/util/concurrent/ConcurrentHashMap$KeySetView; in class Lj$/util/concurrent/ConcurrentHashMap; or its super classes (declaration of 'j$.util.concurrent.ConcurrentHashMap' appears in /data/app/uk.org.mattford.scoutlink-1/base.apk:classes3.dex) at org.pircbotx.hooks.managers.ThreadedListenerManager.<init>(ThreadedListenerManager.java:49) at org.pircbotx.Configuration$Builder.getListenerManager(Configuration.java:884) at org.pircbotx.Configuration$Builder.addListener(Configuration.java:726) at uk.org.mattford.scoutlink.irc.IRCService.connect(IRCService.java:143) at uk.org.mattford.scoutlink.irc.IRCService.onStartCommand(IRCService.java:67) at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2864) at android.app.ActivityThread.access$2100(ActivityThread.java:144) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1376) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) 最高级别中有以下内容

build.gradle

以及在我的模块buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:4.1.0' classpath 'com.google.gms:google-services:4.3.4' classpath 'com.google.firebase:firebase-crashlytics-gradle:2.3.0' } } allprojects { repositories { google() jcenter() maven { url 'https://oss.sonatype.org/content/repositories/snapshots' } } } 中:

build-gradle

查看APK分析器。我可以看到apply plugin: 'com.android.application' apply plugin: 'com.google.gms.google-services' apply plugin: 'com.google.firebase.crashlytics' android { compileSdkVersion 29 buildToolsVersion '29.0.3' defaultConfig { applicationId "uk.org.mattford.scoutlink" minSdkVersion 16 targetSdkVersion 29 multiDexEnabled true } buildTypes { release {} } packagingOptions { exclude 'META-INF/DEPENDENCIES' exclude 'META-INF/LICENSE' exclude 'META-INF/LICENSE.txt' exclude 'META-INF/license.txt' exclude 'META-INF/NOTICE' exclude 'META-INF/NOTICE.txt' exclude 'META-INF/notice.txt' exclude 'META-INF/ASL2.0' } compileOptions { coreLibraryDesugaringEnabled true sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } productFlavors { } buildFeatures { viewBinding = true } } dependencies { implementation 'org.slf4j:slf4j-android:1.7.30' implementation 'org.pircbotx:pircbotx:2.3-SNAPSHOT' implementation 'androidx.appcompat:appcompat:1.2.0' implementation 'com.google.firebase:firebase-analytics:17.6.0' implementation 'com.google.firebase:firebase-crashlytics:17.2.2' implementation 'com.google.android.material:material:1.2.1' implementation "androidx.room:room-runtime:2.2.5" implementation 'androidx.legacy:legacy-support-v4:1.0.0' implementation 'androidx.recyclerview:recyclerview:1.1.0' implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0' implementation "androidx.lifecycle:lifecycle-viewmodel:2.2.0" annotationProcessor "androidx.room:room-compiler:2.2.5" implementation 'androidx.multidex:multidex:2.0.1' coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10' } 是在j$.util.concurrent.ConcurrentHashMap中定义的,但不包括classes3.dex方法。但是newKeySet也已在j$.util.concurrent.ConcurrentHashMap中定义,并且确实具有此方法!

我要解决的classes4.dex调用是在pircbotx依赖项中。但是,我在我的应用程序的ConcurrentHashMap.newKeySet方法中对此方法进行了调用,这也使该应用程序崩溃。

在此先感谢您的帮助。我已经在这里待了几个小时了。

解决方法

事实证明这是D8中的“错误”,事实证明,尽管在文档(https://developer.android.com/studio/write/java8-support-table)中列出了以下3种方法,但实际上目前不支持它们。

已经提出了功能要求,但根据D8团队的说法,他们不太可能在本季度进行考察。 (此处是对该问题的完整讨论:https://issuetracker.google.com/171666278

public ConcurrentHashMap.KeySetView keySet(Object mappedValue)
public static ConcurrentHashMap.KeySetView newKeySet()
public static ConcurrentHashMap.KeySetView newKeySet(int initialCapacity)

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