Я установил Android Studio 4.0. Добавлен плагин Flutter. Уже установлен Flutter. Доктор флаттера также показал, что все работает нормально.
> C:\Users\Alvin>flutter doctor
> Doctor summary (to see all details, run flutter doctor -v):
> [√] Flutter (Channel beta, 1.19.0-4.1.pre, on Microsoft Windows [Version 10.0.18363.900], locale en-US)
> [√] Android toolchain - develop for Android devices (Android SDK version 30.0.0)
> [√] Android Studio (version 4.0) [√] VS Code (version 1.45.1)
> [√] Connected device (1 available)
>
> • No issues found!
Но когда я открываю AVD Manager и запускаю AVD в эмуляторе. Еще у меня появилось всплывающее окно 
Но на самом деле adb уже установлен в C: \ Users \ Alvin \ AppData \ Local \ Android \ Sdk \ platform-tools . Поэтому я добавляю путь в переменную окружения PATH, чтобы включить этот каталог. И я могу вызвать adb из любого места в командной строке.
Но одно и то же сообщение «Невозможно найти adb по-прежнему появляется каждый раз, когда я запускаю AVD. мобильный, подключенный к USB, он работает на мобильном устройстве.
Из любопытства я пытаюсь выяснить, что на самом деле происходит. Я открыл файл журнала idea.log (открыть с помощью Help -> Show log in explorer). Я обнаружил, что система на самом деле пытается найти ANDROID_HOME и ANDROID_SDK_ ROOT. После того, как я их настроил, Android Studio, похоже, работает нормально, но есть сообщение, которое все еще раздражает .deployment.AsyncDevicesGetter - adb not found Несмотря на то, что это только ИНФОРМАЦИЯ, я подозреваю, что это та же проблема при запуске AVD Manager. Список журнала выглядит следующим образом:
2020-06-19 22:50:39,009 [ 0] INFO - #com.intellij.idea.Main - ------------------------------------------------------ IDE STARTED ------------------------------------------------------
2020-06-19 22:50:39,213 [ 204] INFO - #com.intellij.idea.Main - JNA library (64-bit) loaded in 154 ms
2020-06-19 22:50:39,610 [ 601] INFO - #com.intellij.idea.Main - IDE: Android Studio (build #AI-193.6911.18.40.6514223, 20 May 2020 22:07)
2020-06-19 22:50:39,610 [ 601] INFO - #com.intellij.idea.Main - OS: Windows 10 (10.0, amd64)
2020-06-19 22:50:39,610 [ 601] INFO - #com.intellij.idea.Main - JRE: 1.8.0_242-release-1644-b01 (JetBrains s.r.o)
2020-06-19 22:50:39,610 [ 601] INFO - #com.intellij.idea.Main - JVM: 25.242-b01 (OpenJDK 64-Bit Server VM)
2020-06-19 22:50:39,614 [ 605] INFO - #com.intellij.idea.Main - JVM Args: exit -Xms256m -Xmx1280m -XX:ReservedCodeCacheSize=240m -XX:+UseConcMarkSweepGC -XX:SoftRefLRUPolicyMSPerMB=50 -XX:CICompilerCount=2 -Dsun.io.useCanonPrefixCache=false -Djava.net.preferIPv4Stack=true -Djdk.http.auth.tunneling.disabledSchemes="" -Djdk.attach.allowAttachSelf=true -Dkotlinx.coroutines.debug=off -Djdk.module.illegalAccess.silent=true -Djna.nosys=true -Djna.boot.library.path= -Djb.vmOptionsFile=C:\Program Files\Android\Android Studio\bin\studio64.exe.vmoptions -Djava.library.path=C:\Program Files\Android\Android Studio\jre\jre\bin;C:\Program Files\Android\Android Studio\jre\jre\bin\server -Didea.platform.prefix=AndroidStudio -Didea.jre.check=true -Dide.native.launcher=true -Didea.paths.selector=AndroidStudio4.0 -XX:ErrorFile=C:\Users\Alvin\java_error_in_studio_%p.log -XX:HeapDumpPath=C:\Users\Alvin\java_error_in_studio.hprof
2020-06-19 22:50:39,618 [ 609] INFO - #com.intellij.idea.Main - ext: C:\Program Files\Android\Android Studio\jre\jre\lib\ext: [access-bridge-64.jar, cldrdata.jar, dnsns.jar, jaccess.jar, localedata.jar, meta-index, nashorn.jar, sunec.jar, sunjce_provider.jar, sunmscapi.jar, sunpkcs11.jar, zipfs.jar]
2020-06-19 22:50:39,618 [ 609] INFO - #com.intellij.idea.Main - charsets: JNU=Cp1252 file=Cp1252
2020-06-19 22:50:39,635 [ 626] INFO - ntellij.idea.ApplicationLoader - CPU cores: 4; ForkJoinPool.commonPool: java.util.concurrent.ForkJoinPool@c001ec7[Running, parallelism = 3, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]; factory: com.intellij.concurrency.IdeaForkJoinWorkerThreadFactory@d88ff34
2020-06-19 22:50:39,985 [ 976] INFO - penapi.util.io.win32.IdeaWin32 - Native filesystem for Windows is operational
2020-06-19 22:50:40,976 [ 1967] INFO - llij.ide.plugins.PluginManager - Plugin "Groovy" misses optional descriptor duplicates-groovy.xml
2020-06-19 22:50:40,978 [ 1969] INFO - llij.ide.plugins.PluginManager - Plugin "Groovy" misses optional descriptor duplicates-detection-groovy.xml
2020-06-19 22:50:41,360 [ 2351] INFO - llij.ide.plugins.PluginManager - Plugin "Java" misses optional descriptor profiler-java.xml
2020-06-19 22:50:41,532 [ 2523] INFO - llij.ide.plugins.PluginManager - Loaded bundled plugins: Android APK Support (1.0), Android Games (1.0), Android NDK Support (1.0), Android Support (10.4.0), App Links Assistant (0.1), ChangeReminder (193.6911.18.40.6514223), Compose (0.1.0-dev03), Configuration Script (193.6911.18.40.6514223), Copyright (193.6911.18.40.6514223), Coverage (193.6911.18.40.6514223), EditorConfig (193.6911.18.40.6514223), Firebase App Indexing (0.1), Firebase Services (0.1), Firebase Testing (1.0), Git (193.6911.18.40.6514223), GitHub (193.6911.18.40.6514223), Google Cloud Tools Core (0.2.8), Google Cloud Tools For Android Studio (0.2.8), Google Developers Samples (0.3.1), Google Login (1.0), Google Services (0.1), Gradle (193.6911.18.40.6514223), Gradle-Java (193.6911.18.40.6514223), Groovy (193.6911.18.40.6514223), IDEA CORE (193.6911.18.40.6514223), IntelliLang (193.6911.18.40.6514223), JUnit (193.6911.18.40.6514223), Java (193.6911.18.40.6514223), Java Bytecode Decompiler (193.6911.18.40.6514223), Java IDE Customization (193.6911.18.40.6514223), Java Internationalization (193.6911.18.40.6514223), Java Stream Debugger (193.6911.18.40.6514223), Kotlin (1.3.72-release-Studio4.0-1), Layoutlib Native (1.0), Layoutlib Standard (1.0), Mercurial (193.6911.18.40.6514223), Properties (193.6911.18.40.6514223), Settings Repository (193.6911.18.40.6514223), Shell Script (193.6911.18.40.6514223), Smali Support (193.6911.18.40.6514223), Subversion (193.6911.18.40.6514223), Task Management (193.6911.18.40.6514223), Terminal (193.6911.18.40.6514223), Test Recorder (1.0), TestNG (193.6911.18.40.6514223), TextMate bundles (193.6911.18.40.6514223), YAML (193.6911.18.40.6514223)
2020-06-19 22:50:41,532 [ 2523] INFO - llij.ide.plugins.PluginManager - Loaded custom plugins: Dart (193.7361), Flutter (46.0.2)
2020-06-19 22:50:43,023 [ 4014] INFO - ellij.util.io.PagedFileStorage - lower=100; upper=500; buffer=10; max=1226
2020-06-19 22:50:43,053 [ 4044] INFO - tellij.util.io.FileChannelUtil - interruptible FileChannel-s will be used for indexes
2020-06-19 22:50:43,295 [ 4286] INFO - rains.ide.BuiltInServerManager - built-in server started, port 63342
2020-06-19 22:50:43,425 [ 4416] INFO - til.net.ssl.CertificateManager - Default SSL context initialized
2020-06-19 22:50:43,444 [ 4435] INFO - pl.local.NativeFileWatcherImpl - Starting file watcher: C:\Program Files\Android\Android Studio\bin\fsnotifier64.exe
2020-06-19 22:50:43,529 [ 4520] INFO - pl.local.NativeFileWatcherImpl - Native file watcher is operational.
2020-06-19 22:50:43,558 [ 4549] INFO - com.intellij.ide.ui.UISettings - Loaded: fontSize=13, fontScale=1.0; restored: fontSize=13, fontScale=1.0
2020-06-19 22:50:43,597 [ 4588] INFO - gs.impl.UpdateCheckerComponent - channel: release
2020-06-19 22:50:44,105 [ 5096] WARN - nSystem.impl.ActionManagerImpl - keymap "ReSharper" not found [Plugin: com.android.tools.ndk]
2020-06-19 22:50:45,429 [ 6420] WARN - ins.android.sdk.AndroidSdkData - Observed package id 'platform-tools' in inconsistent location 'C:\Users\Alvin\AppData\Local\Android\Sdk\platform-tools.old' (Expected 'C:\Users\Alvin\AppData\Local\Android\Sdk\platform-tools')
2020-06-19 22:50:45,429 [ 6420] WARN - ins.android.sdk.AndroidSdkData - Already observed package id 'platform-tools' in 'C:\Users\Alvin\AppData\Local\Android\Sdk\platform-tools'. Skipping duplicate at 'C:\Users\Alvin\AppData\Local\Android\Sdk\platform-tools.old'
2020-06-19 22:50:45,650 [ 6641] INFO - pl$FileIndexDataInitialization - Initialization done: 1992
2020-06-19 22:50:46,465 [ 7456] INFO - exImpl$StubIndexInitialization - Initialization done: 799
2020-06-19 22:50:50,013 [ 11004] INFO - artup.AndroidStudioInitializer - Failed to disable 'org.intellij.plugins.intelliLang.inject.groovy.GrConcatenationInjector'
2020-06-19 22:50:50,175 [ 11166] INFO - j.ide.script.IdeStartupScripts - 0 startup script(s) found
2020-06-19 22:50:51,671 [ 12662] WARN - ugins.textmate.TextMateService - Missing builtin bundles, checked:
C:/Users/Alvin/.AndroidStudio4.0/config/plugins/textmate/lib/bundles
C:/Program Files/Android/Android Studio/plugins/textmate/lib/bundles
2020-06-19 22:50:51,712 [ 12703] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:50:52,412 [ 13403] INFO - lutter.run.daemon.DeviceDaemon - starting Flutter device daemon #1: C:/flutterSDK/flutter/bin/flutter.bat daemon
2020-06-19 22:50:52,420 [ 13411] INFO - #io.flutter.sdk.FlutterCommand - C:\flutterSDK\flutter\bin\flutter.bat [--no-color, config, --machine]
2020-06-19 22:50:52,441 [ 13432] INFO - #io.flutter.sdk.FlutterSdk - Calling config --machine
2020-06-19 22:50:53,707 [ 14698] INFO - .diagnostic.PerformanceWatcher - Pushing properties took 493ms; general responsiveness: ok; EDT responsiveness: ok
2020-06-19 22:50:53,804 [ 14795] WARN - com.intellij.util.xmlb.Binding - no accessors for class org.jetbrains.kotlin.idea.highlighter.KotlinDefaultHighlightingSettingsProvider
2020-06-19 22:50:54,741 [ 15732] INFO - .diagnostic.PerformanceWatcher - Indexable file iteration took 1032ms; general responsiveness: ok; EDT responsiveness: ok
2020-06-19 22:50:55,874 [ 16865] INFO - #com.jetbrains.cidr.lang - Clearing symbols finished in 588 ms
2020-06-19 22:50:56,113 [ 17104] INFO - #com.jetbrains.cidr.lang - Building symbols in FAST mode, 0 source files from total 0 project files
2020-06-19 22:50:56,597 [ 17588] INFO - ngd.lsp.ClangDaemonContextImpl - Using clangd from: C:\Program Files\Android\Android Studio\bin\clang\win\clangd.exe
2020-06-19 22:50:56,651 [ 17642] INFO - #com.jetbrains.cidr.lang - Loading symbols finished in 647 ms
2020-06-19 22:50:56,678 [ 17669] INFO - #com.jetbrains.cidr.lang - Loading Header Maps finished in 27 ms
2020-06-19 22:50:56,730 [ 17721] INFO - #io.flutter.sdk.FlutterCommand - C:\flutterSDK\flutter\bin\flutter.bat [--no-color, config, --machine]
2020-06-19 22:50:56,733 [ 17724] INFO - #io.flutter.sdk.FlutterSdk - Calling config --machine
2020-06-19 22:50:57,254 [ 18245] INFO - #com.jetbrains.cidr.lang - Loading Module Maps finished in 543 ms
2020-06-19 22:50:57,279 [ 18270] INFO - .diagnostic.PerformanceWatcher - Post-startup activities under progress took 5678ms; general responsiveness: 1/6 sluggish; EDT responsiveness: 3/5 sluggish
2020-06-19 22:50:57,282 [ 18273] INFO - #com.jetbrains.cidr.lang - Loaded 0 module maps in 0 packs for 0 search roots
2020-06-19 22:50:57,304 [ 18295] INFO - #com.jetbrains.cidr.lang - Saved 0 module maps in 0 packs
2020-06-19 22:50:57,326 [ 18317] INFO - #com.jetbrains.cidr.lang - Saving Module Maps finished in 23 ms
2020-06-19 22:50:57,326 [ 18317] INFO - #com.jetbrains.cidr.lang - Loaded 0 tables for 0 files (0 project files)
2020-06-19 22:50:57,327 [ 18318] INFO - #com.jetbrains.cidr.lang - Building symbols for 0 source files
2020-06-19 22:50:57,360 [ 18351] INFO - #com.jetbrains.cidr.lang - Updating Symbols finished in 24 ms
2020-06-19 22:50:57,363 [ 18354] INFO - #com.jetbrains.cidr.lang - Building symbols for 0 unused headers
2020-06-19 22:50:57,368 [ 18359] INFO - #com.jetbrains.cidr.lang - Updating Symbols finished in 5 ms
2020-06-19 22:50:57,368 [ 18359] INFO - #com.jetbrains.cidr.lang - Updating Symbols finished in 5 ms
2020-06-19 22:50:57,402 [ 18393] INFO - #com.jetbrains.cidr.lang - Saving modified symbols for 0 files (0 tables of total 0)
2020-06-19 22:50:57,414 [ 18405] INFO - #com.jetbrains.cidr.lang - Saving symbols finished in 12 ms
2020-06-19 22:50:57,446 [ 18437] INFO - #io.flutter.sdk.FlutterSdk - Timeout when calling flutter config --machine
2020-06-19 22:50:57,481 [ 18472] INFO - tartup.impl.StartupManagerImpl - C:/Projects/android/Flutter/first_flutter_app/.idea case-sensitivity: expected=false actual=false
2020-06-19 22:50:57,694 [ 18685] INFO - ge.ExternalProjectsDataStorage - Load external projects data in 8 millis (read time: 1)
2020-06-19 22:50:57,827 [ 18818] INFO - tor.impl.FileEditorManagerImpl - Project opening took 11239 ms
2020-06-19 22:50:57,872 [ 18863] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:50:58,214 [ 19205] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:50:58,909 [ 19900] INFO - CompilerWorkspaceConfiguration - Available processors: 4
2020-06-19 22:50:58,946 [ 19937] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:50:59,228 [ 20219] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:50:59,730 [ 20721] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:00,306 [ 21297] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:00,759 [ 21750] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:01,274 [ 22265] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:01,783 [ 22774] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:02,222 [ 23213] INFO - #io.flutter.sdk.FlutterSdk - Timeout when calling flutter config --machine
2020-06-19 22:51:02,288 [ 23279] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:02,789 [ 23780] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:03,640 [ 24631] INFO - j.ide.plugins.RepositoryHelper - using cached plugin list (updated at 6/19/2020 8:30 PM)
2020-06-19 22:51:06,694 [ 27685] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:07,458 [ 28449] INFO - j.ide.actions.RevealFileAction -
Exit code 1
2020-06-19 22:51:09,822 [ 30813] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:15,262 [ 36253] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:15,362 [ 36353] INFO - mponents.impl.stores.StoreUtil - saveProjectsAndApp took 1126 ms
2020-06-19 22:51:19,857 [ 40848] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:51:59,968 [ 80959] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:52:04,295 [ 85286] INFO - rationStore.ComponentStoreImpl - Saving appHttpConfigurable took 16 ms
2020-06-19 22:52:04,326 [ 85317] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:52:04,342 [ 85333] INFO - rationStore.ComponentStoreImpl - Saving Project (name=first_flutter_app, containerState=ACTIVE, componentStore=C:\Projects\android\Flutter\first_flutter_app) ProjectCodeStyleConfiguration took 16 ms
2020-06-19 22:56:13,286 [ 334277] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:13,786 [ 334777] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:14,301 [ 335292] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:14,817 [ 335808] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:15,332 [ 336323] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:17,379 [ 338370] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:19,925 [ 340916] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:20,956 [ 341947] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:21,472 [ 342463] INFO - .deployment.AsyncDevicesGetter - adb not found
2020-06-19 22:56:23,504 [ 344495] INFO - .deployment.AsyncDevicesGetter - adb not found
Есть ли какая-либо информация, которой можно поделиться о том, что я сталкиваюсь и как исправить? Дополнительная информация: adb версия: 30.0.3-6597393 java версия: 1.8.0_121