Java 尝试加载ad mob中间ad时遇到依赖项错误

我在尝试实现Admob中间广告时遇到依赖性问题。 我得到以下错误，我不知道如何修复，请给我一些指导。 当我调用

interstitalad=interstitalad（activity）

时会发生这种情况。我尝试过清理项目、重建项目、使缓存无效并重新启动

日志

2020-10-13 12:02:35.773 30287-30287/smartherd.playlistariways E/AndroidRuntime: FATAL EXCEPTION: main
Process: smartherd.playlistariways, PID: 30287
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/internal/zzuw;
    at com.google.android.gms.internal.zzlx.<init>(Unknown Source:3)
    at com.google.android.gms.internal.zzlx.<init>(Unknown Source:3)
    at com.google.android.gms.ads.InterstitialAd.<init>(Unknown Source:5)
    at Fragments.TwoGetSongSongs.initall(TwoGetSongSongs.kt:77)
    at Fragments.TwoGetSongSongs.onCreateView(TwoGetSongSongs.kt:68)
    at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2600)
    at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:881)
    at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238)
    at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1303)
    at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:439)
    at androidx.fragment.app.FragmentManagerImpl.executeOps(FragmentManagerImpl.java:2079)
    at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1869)
    at an
        at android.app.ActivityThread.main(ActivityThread.java:7055)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:523)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:836)
     Caused by: java.lang.ClassNotFoundException: com.google.android.gms.internal.zzuw
        at java.lang.VMClassLoader.findLoadedClass(Native Method)
        at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
            ... 68 more
     Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/internal/zzuy;
            ... 68 more
     Caused by: java.lang.ClassNotFoundException: com.google.android.gms.internal.zzuy
        at java.lang.VMClassLoader.findLoadedClass(Native Method)
        at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
            ... 68 more
     Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/internal/zzev;
            ... 68 more
     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.internal.zzev" on path: DexPathList[[zip file "/data/app/smartherd.playlistariways-nNx4G8ON3R5fuPuRzOq-JA==/base.apk"],nativeLibraryDirectories=[/data/app/smartherd.playlistariways-nNx4G8ON3R5fuPuRzOq-JA==/lib/arm64, /system/lib64, /vendor/lib64]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:125)

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
    compileSdkVersion 29
    buildToolsVersion "29.0.2"
    defaultConfig {
        applicationId "smartherd.playlistariways"
        minSdkVersion 16
        targetSdkVersion 29
        multiDexEnabled true
        versionCode 3
        versionName "1.0.2"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/LICENSE.txt'
    }

    lintOptions {
        checkReleaseBuilds false
        // Or, if you prefer, you can continue to check for errors in release builds,
        // but continue the build even when errors are found:
        abortOnError false
    }

    dexOptions {
        javaMaxHeapSize "4g"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    configurations {
        implementation.exclude module:'gauva-jdk5'
        all*.exclude group: 'com.google.guava', module: 'listenablefuture'
    }
}
dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
    implementation 'androidx.recyclerview:recyclerview:1.1.0'
    implementation 'androidx.cardview:cardview:1.0.0'
    implementation 'androidx.appcompat:appcompat:1.1.0'
//These are Coroutines
implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.2.1"
implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.2.1"
//These are copied dependencies
implementation 'com.google.android.gms:play-services-maps:11.8.0'
implementation 'com.google.android.gms:play-services:11.8.0'
implementation 'com.google.android.gms:play-services-location:11.8.0'
//noinspection GradleCompatible
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
implementation 'androidx.multidex:multidex:2.0.1'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'com.google.firebase:firebase-core:11.8.0'
implementation 'com.google.firebase:firebase-firestore:11.8.0'
implementation 'com.google.firebase:firebase-database:11.8.0'
implementation 'com.google.firebase:firebase-auth:11.8.0'
implementation 'com.google.firebase:firebase-messaging:11.8.0'
implementation 'com.google.firebase:firebase-ads:11.8.0'
implementation 'com.google.firebase:firebase-storage:11.8.0'
//implementation 'com.paypal.sdk:paypal-android-sdk:2.15.3'
implementation 'com.google.android.material:material:1.0.0'

// FirebaseUI for Cloud Firestore
implementation 'com.firebaseui:firebase-ui-firestore:6.2.1'

// FirebaseUI for Firebase Auth
implementation 'com.firebaseui:firebase-ui-auth:6.2.1'
// FirebaseUI for Cloud Firestore
implementation 'com.firebaseui:firebase-ui-auth:4.0.0'
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.0.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
implementation 'com.google.maps.android:android-maps-utils:0.5+'
// implementation 'com.github.mmstq:Gif-ProgressBar-Android:1.0'
//noinspection GradleCompatible
implementation 'androidx.cardview:cardview:1.0.0'
// Cardview is necessary. Neglect if already have.
//implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.10'
//Cat loading library
implementation 'com.github.tibolte:elasticdownload:1.0.+'
implementation 'com.google.firebase:firebase-firestore:11.8.0'
implementation 'androidx.recyclerview:recyclerview:1.0.0'

implementation 'pub.devrel:easypermissions:0..0'
implementation('com.google.api-client:google-api-client-android:1.22.0') {
    exclude group: 'org.apache.httpcomponents'
    exclude group:'com.google.guava'
}
implementation('com.google.apis:google-api-services-youtube:v3-rev183-1.22.0') {
    exclude group: 'org.apache.httpcomponents'
    exclude group:'com.google.guava'
}

implementation 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-

guava'
    implementation 'com.google.guava:guava:26.0-android'

}

// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'