D8: Cannot fit requested classes in a single dex file (# methods: 68032 > 65536) com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: The number of method references in a .dex file cannot exceed 64K. code example

Example 1: D8: Cannot fit requested classes in a single dex file (# methods: 85258 > 65536)

dependencies {
    ...

    implementation 'androidx.multidex:multidex:2.0.1'
}

Example 2: Cannot fit requested classes in a single dex file (# methods: 65710 > 65536)

android {
    defaultConfig {
        ...
        minSdkVersion 21 <----- *here
        targetSdkVersion 26
        multiDexEnabled true <------ *here
    }
    ...
}

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