The way to repair "Did not load AppCompat ActionBar with unknown error" in Android Studio 3.1.3
Did not load AppCompat ActionBar with unknown error. Android Studio 3.1.3 com.android.assist:appcompat-v7:28.0.0-alpha3 source
Read MoreDid not load AppCompat ActionBar with unknown error. Android Studio 3.1.3 com.android.assist:appcompat-v7:28.0.0-alpha3 source
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