Enable multidex

app/build.gradle

@@ -10,6 +10,16 @@ android {
         targetSdkVersion 29
         versionCode 65
         versionName '6.4'
+        multiDexEnabled true
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    packagingOptions {
+        exclude 'META-INF/DEPENDENCIES'
     }
 
     lintOptions {
@@ -37,6 +47,7 @@ android {
 
 dependencies {
     implementation 'com.google.android.material:material:1.3.0-alpha02'
+    implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'androidx.preference:preference:1.1.1'
     testImplementation 'junit:junit:4.13'
     testImplementation 'org.robolectric:robolectric:4.1'