Add a keep rule for AndroidDispatcherFactory for R8 version > 1.6.0 (#2154)

OscarSpruit · web-flow · commit 3cc9b94f8f9c · 2020-07-21T19:05:00.000+03:00
In commit #3a8a0ea this keep rule was removed from kotlinx-coroutines-core (which is good), but
this caused AndroidDispatcherFactory to be minimized in newer R8 versions. Adding a rule explicitly
fixes the problem.
diff --git a/ui/kotlinx-coroutines-android/resources/META-INF/com.android.tools/r8-from-1.6.0/coroutines.pro b/ui/kotlinx-coroutines-android/resources/META-INF/com.android.tools/r8-from-1.6.0/coroutines.pro
@@ -9,6 +9,8 @@
     boolean ANDROID_DETECTED return true;
 }
 
+-keep class kotlinx.coroutines.android.AndroidDispatcherFactory {*;}
+
 # Disable support for "Missing Main Dispatcher", since we always have Android main dispatcher
 -assumenosideeffects class kotlinx.coroutines.internal.MainDispatchersKt {
     boolean SUPPORT_MISSING return false;

Original file line number	Diff line number	Diff line change
`@@ -9,6 +9,8 @@`
`9`	`9`	`boolean ANDROID_DETECTED return true;`
`10`	`10`	`}`
`11`	`11`
	`12`	`+-keep class kotlinx.coroutines.android.AndroidDispatcherFactory {*;}`
	`13`	`+`
`12`	`14`	`# Disable support for "Missing Main Dispatcher", since we always have Android main dispatcher`
`13`	`15`	`-assumenosideeffects class kotlinx.coroutines.internal.MainDispatchersKt {`
`14`	`16`	`boolean SUPPORT_MISSING return false;`