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ca...@google.com
ca...@google.com
Thank you for the nice reproduction. The problem is in the library that defines a service loader implementation file incorrectly. The file META-INF/services/org.xmlpull.v1.XmlPullParserFactory contains:
org.kxml2.io.KXmlParser,org.kxml2.io.KXmlSerializer
The spec clearly states that it should be one per line:
A service provider is identified by placing a provider-configuration file in the resource directory META-INF/services. The file's name is the fully-qualified binary name of the service's type. The file contains a list of fully-qualified binary names of concrete provider classes, one per line...
R8 also gives a warning regarding that:
Warning in /usr/local/google/home/mkroghj/dumps/b279996549/dump/program.jar:META-INF/services/org.xmlpull.v1.XmlPullParserFactory:
Unexpected reference to missing service implementation class in META-INF/services/org.xmlpull.v1.XmlPullParserFactory: org.kxml2.io.KXmlParser,org.kxml2.io.KXmlSerializer.
The reason the context is FastServiceLoader.load is because that is where we enqueue the potential services that can be loaded. I guess this could try and figure out the concrete types that could be loaded instead of all types, but that is difficult since the method takes a class as argument.
R8 will read the type in the implementation as a type with name org.kxml2.io.KXmlParser,org.kxml2.io.KXmlSerializer. You therefore, in principle, need to write -dontwarn org.kxml2.io.KXmlParser,org.kxml2.io.KXmlSerializer. Now the problem here is that -dontwarn takes a list of classes as argument, so we parse that into something similar to:
-dontwarn org.kxml2.io.KXmlParser
-dontwarn org.kxml2.io.KXmlSerializer
The only thing you can write is a prefix, so you could do -dontwarn org.kxml2.io.KXml* and that will silence the compiler and succeed.
Regarding the library, I checked if the error was still present, but the service file was corrected over 3 years ago:
You could see if an update of the library you are using is available or use the -dontwarn pattern above. Will be marking this as WAI.
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What would you like us to add to this API?
I would like to be able to change the rate of speed that the mapView.animate(with: GMSCameraUpdate.setTarget(.....)) function moves. I'm not aware of any documentation that shows how to do this.
Explain your use case for that feature:
This feature would be highly useful for customizing my implementation of the google maps api. Currently the speed of the animate function is too fast for my app purposes. Instead of tediously manually animating the change to control the speed, the api could incorporate this function.