I try to import jna.jar into my project since JNA is a very useful tool to call Native library which is base on JNI.
OS: Windows 10
IDE: And
For Android, reference the JNA library adding @aar at the end of the string instead of downloading the JNA jar:
https://github.com/java-native-access/jna/blob/master/www/FrequentlyAskedQuestions.md#jna-on-android