Java 8 Stream API in Android N
问题 According to Google's introduction, starting with Android N, the Android API is supposed to support Java streams. However, using the Android N preview SDK, I am unable to use any of the Stream APIs in my project (which is configured with Android N as minimum, target and build SDK version). The java.util.stream package seems to be missing, as are the stream() methods of all collection implementations I've tried. Are the necessary classes not yet included in the current preview release of the